Ojha, Anup Kumar and Verma, Ashish and Pal, Yash and Bhatt, Deepak and Mayilraj, Shanmugam and Krishnamurthi, Srinivasan (2017) Marinomonas epiphytica sp. nov., isolated from a marine intertidal macroalga. International Journal of Systematic and Evolutionary Microbiology, 67 (8). pp. 2746-2751. ISSN 1466-5026
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A novel Gram-stain-negative, aerobic marine bacterial strain, SAB-3T, was isolated from brown macroalgae (Dictyota sp.) growing in the Arabian sea, Goa, India. The strain grew optimally at 30 °C, with 2.0-4.0 % (w/v) NaCl and at pH 7.0 on marine agar medium. Strain SAB-3T was unable to hydrolyse aesculin and did not grow in the presence of rifamycin but showed resistance to antibiotics such as cefadroxil and co-trimoxazole. The major fatty acids were summed feature 8 (C18 : 1ω7c/C18 : 1ω6c), summed feature 3 (C16 : 1ω7c/C16 : 1ω6c) and C16 : 0, and Q-8 was the major ubiquinone. The major polar lipids were phosphatidylglycerol and phosphatidylethanolamine. The DNA G+C content was 41.0 mol%. 16S rRNA gene sequencing and phylogenetic analysis indicated that the strain was a member of the genus Marinomonas with Marinomonas aquiplantarum IVIA-Po-159T (97.6 % similarity), Marinomonas posidonica IVIA-Po-181T (97.5 %) and Marinomonas dokdonensis DSM 17202T (97.4 %) as the closest relatives. Whole genome relatedness determined through DNA-DNA hybridization revealed values of 40-50 % (below the 70 % threshold recommended for species delineation) with the above three species, thus confirming it as representing a distinct and novel species of the genus Marinomonas for which the name Marinomonas epiphytica sp. nov. is proposed. The type strain is SAB-3T (=JCM 31365T=KCTC 52293T=MTCC 12569T).
| Item Type: | Article |
|---|---|
| Additional Information: | Copyright of this article belongs to Society for General Microbiology. |
| Uncontrolled Keywords: | Bacterial Typing Techniques Base Composition DNA, Bacterial/genetics;Fatty Acids/chemistry; |
| Subjects: | Q Science > QR Microbiology |
| Depositing User: | Dr. K.P.S.Sengar |
| Date Deposited: | 28 Mar 2018 05:10 |
| Last Modified: | 28 Mar 2018 05:10 |
| URI: | http://crdd.osdd.net/open/id/eprint/2049 |
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