Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
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Lysine Decarboxylase-Negative Salmonella enterica Serovar Enteritidis: Antibiotic Susceptibility, Phage and PFGE Typing
Shogo YAMASAKIKenshi HARAHidemasa IZUMIYAHaruo WATANABENaoaki MISAWAKaroku OKAMOTOKozo TAKASE
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2007 年 69 巻 8 号 p. 813-818

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One hundred twenty Salmonella Enteritidis isolates collected from1992 to 2005 in Nagasaki prefecture (65 isolates from 40 outbreak cases, 44 from sporadic diarrhea patients, and 11 from chicken-related products) were investigated by their antibiotic susceptibility profiles, phage typing, and pulsed-field gel electrophoresis (PFGE) typing. Out of them, 18 were identified as lysine decarboxylase (LDC)-negative isolates, and 15 showed resistance toward streptomycin. Based on the PFGE typing, the isolates were classified into five clusters by UPGMA clustering method. Three LDC-negative isolates belonged to cluster A and were of phage type (PT) 4 and isolated between 2000 and 2004. Other 15 LDC-negative isolates belonged to cluster E. They were PT1, reacted but did not conform (RDNC), or untypable and were isolated between 2001 and 2004. LDC-negative isolates of the cluster A differed from LDC-negative isolates of the cluster E in antibiotic susceptibility profiles, phage typing, and PFGE typing. LDC-negative isolates of the cluster E were isolated after 2001 in Nagasaki prefecture.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 改変禁止 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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