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KMID : 0380620110430020134
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Korean Journal of Food Science and Technology
2011 Volume.43 No. 2 p.134 ~ p.141
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Profiles of Toxin Genes and Antibiotic Susceptibility of Bacillus cereus Isolated from Perilla Leaf and Cultivation Areas
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Kim Se-Ri
Lee Ji-Young
Lee Seo-Hyun
Ryu Kyoung-Yul
Park Kyung-Hoon
Kim Byung-Seok
Yoon Yo-Han
Shim Won-Bo
Kim Kyeong-Yeol
Ha Sang-Do
Yun Jong-Chul
Chung Duck-Hwa
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Abstract
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Two-hundred Bacillus cereus isolated from perilla leaf cultivation areas in Miryang, Korea were investigated for toxin genes and antibiotic susceptibility. Toxigenic patterns of isolates were identified to be 11 groups through toxin gene profiles. 21% of strains isolated from the perilla leaves had both enterotoxin and emetic toxin. Toxin genes entFM (100%), nheA (100%) and hblA, C, D (65.5%) were frequently found in the perilla leaves, whereas EM (21.0%) was less common.
Most isolates were susceptible to 10 antibiotics, but they were highly resistant to penicillin (100%), ampicillin (100%), oxacillin (94.9%), amoxicillin-clavulanic acid (95.6%), cefazolin (78.2%), and rifampicin (58.0%). These results indicate that food-borne outbreak caused by B. cereus might lead to diarrhea and emetic syndromes.
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KEYWORD
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perilla leaves, Bacillus cereus, toxigenic genes, antibiotic susceptibility
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