Loganathan Ponnusamy
Also known as: Logu Ponnusamy
Microbial Ecology, Arthropod-Microbe Interactions
Works (52)
Updated: April 15th, 2024 04:56
2024 journal article
Microbiome of Invasive Tick Species Haemaphysalis Longicornis in North Carolina, USA
INSECTS, 15(3).
author keywords: Haemaphysalis longicornis; developmental stage; microbiome; 16S rRNA; Coxiella spp.
TL;DR:
The microbiomes of Haemaphysalis longicornis are surveyed at different life stages collected from field populations in North Carolina, USA, revealing important associations between life stages and their bacterial community and providing important insights to guide future research.
(via Semantic Scholar)
www.mdpi.com (publisher PDF)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 1, 2024
2023 journal article
Detection of Orientia spp. Bacteria in Field-Collected Free-Living Eutrombicula Chigger Mites, United States
EMERGING INFECTIOUS DISEASES, 29(8), 1676–1679.
TL;DR:
The molecular detection of Orientia species in free-living Eutrombicula chiggers collected in an area in North Carolina, USA, to which spotted fever group rickettsiae infections are endemic is reported.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 11, 2023
2023 journal article
Rickettsia amblyommatis in Ticks: A Review of Distribution, Pathogenicity, and Diversity
Microorganisms.
TL;DR:
The goal of this review was to compile the known literature on R. amblyommatis, review what the authors know about its geographic distribution, tick vectors, and pathogenicity, assess relatedness between various international strains from ticks by phylogenetic analysis and draw conclusions regarding future research needed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: February 21, 2023
2022 article
Analyses of Bloodmeal Hosts and Prevalence of Rickettsia parkeri in the Gulf Coast Tick Amblyomma maculatum (Acari: Ixodidae) From a Reconstructed Piedmont Prairie Ecosystem, North Carolina
Johnson, C. R., Ponnusamy, L., Richards, A. L., & Apperson, C. S. (2022, April 30). (K. Macaluso, Ed.). JOURNAL OF MEDICAL ENTOMOLOGY, Vol. 4.
Ed(s): K. Macaluso
author keywords: tick; Amblyomma maculatum; host bloodmeal identification; PCR-reverse line blot hybridization assay; Rickettsia parkeri
MeSH headings : Amblyomma / microbiology; Animals; Grassland; Larva; Male; North Carolina / epidemiology; Nymph; Prevalence; Rickettsia / genetics; Rickettsia / isolation & purification; Rickettsia Infections / microbiology; Rickettsia Infections / transmission; Rickettsia Infections / veterinary; Sigmodontinae / blood; Sigmodontinae / microbiology; Sigmodontinae / parasitology
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 16, 2022
2022 journal article
Bacterial Isolates Derived from Nest Soil Affect the Attraction and Digging Behavior of Workers of the Red Imported Fire Ant, Solenopsis invicta Buren
INSECTS, 13(5).
author keywords: Solenopsis invicta; bacterial isolates; behavioral responses; digging behavior
TL;DR:
The research results indicate that soil bacteria may mediate ant nest expansion or relocation and foraging tunnel construction and identification of bacterial metabolites that affect RIFA digging behavior merits additional research.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 9, 2022
2022 review
Biology, Systematics, Microbiome, Pathogen Transmission and Control of Chiggers (Acari: Trombiculidae, Leeuwenhoekiidae) with Emphasis on the United States
[Review of ]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, 19(22).
author keywords: chiggers; biology; systematics; microbiome; pathogen transmission; control
MeSH headings : Animals; Humans; Trombiculidae / microbiology; Scrub Typhus / epidemiology; Orientia tsutsugamushi; Acari; Microbiota; Biology
TL;DR:
The role of chiggers in disease transmission in the US is especially understudied, and the role of endosymbionts in Orientia infection are suggested in the scientific literature but not confirmed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 22, 2022
2022 journal article
Characterization of Long Non-Coding RNAs in the Bollworm, Helicoverpa zea, and Their Possible Role in Cry1Ac-Resistance
INSECTS, 13(1).
author keywords: long non-coding RNAs; Helicoverpa zea; Bt-resistance; Cry1Ac resistance; RNA-seq; lncRNA; bollworms; gene regulation
TL;DR:
Characterization of non-coding genetic mechanisms in Helicoverpa zea will improve the understanding of the genomic evolution of insect resistance, improve the identification of specific regulators of coding genes in general, and is the first step for potentially targeting these regulators for pest control and resistance management.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 27, 2021
2022 journal article
Impact of Caterpillar Increased Feeding Rates on Reduction of Bt Susceptibility
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23(23).
