Enterococcus属菌(腸球菌)分離株におけるエンテロシン遺伝子の保有と病原細菌に対する抗菌活性
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- THEPPANGNA Watthana
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University
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- MURASE Toshiyuki
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University The Avian Zoonosis Research Center, Faculty of Agriculture, Tottori University
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- TOKUMARU Natsumi
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University
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- CHIKUMI Hiroki
- Division of Medical Oncology and Molecular Respirology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University
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- SHIMIZU Eiji
- Division of Medical Oncology and Molecular Respirology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University
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- OTSUKI Koichi
- Faculty of Technology, Kyoto Sangyo University
書誌事項
- タイトル別名
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- Screening of the Enterocin Genes and Antimicrobial Activity against Pathogenic Bacteria in Enterococcus Strains Obtained from Different Origins
- Bacteriology: Screening of the enterocin genes and antimicrobial activity against pathogenic bacteria in Enterococcus strains obtained from different origins
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抄録
Antimicrobial activities of 139 Enterococcus isolates (48 E. faecium and 91 E. faecalis) obtained from canine feces, boiler meat samples, swine feces, wild waterfowl feces, and human feces were examined against respective bacteria, including Streptococcus pyogenes, Staphylococcus aureus, Bacillus subtilis, Listeria monocytogenes, Salmonella Enteritidis, and Escherichia coli. Bacteriocin (BAC) production assay revealed that the antimicrobial activity against at least one of 6 indicator strains (BAC+ phenotype) was found in 51 (37%) isolates (29 E. faecium and 22 E. faecalis). Twenty-four of 46 isolates positive for at least one of the enterocin structural genes (entA, entB, entL50AB, and cylL) showed a BAC+ phenotype. The existence of other enterocins or nonenterocin factors was implied because the BAC+ phenotype was detected in a total of 27 Enterococcus isolates that had none of the enterocin genes tested. The antimicrobial activity against Gram-negative strains (Salmonella Enteritidis and E. coli) was detected in the 6 Enterococcus isolates that had either the entA, entB, entL50AB or cylL genes. Moreover, the proportion of the antimicrobial activity against L. monocytogenes among the cylL-positive E. faecalis isolates showing beta-hemolysis (10/16) was significantly (p<0.01) higher than among those lacking beta-hemolysis (2/15). The results suggested that certain characteristics are likely to be associated with the antimicrobial activity against specific organisms.<br>
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 69 (12), 1235-1239, 2007
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206431358976
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- NII論文ID
- 110006569945
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 9318877
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可