A DNA probe for the detection of Mycobacterium paratuberculosis.
作者信息
Ambrosio R E, Harris Y, Huchzermeyer H F
机构信息
Molecular Biology Section, Veterinary Research Institute, Onderstepoort, South Africa.
出版信息
Vet Microbiol. 1991 Jan;26(1-2):87-93. doi: 10.1016/0378-1135(91)90044-g.
PMID:2024441
Abstract
A genomic library of DNA extracted from Mycobacterium paratuberculosis was constructed in the expression vector lambda gt 11. The library was screened by plaque hybridization with labelled M. paratuberculosis genomic DNA as probe. Strongly hybridizing plaques were isolated and their DNA extracted and characterised for M. paratuberculosis specificity by hybridization to DNA from other Mycobacteriaceae. A clone was obtained which was specific for M. paratuberculosis. DNA from this clone could detect 7 ng M. paratuberculosis DNA.
摘要
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