NDLI: Aquimarina atlantica sp. nov., isolated from surface seawater of the Atlantic Ocean

Content Provider	Springer Nature Link
Author	Li, Guizhen Lai, Qiliang Sun, Fengqin Liu, Xiupian Xie, Yunbiao Du, Yaping Li, Guangyu Shao, Zongze
Copyright Year	2014
Abstract	A taxonomic study was carried out on strain 22II-S11-z7T, which was isolated from the surface seawater of the Atlantic Ocean. The bacterium was found to be Gram-negative, oxidase negative and catalase positive, long-rod shaped, and gliding. Growth was observed at salinities of 1–5 % and at temperatures of 10–41 °C. The isolate was capable of hydrolysing gelatin and Tween 80 and able to reduce nitrate to nitrite, but unable to degrade aesculin. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 22II-S11-z7T belongs to the genus Aquimarina, with highest sequence similarity to Aquimarina megaterium XH134T (98.31 %), followed by Aquimarina macrocephali JAMB N27T (96.59 %); other species of the genus Aquimarina shared 93.63–96.08 % sequence similarity. The ANI value between strain 22II-S11-z7T and A. megaterium XH134T was found to be 91.86–91.81 %. The DNA–DNA hybridization estimated value between strain 22II-S11-z7T and A. megaterium XH134T was 47.7 ± 2.6 %. The principal fatty acids were identified as Summed Feature 3 (C16:1 ω7c/ω6c, as defined by the MIDI system; 8.1 %), SummedFeature 9 (iso-C17:1 ω7c/C16:110-methyl; 6.8 %), iso-C15:0 G (11.3 %), iso-C15:0 (24.9 %), iso-C16:0 (5.7 %), C16:0 (5.2 %), iso-C15:0 3OH (6.4 %) and iso-C17:0 3OH (21.5 %). The G+C content of the chromosomal DNA was determined to be 32.99 mol %. The respiratory quinone was determined to be MK-6 (100 %). Phosphatidylethanolamine, two unidentified aminolipids, five unidentified phospholipids and two unidentified lipids were found to be present. The combined genotypic and phenotypic data show that strain 22II-S11-z7T represents a novel species within the genus Aquimarina, for which the name Aquimarina atlantica sp. nov. is proposed, with the type strain 22II-S11-z7T (=MCCC 1A09239T = KCTC 42003T).
Starting Page	293
Ending Page	300
Page Count	8
File Format	PDF
ISSN	00036072
Journal	Antonie van Leeuwenhoek
Volume Number	106
Issue Number	2
e-ISSN	15729699
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-06-07
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aquimarina atlantica sp. nov. Atlantic Ocean Taxonomy Surface seawater Microbiology Medical Microbiology Plant Sciences Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Microbiology

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