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Int J Syst Evol Microbiol. 2017 Oct;67(10):3951-3959. doi: 10.1099/ijsem.0.002227. Epub 2017 Sep 14.

Luteolibacter gellanilyticus sp. nov., a gellan-gum-degrading bacterium of the phylum Verrucomicrobia isolated from miniaturized diffusion chambers.

Author information

1
Fundación MEDINA, Avenida del Conocimiento 34, Health Sciences Technology Park, 18016 Granada, Spain.
2
†​Present address: Department of Microbial Ecology and Diversity Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstr. 7 B, 38124 Braunschweig, Germany.

Abstract

A novel chemo-organoheterotrophic bacterium, strain CB-286403T, was isolated from a Mediterranean forest soil, collected at Sierra de Tejeda, Almijara and Alhama Natural Park, Spain, by using the Diffusion Sandwich System, a device with 384 miniature diffusion chambers. The 16S rRNA gene sequence analyses identified the isolate as a member of the genus Luteolibacter where the type strains Luteolibacterpohnpeiensis A4T-83T (GenBank acc. no. AB331895), Luteolibacteryonseiensis EBTL01T (JQ319003), Luteolibacterluojiensis DR4-30T (JN630810) and Luteolibacteralgae A5J-41-2T (AB331893) were the closest relatives with similarities of 97.0, 96.3, 96.3 and 94.5 %, respectively. The novel isolate was characterized as a Gram-stain-negative, non-motile, short-rod-shaped bacterium. The strain showed a positive response for catalase and cytochrome-c oxidase, divided by binary fission and/or budding, and exhibited an aerobic metabolism. Strain CB-286403T showed a mesophilic and neutrophilic growth range and showed a nutritional preference for simple sugars and complex protein substrates. Major fatty acids included iso-C14 : 0, C16 : 0, C16 : 1ω7c/iso-C15 : 0 2-OH and anteiso-C15 : 0. The predominant respiratory quinone was MK-9. Polar lipids comprised major amounts of phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol and minor amounts of three unidentified lipids, a glycolipid, a phospholipid and a phosphoglycolipid. Based on a polyphasic taxonomic characterization, strain CB-286403T represents a novel species of the genus Luteolibacter, for which the name Luteolibacter gellanilyticus sp. nov. is proposed. The type strain is CB-286403T (=DSM 28998T=CECT 8659T).

KEYWORDS:

Luteolibacter; Verrucomicrobia; diffusion sandwich system

PMID:
28905697
DOI:
10.1099/ijsem.0.002227
[Indexed for MEDLINE]

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