Genetic structure of Trypanosoma cruzi in Central America and its comparison with South American strains

被引：12

作者：

Higo, H

Yanagi, T

Matta, V

Agatsuma, T

Kanbara, H

Tada, I

DeLeon, MP

Monroy, C

Tabaru, Y

机构：

[1] NAGASAKI UNIV, INST TROP MED, DEPT PROTOZOOL, NAGASAKI 852, JAPAN

[2] UNIV SAN CARLOS, FAC CIENCIAS QUIM & FARM, GUATEMALA CITY, GUATEMALA

[3] OBIHIRO UNIV AGR & VET MED, DEPT BIORESOURCE CHEM, OBIHIRO, HOKKAIDO 080, JAPAN

[4] MINIST SALUD PUBL & ASISTENCIA SOCIAL, DIV MALARIA, MISION JAPONESA, GUATEMALA CITY, GUATEMALA

来源：

INTERNATIONAL JOURNAL FOR PARASITOLOGY | 1997年 / 27卷 / 11期

关键词：

Trypanosoma cruzi; Chagas' disease; isozyme; population genetics;

D O I：

10.1016/S0020-7519(97)00097-0

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：

Genetic characterization by isozyme analysis was performed on 68 isolates of Trypanosoma cruzi; 57 from Guatemala in Central America and 11 from South American countries. Ten zymodemes (isozyme patterns) were identified by examining zymograms of 12 enzymes (13 loci). These zymodemes were classified to 3 major distinctive groups: (1) major Guatemalan, (2) minor Guatemalan and (3) unique South American, by the genetic distances and the phylogenetic dendrogram drawn by UPGMA. Based on the results obtained, genetic structures and phylogenetic relations of T. cruzi in Guatemala and South America are discussed. Clonal reproduction seemed to be consistent with the observation of deviation from Hardy-Weinberg equilibrium in several loci. (C) 1997 Australian Society for Parasitology. Published by Elsevier Science Ltd.

引用

页码：1369 / 1374

页数：6

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