<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Speleothems found in caves worldwide are considered the natural libraries of paleontology. Bacteria found in these ecosystems are generally limited to Proteobacteria and Actinomycetota, but rare microbiome and “Dark Matter” is generally under-investigated and often neglected. This research article discusses, for the first time to our knowledge, the diachronic diversity of Actinomycetota entrapped inside a cave stalactite. The planet’s environmental microbial community profile of different eras can be stored in these refugia (speleothems). These speleothems could be an environmental “Microbial Ark” storing rare microbiome and “Dark Matter” bacterial communities evermore.</p>
</abstract>

Speleothems found in caves worldwide are considered the natural libraries of paleontology. Bacteria found in these ecosystems are generally limited to Proteobacteria and Actinomycetota, but rare microbiome and “Dark Matter” is generally under-investigated and often neglected. This research article discusses, for the first time to our knowledge, the diachronic diversity of Actinomycetota entrapped inside a cave stalactite. The planet’s environmental microbial community profile of different eras can be stored in these refugia (speleothems). These speleothems could be an environmental “Microbial Ark” storing rare microbiome and “Dark Matter” bacterial communities evermore.

Stalactites Core Prospect as Environmental “Microbial Ark”: The Actinomycetota Diversity Paradigm, First Reported from a Greek Cave

Polish Journal of Microbiology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Speleothems found in caves worldwide are considered the natural libraries of paleontology. Bacteria found in these ecosystems are generally limited to...

Stalactites Core Prospect as Environmental “Microbial Ark”: The Actinomycetota Diversity Paradigm, First Reported from a Greek Cave

Article Category: ORIGINAL PAPER

Publié en ligne: 14 juin 2023

Pages: 155 - 168

Reçu: 30 déc. 2022

Accepté: 15 mars 2023

DOI: https://doi.org/10.33073/pjm-2023-016

Mots clés
Actinobacteria, biogeography, rare microbiome, Microbial Dark Matter, refugium model, extreme environment, paleomicrobiology

© 2023 Ioannis Vagelas et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Stalactites Core Prospect as Environmental “Microbial Ark”: The Actinomycetota Diversity Paradigm, First Reported from a Greek Cave

Article Category: ORIGINAL PAPER

Publié en ligne: 14 juin 2023

Pages: 155 - 168

Reçu: 30 déc. 2022

Accepté: 15 mars 2023

DOI: https://doi.org/10.33073/pjm-2023-016

Mots clésActinobacteria, biogeography, rare microbiome, Microbial Dark Matter, refugium model, extreme environment, paleomicrobiology

© 2023 Ioannis Vagelas et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Mots clés
Actinobacteria, biogeography, rare microbiome, Microbial Dark Matter, refugium model, extreme environment, paleomicrobiology