ArticleScientific reports2018
Yellow coloured mats from lava tubes of La Palma (Canary Islands, Spain) are dominated by metabolically active Actinobacteria.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 65 citations in OpenAlex.
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- Gypsum Cave Biofilm Communities are Strongly Influenced by Bat- And Arthropod-Related Fungi.Microbial ecology · 2024Article
- The microbiota characterizing huge carbonatic moonmilk structures and its correlation with preserved organic matter.Environmental microbiome · 2024Article
- Microbiological exploration of the Cueva del Viento lava tube system in Tenerife, Canary Islands.Environmental microbiology reports · 2024Article
- The geomicrobiology of limestone, sulfuric acid speleogenetic, and volcanic caves: basic concepts and future perspectives.Frontiers in microbiology · 2024Review
- Microbial tapestry of the Shulgan-Tash cave (Southern Ural, Russia): influences of environmental factors on the taxonomic composition of the cave biofilms.Environmental microbiome · 2023Article
- Environmental Drivers of the Moonmilk Microbiome Diversity in Some Temperate and Tropical Caves.Microbial ecology · 2023Article
- Fundamental Science and Engineering Questions in Planetary Cave Exploration.Journal of geophysical research. Planets · 2022Review
- Nutrient-limited subarctic caves harbour more diverse and complex bacterial communities than their surface soil.Environmental microbiome · 2022Article
- The Rare ActinobacteriumMicroorganisms · 2022Article
- Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos.iScience · 2022Article
- Multikingdom interactions govern the microbiome in subterranean cultural heritage sites.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Sulfidic Habitats in the Gypsum Karst System of Monte Conca (Italy) Host a Chemoautotrophically Supported Invertebrate Community.International journal of environmental research and public health · 2022Article
- Comparison of Actinobacteria communities from human-impacted and pristine karst caves.MicrobiologyOpen · 2022Article
- Insights into the microbial life in silica-rich subterranean environments: microbial communities and ecological interactions in an orthoquartzite cave (Imawarì Yeuta, Auyan Tepui, Venezuela).Frontiers in microbiology · 2022Article
- Deciphering Rhizosphere Microbiome Assembly ofMicroorganisms · 2021Article
- Microbial Interactions Drive Distinct Taxonomic and Potential Metabolic Responses to Habitats in Karst Cave Ecosystem.Microbiology spectrum · 2021Article
- Microbial Community Characterizing Vermiculations from Karst Caves and Its Role in Their Formation.Microbial ecology · 2021Article
- Transition from unclassified Ktedonobacterales to Actinobacteria during amorphous silica precipitation in a quartzite cave environment.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microbial diversity in lava tubes from Canary Islands (Spain) has never been explored thus far offering a unique opportunity to study subsurface microbiology. Abundant yellow coloured mats developing on coralloid speleothems in a lava tube from La Palma Islands were studied by next-generation sequencing and DNA/RNA clone library analyses for investigating both total and metabolically active bacteria. In addition, morphological and mineralogical characterization was performed by field emission scanning electron microscopy (FESEM), micro-computed tomography, X-ray diffraction and infrared spectroscopy to contextualize sequence data. This approach showed that the coralloid speleothems consist of banded siliceous stalactites composed of opal-A and hydrated halloysite. Analytical pyrolysis was also conducted to infer the possible origin of cave wall pigmentation, revealing that lignin degradation compounds can contribute to speleothem colour. Our RNA-based study showed for the first time that members of the phylum Actinobacteria, with 55% of the clones belonging to Euzebyales order, were metabolically active components of yellow mats. In contrast, the DNA clone library revealed that around 45% of clones were affiliated to Proteobacteria. Composition of microbial phyla obtained by NGS reinforced the DNA clone library data at the phylum level, in which Proteobacteria was the most abundant phylum followed by Actinobacteria.
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