Abstract
Based on the 16S rRNA gene sequences similarity of > 99.8%, the phylogeny of 88 Paraburkholderia strains was reconstructed. Further, they were subjected to overall genome-related indices (OGRI), which resulted in the identification of distinct pairs of species that were closely related. A pair consist of the type strains of Paraburkholderia insulsa and Paraburkholderia fungorum possessed a dDDH value of 87.9%, correspondingly, and the average nucleotide identity (ANI) value was 98.5%. Based on the phylogenetic analysis, OGRI and phenotypical evidence, P. insulsa was proposed as a later heterotypic synonym of P. fungorum. Furthermore, a pair comprising type strains of Paraburkholderia terrae and Paraburkholderia steynii possessed dDDH and ANI values of 71.2% and 96.6%, respectively, and difference in phenotypic traits, which supports a subspecies proposal within these taxa. Thus, the recently described Paraburkholderia steynii wasproposed into two subspecies namely Paraburkholderia terrae subsp terrae subsp. nov and as Paraburkholderiaterraesubsp. steynii subsp. nov.
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