Planomicrobium iranicum sp. nov., a novel slightly halophilic bacterium isolated from a hypersaline wetland
Ramezani, Mohaddaseh and Nikou, Mahdi Moshtaghi and Pourmohyadini, Mohammad and Spröer, Cathrin and Schumann, Peter and Harirchi, Shrareh and Aryaefar, Mahnaz and Fazeli, Seyed Abolhassan Shahzadeh and Amoozegar, Mohammad Ali and Ventosa, Antonio,, 69, 1433-1437 (2019),
doi = https://doi.org/10.1099/ijsem.0.003332,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A novel strain, designated as MX6T was isolated from Meighan wetland, in the centre of Iran. The cells were Gram-stain-positive, motile, coccoid to rod-shaped, oxidase- and catalase-positive. The strain grew optimally at 35 °C, 3 % (w/v) NaCl and pH 7–7.5. A polyphasic taxonomic study was undertaken in order to characterize the strain in detail. The results of phylogenetic analysis based on 16S rRNA gene sequences indicated that MX6T represented a member of the phylum Firmicutes , family Planococcaceae , genus Planomicrobium , and showed the highest similarity with Planomicrobium flavidum ISL-41T (98.2 %) and Planomicrobium psychrophilum CMC 53orT (98.0 %). The main polar lipids of MX6T consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and seven unidentified phospholipids and its DNA G+C content was 45.5 mol%. Major cellular fatty acids were anteiso-C15 : 0, C16 : 1ω7c alcohol, iso-C14 : 0, iso-C15 : 0 and iso-C16 : 0 and the predominant respiratory quinone was Q-8 (62 %). Experimental DNA–DNA hybridization between MX6T and Planomicrobium flavidum IBRC-M 11047T was 20 %, supporting the differential taxonomic status of MX6T as representing a different taxon. All these data indicate that MX6T represents a novel species of the genus Planomicrobium , for which the name Planomicrobium iranicum sp. nov. is proposed. The type strain is MX6T (=IBRC M 10928T=LMG 28548T).,
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