Volume 70, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


We report results of the first study to investigate the distribution and diversity of in rodents from Thailand. Whole blood from 195 rodents, representing six species, was tested for the presence of species using standard culture techniques. Isolates were obtained from 17 (8.7%) of the samples, and 14 of those isolates represented distinct strains, based upon partial sequencing of the citrate synthase () gene. Phylogenetic analysis of the isolates and other species indicated that five unique isolates from form a cluster that may represent a new species. Two additional isolates from clustered together, and were nearly identical to an isolate from collected in southern China. Importantly, a number of the isolates from Thailand rodents are closely related to and , species which have been associated with human illness.


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  • Received : 06 Nov 2003
  • Accepted : 14 Dec 2003

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