@ARTICLE{TreeBASE2Ref29388, author = {Camila Gazolla Volpiano and Fernando Hayashi Sant'Anna and Adriana Ambrosini and Bruno Britto Lisboa and Luciano Kayser Vargas and Luciane MP Passaglia}, title = {Reclassification of Methylorubrum populi as a later heterotypic synonym of Methylorubrum thiocyanatum, and Methylobacterium phyllosphaerae as a later heterotypic synonym of Methylobacterium oryzae based on whole-genome sequence analysis.}, year = {2019}, keywords = {ANI; dDDH; genome-based taxonomy; methylobacteria; phylogenomics.}, doi = {}, url = {http://}, pmid = {}, journal = { International Journal of Systematic and Evolutionary Microbiology}, volume = {}, number = {}, pages = {}, abstract = {Phylogenetic analysis, genome average nucleotide identity (ANI), and digital DNA:DNA hybridization (dDDH) were used to investigate the taxonomic relationship between 18 type strains belonging to the genus Methylobacterium and the recently proposed genus Methylorubrum. Whole-genome comparisons demonstrated that the type strains Methylobacterium phyllosphaerae CBMB27T and Methylobacterium oryzae CBMB20T present a dDDH value of 90.5% and ANI values of 98.93?98.81%, which exceed the species delineation thresholds. These strains also formed well-supported clades in phylogenies reconstructed from the 16S rRNA, gyrB sequences and a concatenation of 139 sequences from single-copy ortholog genes. Similarly, Methylorubrum populi BJ001T and Methylorubrum thiocyanatum JCM 10893T were closely related in the reconstructed phylogenies and exhibit a high degree of genetic relatedness (dDDH: 83.1%, ANI: 98.19 ? 97.80%). Considering all above-mentioned results, Mtr. populi should be considered a later heterotypic synonym of Mtr. thiocyanatum, and Mtb. phyllosphaerae should be considered a later heterotypic synonym of Mtb. oryzae. This study highlights the need for taxonomic revisions based on whole-genome sequence analysis.} }

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