author keywords: tobacco budworm; bollworm; fall armyworm; cotton; Bacillus thuringiensis; MVPII; Cry1Ac; Cry2Ab2; behavioral resistance; increased feeding
MeSH headings : Animals; Hemolysin Proteins / genetics; Hemolysin Proteins / pharmacology; Hemolysin Proteins / metabolism; Endotoxins / genetics; Endotoxins / metabolism; Pest Control, Biological; Plants, Genetically Modified / genetics; Plants, Genetically Modified / metabolism; Bacterial Proteins / genetics; Bacterial Proteins / metabolism; Bacillus thuringiensis Toxins; Moths / genetics; Bacillus thuringiensis / genetics; Bacillus thuringiensis / metabolism; Insecticide Resistance / genetics; Gossypium / metabolism; Larva / metabolism
TL;DR:
The hypothesis that increased feeding rate is a behavioral mechanism for reducing caterpillar susceptibility to Bt is supported and the literature reviewed support the hypothesis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
3. Good Health and Well-being
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 3, 2022
2022 journal article
Internal and external microbiota of home-caught Anopheles coluzzii (Diptera: Culicidae) from Cote d'Ivoire, Africa: Mosquitoes are filthy
PLOS ONE, 17(12).
Ed(s): O. Terenius
MeSH headings : Animals; Humans; Anopheles / genetics; RNA, Ribosomal, 16S / genetics; Cote d'Ivoire; Malaria; Bacteria / genetics; Microbiota / genetics; Mosquito Vectors
TL;DR:
The bacterial community of the external surface and internal body of female Anopheles coluzzii adults collected from homes in Côte d’Ivoire, Africa, is examined by Illumina sequencing of the V3 to V4 region of 16S rRNA gene.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 27, 2023
2022 journal article
Mechanical Acaricides Active against the Blacklegged Tick, Ixodes scapularis
INSECTS, 13(8).
TL;DR:
It is discovered that volcanic glass, ImergardTM WP, and other industrial minerals such as Celite 610 were efficacious mechanical insecticides against mosquitoes, filth flies, and agricultural pests.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 31, 2022
2022 journal article
Rickettsia felis and Other Rickettsia Species in Chigger Mites Collected from Wild Rodents in North Carolina, USA
MICROORGANISMS, 10(7).
author keywords: Rickettsia; chigger mites; North Carolina
TL;DR:
The first evidence of Rickettsia infection in chiggers collected from rodents within the continental USA is provided, suggesting chigger bites could pose a risk to public health, warranting further study.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 7, 2022
2021 journal article
Bacterial Microbiota of Field-Collected Helicoverpa zea (Lepidoptera: Noctuidae) from Transgenic Bt and Non-Bt Cotton
MICROORGANISMS, 9(4).
author keywords: Helicoverpa zea; cotton; Bt; resistance; tolerance; microbiota
TL;DR:
It is found that WideStrike samples had a higher bacterial density and diversity per larva than insects collected from non-Bt cotton over two field seasons, and argues for more research to better understand the role of cotton–bollworm–bacteria interactions and the impact on Bt toxin caterpillar susceptibility.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 25, 2021
2021 article
Colonization by the Red Imported Fire Ant, Solenopsis invicta, Modifies Soil Bacterial Communities
Travanty, N. V., Vargo, E. L., Apperson, C. S., & Ponnusamy, L. (2021, August 9). MICROBIAL ECOLOGY, Vol. 8.
author keywords: Solenopsis invicta; Bacterial community; 16S rDNA; Soil microbiome
MeSH headings : Animals; Ants / microbiology; Bacteria / genetics; Ecosystem; RNA, Ribosomal, 16S / genetics; Soil
TL;DR:
The results showed the bacterial community structure of RIFA-colonized soils to be significantly different from native soil communities and to evidence elevated abundances of several taxa, including Actinobacteria.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science; OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 23, 2021
2021 journal article
Oviposition-Site Selection of Phlebotomus papatasi (Diptera: Psychodidae) Sand Flies: Attraction to Bacterial Isolates From an Attractive Rearing Medium
JOURNAL OF MEDICAL ENTOMOLOGY, 58(2), 518–527.
Ed(s): R. Johnson
author keywords: Phlebotomus papatasi; sand flies; leishmaniasis; dose-response bioassay; semiochemical
MeSH headings : Animals; Appetitive Behavior / drug effects; Bacteria / chemistry; Bacteria / isolation & purification; Culture Media; Female; Microbiota; Oviposition; Phlebotomus; Volatile Organic Compounds / pharmacology
TL;DR:
This study confirms the important role of saprophytic bacteria, gut bacteria, or both, in guiding the oviposition-site selection behavior of sand flies and identifies the specific attractive semiochemical cues that they produce that could lead to development of an attractive lure for surveillance and control ofSand flies.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 6, 2020
2021 journal article
Sphingobacterium phlebotomi sp. nov., a new member of family Sphingobacteriaceae isolated from sand fly rearing substrate
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 71(5).
Contributors: M. Kakumanu n, B. Marayati*, A. Wada-Katsumata n , G. Wasserberg*, C. Schal n , C. Apperson n, n
author keywords: 16S rRNA gene; Polyphasic analysis; Sphingobacterium phlebotomi sp. nov.
