期刊
FEMS MICROBIOLOGY ECOLOGY
卷 97, 期 2, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/femsec/fiaa246
关键词
thermoalkaline; hot springs; metagenomics; metatranscriptomics; metabolomics; geothermal
类别
资金
- WM Keck Foundation
Advances in sequencing technologies have expanded our knowledge of the diversity within the domain Archaea. Archaea found in thermoalkaline environments may have divergent communities and metabolic pathways compared to those in acidic or circumneutral systems. Emerging multi-omics approaches, such as proteomics and metabolomics, offer potential to enhance our understanding of archaea in extreme thermoalkaline systems.
The described diversity within the domain Archaea has recently expanded due to advances in sequencing technologies, but many habitats that likely harbor novel lineages of archaea remain understudied. Knowledge of archaea within natural and engineered hydrothermal systems, such as hot springs and engineered subsurface habitats, has been steadily increasing, but the majority of the work has focused on archaea living in acidic or circumneutral environments. The environmental pressures exerted by the combination of high temperatures and high pH likely select for divergent communities and distinct metabolic pathways from those observed in acidic or circumneutral systems. In this review, we examine what is currently known about the archaea found in thermoalkaline environments, focusing on the detection of novel lineages and knowledge of the ecology, metabolic pathways and functions of these populations and communities. We also discuss the potential of emerging multi-omics approaches, including proteomics and metabolomics, to enhance our understanding of archaea within extreme thermoalkaline systems.
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