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Abstract

Strain N5SSJ16, a Gram-negative-staining, non-spore-forming, rod-shaped, non-motile bacterium, was isolated from Haloxylon ammodendron stems. The strain grew in the presence of 0–4 % (w/v) NaCl (optimum growth in the absence of NaCl), at pH 7–9 (optimum: pH 8) and at 12–50 °C. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain N5SSJ16 was related phylogenetically to Parapedobacter composti 4M40 (96.5 %) and Parapedobacter luteus 4M29 (95.9 %). The cellular fatty acids were iso-C15 : 0, summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c), summed feature 9 (C16 : 0 10-methyl and/or iso-C17 : 1ω9c) and iso-C17 : 0 3-OH. MK-7 was the respiratory quinone. The main polar lipids were phosphatidylethanolamine, unidentified aminophospholipid and two unknown lipids. The G+C content of the DNA was 45.8 mol%. On the basis of chemotaxonomic, phylogenetic and phenotypic evidence, strain N5SSJ16 represents a novel species of the genus Parapedobacter , for which the name Parapedobacter deserti sp. nov. is proposed. The type strain is N5SSJ16 (=ACCC 19928=KCTC 52416).

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2017-07-13
2019-10-14
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