IDENTIFICATION AND DIAGNOSIS OF LEISHMANIA-MEXICANA COMPLEX ISOLATES BY POLYMERASE CHAIN-REACTION

被引：40

作者：

ERESH, S ^{[1
]}

MCCALLUM, SM ^{[1
]}

BARKER, DC ^{[1
]}

机构：

[1] MRC, DEPT PATHOL, MOLTENO LABS, OUTSTN MIMR, CAMBRIDGE CB2 1QP, ENGLAND

来源：

PARASITOLOGY | 1994年 / 109卷

基金：

英国惠康基金;

关键词：

LEISHMANIA MEXICANA COMPLEX; POLYMERASE CHAIN REACTION; KINETOPLAST DNA; DIAGNOSIS OF LEISHMANIASIS;

D O I：

10.1017/S0031182000080677

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

Following cloning of Leishmania (L.) amazonensis kinetoplast DNA two recombinant clones were identified: one specific for L. (L.) amazonensis and the other specific for L. (L.) amazonensis and closely related isolates. DNA sequences from these clones were compared with those of other kinetoplastids and oligonucleotide primers were designed to be used in the polymerase chain reaction. A pair of these primers has been shown not only to be highly specific for L. mexicana complex isolates but can also be used to distinguish between L. (L.) mexicana and L. (L.) amazonensis isolates. These primers have been tested with water-lysed cultures, crude DNA extracts from human patients, potential host reservoirs, sandfly vectors and with cell pellets after isoenzyme characterization. The results of these tests indicate that the primers can be used specifically in the presence of excess host DNA originating from the majority of South American countries.

引用

页码：423 / 433

页数：11

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