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Strain YIM 132242T, isolated from lichen collected from Pu'er, Yunnan Province, China, was short-rod-shaped, Gram-reaction-negative, aerobic, catalase- and oxidase-positive. Growth of the strain was occurred at 10-39 °C (optimum, 28-35 °C), at pH 4.0-10.0 (optimum, pH 7.0-8.0) and at salinities of 0-8% (w/v) NaCl (optimum, 0-2%). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain YIM 132242T belonged to the genus Paracoccus and had the highest levels of sequence similarity to Paracoccus aerius KCTC 42845T (97.0% similarity), Paracoccus sediminis CMB17T (96.8% similarity), and Paracoccus fontiphilus MVW-1T (96.4% similarity). The major fatty acid was identified as C18:1 ω7c (77.6%). The predominant respiratory quinone was ubiquinone-10 (Q-10). Polar lipid analysis indicated the presence of phosphatidylglycerol (PG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), diphosphatidylglycerol (DPG), an unidentified lipid (L), and three unidentified phospholipids (PL1-PL3). Based on the draft genome sequence, the DNA G + C content of the strain was 67.1 mol%, and the values of average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) of strain YIM 132242T with Paracoccus aerius KCTC 42845T were 85.4% and 29.1%, respectively. On the basis of the data from this polyphasic characterization, strain YIM 132242T represents a novel species of the genus Paracoccus, for which the name Paracoccus lichenicola sp. nov. is proposed. The type strain is YIM 132242T (= KCTC 72463T = CGMCC1.17191T).


Lei Lang, De-Feng An, Long-Qian Jiang, Gui-Ding Li, Li-Song Wang, Xin-Yu Wang, Qin-Yuan Li, Cheng-Lin Jiang, Yi Jiang. Paracoccus lichenicola sp. nov., Isolated from Lichen. Current microbiology. 2021 Feb;78(2):816-821

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PMID: 33388938

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