ArticleGenome biology and evolution2016
Comparative Metagenomic Analysis Reveals Mechanisms for Stress Response in Hypoliths from Extreme Hyperarid Deserts.
Article in Genome biology and evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- Comparative genomics reveals adaptive traits in novel Antarctic lithic cyanobacteria.BMC genomics · 2025Article
- A Metagenomic Time-Series Approach to Assess the Ecological Stability of Microbial Mats in a Seasonally Fluctuating Environment.Microbial ecology · 2023Article
- Effect of salinity on genes involved in the stress response in mangrove soils.Antonie van Leeuwenhoek · 2023Article
- Seasonal Variation of Hypolithic Microbiomes in the Gobi Desert : Seasonal Variation of Hypolithic Microbiomes in the Gobi Desert.Microbial ecology · 2023Article
- DNA repair enzymes of the Antarctic Dry Valley metagenome.Frontiers in microbiology · 2023Article
- Prokaryotic taxonomy and functional diversity assessment of different sequencing platform in a hyper-arid Gobi soil in Xinjiang Turpan Basin, China.Frontiers in microbiology · 2023Article
- Adaptation to Environmental Extremes Structures Functional Traits in Biological Soil Crust and Hypolithic Microbial Communities.mSystems · 2022Article
- Soil substrate culturing approaches recover diverse members of Actinomycetota from desert soils of Herring Island, East Antarctica.Extremophiles : life under extreme conditions · 2022Article
- Prophage-mediated genome differentiation of theMicrobial genomics · 2022Article
- Differences in Precipitation Regime Shape Microbial Community Composition and Functional Potential in Namib Desert Soils.Microbial ecology · 2022Article
- Article
- Roots of the xerophyteSaudi journal of biological sciences · 2022Article
- Microbial Hotspots in Lithic Microhabitats Inferred from DNA Fractionation and Metagenomics in the Atacama Desert.Microorganisms · 2021Article
- Vertical stratification patterns of methanotrophs and their genetic controllers in water columns of oxygen-stratified boreal lakes.FEMS microbiology ecology · 2021Article
- Distribution of Mixotrophy and Desiccation Survival Mechanisms across Microbial Genomes in an Arid Biological Soil Crust Community.mSystems · 2021Article
- A rather dry subject; investigating the study of arid-associated microbial communities.Environmental microbiome · 2020Review
- Article
- The Ecology of Subaerial Biofilms in Dry and Inhospitable Terrestrial Environments.Microorganisms · 2019Review
- Environmental filtering of bacterial functional diversity along an aridity gradient.Scientific reports · 2019Article
- Uncovering the Uncultivated Majority in Antarctic Soils: Toward a Synergistic Approach.Frontiers in microbiology · 2019Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding microbial adaptation to environmental stressors is crucial for interpreting broader ecological patterns. In the most extreme hot and cold deserts, cryptic niche communities are thought to play key roles in ecosystem processes and represent excellent model systems for investigating microbial responses to environmental stressors. However, relatively little is known about the genetic diversity underlying such functional processes in climatically extreme desert systems. This study presents the first comparative metagenome analysis of cyanobacteria-dominated hypolithic communities in hot (Namib Desert, Namibia) and cold (Miers Valley, Antarctica) hyperarid deserts. The most abundant phyla in both hypolith metagenomes were Actinobacteria, Proteobacteria, Cyanobacteria and Bacteroidetes with Cyanobacteria dominating in Antarctic hypoliths. However, no significant differences between the two metagenomes were identified. The Antarctic hypolithic metagenome displayed a high number of sequences assigned to sigma factors, replication, recombination and repair, translation, ribosomal structure, and biogenesis. In contrast, the Namib Desert metagenome showed a high abundance of sequences assigned to carbohydrate transport and metabolism. Metagenome data analysis also revealed significant divergence in the genetic determinants of amino acid and nucleotide metabolism between these two metagenomes and those of soil from other polar deserts, hot deserts, and non-desert soils. Our results suggest extensive niche differentiation in hypolithic microbial communities from these two extreme environments and a high genetic capacity for survival under environmental extremes.
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