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Skip to Search Results- 4McMullen, Lynn (Agricultural, Food and Nutritional Science)
- 3Vederas, John (Chemistry)
- 2Vederas, John C. (Chemistry)
- 1Bressler, David (Agricultural, Food, and Nutritional Science)
- 1Bressler, David (Department of Agricultural, Food and Nutritional Science)
- 1Gänzle, Michael (Agricultural, Food and Nutritional Science)
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Spring 2018
Acidocin B (AcdB), a bacteriocin from Lactobacillus acidophilus M46 that was initially reported to be a linear peptide, was purified and shown to be circular based on MALDI-TOF MS and MS/MS sequencing. MS analysis further revealed that AcdB is comprised of 58 amino acid residues, instead of 59...
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Structural Studies of Peptides that Influence the Pathogenicity of Bacterial Infections, and Investigation of Structure-Activity-Relationships of Antimicrobial Peptides with Application to Cancer Therapy.
DownloadFall 2017
Enterocin 7 is a two-component, leaderless bacteriocin comprised of an A and B peptide and produced by Enterococcus faecalis 710C. The secondary structure of enterocin 7B was investigated through circular dichroism. A high degree of α-helicity was discovered by circular dichroism, regardless of...
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Fall 2016
“Blown-pack” spoilage of beef by psychrotrophic Clostridium spp. occurs sporadically and resistance of the endospores to most interventions makes them very difficult to control. Current interventions used to control spoilage and pathogenic bacteria, such as acid washes and heat treatments, do...
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Fall 2015
Contamination by lactic acid bacteria is a major source of inefficiency in the bioethanol industry. Contaminated fermentations exhibit lowered ethanol yields and contamination events often require shutdown of the entire process for cleaning and decontamination. The first objective of this study...
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Fall 2014
The growth of Listeria monocytogenes and spoilage microorganisms is a concern in sodium-reduced ready-to-eat (RTE) meats. To assess the microbial risk of sodium-reduced RTE meats, the microbiota of retail RTE meats was profiled and the growth of L. monocytogenes and an autochthonous microbiota...
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Quantification of bacteriocin gene expression in Carnobacterium maltaromaticum ATCC PTA-5313
DownloadFall 2014
Carnobacterium maltaromaticum ATCC PTA-5313, which produces bacteriocins carnocyclin A, piscicolin 126 and carnobacteriocin BM1, has been approved for use on meat products to control the growth of Listeria monocytogenes. This combination of bacteriocins is very effective as a biopreservative. It...
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Fall 2014
Paenibacillus polymyxa NRRL B-30509, Paenibacillus terrae NRRL B-30644 and P. polymyxa NRRL B-30507 were found to produce several bacteriocins and non-ribosomal peptides. All three strains produce tridecaptins, non-ribosomal lipopeptides antimicrobially active against food pathogen Campylobacter...
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Fall 2012
Thuricin CD, a two-component bacteriocin produced by Bacillus thuringiensis DPC 6431, exhibits potent activity against the hospital superbug Clostridium difficile ribotype O27. The two peptides (Trn-α and Trn-β) that constitute thuricin CD operate synergistically to kill sensitive bacteria at...
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Control of Listeria monocytogenes and Heat-Resistant Escherichia coli on Vacuum-Packaged Beef
DownloadSpring 2012
Novel methods to control Listeria monocytogenes and Escherichia coli on vacuum-packaged raw beef were investigated. Bacteriocin-negative Lactobacillus sakei FUA3058 and bacteriocin-positive Carnobacterium maltaromaticum UAL307 were tested as biopreservatives, alone or in combination with...
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Spring 2011
Several obstacles to widespread use of bacteriocins in food have been identified, including lack of specific, rapid quantitation methods, and little data on their efficacy in food systems. The first objective of this study was to develop a specific, rapid quantitation method for bacteriocins...