Reclassification of ‘Thiobacillus prosperus’ Huber and Stetter 1989 as Acidihalobacter prosperus gen. nov., sp. nov., a member of the family Ectothiorhodospiraceae
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Analysis of phylogenomic metrics of a recently released draft genome sequence of the halotolerant, acidophile ‘Thiobacillus prosperus’ DSM 5130 indicates that it is not a member of the genus Thiobacillus within the class Betaproteobacteria as originally proposed. Based on data from 16S rRNA gene phylogeny, and analyses of multiprotein phylogeny and average nucleotide identity (ANI), we show that it belongs to a new genus within the family Ectothiorhodospiraceae, for which we propose the name Acidihalobacter gen. nov. In accordance, it is proposed that ‘Thiobacillus prosperus’ DSM 5130 be named Acidihalobacter prosperus gen. nov., sp. nov. DSM 5130T ( = JCM 30709T) and that it becomes the type strain of the type species of this genus.