Strain CC-SEYA-1, a motile, Gram-negative, non-violet-pigmented bacterium, was isolated on nutrient agar from spring-water samples collected from Yang-Ming Mountain, Taipei County, Taiwan. 16S rRNA gene sequence studies showed that the strain clustered with (96.8 % similarity) and (96.5 % similarity), followed by (95.8 % similarity). The fatty acid profile was slightly different from those reported for , and . The results of DNA–DNA hybridization, and physiological and biochemical tests allowed both genotypic and phenotypic differentiation of the isolate from the described species. It is evident from the data obtained that the strain should be classified as a novel species in the genus . The name proposed for this taxon is sp. nov.; the type strain is CC-SEYA-1 (=CCUG 55175=BCRC 17769).


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