Chryseobacterium frigidisoli sp nov., a psychrotolerant species of the family Flavobacteriaceae isolated from sandy permafrost from a glacier forefield

被引:18
作者
Bajerski, Felizitas
Ganzert, Lars [1 ]
Mangelsdorf, Kai [2 ]
Padur, Lisa
Lipski, Andre [3 ]
Wagner, Dirk
机构
[1] Univ Tromso, Dept Arctic & Marine Biol, Tromso, Norway
[2] Helmholtz Ctr Potsdam, GFZ German Res Ctr Geosci, Potsdam, Germany
[3] Univ Bonn, Inst Nutr & Food Sci, Dept Food Microbiol & Hyg, Bonn, Germany
关键词
SEJONGIA-ANTARCTICA; COMB; NOV; EXTRACTION; SEQUENCES; MARINA; JEONII; ACID;
D O I
10.1099/ijs.0.046904-0
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
During diversity studies of the glacier forefields of the Larsemann Hills, East Antarctica, a novel psychrotolerant, non-motile Gram-negative, shiny yellow, rod-shaped, aerobic bacterium, designated strain PB4(T) was isolated from a soil sample. Strain PB4(T) produces indole from tryptophan and hydrolyses casein. It grows between 0 and 25 degrees C with an optimum growth temperature of 20 degrees C. A wide range of substrates are used as sole carbon sources and acid is produced from numerous carbohydrates. The major menaquinone is MK-6. Identified polar lipids are ethanolamines and ornithine lipids. Major fatty acids (>10%) are iso-C-15:0 (13.0%) and iso-2OH-C-15:0 (51.2%). G+C content is 33.7 mol%. The polyamine pattern is composed of symhomospermidine (25.1 mu mol g(-1) dry weight), minor amounts of cadaverine (0.2 mu mol g(-1) dry weight) and spermidine (0.4 mu mol g(-1) dry weight) and traces of putrescine and spermine (<0.1 mu mol g(-1) dry weight). Strain PB4(T) had highest 16S rRNA gene similarities with the type strains of Chryseobacterium humi (97.0%) and Chryseobacterium marinum (96.5%). Considering phenotypic and genotypic characterization, strain PB4(T) represents a novel species in the genus Chryseobacterium (family Flavobacteriaceae), for which the name Chryseobacterium frigidisoli sp. nov. is proposed. The type strain is PB4(T) (=DSM 26000(T)=LMG 27025(T)).
引用
收藏
页码:2666 / 2671
页数:6
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