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  • Title: Agromyces agglutinans sp. nov., isolated from saline lake sediment.
    Author: Yi BF, Xia TT, Niu MM, Zhao ZY, Su QY, Ming H, Nie GX.
    Journal: Int J Syst Evol Microbiol; 2022 Jan; 72(1):. PubMed ID: 35085062.
    Abstract:
    A novel actinobacterium, designated strain CFH 90414T, was isolated from sediment sampled at a saline lake in Yuncheng, Shanxi, PR China. The taxonomic position of the strain was investigated by using a polyphasic approach. Cells of strain CFH 90414T were Gram-reaction-positive, aerobic and non-motile. Growth occured at 4-40 °C, pH 5.0-9.0 and in the presence of up to 0-3.0 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CFH 90414T was a member of the genus Agromyces. The 16S rRNA gene sequence similarity analysis indicated that strain CFH 90414T was most closely related to Agromyces italicus JCM 14320T (98.07 %) and Agromyces lapidis JCM 14321T (97.18 %). The whole genome of CFH 90414T was 3.64 Mb, and showed a G+C content of 71.5 mol%. The average nucleotide identity (ANI) values and digital DNA-DNA hybridization (dDDH) values between CFH 90414T and the other species of the genus Agromyces were found to be low (ANI <78.99 % and dDDH <22.9 %). The whole-cell sugars were rhamnose, mannose, ribose, glucose and galactose. The isolate contained l-2,4-diaminobutyric acid, d-alanine, d-glutamic acid and glycine in the cell-wall peptidoglycan. The predominant menaquinone was MK-12. The major cellular fatty acids were anteiso-C15 : 0, anteiso-C17 : 0 and iso-C16 : 0. The polar lipid profile contained diphosphatidylglycerol, phosphatidylglycerol and an unidentified glycolipid. On the basis of phenotypic, genotypic and phylogenetic data, strain CFH 90414T is considered to represent a novel species of the genus Agromyces, for which the name Agromyces agglutinans sp. nov. is proposed. The type strain is CFH 90414T (=DSM 105966T=KCTC 49062T).
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