Abstract
A Gram-stain-positive, strictly aerobic, rod-shaped, motile and endospore-forming bacterial strain, designated TEGR-3T, was isolated from the roots of Sinopodophyllum hexandrum collected from the Qinling Mountains in Shaanxi Province, China. Strain TEGR-3T produced siderophores and hydrolysed aesculin, starch and CM-cellulose. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TEGR-3T was a member of the genus Paenibacillus, exhibiting the highest sequence similarity to Paenibacillus endophyticus LMG 27297T (97.3 %) and Paenibacillus castaneae DSM 19417T (97.3 %). MK-7 was the only menaquinone detected and anteiso-C15 : 0 and C16 : 0 were the major fatty acids. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, two unidentified aminophospholipids, two unidentified phospholipids and an unidentified lipid. The cell-wall peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. The DNA G+C content was 45.2 mol%. DNA-DNA relatedness values for strain TEGR-3T with respect to its closest phylogenetic relatives Paenibacillus endophyticus LMG 27297T and Paenibacillus castaneae DSM 19417T were lower than 40 %. Based on the phenotypic, phylogenetic and genotypic data, strain TEGR-3T is considered to represent a novel species of the genus Paenibacillus, for which the name Paenibacillus sinopodophylli sp. nov. is proposed. The type strain is TEGR-3T (=CCTCC AB 2016047T=KCTC 33807T).
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More From: International journal of systematic and evolutionary microbiology
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