Therapeutic Effects of Bacteriophages Against Salmonella gallinarum Infection in Chickens
분야
자연과학 > 생물
저자
( Ji Pseol Jeong ) , ( Jin Ju Lee ) , ( Suk Kim ) , ( Wongi Min ) , ( Hee Joon Myung )
발행기관
한국미생물생명공학회(구 한국산업미생물학회)
간행물정보
Journal of Microbiology and Biotechnology 2013년, 제23권 제10호, 1478~1483페이지(총6페이지)
파일형식
05212376.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    In this study the isolation and characterization of three bacteriophages (ST4, L13, and SG3) infecting Salmonella gallinarum were carried out. They were further tested for their in vivo efficacy in phage therapy. All three phages belong to the Siphoviridae family with isometric heads and non-contractile tails. They have a broad host range among serovars of Salmonella enterica. The burst sizes were observed to be 1670, 80, and 28 for ST4, L13, and SG3, respectively. The in vivo efficacy of the phages was tested in chickens. Layer chickens were challenged with S. gallinarum, whereas contact chickens were cohabited without direct challenge. Each bacteriophage was orally inoculated in the form of feed additives. Mortality was observed and S. gallinarum was periodically re-isolated from the livers, spleens, and cecums of the chickens. Bacterial re-isolation from the organs and mortality decreased significantly in both challenged and contact chickens treated with the bacteriophages compared with untreated chickens serving as the control. The three bacteriophages may be effective alternatives to antibiotics for the control of fowl typhoid disease in chickens.
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