Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 53, Issue -, Pages 501-511Publisher
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.02371-0
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A group of 13 strains was isolated from samples of biofilm formation on the mural paintings of the Servilia tomb (necropolis of Carmona, Spain) and the Saint-Catherine chapel (castle at Herberstein, Austria). The strains were subjected to a polyphasic taxonomic study, including (GTG)(5)-PCR, 16S rDNA sequence analysis, DNA-DNA hybridizations, DNA base ratio determination, analysis of fatty acids, polar lipids and menaquinones and morphological and biochemical characterization. In a phylogenetic tree based on neighbour-joining of 16S rDNA sequences, the strains are divided in two major groups, representing three novel species according to DNA-DNA relatedness, that are positioned at approximately equal distances from Virgibacillus and Salibacillus. After comparison of the novel results with existing data, the transfer of the species of Salibacillus to Virgibacillus is proposed, with the resulting new combinations Virgibacillus marismortui comb. nov. and Virgibacillus salexigens comb. nov. Additionally, three novel species are described, for which the names Virgibacillus carmonensis sp. nov., Virgibacillus necropolis sp. nov. and Virgibacillus picturae sp. nov. are proposed. The respective type strains are LMG 20964(T) (= DSM 14868(T\)), LMG 19488(T) (= DSM 14866(T)) and LMG 19492(T) (=DSM 14867(T)). Finally, an emended description of the genus Virgibacillus is given.
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