RT Journal Article
T1 Roseovarius bejariae sp. nov., a moderately halophilic bacterium isolated from a hypersaline steep-sided river bed.
A1 Castro, David J.
A1 Gómez-Altuve, Andreína
A1 Reina, José Carlos
A1 Sampedro, Inmaculada
A1 Llamas, Inmaculada
A1 Rodríguez-González, Miguel Ángel
A1 Sampedro, Inmaculada
A1 Llamas, Inmaculada
A1 Martínez-Checa, Fernando
K1 Bacterias - Clasificación
K1 Bacterias halofilas
K1 Suelos - Salinidad
AB An aerobic, Gram-stain-negative ovoid, designated as strain A21T, was isolated using the dilution-to-extinction method from asoil sample taken from Rambla Salada, an athalassohaline habitat located in Murcia (south-eastern Spain). Strain A21T is nonmotile, has a respiratory metabolism and grows at NaCl concentrations within the range 0.5–15% (w/v) [optimum, 5% (w/v)], at5–35°C (optimum, 28°C) and at pH 6–8 (optimum, pH 7.0). This strain is positive for catalase activity, oxidase activity and nitratereduction. The 16S rRNA gene sequence indicates that it belongs to the genus Roseovarius in the class Alphaproteobacteria. Themost closely related species are Roseovarius pacificus and Roseovarius halotolerans to which the strain A21T shows 16S rRNAgene sequence similarity values of 98.06 and 97.7%, respectively. The average nucleotide identity in blast and digital DNA–DNAhybridization values between strain A21T and R. pacificus LMG 24575T are 76.8 and 21%, respectively. The DNA G+C contentbased on the genome is 61.28mol%. The major fatty acids (>5% of the total fatty acids) of strain A21T are C18:1ω7c/C18:1ω6cand C16:0. The only detected isoprenoid quinone in strain A21T is ubiquinone 10 (Q-10). The polar lipid profile contains phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and three unidentified polar lipids. Based on the phylogenetic,genotypic, phenotypic and chemotaxonomic data, the strain represents a novel species of the genus Roseovarius, for which thename Roseovarius bejariae sp. nov. is proposed. Strain A21T (=CECT 9817T=LMG 31311T) is the type strain.
PB Microbiology Society
YR 2020
FD 2020-04-08
LK https://hdl.handle.net/10630/40463
UL https://hdl.handle.net/10630/40463
LA eng
NO Castro et al., Int. J. Syst. Evol. Microbiol. 2020;70:3194–3201 DOI 10.1099/ijsem.0.004154
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 20 ene 2026