Undibacterium macrobrachii sp. nov., isolated from a freshwater shrimp culture pond
Sheu, Shih-Yi and Lin, Yang-Shun and Chen, Jhen-Ci and Chen, Wen-Ming,, 64, 1036-1042 (2014),
doi = https://doi.org/10.1099/ijs.0.057661-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A bacterial strain designated CMJ-9T was isolated from a freshwater shrimp culture pond in Taiwan and characterized using a polyphasic taxonomic approach. Cells of strain CMJ-9T were strictly aerobic, Gram-negative, motile by a single polar flagellum, poly-β-hydroxybutyrate-containing and formed light-yellow colonies. Growth occurred at 10–37 °C (optimum, 20–30 °C), with 0–0.8 % NaCl (optimum, 0–0.1 %) and at pH 6.0–9.0 (optimum, pH 6.0–7.0). Phylogenetic analyses based on 16S rRNA gene sequences showed that strain CMJ-9T belonged to the genus Undibacterium , and its closest neighbour was Undibacterium seohonense SHS5-24T, with 96.7 % sequence similarity. The predominant cellular fatty acids were summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and C16 : 0. The major cellular hydroxy fatty acid was C10 : 0 3-OH. The polar lipid profile consisted of the predominant lipids phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. The polyamine profile was composed of the major compound putrescine and moderate amounts of 2-hydroxyputrescine. The major respiratory quinone was Q-8 and the DNA G+C content was 47.7 mol%. On the basis of the phylogenetic and phenotypic data, strain CMJ-9T should be classified within a novel species, for which the name Undibacterium macrobrachii sp. nov. is proposed. The type strain is CMJ-9T ( = BCRC 80406T = LMG 26891T = KCTC 23916T).,
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