Huber, Harald and Burggraf, Siegfried and Mayer, Thomas and Wyschkony, Irith and Rachel, Reinhard and Stetter, Karl O. (2000) Ignicoccus gen. nov., a novel genus of hyperthermophilic, chemolithoautotrophic Archaea, represented by two new species, Ignicoccus islandicus sp nov and Ignicoccus pacificus sp nov. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 50. pp. 2093-2100. ISSN 1466-5026
Full text not available from this repository. (Request a copy)Abstract
Two species of novel, chemolithoautotrophic, sulfidogenic micro-organisms were isolated from submarine hydrothermal systems in the Atlantic (at the Kolbeinsey Ridge north of Iceland) and in the pacific (at 9 degreesN, 104 degreesW). The coccoid cells grew within a temperature range of 70-98 degreesC (optimum around 90 degreesC). They gained energy by reduction of elemental sulfur using molecular hydrogen as the electron donor. 16S rDNA-based sequence comparisons revealed that the organisms are members of the crenarchaeal branch of the Archaea. They represent a new, deeply branching lineage within the family of the Desulfurococcaceae. In DNA-DNA hybridization experiments both strains exhibited low levels of hybridization to each other and to further representatives of this family. Therefore, they represent a new genus, for which the name Ignicoccus gen. nov. is proposed. At present it consists of two new species, Ignicoccus islandicus sp. nov. (type strain is Kol8(T) = DSM 13165(T) = ATCC 700957(T)) and Ignicoccus pacificus sp. nov. (type strain is LPC33(T) = DSM 13166(T) = ATCC 700958(T)).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ENZYMATIC AMPLIFICATION; CULTIVATION; METHANOGEN; BACTERIA; SYSTEM; Archaea; Crenarchaeota; hyperthermophilic; marine; chemolithoautotrophic |
| Subjects: | 500 Science > 570 Life sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Biochemie, Genetik und Mikrobiologie > Lehrstuhl für Mikrobiologie (Archaeenzentrum) > Prof. Dr. Reinhard Rachel |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 21 Mar 2022 06:52 |
| Last Modified: | 21 Mar 2022 06:52 |
| URI: | https://pred.uni-regensburg.de/id/eprint/42095 |
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