Insights into Antarctic microbiomes: diversity patterns for terrestrial and marine habitats

1Citations
Citations of this article
6Readers
Mendeley users who have this article in their library.

Abstract

Microorganisms in Antarctica are recognized for having crucial roles in ecosystems functioning and biogeochemical cycles. To explore the diversity and composition of microbial communities through different terrestrial and marine Antarctic habitats, we analyze 16S rRNA sequence datasets from fumarole and marine sediments, soil, snow and seawater environments. We obtained measures of alpha-and beta-diversities, as well as we have identified the core microbiome and the indicator microbial taxa of a particular habitat. Our results showed a unique microbial community structure according to each habitat, including specific taxa composing each microbiome. Marine sediments harbored the highest microbial diversity among the analyzed habitats. In the fumarole sediments, the core microbiome was composed mainly of thermophiles and hyperthermophilic Archaea, while in the majority of soil samples Archaea was absent. In the seawater samples, the core microbiome was mainly composed by cultured and uncultured orders usually identified on Antarctic pelagic ecosystems. Snow samples exhibited common taxa previously described for habitats of the Antarctic Peninsula, which suggests long-distance dispersal processes occurring from the Peninsula to the Continent. This study contributes as a baseline for further efforts on evaluating the microbial responses to environmental conditions and future changes.

Cite

CITATION STYLE

APA

Bendia, A. G., Moreira, J. C. F., Ferreira, J. C. N., Romano, R. G., Ferreira, I. G. C., Franco, D. C., … Pellizari, V. H. (2023). Insights into Antarctic microbiomes: diversity patterns for terrestrial and marine habitats. Anais Da Academia Brasileira de Ciencias, 95. https://doi.org/10.1590/0001-3765202320211442

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free