July 7, 2019  |  

Complete genome sequence and comparative genomics of a novel Myxobacterium Myxococcus hansupus.

Authors: Sharma, Gaurav and Narwani, Tarun and Subramanian, Srikrishna

Myxobacteria, a group of Gram-negative aerobes, belong to the class d-proteobacteria and order Myxococcales. Unlike anaerobic d-proteobacteria, they exhibit several unusual physiogenomic properties like gliding motility, desiccation-resistant myxospores and large genomes with high coding density. Here we report a 9.5 Mbp complete genome of Myxococcus hansupus that encodes 7,753 proteins. Phylogenomic and genome-genome distance based analysis suggest that Myxococcus hansupus is a novel member of the genus Myxococcus. Comparative genome analysis with other members of the genus Myxococcus was performed to explore their genome diversity. The variation in number of unique proteins observed across different species is suggestive of diversity at the genus level while the overrepresentation of several Pfam families indicates the extent and mode of genome expansion as compared to non-Myxococcales d-proteobacteria.

Journal: PloS one
DOI: 10.1371/journal.pone.0148593
Year: 2016

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