Methylobacterium gossipiicola sp nov., a pink-pigmented, facultatively methylotrophic bacterium isolated from the cotton phyllosphere

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A pink, aerobic, facultatively methylotrophic, motile, Gram-negative rod, designated Gh-105(T), was isolated from the phyllosphere of cotton from Coimbatore (Tamilnadu, India). 16S rRNA gene sequence analysis showed clearly that the isolate belonged to the Methylobacterium cluster. Strain Gh-105(T) was most closely related to Methylobacterium adhaesivum AR27(T) (99% 16S rRNA gene sequence similarity) and Methylobacterium iners 5317S-33(T) (97.5%). The isolate grew with C-1 compounds such as methanol and dichloromethane, but not with formaldehyde, formate, methylamine, trimethylamine or methane, as sole carbon sources and carried mxaF, which encodes methanol dehydrogenase and supports methylotrophic metabolism. The major fatty acid was C-18 : 1 omega 7c and the G + C content of the genomic DNA was 64.2 molo/o. Physiological and biochemical data and DNA DNA relatedness with M. adhaesivum KACC 1 2195(T) and M. iners KACC 11765(T) revealed clear phenotypic and genotypic differences. For this reason, we propose that strain Gh-105(T) (=CCM 7572(T) =NRRL B-51692(T)) represents the type strain of a novel species, with the name Methylobacterium gossipiicola sp. nov.


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  • Brassica napus
  • Gossypium
  • Xylella fastidiosa


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