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Proceedings Paper

Detection and analysis of leptospiral DNA in early Leptospirosis by polymerase chain reaction and DNA hybridization with Digoxingenin-AMPPD
Author(s): Lang Bao; Ye-Rong Yu; W. J. Terpstra
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Paper Abstract

Fourteen serum specimens from patients with early Leptospirosis proven by blood culture and serological test were detected by PCR with the oligonucleotide primers obtained from a genomic library of leptospira interrogans. The amplified DNA were hybridized with the homologous DNA probe labeling with Digoxingenin-AMPPD. All of the samples revealed the presence of leptospira and the strong signals were visualized with homologous DNA probes hybridization. Negative and positive controls appeared correctly. The DNA fragment generated from PCR amplification homologically hybridized with the DNA of 16 strains of leptospira. The single recognized band (about 400 bps) from 6 out of the 16 strains has come out which are representative of the principal strains in Sichuan, China. The results demonstrated that PCR is an advanced diagnostic technique for early Leptospirosis. The treatment of samples is easy and has little risk of DNA loss and contamination. This is a considerable advantage over other detective techniques and can be available especially in China and other developing countries.

Paper Details

Date Published: 21 July 1994
PDF: 6 pages
Proc. SPIE 2136, Biochemical Diagnostic Instrumentation, (21 July 1994); doi: 10.1117/12.180795
Show Author Affiliations
Lang Bao, West China Univ. of Medical Sciences (China)
Ye-Rong Yu, West China Univ. of Medical Sciences (China)
W. J. Terpstra, Royal Tropical Institute (Netherlands)


Published in SPIE Proceedings Vol. 2136:
Biochemical Diagnostic Instrumentation
Robert F. Bonner; Gerald E. Cohn; Thomas M. Laue; Alexander V. Priezzhev, Editor(s)

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