作者
Andrea I Moreno Switt, Henk C den Bakker, Kitiya Vongkamjan, Karin Hoelzer, Lorin D Warnick, Kevin J Cummings, Martin Wiedmann
发表日期
2013/12/1
期刊
Food microbiology
卷号
36
期号
2
页码范围
275-285
出版商
Academic Press
简介
Salmonella is an animal and human pathogen of worldwide concern. Surveillance programs indicate that the incidence of Salmonella serovars fluctuates over time. While bacteriophages are likely to play a role in driving microbial diversity, our understanding of the ecology and diversity of Salmonella phages is limited. Here we report the isolation of Salmonella phages from manure samples from 13 dairy farms with a history of Salmonella presence. Salmonella phages were isolated from 10 of the 13 farms; overall 108 phage isolates were obtained on serovar Newport, Typhimurium, Dublin, Kentucky, Anatum, Mbandaka, and Cerro hosts. Host range characterization found that 51% of phage isolates had a narrow host range, while 49% showed a broad host range. The phage isolates represented 65 lysis profiles; genome size profiling of 94 phage isolates allowed for classification of phage isolates into 11 groups …
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