Phylogenetic analyses of a new group of denitrifiers capable of anaerobic growth of toluene and description of Azoarcus tolulyticus sp. nov

International Journal of Systematic Bacteriology
J ZhouJ M Tiedje

Abstract

To understand the phylogeny and taxonomy of eight new toluene-degrading denitrifying isolates, we performed a 16S rRNA sequence analysis and a gas chromatographic analysis of their cellular fatty acids and examined some of their biochemical and physiological features. These isolates had 16s rRNA sequence signatures identical to those of members of the beta subclass of the Proteobacteria. The levels of similarity were as follows: 97.9 to 99.9% among the new isolates; 91.2 to 92.4% between the new isolates and Azoarcus sp. strain S5b2; 95.3 to 96.2% between the new isolates and Azoarcus sp. strain BH72; and 94.8 to 95.3% between the new isolates and Azoarcus indigens VB32T (T = type strain). Phylogenetic trees constructed by using the distance matrix, maximum-parsimony, and maximum-likelihood methods showed that our eight denitrifying isolates form a phylogenetically coherent cluster which represents a sister lineage of the previously described Azoarcus species. Furthermore, the fatty acid profiles, the cell morphology, and several physiological and nutritional characteristics of the eight isolates and the previously described members of the genus Azoarcus were also similar. In contrast to the previously described members of the ...Continue Reading

Citations

May 26, 2001·Applied and Environmental Microbiology·P Estrada-De Los SantosJ Caballero-Mellado
Mar 10, 2004·Applied and Environmental Microbiology·Jizhong ZhouJames M Tiedje
Jul 26, 2005·Applied Microbiology and Biotechnology·Ralf Rabus
Mar 6, 2007·Applied and Environmental Microbiology·Jianzhong HeLisa Alvarez-Cohen
Apr 20, 2011·Antonie van Leeuwenhoek·Lyudmila N Anan'inaElena G Plotnikova
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May 7, 2013·International Journal of Systematic and Evolutionary Microbiology·Ming-Hui ChenWen-Ming Chen
May 6, 2019·Antonie van Leeuwenhoek·Shih-Yao LinChiu-Chung Young
Sep 18, 2020·International Journal of Systematic and Evolutionary Microbiology·Shih-Yao LinChiu-Chung Young
Jan 5, 2002·Applied and Environmental Microbiology·Jizhong ZhouJames M Tiedje
Jun 6, 2003·Applied and Environmental Microbiology·Gesche Braker, James M Tiedje
Dec 3, 2004·Applied and Environmental Microbiology·Dawn E HolmesDerek R Lovley
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