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Int J Syst Evol Microbiol. 2012 Jan;62(Pt 1):55-60. doi: 10.1099/ijs.0.029728-0. Epub 2011 Feb 11.

Mucilaginibacter angelicae sp. nov., isolated from the rhizosphere of Angelica polymorpha Maxim.

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Biological Resources Center, KRIBB, Daejeon, Republic of Korea.


A Gram-negative-staining, non-motile rod, designated GG-w14(T), was isolated from the rhizosphere of Angelica polymorpha Maxim. Phylogenetic analysis of 16S rRNA gene sequences revealed that the isolate belonged to the genus Mucilaginibacter and exhibited 93.9-97.4% 16S rRNA gene sequence similarity with recognized members of the genus Mucilaginibacter (closest relative Mucilaginibacter gossypii Gh-67(T)). DNA-DNA relatedness between strain GG-w14(T) and M. gossypii KCTC 22380(T) was <41%. Strain GG-w14(T) grew at 4-35 °C, at pH 5.0-8.0 and with 0-1% (w/v) NaCl. The isolate hydrolysed casein, CM-cellulose and starch and contained menaquinone 7 as the major menaquinone. The major cellular fatty acids were summed feature 3 (C(16:1)ω7c and/or iso-C(15:0) 2-OH; 39.9%), iso-C(15:0) (24.2%) and iso-C(17:0) 3-OH (12.4%). The DNA G+C content was 42.5 mol%. These data suggest that strain GG-w14(T) should be considered as a representative of a novel species of the genus Mucilaginibacter, for which the name Mucilaginibacter angelicae sp. nov. is proposed. The type strain is GG-w14(T) (=KCTC 23250(T)=NCAIM B 02415(T)).

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