ArticleMicrobial ecology2014
Characterization of chasmoendolithic community in Miers Valley, McMurdo Dry Valleys, Antarctica.
Article in Microbial ecology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 63 citations in OpenAlex.
- Dew and frost do not serve as water sources for rock-dwelling organisms in the Dry Valleys of Antarctica.Planta · 2026Article
- Cyanobacteria sustain microbial diversity and community stability in Tibetan glacial cryoconites.Environmental microbiome · 2025Article
- Intrathalline Fungal and Bacterial Diversity Is Uncovered in Antarctic Lichen Symbioses.Environmental microbiology reports · 2025Article
- The symbiotic alga Trebouxia fuels a coherent soil ecosystem on the landscape scale in the Atacama Desert.Environmental microbiome · 2024Article
- Article
- Ecological Characteristics of Antarctic Fungi.Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections · 2023Review
- Structure and Function Analysis of CultivatedBiology · 2023Article
- Gypsum endolithic phototrophs under moderate climate (Southern Sicily): their diversity and pigment composition.Frontiers in microbiology · 2023Article
- DNA repair enzymes of the Antarctic Dry Valley metagenome.Frontiers in microbiology · 2023Article
- Population structure of an Antarctic aquatic cyanobacterium.Microbiome · 2022Article
- Endolithic Bacterial Diversity in Lichen-Dominated Communities Is Shaped by Sun Exposure in McMurdo Dry Valleys, Antarctica.Microbial ecology · 2022Article
- Phylogeny and Ecology ofFrontiers in microbiology · 2022Article
- Macroclimatic conditions as main drivers for symbiotic association patterns in lecideoid lichens along the Transantarctic Mountains, Ross Sea region, Antarctica.Scientific reports · 2021Article
- Article
- Metabolomics of Dry Versus Reanimated Antarctic Lichen-Dominated Endolithic Communities.Life (Basel, Switzerland) · 2021Article
- Geomicrobiological Heterogeneity of Lithic Habitats in the Extreme Environment of Antarctic Nunataks: A Potential Early Mars Analog.Frontiers in microbiology · 2021Article
- Microbial Communities in Permafrost Soils of Larsemann Hills, Eastern Antarctica: Environmental Controls and Effect of Human Impact.Microorganisms · 2020Article
- Differential Colonization and Succession of Microbial Communities in Rock and Soil Substrates on a Maritime Antarctic Glacier Forefield.Frontiers in microbiology · 2020Article
- Distinct Microbial Communities in Adjacent Rock and Soil Substrates on a High Arctic Polar Desert.Frontiers in microbiology · 2020Article
- Altitude and fungal diversity influence the structure of Antarctic cryptoendolithic Bacteria communities.Environmental microbiology reports · 2019Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Antarctic Dry Valleys are unable to support higher plant and animal life and so microbial communities dominate biotic ecosystem processes. Soil communities are well characterized, but rocky surfaces have also emerged as a significant microbial habitat. Here, we identify extensive colonization of weathered granite on a landscape scale by chasmoendolithic microbial communities. A transect across north-facing and south-facing slopes plus valley floor moraines revealed 30-100 % of available substrate was colonized up to an altitude of 800 m. Communities were assessed at a multidomain level and were clearly distinct from those in surrounding soils and other rock-inhabiting cryptoendolithic and hypolithic communities. All colonized rocks were dominated by the cyanobacterial genus Leptolyngbya (Oscillatoriales), with heterotrophic bacteria, archaea, algae, and fungi also identified. Striking patterns in community distribution were evident with regard to microclimate as determined by aspect. Notably, a shift in cyanobacterial assemblages from Chroococcidiopsis-like phylotypes (Pleurocapsales) on colder-drier slopes, to Synechococcus-like phylotypes (Chroococcales) on warmer-wetter slopes. Greater relative abundance of known desiccation-tolerant bacterial taxa occurred on colder-drier slopes. Archaeal phylotypes indicated halotolerant taxa and also taxa possibly derived from nearby volcanic sources. Among the eukaryotes, the lichen photobiont Trebouxia (Chlorophyta) was ubiquitous, but known lichen-forming fungi were not recovered. Instead, fungal assemblages were dominated by ascomycetous yeasts. We conclude that chasmoendoliths likely constitute a significant geobiological phenomenon at lower elevations in granite-dominated Antarctic Dry Valley systems.
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