Transcriptional analysis of biofilm formation processes in the anaerobic, hyperthermophilic bacterium Thermotoga maritima

Article Abstract:

A new methodology is developed to understand the insights in to phenotype of sessile Thermotoga maritime communities and to study other anaerobic biofilm processes as well as to examine aspects of microbial ecology in hydrothermal environments. The isolation of a number of tellurite-and selenite-resistant strains of bacteria from hydrothermal vents near sulfide rocks and bacterial films suggests that the expression changes observed may indicate an adaptive response to an iron-0sulfur cluster degradation stimulus in the natural environment of T.maritima.

Anaerobic bacteria, Genetic research

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Genome transcriptional variation within and between steady states for continuous growth of the hyperthermophile Thermotoga maritima

Article Abstract:

Maltose-limited, continuous, growth of the hyperthermophile Thermotoga maritima at different temperatures and dilution rates showed that transcriptome-wide variation in gene expression within mechanical steady states was minimal compared to that between steady states. The key finding of the study is that continuous culture used with appropriate statistical models is an excellent tool for functional genomics investigations.

Marine bacteria

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Heat shock response by the hyperthermophilic archaeon pyrococcus furiosus

Article Abstract:

Results indicate that Pyrococcus furiosus deploys fewer genes than other thermophilic prokaryotes. During thermal stress the heat shock response of P. furiosus elicits a cooperative strategy of rescue, proteolysis, and stabilization to cope with polypeptide processing.

United States, Physiological aspects, Heat shock proteins, Archaeabacteria, Thermal stresses, Archaea

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