PMID: 7538094Dec 1, 1994Paper

Transcript expression of the CPL 5x, BMD-3A, BMD-10 Interrogans leptospira

Hua xi yi ke da xue xue bao = Journal of West China University of Medical Sciences = Huaxi yike daxue xuebao
M ZhangS Li

Abstract

Total RNA of Leptospira interrogans SV Lai strain 017 was prepared by the method of Licl-Urea, and was used in dot hybridization with biotin-labelled DNA probes. The probes included BMD-3A, BMD-10, which were the leptospirial protective antigen genes, and CPL 5x, which was the genus specific gene of interrogans Leptospira. All of the three probes have shown various degrees of hybridization signs, proving that they all have transcript expression in leptospira. The transcript expression is the main way of regulating the gene expression in procaryotae, and it is significant in molecular genetics of Leptospira. The results indicate that the antigens encoded by the BMD-3A, BMD-10 may play an important role in immune reaction against leptospiral infection and provide a clue to the development of gene-engineering vaccine. The results also suggest that the antibody against the antigen encoded by CPL 5x is a useful tool in the classification of Leptospira interrogans.

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