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Theses

Bacteriophages

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Full-Text Articles in Microbiology

An Investigation Of The Use Of Natural Agents To Control Mycobacteria, Olga Lesniak Jan 2016

An Investigation Of The Use Of Natural Agents To Control Mycobacteria, Olga Lesniak

Theses

Economic losses that are caused by Mycobacterium avium paratuberculosis (MAP) infections represent a major obstacle for farmers and also for the dairy industry. In order to control the population of MAP, alternative control agents must be investigated. One of the studies described in this thesis focused on using a bacteriophage therapy based approach to assess its efficacy on simulated industrial environments and food models. Another study described in this thesis investigated the antimicrobial effects of parsley and garlic on a range of mycobacteria species. Both studies used conventional microbiological methods such as plaque assays, AlamarBlue assay (MABA) and growth curves, …


The Evolution Of Bacteriophages E11/2 And E4/Lc For Control Of Verocytotxigenic E.Coli At Key Stages In The Beef Chain, Bríd Coffey Jan 2011

The Evolution Of Bacteriophages E11/2 And E4/Lc For Control Of Verocytotxigenic E.Coli At Key Stages In The Beef Chain, Bríd Coffey

Theses

The objective of this thesis was lo evaluate the potential of bactcriophages e4/1 c and cl 1/2 ns biocontrol agents for E. coli O157:H7. Initially, e4/lc and el 1/2 were subjected to high-throughput 454 sequencing. The data generated revealed that e4/I c (47,112 bp) is very similar to the lytic E. coli phages RTP and JK06. Interestingly, differences within the tail module led to the identification of a putative site of attachment to E. coli O157:H?. Comparative genomic analysis indicated that el 1/2 (168,470 bp) is a novel member of the T-even group, with high degrees of similarity to T4 …