Youwen Pan

Works (5)

Updated: July 5th, 2023 15:55

2010 journal article

Synergistic Effects of Sodium Chloride, Glucose, and Temperature on Biofilm Formation by Listeria monocytogenes Serotype 1/2a and 4b Strains

APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 76(5), 1433–1441.

By: Y. Pan n, F. Breidt n & L. Gorski *

MeSH headings : Biofilms / drug effects; Biofilms / growth & development; Coloring Agents / pharmacology; Ethanol / metabolism; Extracellular Matrix / metabolism; Gentian Violet / pharmacology; Glucose / metabolism; Humans; Listeria monocytogenes / drug effects; Listeria monocytogenes / physiology; Sodium Chloride / metabolism; Staining and Labeling; Temperature
topics (OpenAlex): Listeria monocytogenes in Food Safety; Essential Oils and Antimicrobial Activity; Microbial Inactivation Methods
TL;DR: Interestingly, most serotype 4b strains had a higher growth rate than the 1/2a strains, suggesting that the growth rate may not be directly related to the capacity for biofilm formation. (via Semantic Scholar)
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Added: August 6, 2018

2009 journal article

Competition of Listeria monocytogenes serotype 1/2a and 4b strains in mixed-culture biofilms

Applied and Environmental Microbiology, 75(18), 5846–5852.

By: Y. Pan n, F. Breidt n & S. Kathariou n

MeSH headings : Antibiosis; Biofilms / growth & development; Colony Count, Microbial / methods; Environmental Microbiology; Humans; Listeria monocytogenes / growth & development; Listeria monocytogenes / physiology; Microbial Viability; Polymerase Chain Reaction / methods; Stainless Steel
topics (OpenAlex): Listeria monocytogenes in Food Safety; Essential Oils and Antimicrobial Activity; Biosensors and Analytical Detection
TL;DR: The methodology used in this study contributed to the understanding of how environmental stresses and microbial competition influence the survival and growth of L. monocytogenes in pure and mixed-culture biofilms. (via Semantic Scholar)
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Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Escherichia coli O157:H7 Strains Isolated from Environmental Sources Differ Significantly in Acetic Acid Resistance Compared with Human Outbreak Strains

JOURNAL OF FOOD PROTECTION, 72(3), 503–509.

By: D. Oh*, Y. Pan n, E. Berry*, M. Cooley *, R. Mandrell* & F. Breidt n

MeSH headings : Acetic Acid / pharmacology; Animals; Cattle / microbiology; Colony Count, Microbial; Drug Resistance, Bacterial; Environmental Microbiology; Escherichia coli O157 / drug effects; Escherichia coli O157 / growth & development; Feces; Food Contamination; Food Handling / methods; Humans; Hydrogen-Ion Concentration; Temperature; Water Microbiology
topics (OpenAlex): Listeria monocytogenes in Food Safety; Salmonella and Campylobacter epidemiology; Food Safety and Hygiene
TL;DR: Temperature, pH, and atmospheric conditions are key factors in establishing strategies for improving the safety of acidified foods and resistance to acetic acid increases as temperature decreased to 15 degrees C for a given pH. (via Semantic Scholar)
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Added: August 6, 2018

2007 journal article

Enumeration of viable Listeria monocytogenes cells by real-time PCR with propidium monoazide and ethidium monoazide in the presence of dead cells

APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 73(24), 8028–8031.

By: Y. Pan n & F. Breidt n

MeSH headings : Azides / metabolism; Colony Count, Microbial / methods; Listeria monocytogenes / isolation & purification; Polymerase Chain Reaction / methods; Propidium / metabolism
topics (OpenAlex): Listeria monocytogenes in Food Safety; Vibrio bacteria research studies; Biosensors and Analytical Detection
TL;DR: Viable cell counts were linearly related to real-time PCR threshold cycle values for PMA-treated cells from planktonic and biofilm sources over a 4-log range. (via Semantic Scholar)
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2006 journal article

Resistance of Listeria monocytogenes biofilms to sanitizing agents in a simulated food processing environment

APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 72(12), 7711–7717.

By: Y. Pan n, F. Breidt n & S. Kathariou n

MeSH headings : Bacterial Adhesion / drug effects; Biofilms / drug effects; Biofilms / growth & development; Chlorine / pharmacology; Colony Count, Microbial; Disinfectants / pharmacology; Drug Resistance, Bacterial; Food-Processing Industry / methods; Listeria monocytogenes / drug effects; Listeria monocytogenes / growth & development; Peroxides / pharmacology; Polytetrafluoroethylene; Quaternary Ammonium Compounds / pharmacology; Stainless Steel
topics (OpenAlex): Listeria monocytogenes in Food Safety; Essential Oils and Antimicrobial Activity; Bacterial biofilms and quorum sensing
TL;DR: Data suggest that the resistance of the treated biofilms to sanitizing agents may be due to attributes of extracellular polymeric substances and is not an intrinsic attribute of the cells in the biofilm. (via Semantic Scholar)
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Added: August 6, 2018

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