ArticleApplied and environmental microbiology2025
Chemoautotrophy in subzero environments and the potential for cold-adapted Rubisco.
Article in Applied and environmental microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A hidden pattern? Common polyextremophilic microbial adaptations in Icy Moon analog environments.Frontiers in astronomy and space sciences · 2026Article
- Planetary microbiology: microbes, planets, and the search for life.Applied and environmental microbiology · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
The act of fixing inorganic carbon into the biosphere is largely facilitated by one enzyme, Rubisco. Beyond well-studied plants and cyanobacteria, many bacteria use Rubisco for chemolithoautotrophy in extreme environments on Earth. Here, we characterized the diversity of autotrophic pathways and chemolithoautotrophic Rubiscos from two distinct subzero, hypersaline Arctic environments: 40-kyr relic marine brines encased within permafrost (cryopeg brines) and first-year sea ice. The Calvin-Benson-Bassham (CBB) cycle was widely found in both environments, although with different predominant Rubisco forms. From cryopeg brine, reconstructions of metagenome-assembled genomes (MAGs) uncovered four MAGs with the potential for chemolithoautotrophy, of which the CBB-containing genus
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