Depth-related variability in viral communities in highly stratified sulfidic mine tailings.

Microbiome
Shao-Ming GaoLi-Nan Huang

Abstract

Recent studies have significantly expanded our knowledge of viral diversity and functions in the environment. Exploring the ecological relationships between viruses, hosts, and the environment is a crucial first step towards a deeper understanding of the complex and dynamic interplays among them. Here, we obtained extensive 16S rRNA gene amplicon, metagenomics sequencing, and geochemical datasets from different depths of two highly stratified sulfidic mine tailings cores with steep geochemical gradients especially pH, and explored how variations in viral community composition and functions were coupled to the co-existing prokaryotic assemblages and the varying environmental conditions. Our data showed that many viruses in the mine tailings represented novel genera, based on gene-sharing networks. Siphoviridae, Podoviridae, and Myoviridae dominated the classified viruses in the surface tailings and deeper layers. Both viral richness and normalized coverage increased with depth in the tailings cores and were significantly correlated with geochemical properties, for example, pH. Viral richness was also coupled to prokaryotic richness (Pearson's r = 0.65, P = 0.032). The enrichment of prophages in the surface mine tailings suggeste...Continue Reading

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Citations

Dec 11, 2021·The Science of the Total Environment·Li BiHang-Wei Hu
Dec 18, 2021·Frontiers in Microbiology·Ye HuangCheng-Ying Jiang

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Methods Mentioned

BETA
PCR

Software Mentioned

TrimAL
Bowtie2
Concoct
Hmisc
CheckM
ANOSIM
vConTACT
InterProscan
R
blastp

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