Biodiversity of mudflat intertidal viromes along the Chinese coasts

Mengzhi Ji, Jiayin Zhou, Yan Li, Kai Ma, Wen Song, Yueyue Li, Jizhong Zhou and Qichao Tu ()
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Mengzhi Ji: Shandong University
Jiayin Zhou: Shandong University
Yan Li: Shandong University
Kai Ma: Shandong University
Wen Song: Shandong University
Yueyue Li: Shandong University
Jizhong Zhou: University of Oklahoma
Qichao Tu: Shandong University

Nature Communications, 2024, vol. 15, issue 1, 1-14

Abstract: Abstract Viruses constitute the most diverse and abundant biological entities on Earth. However, our understanding of this tiniest life form in complex ecosystems remains limited. Here, we recover 20,102 viral OTUs from twelve intertidal zones along the Chinese coasts. Our analysis demonstrates high viral diversity and functional potential in intertidal zones, encoding important functional genes that can be potentially transferred to microbial hosts and mediate elemental biogeochemical cycles, especially carbon, phosphate and sulfur. Virus-host abundance dynamics vary among different microbial lineages. Viral community composition is closely associated with environmental conditions, including dissolved organic matter. Concordant biogeographic patterns are observed for viruses and microbes. Viral communities are generally habitat specific with low overlaps between intertidal and other habitats. Environmental factors and geographic distance dominate the compositional variation of intertidal viromes. Overall, these findings expand our understanding of intertidal viromes within an ecological framework, providing insights into the virus-host coevolutionary arms race.

Date: 2024
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DOI: 10.1038/s41467-024-52996-x

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