Sensitive detection of Renibacterium salmoninarum in whole fry, blood, and other tissues of pacific salmon by reverse transcription-polymerase chain reaction.
{"title":"Sensitive detection of Renibacterium salmoninarum in whole fry, blood, and other tissues of pacific salmon by reverse transcription-polymerase chain reaction.","authors":"L D Rhodes, W B Nilsson, M S Strom","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A sensitive, reproducible assay for detecting Renibacterium salmoninarum in a variety of tissues, including blood, has been developed. This assay, based on reverse transcription-polymerase chain reaction (RT-PCR) of 16S ribosomal RNA, exhibited sensitivity to </=10 cells per milligram of tissue by ethidium bromide detection, and this sensitivity was increased 10-fold by Southern blotting. There was a strong association (p <.001) between blood and ovarian fluid for the presence of bacteria in spawning salmon, and in 17.9% of the infected fish, bacteria were detected in blood but not in ovarian fluid. The ability to analyze multiple tissues, the reproducibility, and sensitivity of 16S RT-PCR make it a useful tool for both research and husbandry applications.</p>","PeriodicalId":77273,"journal":{"name":"Molecular marine biology and biotechnology","volume":"7 4","pages":"270-9"},"PeriodicalIF":0.0000,"publicationDate":"1998-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Molecular marine biology and biotechnology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A sensitive, reproducible assay for detecting Renibacterium salmoninarum in a variety of tissues, including blood, has been developed. This assay, based on reverse transcription-polymerase chain reaction (RT-PCR) of 16S ribosomal RNA, exhibited sensitivity to
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