MeSH headings : Animals; Bacterial Typing Techniques; Base Composition; DNA, Bacterial / genetics; Fatty Acids / chemistry; Fatty Acids / metabolism; Phlebotomus / microbiology; Phosphatidylethanolamines / metabolism; Phylogeny; RNA, Ribosomal, 16S / genetics; Sequence Analysis, DNA; Sphingobacterium / classification; Sphingobacterium / genetics; Sphingobacterium / isolation & purification; Sphingobacterium / metabolism
TL;DR:
On the basis of the results of this polyphasic taxonomic analysis, the bacterial isolate represents a novel species within the genus Sphingobacterium, for which the name SphingOBacterium phlebotomi sp.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 7, 2021
2021 journal article
Tick Ecdysteroid Hormone, Global Microbiota/Rickettsia Signaling in the Ovary versus Carcass during Vitellogenesis in Part-Fed (Virgin) American Dog Ticks, Dermacentor variabilis
MICROORGANISMS, 9(6).
author keywords: Dermacentor variabilis; ecdysteroid; Rickettsia sp; Francisella sp; qPCR; microbiota
TL;DR:
Injections of physiological levels of the tick hormone, 20-hydroxyecdysone (20E), into part-fed (virgin) adult females of the American dog tick, Dermacentor variabilis, attached to the host caused a reduction in density of Rickettsia montanensis in the carcass and an increase in the ovaries compared to buffer-injected controls.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 16, 2021
2020 journal article
Multiple Known Mechanisms and a Possible Role of an Enhanced Immune System in Bt-Resistance in a Field Population of the Bollworm, Helicoverpa zea: Differences in Gene Expression with RNAseq
International Journal of Molecular Sciences, 21(18), 6528.
author keywords: Helicoverpa zea; bollworm; Bt-resistance; insect immunity; Cry1Ac resistance
MeSH headings : Animals; Bacillus thuringiensis / genetics; Bacillus thuringiensis Toxins / genetics; Bacillus thuringiensis Toxins / pharmacology; Bacterial Proteins / metabolism; Cadherins / metabolism; Crops, Agricultural / genetics; Endotoxins / genetics; Endotoxins / pharmacology; Gene Expression / drug effects; Hemolysin Proteins / genetics; Hemolysin Proteins / pharmacology; Immune System / metabolism; Insecticide Resistance / genetics; Insecticides / pharmacology; Larva / genetics; Larva / metabolism; Moths / genetics; Peptide Hydrolases / metabolism; Pest Control, Biological
TL;DR:
It is suggested that multiple mechanisms are involved in the development of Bt-resistance, including potentially unrecognized pathways, and expected gene expression differences based on current understanding of the Bt mode of action are found.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: September 12, 2020
2019 journal article
A Diverse Microbial Community Supports Larval Development and Survivorship of the Asian Tiger Mosquito (Diptera: Culicidae)
JOURNAL OF MEDICAL ENTOMOLOGY, 56(3), 632–640.
author keywords: Quercus alba; mosquito; microcosms; transstadial transmission; microbial communities
MeSH headings : Aedes / growth & development; Aedes / microbiology; Animals; Bacteria / classification; Bacteria / isolation & purification; Female; Larva / growth & development; Larva / microbiology; Longevity; Male; Microbiota; Pupa / growth & development; Pupa / microbiology
TL;DR:
High larval survivorship in positive control microcosms suggests that a diverse microbial community is required to complete larval development, and additional studies are needed to evaluate larval growth and survivorship on nonbacterial microbes, such as fungi and protozoa.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: ORCID, Web Of Science
Added: September 16, 2019
2019 journal article
Diel periodicity and visual cues guide oviposition behavior in Phlebotomus papatasi, vector of old-world cutaneous leishmaniasis
PLOS Neglected Tropical Diseases, 13(3), e0007165.
Ed(s): F. Oliveira
MeSH headings : Animals; Circadian Clocks; Color; Female; Humans; Insect Control; Insect Vectors / anatomy & histology; Insect Vectors / physiology; Leishmaniasis / transmission; Oviposition; Phlebotomus / anatomy & histology; Phlebotomus / physiology; Photoperiod; Sex Attractants
TL;DR:
It is shown, for the first time, that visual cues in the form of oviposition-site color, lighting level, and photoperiod are important in guiding the Oviposition behavior of phlebotomine sand flies.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: April 29, 2019
2019 journal article
Diversity and structure of the bacterial microbiome of the American dog tick, Dermacentor variabilis, is dominated by the endosymbiont Francisella
SYMBIOSIS, 79(3), 239–250.
author keywords: Dermacentor variabilis; American dog tick; Microbiome; 16S rDNA; QIIME 2 analysis; Francisella endosymbiont
TL;DR:
The high-throughput amplicon sequencing of the 16S rRNA gene revealed that most Francisella were similar to Francisella-like endosymbionts of D. variabilis, which sets the foundation for further studies to determine the influence of microbiota on vector susceptibility to pathogens.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: February 27, 2020
2019 journal article
Exogenous and endogenous microbiomes of wild-caught Phormia regina (Diptera: Calliphoridae) flies from a suburban farm by 16S rRNA gene sequencing
SCIENTIFIC REPORTS, 9.
