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  • Title: Zunongwangia mangrovi sp. nov., isolated from mangrove (Avicennia marina) rhizosphere, and emended description of the genus Zunongwangia.
    Author: Rameshkumar N, Krishnan R, Lang E, Matsumura Y, Sawabe T, Sawabe T.
    Journal: Int J Syst Evol Microbiol; 2014 Feb; 64(Pt 2):545-550. PubMed ID: 24126636.
    Abstract:
    A Gram-stain-negative, strictly aerobic, slightly halophilic, non-motile and rod-shaped bacterial strain, designated P2E16(T), was isolated from mangrove (Avicennia marina) rhizosphere, collected at Devipattinam mangroves, Tamil Nadu, India. Strain P2E16(T) grew optimally at pH 7.0-8.0, at 25-28 °C and in the presence of 2-3% (w/v) NaCl. 16S rRNA gene analysis showed that strain P2E16(T) was phylogenetically closely related to the genus Zunongwangia, with Zunongwangia profunda SM-A87(T) as the closest related type strain (98.2% 16S rRNA gene sequence similarity) and less than 93% 16S rRNA gene sequence similarity to all other members of the family Flavobacteriaceae. Strain P2E16(T) contained MK-6 as the major respiratory quinone, phosphatidylethanolamine as the predominant polar lipid and iso-C(15 : 0) (17.8%), iso-C(17 : 0) 3-OH (15.1%), C(15 : 0) (12.8%), iso-C(17 : 1)ω9c (9.8%), iso-C(15 : 1) G (9.0%), and summed feature 3 (comprising C(16 : 1)ω7c and/or iso-C(15 : 0) 2-OH; 7.1%) as the major fatty acids. The DNA G+C content was 34.3 mol%. Differential phenotypic properties, together with the phylogenetic distinctiveness and low DNA-DNA relatedness demonstrated that strain P2E16(T) was distinct from the type strain of Zunongwangia profunda. On the basis of these presented data, strain P2E16(T) is considered to represent a novel species of the genus Zunongwangia, for which the name Zunongwangia mangrovi sp. nov. is proposed. The type strain is P2E16(T) ( = DSM 24499(T) = LMG 26237(T) = KCTC 23496(T)). An emended description of the genus Zunongwangia is also provided.
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