Viral activity in lake analogs of anoxic early Earth oceans

Here, two independent lines of evidence, abundances and gene expression, show reduced viral lytic production in microbial plates dominated by PSB in stratified lakes. This suggests that viral lysis may contribute less to bacterial community structuring in these high-density microbial plates. Rather, other viral-mediated mechanisms, such as lysogeny and the expression of auxiliary metabolic genes, may represent a more significant viral influence on bacterial physiology and geochemistry. These patterns in virus-bacteria interactions may be consequential for the interpretations of biosignatures left by these bacterial groups in the geologic record. Video Abstract.

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Publication Details

Journal
Microbiome
Published
2025-04-26
DOI
https://doi.org/10.1186/s40168-025-02085-y
Citations
2
Primary Topic
Methane Hydrates and Related Phenomena
Type
article
Field-Weighted Citation Impact
1.72

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article

Viral activity in lake analogs of anoxic early Earth oceans

Cynthia B. Silveira, William Gilhooly, Natascha S. Varona, Alice Bosco‐Santos et al.
2 citations
Microbiome
Methane Hydrates and Related Phenomena
1.72
article

Viral activity in lake analogs of anoxic early Earth oceans

Cynthia B. Silveira, William Gilhooly, Natascha S. Varona, Alice Bosco‐Santos, Josef P. Werne, Molly D. O’Beirne, Bailey Wallace, J. M. Fulton, John Ford, Alexandra Stiffler, Julianna Mullinax
article en
2 citations

Abstract

Here, two independent lines of evidence, abundances and gene expression, show reduced viral lytic production in microbial plates dominated by PSB in stratified lakes. This suggests that viral lysis may contribute less to bacterial community structuring in these high-density microbial plates. Rather, other viral-mediated mechanisms, such as lysogeny and the expression of auxiliary metabolic genes, may represent a more significant viral influence on bacterial physiology and geochemistry. These patterns in virus-bacteria interactions may be consequential for the interpretations of biosignatures left by these bacterial groups in the geologic record. Video Abstract.

MicrobiomeVol. 13(1)
University of Indianapolis (US), University of Miami (US), Baylor University (US), University of Pittsburgh (US), Indiana University – Purdue University Indianapolis (US), University of Lausanne (CH)
National Science Foundation, National Aeronautics and Space Administration, University of Miami, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, Nuclear Safety and Security Commission
Life below water
Openalex Percentile: Top 18%
Methane Hydrates and Related Phenomena
1.72
DOIOpen Access PDFOpenAlex
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Viral activity in lake analogs of anoxic early Earth oceans — Cynthia B. Silveira, William Gilhooly, et al. · Microbiome (2025) | TGRS Research Map | TGRS