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KMID : 0545120090190070647
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Journal of Microbiology and Biotechnology
2009 Volume.19 No. 7 p.647 ~ p.650
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Comparison of Three Different Methods for Campylobacter Isolation from Porcine Intestines
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Shin Eun-Ju
Lee Yeon-Hee
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Abstract
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Using 200 porcine colon tissues, the efficiencies of three isolation methods of Campylobacter from porcine intestines were compared: Method 1, direct streaking of colon mucosa; Method 2, direct inoculation of intestinal contents with a swab; Method 3, inoculation of pre-enriched medium. A total of 460 Campylobacter isolates were obtained from 178 samples (89%) by direct streaking of colon mucosa, 142 samples (71%) by direct streaking of a swab, and 94 samples (47%) by pre-enrichment of intestinal contents in Preston broth. Direct streaking of colon mucosa was superior to the other two isolation methods, in terms of rapidity and higher efficiency. When isolates were identified with various biochemical tests and PCRs specific to 16s rRNA, mapA, and ceuE, C. coli was the predominant species (87%) in porcine, whereas the rest of the isolates were identified as C. lanienae.
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KEYWORD
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Thermophilic Campylobacter, porcine, comparison of isolation method
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