Nubsella zeaxanthinifaciens gen. nov., sp. nov., a zeaxanthin-producing bacterium of the family Sphingobacteriaceae isolated from freshwater
Asker, Dalal and Beppu, Teruhiko and Ueda, Kenji,, 58, 601-606 (2008),
doi = https://doi.org/10.1099/ijs.0.65493-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A yellow-pigmented, Gram-negative, strictly aerobic, rod-shaped bacterium (TDMA-5T) was isolated from a freshwater sample collected at Misasa (Tottori, Japan). The DNA G+C content was 38.6 mol%. Major fatty acids were iso-C15 : 0, iso-C17 : 0 3-OH and summed feature 4 (iso-C15 : 0 2-OH and/or C16 : 1 ω7c). MK-7 was the predominant respiratory quinone. Zeaxanthin was the major carotenoid pigment produced; flexirubin-type pigments were not produced. TDMA-5T was sensitive to gamma-irradiation. The strain degraded gelatin, casein, starch, Tween 80 and DNA. Phylogenetic analysis based on the 16S rRNA gene sequence placed TDMA-5T in a distinct lineage in the family Sphingobacteriaceae, sharing 89.4–93.4 % sequence similarity with members of the nearest genus Pedobacter. Strain TDMA-5T could be distinguished from the other members of the family Sphingobacteriaceae by a number of chemotaxonomic and phenotypic characteristics. Based on its unique phenotypic, genotypic and phylogenetic features, strain TDMA-5T represents a novel genus and species, for which the name Nubsella zeaxanthinifaciens gen. nov., sp. nov. is proposed. The type strain of Nubsella zeaxanthinifaciens is TDMA-5T (=NBRC 102579T =CCUG 54348T).,
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