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Leave no stone unturned: individually adapted xerotolerant Thaumarchaeota sheltered below the boulders of the Atacama Desert hyperarid core.

Yunha HwangDirk Schulze-MakuchFelix L ArensJohan S SaenzPanagiotis S AdamChristof SagerTill L V BornemannWeishu ZhaoYing ZhangAlessandro AiroMichael SchloterAlexander J Probst
Published in: Microbiome (2021)
We provide the first genomic characterization of hyperarid soil microbiomes below the boulders in the Atacama Desert, and report abundant and highly adapted Thaumarchaeaota with ammonia oxidation and carbon fixation potential. Ca. Nitrosodeserticola genomes provide the first metabolic and physiological insight into a thaumarchaeal lineage found in globally distributed terrestrial habitats characterized by various environmental stresses. We consequently expand not only the known genetic repertoire of Thaumarchaeota but also the diversity and microbiome functioning in hyperarid ecosystems. Video Abstract.
Keyphrases
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