MeSH headings : Animals; Biodiversity; Diptera / microbiology; Farms; High-Throughput Nucleotide Sequencing; Humans; Metabolome; Metabolomics / methods; Microbiota; Phylogeny; RNA, Ribosomal, 16S
TL;DR:
A snapshot of the microbial communities harbored by adult black blow flies is provided and calls for more comprehensive studies to better characterize the role these flies may play in the transmission of pathogenic microorganisms.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 10, 2020
2018 journal article
Bacterial microbiome of the chigger mite Leptotrombidium imphalum varies by life stage and infection with the scrub typhus pathogen Orientia tsutsugamushi
PLOS ONE, 13(12).
Ed(s): M. Perotti
MeSH headings : Animals; Female; Male; Orientia tsutsugamushi / pathogenicity; RNA, Ribosomal, 16S / genetics; Scrub Typhus / microbiology; Scrub Typhus / transmission; Trombiculidae / microbiology; Trombiculidae / pathogenicity
TL;DR:
The composition of the microbiome in larvae, deutonymphs and adult males and females from laboratory colonies of L. imphalum that were infected as well as uninfected with O. tsutsugamushi were investigated by high-throughput sequencing of the bacterial 16S rRNA gene to determine the influence of the novel Amoebophilaceae species on the bacterial microbiome and on vector susceptibility to and transovarial transmission.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 31, 2018
2018 journal article
Prevalence of Rickettsia Species (Rickettsiales: Rickettsiaceae) in Dermacentor variabilis Ticks (Acari: Ixodidae) in North Carolina
JOURNAL OF MEDICAL ENTOMOLOGY, 55(5), 1284–1291.
author keywords: Dermacentor variabilis; spotted fever group rickettsiae; Rickettsia; reverse line blot hybridization; intergenic spacer
MeSH headings : Animals; Dermacentor / microbiology; North Carolina; Phylogeny; Polymerase Chain Reaction / methods; Rickettsia / genetics; Rickettsia / isolation & purification
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: February 4, 2019
2017 journal article
Stable Transmission of Borrelia burgdorferi Sensu Stricto on the Outer Banks of North Carolina
Zoonoses and Public Health, 64(5), 337–354.
author keywords: Borrelia burgdorferi; Ixodes scapularis; Peromyscus leucopus; Oryzomys palustris; Sylvilagus palustris; Outer Banks; North Carolina
MeSH headings : Animals; Bacteriological Techniques; Borrelia burgdorferi / genetics; Borrelia burgdorferi / isolation & purification; DNA, Bacterial / genetics; Female; Ixodes / microbiology; Lyme Disease / epidemiology; Lyme Disease / microbiology; Lyme Disease / transmission; Lyme Disease / veterinary; Male; North Carolina / epidemiology; Phylogeny; Rabbits / microbiology; Reptiles / microbiology; Rodentia / microbiology
TL;DR:
Two studies indicate that B. burgdorferi sensu stricto is endemic in questing I. scapularis and mammalian tick hosts on the Outer Banks of North Carolina.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2016 journal article
Biology, pest status, microbiome and control of kudzu bug (Hemiptera: Heteroptera: Plataspidae): a new invasive pest in the U.S.
Int. J. Mol. Sci, 17(9).
author keywords: Megacopta cribraria; Megacopta punctatissima; Candidatus Ishikawaella capsulata; sampling; monitoring; cultural control; biological control
MeSH headings : Animals; Bacteria / genetics; Bacteria / isolation & purification; Beauveria / physiology; Heteroptera / drug effects; Heteroptera / growth & development; Heteroptera / microbiology; Insecticides / toxicity; Microbiota; Population Density; RNA, Ribosomal, 16S / genetics; RNA, Ribosomal, 16S / metabolism; Soybeans / growth & development; Soybeans / parasitology; Symbiosis; United States
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Design and Testing of Novel Lethal Ovitrap to Reduce Populations of Aedes Mosquitoes: Community-Based Participatory Research between Industry, Academia and Communities in Peru and Thailand
PLOS ONE, 11(8), e0160386.
Ed(s): R. Paul
MeSH headings : Aedes / virology; Animals; Chikungunya Fever / prevention & control; Chikungunya virus; Community-Based Participatory Research / methods; Dengue / prevention & control; Dengue Virus; Equipment Design; Female; Humans; Industry; Insect Vectors / virology; Mosquito Control / instrumentation; Peru; Thailand; Zika Virus; Zika Virus Infection / prevention & control
TL;DR:
The purpose of this paper is to illustrate the design and placement process for an attractive lethal ovitrap to reduce vector populations and to describe lessons learned in the development of the trap.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2016 journal article
Development and Validation of an Improved PCR Method Using the 23S-5S Intergenic Spacer for Detection of Rickettsiae in Dermacentor variabilis Ticks and Tissue Samples from Humans and Laboratory Animals
JOURNAL OF CLINICAL MICROBIOLOGY, 54(4), 972–979.
