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Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their genes show strong...

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Related Experiment Video

Updated: Jun 10, 2026

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Published on: June 14, 2024

The genus Thermotoga: recent developments.

Andrew D Frock¹, Jaspreet S Notey, Robert M Kelly

¹Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695-7905, USA.

Environmental Technology

|August 20, 2010

Summary

This summary is machine-generated.

Extremely hot-loving Thermotoga bacteria offer insights into life

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Area of Science:

Microbiology
Extremophile Research
Genomics

Background:

Thermotoga bacteria are extremophiles thriving above 70°C.
They are studied for understanding life at high temperatures.
Biotechnological applications include biohydrogen production and biocatalysis.

Purpose of the Study:

To review recent advancements in Thermotoga research.
To highlight functional genomics applications.
To discuss the identification of novel high-temperature biocatalysts.

Main Methods:

Genome sequencing of Thermotoga species.
Functional genomics approaches.
Genomics-based identification and characterization.

Main Results:

Availability of genome sequences for multiple Thermotoga species.
Progress in understanding Thermotoga growth physiology.
Identification of potential high-temperature biocatalysts.

Conclusions:

Recent genomic and functional genomics studies have advanced Thermotoga research.
Thermotoga species are valuable for exploring high-temperature biology.
These microorganisms hold promise for biotechnological innovations.