Proteomes · Thermoproteus tenax (strain ATCC 35583 / DSM 2078 / JCM 9277 / NBRC 100435 / Kra 1)

Description

Thermoproteus tenax (strain ATCC 35583 / NBRC 100435 / JCM 9277 / Kra 1) is a strictly anaerobic, hyperthermophilic Crenarchaeum isolated from a solfatare in Iceland. T.tenax is sulfur-dependent with optimal growth at 86 degrees Celsius and pH 5.6. One particular feature is the great metabolic versatility, which is not accompanied by a distinct increase of genome size or information density as compared to other Crenarchaeota. T. tenax is able to grow chemolithoautotrophically (CO2/H2) as well as chemoorganoheterotrophically in presence of various organic substrates. All pathways for synthesizing the 20 proteinogenic amino acids are present. In addition, two presumably complete gene sets for NADH:quinone oxidoreductase (complex I) were identified in the genome and there is evidence that either NADH or reduced ferredoxin might serve as electron donor. Beside the typical archaeal A0A1-ATP synthase, a membrane-bound pyrophosphatase is found, which might contribute to energy conservation. Surprisingly, all genes required for dissimilatory sulfate reduction are present, which is confirmed by growth experiments. (Adapted from PMID: 22003381).

Components

Component nameGenome accession(s)Protein count
ChromosomeFN8698592,047

Publications

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