NDLI: Marinobacter persicus sp. nov., a moderately halophilic bacterium from a saline lake in Iran

Content Provider	Springer Nature Link
Author	Bagheri, Maryam Amoozegar, Mohammad Ali Didari, Maryam Makhdoumi Kakhki, Ali Schumann, Peter Spröer, Cathrin Sánchez Porro, Cristina Ventosa, Antonio
Copyright Year	2013
Abstract	A Gram-negative, non-endospore-forming, rod shaped, strictly aerobic, moderately halophilic bacterium, designated strain M9BT, was isolated from the hypersaline lake Aran-Bidgol in Iran. Cells of strain M9BT were found to be motile and produce colonies with an orange-yellow pigment. Growth was determined to occur between 5 and 20 % (w/v) NaCl and the isolate grew optimally at 7.5–10 % (v/w) NaCl. The optimum pH and temperature for growth of the strain were determined to be pH 7.0 and 35 °C, respectively, while it was able to grow over pH and temperature ranges of 6–8 and 25–45 °C, respectively. Phylogenetic analysis based on the comparison of 16S rRNA gene sequences revealed that strain M9BT is a member of the genus Marinobacter. The closest relative to this strain was found to be Marinobacter hydrocarbonoclasticus MBIC 1303T with a similarity level of 97.7 %. DNA–DNA hybridization between the novel isolate and this phylogenetically related species was 13 ± 2 %. The major cellular fatty acids of the isolate were identified as C16:0, C19:1 ω6c, C18:1 ω9c and C16:1 ω9c. The polar lipid pattern of strain M9BT was determined to consist of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylserine and three phospholipids. Ubiquinone 9 (Q-9) was the only lipoquinone detected. The G+C content of the genomic DNA of this strain was determined to be 58.6 mol%. Phenotypic characteristics, phylogenetic analysis and DNA–DNA relatedness data suggest that this strain represents a novel species of the genus Marinobacter, for which the name Marinobacter persicus sp. nov. is proposed. The type strain of Marinobacter persicus is strain M9BT (=IBRC-M 10445T = CCM 7970T = CECT 7991T = KCTC 23561T).
Starting Page	47
Ending Page	54
Page Count	8
File Format	PDF
ISSN	00036072
Journal	Antonie van Leeuwenhoek
Volume Number	104
Issue Number	1
e-ISSN	15729699
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-04-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Marinobacter persicus Hypersaline lake Moderately halophilic bacterium Polyphasic taxonomy Microbiology Medical Microbiology Plant Sciences Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Microbiology

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