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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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.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

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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

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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