Antranikian, Garabed and Suleiman, Marcel and Schaefers, Christian and Adams, Michael W. W. and Bartolucci, Simonetta and Blamey, Jenny M. and Birkeland, Nils-Kare and Bonch-Osmolovskaya, Elizaveta and da Costa, Milton S. and Cowan, Don and Danson, Michael and Forterre, Patrick and Kelly, Robert and Ishino, Yoshizumi and Littlechild, Jennifer and Moracci, Marco and Noll, Kenneth and Oshima, Tairo and Robb, Frank and Rossi, Mose and Santos, Helena and Schoenheit, Peter and Sterner, Reinhard and Thauer, Rudolf and Thomm, Michael and Wiegel, Juergen and Stetter, Karl Otto (2017) Diversity of bacteria and archaea from two shallow marine hydrothermal vents from Vulcano Island. EXTREMOPHILES, 21 (4). pp. 733-742. ISSN 1431-0651, 1433-4909
Full text not available from this repository. (Request a copy)Abstract
To obtain new insights into community compositions of hyperthermophilic microorganisms, defined as having optimal growth temperatures of 80 degrees C and above, sediment and water samples were taken from two shallow marine hydrothermal vents (I and II) with temperatures of 100 degrees C at Vulcano Island, Italy. A combinatorial approach of denaturant gradient gel electrophoresis (DGGE) and metagenomic sequencing was used for microbial community analyses of the samples. In addition, enrichment cultures, growing anaerobically on selected polysaccharides such as starch and cellulose, were also analyzed by the combinatorial approach. Our results showed a high abundance of hyperthermophilic archaea, especially in sample II, and a comparable diverse archaeal community composition in both samples. In particular, the strains of the hyperthermophilic anaerobic genera Staphylothermus and Thermococcus, and strains of the aerobic hyperthermophilic genus Aeropyrum, were abundant. Regarding the bacterial community, e-Proteobacteria, especially the genera Sulfurimonas and Sulfurovum, were highly abundant. The microbial diversity of the enrichment cultures changed significantly by showing a high dominance of archaea, particularly the genera Thermococcus and Palaeococcus, depending on the carbon source and the selected temperature.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SP-NOV REPRESENTS; EPSILON-PROTEOBACTERIA; PHYLOGENETIC DIVERSITY; HYPERTHERMOPHILIC ARCHAEON; COMMUNITY STRUCTURE; RIBOSOMAL-RNA; SP. NOV.; GEN-NOV; ARCHAEBACTERIA; SPRINGS; Hyperthermophiles; Archaea; Diversity; Hydrothermal marine shallow vents |
| Subjects: | 500 Science > 570 Life sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Biochemie, Genetik und Mikrobiologie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Dec 2018 13:16 |
| Last Modified: | 13 Feb 2019 15:02 |
| URI: | https://pred.uni-regensburg.de/id/eprint/1640 |
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