Re-classification of Clavibacter Michiganensis Subspecies on the Basis of Whole-genome and Multi-locus Sequence Analyses

Overview

Journal Int J Syst Evol Microbiol

Specialty Microbiology

Date 2017 Nov 22

PMID 29160202

Citations 30

Authors

Xiang Li

James Tambong

Kat Xiaoli Yuan

Wen Chen

HuiMin Xu

C Andre Levesque

Solke H De Boer

Affiliations

Soon will be listed here.

Abstract

Although the genus Clavibacter was originally proposed to accommodate all phytopathogenic coryneform bacteria containing B2γ 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.

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