Kuang-Ren Chung
Works (9)
Updated: July 5th, 2023 16:03
2005 review
Photoactivated perylenequinone toxins in fungal pathogenesis of plants
[Review of ]. FEMS MICROBIOLOGY LETTERS, 252(2), 197–206.
author keywords: plant disease; non-specific toxin; active oxygen; pyridoxine; zinc cluster transcription factor
MeSH headings : Ascomycota / genetics; Ascomycota / metabolism; Light; Molecular Structure; Mycotoxins / chemistry; Mycotoxins / metabolism; Mycotoxins / toxicity; Perylene / analogs & derivatives; Perylene / chemistry; Perylene / metabolism; Perylene / toxicity; Photosensitizing Agents / toxicity; Plant Diseases / microbiology; Reactive Oxygen Species / metabolism
TL;DR:
This review focuses on the well studied perylenequinone toxin, cercosporin, produced by species in the genus Cercospora, with the characterization of genes encoding a polyketide synthase and a major facilitator superfamily transporter representing the first and last steps of the biosynthetic pathway.
(via Semantic Scholar)
open access via academic.oup.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Cercosporin-deficient mutants by plasmid tagging in the asexual fungus Cercospora nicotianae
MOLECULAR GENETICS AND GENOMICS, 270(2), 103–113.
author keywords: photosensitizer; plasmid rescue; active oxygen
MeSH headings : Amino Acid Sequence; Ascomycota / genetics; Ascomycota / metabolism; Ascomycota / pathogenicity; Base Sequence; Chromosome Mapping; DNA, Fungal / genetics; Gene Targeting; Genetic Vectors; Molecular Sequence Data; Multienzyme Complexes / genetics; Multienzyme Complexes / metabolism; Mutation; Mycotoxins / biosynthesis; Mycotoxins / genetics; Perylene / analogs & derivatives; Perylene / metabolism; Phenotype; Pigmentation; Plasmids / genetics; Sequence Homology, Amino Acid; Transformation, Genetic
TL;DR:
The adaptation of plasmid insertion and restriction enzyme-mediated integration to produce cercosporin toxin-deficient mutants in the asexual phytopathogenic fungus Cercospora nicotianae is successfully adapted, providing the first molecular evidence that cercOSporin is synthesized via a polyketide pathway as previously hypothesized.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Expression of the cercosporin toxin resistance gene (CRG1) as a dicistronic mRNA in the filamentous fungus Cercospora nicotianae
CURRENT GENETICS, 43(6), 415–424.
author keywords: photosensitizer; singlet oxygen; toxin; transcription factor; uracil transporter; zinc finger DNA-binding domain
MeSH headings : Amino Acid Sequence; Ascomycota / drug effects; Ascomycota / genetics; Ascomycota / metabolism; Base Sequence; Drug Resistance / genetics; Fungal Proteins / biosynthesis; Fungal Proteins / genetics; Gene Expression; Genes; Genome, Fungal; Molecular Sequence Data; Nucleotide Transport Proteins / genetics; Nucleotide Transport Proteins / metabolism; Perylene / analogs & derivatives; Perylene / pharmacology; RNA, Fungal / metabolism; RNA, Messenger / metabolism; Reverse Transcriptase Polymerase Chain Reaction; Transcription Factors / genetics; Transcription Factors / metabolism; Transcription, Genetic
TL;DR:
It is concluded that the 4.5-kb transcript is a dicistronic mRNA of both CRG1 and PUT1 in the fungus C. nicotianae, the first example of a d physicistronic mRNA identified in filamentous fungi.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2002 journal article
Functional expression and cellular localization of cercosporin-resistance proteins fused with the GFP in Cercospora nicotianae
CURRENT GENETICS, 41(3), 159–167.