MeSH headings : Animals; Animals, Laboratory; DNA Primers / genetics; DNA, Intergenic / chemistry; DNA, Intergenic / genetics; Dermacentor / microbiology; Humans; Nucleic Acid Hybridization; Oligonucleotide Probes / genetics; Polymerase Chain Reaction / methods; RNA, Ribosomal, 23S / genetics; RNA, Ribosomal, 5S; Rickettsiaceae Infections / diagnosis; Rickettsiaceae Infections / microbiology; Rickettsieae / classification; Rickettsieae / genetics; Rickettsieae / isolation & purification; Sensitivity and Specificity
TL;DR:
The novel nested PCR assay was sensitive enough to detect one copy of a cloned 23S-5S IGS fragment from “Candidatus Rickettsia amblyommii,” and validated using clinical samples from humans and laboratory animals that were known to be infected with pathogenic species ofRickettsia.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: August 6, 2018
2016 journal article
Effect of Spatial Repellent Exposure on Dengue Vector Attraction to Oviposition Sites
PLOS Neglected Tropical Diseases, 10(7), e0004850.
Ed(s): P. Kittayapong
MeSH headings : Aedes / drug effects; Aedes / physiology; Animals; Cyclopropanes / pharmacology; Dengue / transmission; Female; Fluorobenzenes / pharmacology; Insect Repellents; Insect Vectors / drug effects; Oviposition / physiology
TL;DR:
This study quantified changes in attraction of gravid Ae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2016 journal article
Incident Tick-Borne Infections in a Cohort of North Carolina Outdoor Workers
VECTOR-BORNE AND ZOONOTIC DISEASES, 16(5), 302–308.
author keywords: Epidemiology; Rickettsia; Serology; Tick(s)
MeSH headings : Adult; Borrelia burgdorferi / isolation & purification; Ehrlichia chaffeensis / isolation & purification; Ehrlichiosis / epidemiology; Ehrlichiosis / transmission; Female; Humans; Incidence; Lyme Disease / epidemiology; Lyme Disease / transmission; Male; Middle Aged; North Carolina / epidemiology; Occupational Exposure; Rickettsia / classification; Rickettsia Infections / epidemiology; Rickettsia Infections / transmission; Tick Bites / epidemiology; Tick-Borne Diseases / epidemiology
TL;DR:
Outdoor workers in North Carolina are at high risk of incident tick-borne infections, most of which appear to be asymptomatic.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: ORCID, Web Of Science
Added: August 6, 2018
2015 journal article
Attraction and oviposition preferences of Phlebotomus papatasi (Diptera: Psychodidae), vector of Old-World cutaneous leishmaniasis, to larval rearing media
Parasites & Vectors, 8(1).
author keywords: Leishmaniasis; Oviposition behavior; Sand flies; Semiochemicals; Bioassay; Olfactometer
MeSH headings : Animals; Biometry; Insect Vectors / drug effects; Insect Vectors / physiology; Oviposition; Pheromones / metabolism; Phlebotomus / drug effects; Phlebotomus / physiology; Smell
TL;DR:
The key finding of this study is that gravid, laboratory reared, Ph. papatasi sand flies are significantly more attracted to rearing medium of the most biologically active larval stages (2nd/3rd instar and 4th instar/pupae).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2015 journal article
Evidence forAedes aegypti(Diptera: Culicidae) Oviposition on Boats in the Peruvian Amazon
Journal of Medical Entomology.
author keywords: Aedes aegypti; oviposition; boat; ovitrap
MeSH headings : Aedes / physiology; Animals; Environmental Monitoring; Female; Larva / physiology; Oviposition / physiology; Peru; Rivers; Ships
TL;DR:
Baited ovitraps deployed on river boats provide strong evidence that Ae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Source: ORCID
Added: January 30, 2022
2015 journal article
Long-Lasting Permethrin-Impregnated Clothing Protects Against Mosquito Bites in Outdoor Workers
The American Journal of Tropical Medicine and Hygiene.
MeSH headings : Aedes / immunology; Animals; Antibodies / immunology; Blotting, Western; Electrophoresis, Polyacrylamide Gel; Enzyme-Linked Immunosorbent Assay; Female; Humans; Insect Bites and Stings / prevention & control; Insecticides; Permethrin; Protective Clothing; Saliva / immunology
TL;DR:
This finding suggests that long-lasting permethrin-impregnated clothing provided protection against mosquito bites.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: ORCID
Added: January 30, 2022
2015 journal article
Oviposition responses of Aedes mosquitoes to bacterial isolates from attractive bamboo infusions
Parasites & Vectors, 8(1).
author keywords: Aedes aegypti; Aedes albopictus; Bacterial isolates; Behavioral assays; Attractants
MeSH headings : Aedes / drug effects; Aedes / microbiology; Aedes / physiology; Animals; Bacteria / classification; Bacteria / genetics; Bacteria / isolation & purification; Bambusa / chemistry; Biological Assay; Female; Insect Vectors / drug effects; Insect Vectors / microbiology; Insect Vectors / physiology; Oviposition / drug effects; Plant Extracts / pharmacology
TL;DR:
Attractive bacterial isolates, when formulated for sustained release of attractants, could be coupled with an ovitrap containing a toxicant to achieve area-wide management of Aedes mosquitoes.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: January 28, 2020
2015 journal article
Variation in the Microbiota of Ixodes Ticks with Regard to Geography, Species, and Sex
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 81(18), 6200–6209.
