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Title: Characterization of flagellotropic, chi-like salmonella phages isolated from thai poultry farms
Authors: Preeda Phothaworn
Matthew Dunne
Rattaya Supokaivanich
Catherine Ong
Jiali Lim
Rutjawate Taharnklaew
Mongkol Vesaratchavest
Rabuesak Khumthong
Onanong Pringsulaka
Pravech Ajawatanawong
Jochen Klumpp
Nathan Brown
Mohammed Imam
Martha R.J. Clokie
Edouard E. Galyov
Sunee Korbsrisate
University of Leicester
ETH Zürich
Mahidol University
Faculty of Medicine, Siriraj Hospital, Mahidol University
DSO National Laboratories
Srinakharinwirot University
Betagro Science Center Co. Ltd.
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Jun-2019
Citation: Viruses. Vol.11, No.6 (2019)
Abstract: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. Despite a wealth of knowledge on Salmonella phages worldwide, little is known about poultry-associated Salmonella phages from Thailand. Here, we isolated 108 phages from Thai poultry farms that infect Salmonella enterica serovar Typhimurium. Phages STm101 and STm118 were identified as temperate Siphoviridae phages. Genome sequencing and analyses revealed these phages share approximately 96% nucleotide sequence similarity to phage SPN19, a member of the Chi-like virus genus. PCR amplification of the gene encoding capsid protein E of the Chi-like phage was positive for 50% of phage isolates, suggesting a predominance of this phage type among the sampled poultry farms. In addition to the flagella, two phages required the lipopolysaccharide to infect and lyse Salmonella. Furthermore, phylogenomic analysis demonstrated that phages STm101 and STm118 formed a monophyletic clade with phages isolated from Western countries, but not from closer isolated phages from Korea. However, further investigation and more phage isolates are required to investigate possible causes for this geographic distribution.
ISSN: 19994915
Appears in Collections:Scopus 2019

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