| Title: | [A psychrotolerant Caulobacter sp. from Russian polar tundra soil] |
| Author(s): | Berestovskaia I; Lysenko AM; Turova TP; Vasil'eva LV; |
| ISSN/ISBN: | 0026-3656 (Print) 0026-3656 (Linking) |
| Abstract: | "Strain Z-0024, a psychrotolerant aerobic heterotrophic representative of the prosthecate bacteria of the genus Caulobacter, was isolated from a methanotrophic enrichment obtained from Russian polar tundra soil. The cells of the new isolate are vibrios (0.5-0.6 x 1.3-1.8 microm) with a polar stalk. The organism grows in a temperature range from 5 to 36 degrees C, with an optimum at 20 degrees C. The pH range for growth is from 4.5 to 7.0 with an optimum at pH 6.0. Strain Z-0024 utilizes a wide range of organic compounds: sugars, amino acids, volatile fatty acids, and primary alcohols. It tolerates a NaCl concentration in the medium of up to 15 g/l. The G + C content of DNA is 66.6 mol %. The 16S rRNA gene sequence analysis revealed that strain Z-0024 belongs to the cluster of Caulobacter species, showing a 98.8-99.2% sequence similarity to them. DNA-DNA hybridization revealed a low level of homology (24%) between strain Z-0024 and C. vibrioides ATCC 15252. The new isolate is described as Caulobacter sp. Z-0024" |
| Keywords: | "Base Composition Caulobacter/cytology/*isolation & purification/physiology Hydrogen-Ion Concentration Molecular Sequence Data Organic Chemicals/metabolism Phylogeny RNA, Bacterial/genetics RNA, Ribosomal, 16S/genetics Russia *Soil Microbiology Species Spe;" |
| Notes: | "MedlineBerestovskaia, Iu Iu Lysenko, A M Turova, T P Vasil'eva, L V rus English Abstract Research Support, Non-U.S. Gov't Russia (Federation) 2006/07/29 Mikrobiologiia. 2006 May-Jun; 75(3):377-82" |
