At the close of the 1970s, the two-domain classification scheme long used by most biologists – prokaryotes versus eukaryotes – was upended by the discovery of an entirely new group of organisms: archaea. Initially thought to be bacteria, these single-celled microbes – many of which were first found in seemingly unlivable habitats like the volcanic hot springs of Yellowstone National Park – were in fact so different at molecular and genetic levels as to constitute a separate, third domain beside bacteria and eukaryotes. Their discovery sparked a conceptual revolution in our understanding of the evolution of life, and Patrick Forterre was – and still is – at the vanguard of this revolution.
In Microbes de l'Enfer, one of the world's leading expert on archaea and hyperthermophiles, or organisms that have evolved to flourish in extreme temperatures, offers a colorful, engaging account of this taxonomic upheaval. Blending tales of his own search for thermophiles with discussions of both the physiological challenges thermophiles face and the unique adaptations they have evolved to live in high-temperature environments, Forterre illuminates our developing understanding of the relationship between archaea and the rest of Earth's organisms. From biotech applications to the latest discoveries in thermophile research, from microbiomes to the communities of organisms that dwell on deep-sea vents, Forterre's exploration of life-forms that seem to thrive at the mouth of hell provides a glimpse into the early days of Earth, offering deep insight into what life may have looked like in the extreme environments of our planet's dawn.
Summary in French:
Des êtres vivants capables de vivre à des températures dépassant 100 °C ? Oui, de telles créatures infernales existent, et il s'agit de microbes très particuliers. C'est à la rencontre de ces "microbes de l'enfer" que Patrick Forterre nous convie : comment les a-t-on découverts, quelles "astuces" ces organismes ont-ils trouvées pour parvenir à prospérer à des températures aussi élevées, quelles préciseuses informations nous livrent-ils concernant l'origine de la vie sur Terre ?
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