Abstract

Antarctic cryptoendolithic communities are microbial ecosystems dwelling inside rocks of the Antarctic desert. We present the first 18 shotgun metagenomes from these communities to further characterize their composition, biodiversity, functionality, and adaptation. Future studies will integrate taxonomic and functional annotations to examine the pathways necessary for life to evolve in the extremes.

Highlights

  • Antarctic cryptoendolithic communities are microbial ecosystems dwelling inside rocks of the Antarctic desert

  • A total of 3,817,654,184 filtered reads were obtained after quality control, with a mean of 212,091,899 reads per sample, which were assembled into more than 10 million contigs across all samples, with a GC content of 58.4% Ϯ 3.2% and N50 of 37,096 Ϯ 19,919 bp

  • Gene prediction, and annotation data sets are available at the Integrated Microbial Genomes with Microbiome Samples (IMG/M) website and in the Zenodo repository (12)

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Summary

Introduction

Antarctic cryptoendolithic communities are microbial ecosystems dwelling inside rocks of the Antarctic desert. Received 5 January 2020 Accepted 5 February 2020 Published 5 March 2020 mra.asm.org 1 The BBDuk v.38.25 tool was used to remove contaminants and to trim adapters and low-quality sequences.

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