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- Title
Luteibacter pinisoli sp. nov., a casein degrading bacterium isolated from rhizospheric soil of Pinus koraiensis.
- Authors
Akter, Shahina; Huq, Md. Amdadul
- Abstract
A yellow pigmented, Gram-staining negative, motile and rod-shaped novel bacterial strain, designated MAH-14T was isolated from rhizospheric soil and was characterized using a polyphasic approach. The isolated strain was aerobic, oxidase and catalase were positive, optimum growth temperature and pH were 28-30 °C and 6.5, respectively. The novel strain is able to hydrolyze casein, starch, esculin, gelatin, L-tyrosine, DNA, tween 80, tween 20, L-arginine and 4-nitrophenyl-BD-galactopyranoside. On the basis of 16S rRNA gene sequence analysis, strain MAH-14T belongs to the genus Luteibacter and is most closely related to Luteibacter yeojuensis R2A16-10T (98.5%), Luteibacter anthropi CCUG 25036T (98.4%) and Luteibacter rhizovicinus LJ96T (98.3%). In DNA-DNA hybridization experiments, the DNA relatedness between strain MAH-14T and its closest phylogenetic neighbor was below 45.0%. The predominant respiratory quinone and the DNA G + C content of the novel strain were ubiquinone-8 and 63.5 mol%, respectively. The novel strain MAH-14T is able to produce flexirubin-type pigments. The major cellular fatty acids were C15:0 iso, summed feature 3 (C16:1 ω7c and/or C16:1 ω6c) and summed feature 9 (C17:1 iso ω9c and/or C16:0 10-methyl). The DNA-DNA hybridization results and results of the genotypic analysis in combination with chemotaxonomic and physiological data revealed that strain MAH-14T represented a novel species within the genus Luteibacter, for which the name Luteibacter pinisoli, is proposed. The type strain is MAH-14T (= KACC 19298T = CGMCC 1.16227T).
- Subjects
PINUS koraiensis; RHIZOSPHERE; SOIL microbiology; BACTERIAL pigments; CASEINS; OXIDASES; BIODEGRADATION
- Publication
Archives of Microbiology, 2018, Vol 200, Issue 7, p1017
- ISSN
0302-8933
- Publication type
Article
- DOI
10.1007/s00203-018-1515-1