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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Finster, K. W. Cockell, C. S. Voytek, M. A. Gronstal, A. L. Kjeldsen, K. U. |
| Description | Country affiliation: Denmark Author Affiliation: Finster KW ( Department of Biological Sciences, Section for Microbiology, Aarhus University, Building 1540, Ny Munkegade 114, 8000, Aarhus C., Denmark. kai.finster@biology.au.dk) |
| Abstract | A novel actinobacterium, designated CB31(T), was isolated from a 940 m depth sample of a drilling core obtained from the Chesapeake meteor impact crater. The strain was isolated aerobically on R2A medium agar plates supplemented with NaCl (20 g l(-1)) and MgCl2 x 6 H2O (3 g l(-1)). The colonies were circular, convex, smooth and orange. Cells were slightly curved, rod-shaped in young cultures and often appeared in pairs. In older cultures cells were coccoid. Cells stained Gram-positive, were non-motile and did not form endospores. The diagnostic diamino acid of the peptidoglycan was LL: -diaminopimelic acid. The polar lipids included phosphatidylglycerol, diphosphatidglycerol, four different glycolipids, two further phospholipids and one unidentified lipid. The dominant menaquinone was MK-9(H(4)) (70%). The major cellular fatty acid was anteiso C15:0 (83%). The DNA G + C content was 68 mol%. The strain grew anaerobically by reducing nitrate to nitrite or by fermenting glucose. It was catalase positive and oxidase negative. It grew between 10 and 45 degrees C, with an optimum between 35 and 40 degrees C. The pH range for growth was 5.7-9.3, with an optimum at pH 7.5. The closest phylogenetic neighbors based on 16S rRNA gene sequence identity were members of the genus Tessaracoccus (95-96% identity). On the basis of phenotypic and phylogenetic distinctiveness, strain CB31(T) is considered to represent a novel species of the genus Tessaracoccus, for which we propose the name Tessaracoccus profundi sp. nov.. It is the first member of this genus that has been isolated from a deep subsurface environment. The type strain is CB31(T) (=NCIMB 14440(T) = DSM 21240(T)). |
| File Format | HTM / HTML |
| ISSN | 00036072 |
| Issue Number | 4 |
| Volume Number | 96 |
| e-ISSN | 15729699 |
| Journal | Antonie van Leeuwenhoek |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2009-11-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Microbiology Discipline Immunology Propionibacteriaceae Classification Isolation & Purification Soil Microbiology Aerobiosis Anaerobiosis Animals Bacterial Typing Techniques Base Composition Cell Wall Chemistry Cluster Analysis Culture Media Dna, Bacterial Genetics Dna, Ribosomal Diaminopimelic Acid Analysis Fatty Acids Hydrogen-ion Concentration Locomotion Molecular Sequence Data Phospholipids Phylogeny Physiology Rna, Ribosomal, 16s Sequence Analysis, Dna Spores, Bacterial Temperature Vitamin K 2 Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Microbiology |
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