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  • Title: Paracoccus mangrovi sp. nov., isolated from a mangrove.
    Author: Chen WM, Li YS, Young CC, Sheu SY.
    Journal: Int J Syst Evol Microbiol; 2017 Aug; 67(8):2689-2695. PubMed ID: 28809137.
    Abstract:
    A bacterial strain, designated gyp-1T, was isolated from a mangrove in Taiwan and characterized using the polyphasic taxonomic approach. Cells of gyp-1T were Gram-staining-negative, aerobic, poly-β-hydroxybutyrate-accumulating, non-motile, coccoid or short-rod-shaped and formed cream-coloured colonies. Growth occurred at 15-37 °C (optimum, 25-30 °C), at pH 5.5-7.0 (optimum, pH 6.0) and with 0-4 % NaCl (optimum, 1-2 %). Phylogenetic analyses based on 16S rRNA gene sequences indicated that gyp-1T represented a member of the genus Paracoccus and showed the highest levels of sequence similarity with respect to Paracoccus lutimaris HDM-25T (97.8 %) and Paracoccus aminovorans DM-82T (97.7 %). The major fatty acids (>10 %) of gyp-1T were C18 : 1ω7c and C16 : 0. The polar lipid profile consisted of phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, diphosphatidylglycerol, an unidentified glycolipid and two unidentified phospholipids. The major isoprenoid quinone was Q-10. The DNA G+C content was 64.6 mol%. The DNA-DNA hybridization value for gyp-1T with P. lutimaris HDM-25T and P. aminovorans DM-82T was less than 50 %. Differential phenotypic properties, together with the phylogenetic inference, demonstrate that gyp-1T should be classified as representing a novel species of the genus Paracoccus, for which the name Paracoccus mangrovi sp. nov. is presented. The type strain is gyp-1T (=BCRC 80920T=LMG 29172T=KCTC 42899T).
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