MeSH headings : Animals; Bacteria / classification; Bacteria / genetics; Biota; Cluster Analysis; DNA, Bacterial / chemistry; DNA, Bacterial / genetics; DNA, Ribosomal / chemistry; DNA, Ribosomal / genetics; Geography; Ixodes / microbiology; Molecular Sequence Data; Phylogeny; RNA, Ribosomal, 16S / genetics; Sequence Analysis, DNA; Sex Factors; United States
TL;DR:
Analysis of the microbiota of ticks captured in 19 locations suggests substantial variations in the Ixodes microbiota in association with geography, species, and sex.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 journal article
Advancing Integrated Tick Management to Mitigate Burden of Tick-Borne Diseases
Outlooks on Pest Management.
Source: ORCID
Added: January 30, 2022
2014 journal article
Diversity of Rickettsiales in the Microbiome of the Lone Star Tick, Amblyomma americanum
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 80(1), 354–359.
MeSH headings : Alphaproteobacteria / classification; Alphaproteobacteria / genetics; Alphaproteobacteria / isolation & purification; Animals; Bacterial Outer Membrane Proteins / genetics; DNA, Bacterial / chemistry; DNA, Bacterial / genetics; DNA, Ribosomal / chemistry; DNA, Ribosomal / genetics; Ixodidae / microbiology; Microbiota; Molecular Sequence Data; RNA, Ribosomal, 16S / genetics; Sequence Analysis, DNA
TL;DR:
The microbiome of Amblyomma americanum (Acari: Ixodidae), the lone star tick, is characterized in order to better understand the evolutionary relationships between pathogens and nonpathogens.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 journal article
Prevalence of Rickettsiales in ticks removed from the skin of outdoor workers in North Carolina
PARASITES & VECTORS, 7.
author keywords: Ticks; Rickettsiales pathogens; Rickettsia; Ehrlichia; Reverse line blot hybridization
MeSH headings : Animals; Arachnid Vectors / microbiology; Base Sequence; DNA, Bacterial / chemistry; DNA, Bacterial / genetics; DNA, Ribosomal / chemistry; DNA, Ribosomal / genetics; Double-Blind Method; Female; Humans; Ixodidae / microbiology; Male; Molecular Sequence Data; North Carolina / epidemiology; Polymerase Chain Reaction; Prevalence; Rickettsia / genetics; Rickettsia / isolation & purification; Rickettsia Infections / epidemiology; Rickettsia Infections / microbiology; Sequence Analysis, DNA; Tick Infestations / epidemiology
TL;DR:
It is concluded that in North Carolina, the most common rickettsial exposure is to R. amblyommii carried by A. americanum, and Rickettsiales bacteria, including novel species of Rickettsia, were less frequently detected in A.Americanum.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: ORCID, Web Of Science
Added: August 6, 2018
2012 journal article
Lethal ovitraps and dengue prevention: report from Iquitos, Peru
International Journal of Infectious Diseases, 16, e473.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: September 6, 2020
2011 journal article
Bacteria Stimulate Hatching of Yellow Fever Mosquito Eggs
PLoS ONE, 6(9), e24409.
Ed(s): F. Leulier
MeSH headings : Aedes / microbiology; Aedes / physiology; Animals; Bacteria; Female; Male; Ovum / microbiology; Ovum / physiology; Plant Leaves / chemistry; Plant Leaves / microbiology; Quercus / chemistry; Quercus / microbiology; Reproduction / physiology; Yellow Fever / transmission
TL;DR:
There is compelling evidence that bacteria or water-soluble compounds secreted by bacteria, not just low DO concentration, stimulate hatching of Ae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2010 journal article
Bacterial Pathogens in Ixodid Ticks from a Piedmont County in North Carolina: Prevalence of Rickettsial Organisms
Vector-Borne and Zoonotic Diseases.
