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Re-classification of Clavibacter michiganensis subspecies on the basis of whole-genome and multi-locus sequence analyses.


ABSTRACT: Although the genus Clavibacter was originally proposed to accommodate all phytopathogenic coryneform bacteria containing B2? diaminobutyrate in the peptidoglycan, reclassification of all but one species into other genera has resulted in the current monospecific status of the genus. The single species in the genus, Clavibacter michiganensis, has multiple subspecies, which are all highly host-specific plant pathogens. Whole genome analysis based on average nucleotide identity and digital DNA-DNA hybridization as well as multi-locus sequence analysis (MLSA) of seven housekeeping genes support raising each of the C. michiganensis subspecies to species status. On the basis of whole genome and MLSA data, we propose the establishment of two new species and three new combinations: Clavibacter capsici sp. nov., comb. nov. and Clavibacter tessellarius sp. nov., comb. nov., and Clavibacter insidiosus comb. nov., Clavibacter nebraskensis comb. nov. and Clavibacter sepedonicus comb. nov.

SUBMITTER: Li X 

PROVIDER: S-EPMC5882085 | BioStudies | 2018-01-01T00:00:00Z

REPOSITORIES: biostudies

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