| Literature DB >> 15211001 |
Eva Zemanová1, Milan Jirků, Isabel L Mauricio, Michael A Miles, Julius Lukes.
Abstract
Random amplified polymorphic DNA (RAPD) was used to detect intraspecific diversity for the Leishmania donovani complex. Fifty-two decameric to 21-meric primers of arbitrary sequence were applied to 15 strains that belong to nine zymodemes. Strains belonging to the species L. major and L. tropica were used as outgroups. A total of 902 amplicons generated by RAPD were scored. Most primers produced species-specific profiles, only 0.6% amplicons were shared by all species, while 4.3% amplicons were common for all 15 strains of the L. donovani complex. Well-supported trees have been constructed, which show a rather strong correlation between the genetic polymorphism of studied strains and their geographic origin. In all obtained trees, L. infantum was paraphyletic. The RAPD profiles suggest that MON-30 belongs to L. donovani. Moreover, the genetic distance between the L. archibaldi strain and other leishmanias does not warrant existence of a separate species.Entities:
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Year: 2004 PMID： 15211001
Source DB: PubMed Journal: Am J Trop Med Hyg ISSN： 0002-9637 Impact factor: 2.345