author keywords: Amblyomma americanum; American dog tick; Black-legged tick; Borrelia lone star tick; Dermacentor variabilis; Ehrlichia chaffeensis; Ixodes scapularis; Pathogen prevalence; Rickettsia; Rickettsia amblyommii
MeSH headings : Animals; Arachnid Vectors / classification; Arachnid Vectors / microbiology; DNA, Bacterial / analysis; Humans; Ixodes / classification; Ixodes / microbiology; North Carolina; Phylogeny; Polymerase Chain Reaction; Prevalence; Rickettsia / classification; Rickettsia / genetics; Rickettsia / isolation & purification; Rickettsia Infections / epidemiology; Rickettsia Infections / microbiology
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: January 30, 2022
2010 journal article
Oviposition Responses of the Mosquitoes Aedes aegypti and Aedes albopictus to Experimental Plant Infusions in Laboratory Bioassays
Journal of Chemical Ecology, 36(7), 709–719.
author keywords: Aedes aegypti; Aedes albopictus; Oviposition; Attractants; Plant infusion; Fermentation; Microbe-insect interactions
MeSH headings : Aedes / physiology; Animals; Behavior, Animal; Biomass; Female; Fermentation; Oviposition; Plant Leaves / chemistry; Poaceae / chemistry; Quercus / chemistry; Time Factors
TL;DR:
Both mosquito species were more attracted to a non-sterile white oak leaf infusion than to white oak Leaf infusion that was prepared using sterilized plant material and water, thus suggesting a role for microbial activity in the production of odorants that mediate the oviposition response of gravid mosquitoes.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2010 journal article
Species Composition of Bacterial Communities Influences Attraction of Mosquitoes to Experimental Plant Infusions
Microbial Ecology, 59(1), 158–173.
Contributors: L. Ponnusamy n, D. Wesson *, C. Arellano n, C. Schal n & C. Apperson n
MeSH headings : Aedes / physiology; Animals; Bacteria / classification; Bacteria / genetics; Bacteria / growth & development; Behavior, Animal / drug effects; Biodiversity; Colony Count, Microbial; Culture Media / classification; Ecosystem; Female; Fermentation; Phylogeny
TL;DR:
Principal components analysis indicated that oviposition responses to plant infusions were in general most affected by bacterial diversity and abundance, and changes in the relative abundance of bacteria and the species composition of bacterial communities influenced attraction of gravid A. aegypti and A. albopictus mosquitoes to infusions.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2008 journal article
Diversity of Bacterial Communities in Container Habitats of Mosquitoes
MICROBIAL ECOLOGY, 56(4), 593–603.
Contributors: L. Ponnusamy n, N. Xu n, G. Stav*, D. Wesson *, C. Schal n & C. Apperson n
MeSH headings : Animals; Bacteria / classification; Bacteria / genetics; Bacteria / growth & development; Biodiversity; Culicidae / growth & development; Ecosystem; Fresh Water / microbiology; Fresh Water / parasitology; Genetic Variation; Molecular Sequence Data; New Orleans; Polymerase Chain Reaction; RNA, Ribosomal, 16S / genetics; Water Microbiology
TL;DR:
Comparative PCR-based, cultivation-independent rRNA surveys of microbial communities associated with mosquito habitats can provide significant insight into community organization and dynamics of bacterial species.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018
2008 journal article
Identification of bacteria and bacteria-associated chemical cues that mediate oviposition site preferences by Aedes aegypti
Proceedings of the National Academy of Sciences, 105(27), 9262–9267.
Contributors: L. Ponnusamy n, N. Xu n, S. Nojima n, D. Wesson*, C. Schal n & C. Apperson n
author keywords: kairomone; semiochemical; mosquito; egg-laying; dengue vector control
MeSH headings : Aedes / anatomy & histology; Aedes / microbiology; Aedes / physiology; Animals; Bacteria / isolation & purification; Behavior, Animal / physiology; Biological Assay; Female; Oviposition / physiology; Pheromones / analysis; Plant Leaves / parasitology; Sasa / metabolism
TL;DR:
It is demonstrated that specific bacteria-associated carboxylic acids and methyl esters serve as potent oviposition stimulants for gravid Ae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2006 journal article
Host-feeding patterns of Aedes albopictus (Diptera: Culicidae) in relation to availability of human and domestic animals in suburban landscapes of central North Carolina.
Journal of Medical Entomology.
Source: ORCID
Added: January 30, 2022
2004 journal article
Swaminathania salitolerans gen. nov., sp. nov., a salt-tolerant, nitrogen-fixing and phosphate-solubilizing bacterium from wild rice (Porteresia coarctata Tateoka)
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY.
