Methanogens can live as mesophiles within the microbiomes of humans and animals, such as in the human gastrointestinal tract, where they produce gases.

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Methanogenesis is a unique metabolic process in which methane is produced. It is performed exclusively by certain members of the domain Archaea and is absent in both bacteria and eukaryotes.

Methanogenesis

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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Methanogens can survive in highly extreme environments and reproduce at temperatures ranging from below freezing to boiling, and they have been found in hot springs and deep under Greenland ice.

Environmental Adaptability of Methanogens

Habitats and Hosts of Methanogens

Scientists hypothesize that methanogens might inhabit Mars because the mixture of gases produced by these organisms resembles the composition of the Martian atmosphere.

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