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  • Title: [Analysis of 16S rDNA sequences and DNA-DNA hybridization of moderately halophilic bacteria from Xinjiang region].
    Author: Zeng J, Dou Y, Wang L, Yang S.
    Journal: Wei Sheng Wu Xue Bao; 2002 Apr; 42(2):133-7. PubMed ID: 12557387.
    Abstract:
    Based on the previous studies on numerical taxonomy and 16S rDNA PCR-RFLP analysis, the moderately halophilic bacteria isolated from Xinjiang Region constituted a new cluster, and the phylogenetic tree was constructed by comparing with the 16S rDNA sequences of the other moderately halophilic bacteria species. In the phylogenetic tree, most of the reference strains were clustered in a group, and the similarity values of 16S rDNA sequence were above 96%. However, AI-3, Alcanivorax borkumensis and Halobacillus litoralis were clustered in another group, and the similarity value of 16S rDNA sequences between AI-3 and Alcanivorax borkumensis was 96%, and that of 16S rDNA sequences between AI-3 and Halobacillus litoralis was 99%. The results indicated that AI-3 was different from the reference strains in phylogeny. The values of DNA homology in the new cluster were more than 70%, but the value between AI-3 and Halomonas elongata was less than 50%. Thus, the strain AI-3 possibly represent a new moderately halophilic bacteria species.
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