MeSH headings : Acetic Acid / pharmacology; Acetobacteraceae / classification; Acetobacteraceae / cytology; Acetobacteraceae / isolation & purification; Acetobacteraceae / physiology; Base Composition; Carbohydrate Metabolism; Culture Media / chemistry; DNA, Bacterial / chemistry; DNA, Bacterial / isolation & purification; DNA, Ribosomal / chemistry; Ethanol / metabolism; Fatty Acids / analysis; Fatty Acids / isolation & purification; Flagella; Genes, rRNA; Gentian Violet; Glutamic Acid / metabolism; Growth Inhibitors / pharmacology; Hydrogen-Ion Concentration; Molecular Sequence Data; Movement; Nitrates / pharmacology; Phenazines; Phylogeny; Plant Roots / microbiology; Plant Stems / microbiology; Poaceae / microbiology; Potassium Compounds / pharmacology; Quinones / analysis; RNA, Bacterial / genetics; RNA, Ribosomal, 16S / genetics; Sequence Analysis, DNA; Sequence Homology; Sodium Chloride / pharmacology
Source: ORCID
Added: January 30, 2022
2003 journal article
[]
Biotechnology Letters.
author keywords: colonization; N-2-fixation; novel isolates; phosphate-solubilization; rice
MeSH headings : Acetobacteraceae / classification; Acetobacteraceae / cytology; Acetobacteraceae / growth & development; Acetobacteraceae / physiology; Cell Count / methods; Cell Division / physiology; Oryza / classification; Oryza / cytology; Oryza / microbiology; Plant Roots / classification; Plant Roots / cytology; Plant Roots / microbiology; Species Specificity
Source: ORCID
Added: January 30, 2022
2001 journal article
Genetic diversity and relationship between Bradyrhizobium strains isolated from blackgram and cowpea
Biology and Fertility of Soils.
author keywords: diversity; nodulation; Bradyrhizobium; nifD; 16S rDNA
TL;DR:
A combination of PCR-RFLP genotyping with nodulation studies indicates that monocropping of blackgram and the salinity of the soil have made ineffective rhizobia the dominant genotype, thereby creating an ecological burden on their other compatible hosts.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: ORCID
Added: January 30, 2022
2001 journal article
Genetic diversity of Bradyrhizobium strains isolated from Arachis hypogaea
Canadian Journal of Microbiology.
MeSH headings : Arachis / microbiology; Bradyrhizobium / genetics; DNA, Bacterial / analysis; DNA, Ribosomal / analysis; Genes, Bacterial; Genetic Variation; Nitrogen Fixation / genetics; Polymorphism, Restriction Fragment Length; RNA, Ribosomal, 16S / analysis; Random Amplified Polymorphic DNA Technique
TL;DR:
The genetic diversity of Bradyrhizobium strains isolated from the host plant, Arachis hypogaea along the coastline of Tamil Nadu was assessed and revealed a high degree of heterogeneity among strains and detection of two distinct genetic groups.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: ORCID
Added: January 30, 2022
1999 journal article
Isolation and characterization of two genetically distant groups of Acetobacter diazotrophicus from a new host plant Eleusine coracana L.
Journal of Applied Microbiology.
TL;DR:
Acetobacter diazotrophicus strains were isolated from Eleusine coracana, a new host plant cultivated along the coast of Tamil Nadu in India, and the presence of this bacterium was demonstrated directly in plant tissues, proving its endophytic nature and it was absent in non‐rhizosphere soils.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: ORCID
Added: January 30, 2022
1997 journal article
Competitiveness of native Bradyrhizobium japonicum strains in two different soil types
Biology and Fertility of Soils.
author keywords: soybean nodulation; Bradyrhizobium japonicum; competitiveness; immunoblot method; native soil rhizobia; co-inoculation
TL;DR:
Five native strains of Bradyrhizobium japonicum were assessed for their competitiveness in nodulating soybean using serological methods and revealed that under in vitro conditions SSF 8 is more competitive than USDA’s 110 whereas the others were less competitive.
(via Semantic Scholar)
Source: ORCID
Added: January 30, 2022
1993 journal article
Phylogenetic grouping and identification of Rhizobium isolates on the basis of random amplified polymorphic DNA profiles
Canadian Journal of Microbiology.
author keywords: RHIZOBIUM; DNA AMPLIFICATION; RANDOM PRIMERS
MeSH headings : Base Sequence; DNA, Bacterial / genetics; Gene Amplification; Molecular Sequence Data; Phylogeny; Polymorphism, Genetic / genetics; Rhizobiaceae / classification; Rhizobiaceae / genetics; Rhizobiaceae / isolation & purification; Rhizobium / classification; Rhizobium / genetics; Rhizobium / isolation & purification
TL;DR:
Although it was possible to identify individual isolates on the basis of differences in their amplified DNA profiles, there was evidence that some amplified segments were conserved among individuals at the biovar and species levels.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(OpenAlex)
Source: ORCID
Added: January 30, 2022
Employment
Updated: November 19th, 2018 20:00
2016 - present
NC State University Raleigh, NC, US
Principal Research Scholar
Entomology and Plant Pathology
2012 - 2016
NC State University Raleigh, US
Senior Research Scholar
Entomology and Plant Pathology
Education
Updated: November 19th, 2018 20:07
1998 - 2003
M. S. Swaminathan Research Foundation, University of Madras Chennai, Tamil Nadu, IN
Doctor of Philosophy
Microbiology
Funding History
Funding history based on the linked ORCID record. Updated: February 19th, 2020 15:30
grant
February 1, 2016 - January 31, 2020
Oviposition attractants for sand fly control
National Institute of Allergy and Infectious Diseases
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