April 21, 2020  |  

Allopseudarcicella aquatilis gen. nov., sp. nov., isolated from freshwater.

Authors: Kim, Haneul and Kang, Heeyoung and Joh, Kiseong

A Gram-stain-negative, rod-shaped and red-pigmented strain, HME7025T, was isolated from freshwater sampled in the Republic of Korea. Phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain HME7025T formed a lineage within the family Cytophagaceae of the phylum Bacteroidetes. Strain HME7025T was closely related to the genera Pseudarcicella, Arcicella and Flectobacillus. The 16S rRNA gene sequence similarity values of strain HME7025T were under 94.5?% to its closest phylogenetic neighbours. The major fatty acids of strain HME7025T were iso-C15?:?0 (41.9?%), summed feature 3 (comprising C16?:?1?7c and/or C16?:?1?6c; 12.2?%) and anteiso-C15?:?0 (10.8?%). The major respiratory quinone was menaquinone-7. The major polar lipids were phosphatidylethanolamine, two unidentified aminophospholipids and one unidentified polar lipid. The DNA G+C content of strain HME7025T was 37.9?mol%. On the basis of the evidence presented in this study, strain HME7025T represents a novel species of a novel genus within the family Cytophagaceae, for which the name Allopseudarcicella aquatilis gen. nov., sp. nov. is proposed. The type strain is HME7025T (=KCTC 23617T=CECT 7957T).

Journal: International journal of systematic and evolutionary microbiology
DOI: 10.1099/ijsem.0.003664
Year: 2019

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