author keywords: photosensitizer; singlet oxygen; fungi; pyridoxine
MeSH headings : Ascomycota / drug effects; Ascomycota / genetics; Ascomycota / metabolism; Base Sequence; Blotting, Western; DNA Primers; Fungal Proteins / genetics; Fungal Proteins / metabolism; Green Fluorescent Proteins; Luminescent Proteins / metabolism; Microscopy, Confocal; Perylene / analogs & derivatives; Perylene / pharmacology; Recombinant Fusion Proteins / genetics; Recombinant Fusion Proteins / metabolism; Transformation, Genetic
TL;DR:
Transformation of these constructs into strains mutant in these respective genes resulted in green-fluorescent transformants complemented for the mutant phenotype, a result inconsistent with microscopic observation and computer sequence analysis, which suggests that CRG1 is a membrane protein.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
1999 journal article
A novel gene required for cercosporin toxin resistance in the fungus Cercospora nicotianae
Molecular and General Genetics, 262(2), 382–389.
MeSH headings : Amino Acid Sequence; Ascomycota / genetics; Base Sequence; Cloning, Molecular; DNA, Fungal; Fungal Proteins / genetics; Fungal Proteins / physiology; Gene Expression; Genes, Fungal; Genetic Complementation Test; Molecular Sequence Data; Mutation; Perylene / analogs & derivatives; Phenotype; Sequence Homology, Nucleic Acid
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
1999 journal article
Functional characterization of SOR1, a gene required for resistance to photosensitizing toxins in the fungus Cercospora nicotianae
CURRENT GENETICS, 34(6), 478–485.
author keywords: photosensitizer resistance; singlet oxygen resistance; Cercospora spp.; cercosporin
MeSH headings : Amino Acid Sequence; Ascomycota / drug effects; Ascomycota / genetics; Ascomycota / radiation effects; Base Sequence; Culture Media; DNA Primers / genetics; DNA, Fungal / genetics; Drug Resistance, Microbial / genetics; Fungal Proteins / genetics; Gene Expression Regulation, Fungal / drug effects; Gene Expression Regulation, Fungal / radiation effects; Genes, Fungal; Genetic Complementation Test; Molecular Sequence Data; Mutation; Osmolar Concentration; Perylene / analogs & derivatives; Perylene / pharmacology; Phenotype; Photosensitizing Agents / pharmacology; RNA, Fungal / genetics; RNA, Fungal / metabolism; RNA, Messenger / genetics; RNA, Messenger / metabolism
TL;DR:
Southern analysis indicates that SOR1 is present in other fungi that synthesize structurally related perylenequinone photosensitizers that are complemented toPhotosensitizer resistance by transformation with S OR1.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
1998 journal article
Active oxygen in fungal pathogenesis of plants: the role of cercosporin in Cercospora diseases
Recent Advances in Phytochemistry, 32(1998), 31–56.
Source: NC State University Libraries
Added: August 6, 2018
1998 journal article
SOR1, a gene required for photosensitizer and singlet oxygen resistance in Cercospora fungi, is highly conserved in divergent organisms
MOLECULAR CELL, 1(4), 603–609.
MeSH headings : Cloning, Molecular; Conserved Sequence; DNA, Fungal / analysis; Enzyme Inhibitors / pharmacology; Fungal Proteins / genetics; Fungal Proteins / metabolism; Fungi / drug effects; Fungi / genetics; Gene Expression Regulation, Fungal; Molecular Sequence Data; Mutagenesis / drug effects; Oxygen / metabolism; Perylene / analogs & derivatives; Perylene / pharmacology; Photic Stimulation; Photochemistry; Photosensitizing Agents / pharmacology; Sequence Analysis, DNA; Sequence Homology, Amino Acid
TL;DR:
The characterization of SOR1 provides an additional phenotype to this large group of evolutionarily conserved genes, which is highly conserved in organisms from widely diverse taxa.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
Vegetative compatibility between and within Epichloe species
MYCOLOGIA, 89(4), 558–565.
author keywords: complementation; heterokaryons; interspecific hybridization; nitrate utilization
Source: Web Of Science
Added: August 6, 2018
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