ArticleMicrobes and environments2019
Geochemical and Metagenomic Characterization of Jinata Onsen, a Proterozoic-Analog Hot Spring, Reveals Novel Microbial Diversity including Iron-Tolerant Phototrophs and Thermophilic Lithotrophs.
Article in Microbes and environments, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed.
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- Population genomics of a thermophilic cyanobacterium revealed divergence at subspecies level and possible adaptation genes.Botanical studies · 2024Article
- Microbial and mineralogical characterization of the alkaline Chae Son hot spring, Northern Thailand.Extremophiles : life under extreme conditions · 2024Article
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- Genome-resolved metaproteogenomic and nanosolid characterization of an inactive vent chimney densely colonized by enigmatic DPANN archaea.The ISME journal · 2024Article
- Environmental Stability and Its Importance for the Emergence of Darwinian Evolution.Life (Basel, Switzerland) · 2023Article
- Multiple approaches of cellular metabolism define the bacterial ancestry of mitochondria.Science advances · 2023Article
- Temperature and Geographic Location Impact the Distribution and Diversity of Photoautotrophic Gene Variants in Alkaline Yellowstone Hot Springs.Microbiology spectrum · 2022Article
- Genomic evidence of functional diversity in DPANN archaea, from oxic species to anoxic vampiristic consortia.ISME communications · 2022Article
- An overview of experimental simulations of microbial activity in early Earth.Frontiers in microbiology · 2022Review
- Comparative analysis reveals distinctive genomic features of Taiwan hot-spring cyanobacteriumFrontiers in microbiology · 2022Article
- Insights into ecological roles of uncultivated bacteria in Katase hot spring sediment from long-read metagenomics.Frontiers in microbiology · 2022Article
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6 authors.
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Abstract
Hydrothermal systems, including terrestrial hot springs, contain diverse geochemical conditions that vary over short spatial scales due to progressive interactions between reducing hydrothermal fluids, the oxygenated atmosphere, and, in some cases, seawater. At Jinata Onsen on Shikinejima Island, Japan, an intertidal, anoxic, iron-rich hot spring mixes with the oxygenated atmosphere and seawater over short spatial scales, creating diverse chemical potentials and redox pairs over a distance of ~10 m. We characterized geochemical conditions along the outflow of Jinata Onsen as well as the microbial communities present in biofilms, mats, and mineral crusts along its traverse using 16S rRNA gene amplicon and genome-resolved shotgun metagenomic sequencing. Microbial communities significantly changed downstream as temperatures and dissolved iron concentrations decreased and dissolved oxygen increased. Biomass was more limited near the spring source than downstream, and primary productivity appeared to be fueled by the oxidation of ferrous iron and molecular hydrogen by members of Zetaproteobacteria and Aquificae. The microbial community downstream was dominated by oxygenic Cyanobacteria. Cyanobacteria are abundant and active even at ferrous iron concentrations of ~150 μM, which challenges the idea that iron toxicity limited cyanobacterial expansion in Precambrian oceans. Several novel lineages of Bacteria are also present at Jinata Onsen, including previously uncharacterized members of the phyla Chloroflexi and Calditrichaeota, positioning Jinata Onsen as a valuable site for the future characterization of these clades.
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