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Description
ANOXIA defines the lack of free molecular oxygen in an environment. In the presence of organic matter, anaerobic prokaryotes produce compounds such as free radicals, hydrogen sulfide, or methane that are typically toxic to aerobes. The concomitance of suppressed respiration and presence of toxic substances suggests these habitats are inhospitable to Eukaryota. Ecologists sometimes term such environments 'Death Zones'. This book presents, however, a collection of remarkable adaptations to anoxia, observed in Eukaryotes such as protists, animals, plants and fungi. Case studies provide evidence for controlled beneficial use of anoxia by, for example, modification of free radicals, use of alternative electron donors for anaerobic metabolic pathways, and employment of anaerobic symbionts. The complex, interwoven existence of oxic and anoxic conditions in space and time is also highlighted as is the idea that eukaryotic inhabitation of anoxic habitats was established early in Earth history.
Pages
648 pages
Collection
Cellular Origin, Life in Extreme Habitats and Astrobiology
Parution
2011-10-20
Marque
Springer
EAN papier
9789400718951
EAN EPUB
9789400718968
Informations sur l'ebook
Nombre pages copiables
6
Nombre pages imprimables
64
Taille du fichier
7260 Ko
Ce livre est accessible aux handicaps Voir les informations sur l'accessibilité
Prix
241,99 €

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