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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제27권 제11호
- 발행연도
- 2017.1
- 수록면
- 1,983 - 1,993 (11page)
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초록· 키워드
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Salmonella enterica subsp. enterica serovar Typhimurium, one of the most common foodborne pathogens, is transmitted mainly through contaminated food derived from infected animals.
In this study, S. Typhimurium ST1120, an isolate from pig feces in Korea, was subjected to whole-genome analysis to understand its genomic features associated with virulence. The genome of ST1120 was found to have a circular chromosome of 4,855,001 bp (GC content 52.2%) and a plasmid of 6,863 bp (GC content 46.0%). This chromosome was predicted to have 4,558 open reading frames (ORFs), 17 pseudogenes, 22 rRNA genes, and 86 tRNA genes. Its plasmid was predicted to have three ORFs. Comparative genome analysis revealed that ST1120 was phylogenetically close to S. Typhimurium U288, a critical isolate in piggery farms and food chains in Europe. In silico functional analysis predicted that the ST1120 genome harbored multiple genes associated with virulence and stress resistance, including Salmonella pathogenicity islands (SPIs containing SPI-1 to SPI-5, SPI-13, and SPI-14), C63PI locus, ST104 prophage locus, and various antibiotic resistance genes. In accordance with these analysis results, ST1120 showed competence in invasion and survival abilities when it was added to host cells. It also exhibited robust resistance against antibiotics in comparison with other S. Typhimurium strains. This is the first report of the complete genome sequence of S. Typhimurium isolated from swine in Korea. Comparative genome analysis between ST1120 and other Salmonella strains would provide fruitful information toward understanding Salmonella host specificity and developing control measures against S. Typhimurium infection.
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참고문헌 (26)
참고문헌 신청
Aarestrup FM. / 2005 / Veterinary drug usage and antimicrobial resistance in bacteria of animal origin / Basic Clin. Pharmacol. Toxicol 96 : 271 ~ 281
Altschul SF / 1990 / Basic local alignment search tool / J. Mol. Biol 215 : 403 ~ 410
Berends BR / 1997 / Identification and quantification of risk factors regarding Salmonella spp. on pork carcasses / Int. J. Food Microbiol 36 : 199 ~ 206
Bruun T / 2009 / An outbreak of Salmonella Typhimurium infections in Denmark, Norway and Sweden, 2008 / Euro Surveill 14 : 19147 ~
CDC / 2007 / Bacterial foodborne and diarrheal disease national case surveillance, annual report, 2005
Altschul SF / 1990 / Basic local alignment search tool / J. Mol. Biol 215 : 403 ~ 410
Berends BR / 1997 / Identification and quantification of risk factors regarding Salmonella spp. on pork carcasses / Int. J. Food Microbiol 36 : 199 ~ 206
Bruun T / 2009 / An outbreak of Salmonella Typhimurium infections in Denmark, Norway and Sweden, 2008 / Euro Surveill 14 : 19147 ~
CDC / 2007 / Bacterial foodborne and diarrheal disease national case surveillance, annual report, 2005
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