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Article citations


Thompson, J.D., Higgins, D.G., and Gibson, T.J. (1994) Clustal W: improving the sensitivity of progressive mul-tiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice. Nucleic Acids Research, 22, 4673-4680.

has been cited by the following article:

  • TITLE: Assessment of a short phylogenetic marker based on comparisons of 3' end 16S rDNA and 5' end 16S-23S ITS nucleotide sequences on the genus Xanthomonas

    AUTHORS: Sabarimatou Yakoubou, Jean-Charles Côté

    KEYWORDS: 16S rRNA; 16S-23S ITS; Phylogeny; Xanthomonas

    JOURNAL NAME: Natural Science, Vol.2 No.12, December 28, 2010

    ABSTRACT: A short phylogenetic marker previously used in the reconstruction of the Class γ-proteobacteria was assessed here at a lower taxa level, species in the genus Xanthomonas. This maker is 224 nucleotides in length. It is a combination of a 157 nucleotide sequence at the 3' end of the 16S rRNA gene and a 67 nucleotide sequence at the 5' end of the 16S-23S ITS sequence. A total of 23 Xanthomonas species were analyzed. Species from the phylogenetically related genera Xylella and Stenotrophomonas were included for com- parison purposes. A bootstrapped neighbor- joining phylogenetic tree was inferred from comparative analyses of the 224 bp nucleotide sequence of all 30 bacterial strains under study. Four major Groups were revealed based on the topology of the neighbor-joining tree, Group I to IV. Group I and II contained the genera Steno-trophomonas and Xylella, respectively. Group III included five Xanthomonas species: X. theicola, X. sacchari, X. albineans, X. transluscens and X. hyacinthi. This group of Xanthomonas species is often referred to as the hyacinthi group. Group IV contained the other 18 Xanthomonas species. The overall topology of the neighbor-joining tree was in agreement with currently accepted phylogenetic. The short phylogenetic marker used here could resolve species from three dif-ferent Xanthomonadacea genera: Stenotro-phomonas, Xylella and Xanthomonas. At the level of the Xanthomonas genus, distant spe-cies could be distinguished, and whereas some closely-related species could be distinguished, others were undistinguishable. Pathovars could not be distinguished. We have met the resolving limit of this marker: pathovars and very closely related species from same genus.