Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans

ABSTRACT Viruses play critical roles in shaping microbial distribution, organization, and ecological functions. However, the mechanisms behind the association and structuring of microbiomes with viruses still remain largely unknown. To understand how viruses affect the assembly of marine microbiomes...

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Main Authors: Bo Wang, Yantao Liang, Kaiyue Lian, Chuyu Zhang, Meiaoxue Han, Min Wang, Hongbing Shao, Andrew McMinn, Hualong Wang
Format: Article
Language:English
Published: American Society for Microbiology 2025-07-01
Series:mSystems
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Online Access:https://journals.asm.org/doi/10.1128/msystems.00539-25
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author Bo Wang
Yantao Liang
Kaiyue Lian
Chuyu Zhang
Meiaoxue Han
Min Wang
Hongbing Shao
Andrew McMinn
Hualong Wang
author_facet Bo Wang
Yantao Liang
Kaiyue Lian
Chuyu Zhang
Meiaoxue Han
Min Wang
Hongbing Shao
Andrew McMinn
Hualong Wang
author_sort Bo Wang
collection DOAJ
description ABSTRACT Viruses play critical roles in shaping microbial distribution, organization, and ecological functions. However, the mechanisms behind the association and structuring of microbiomes with viruses still remain largely unknown. To understand how viruses affect the assembly of marine microbiomes, the network complexity and stability of prokaryotic microbiomes with/without viruses were analyzed and compared using the Tara Ocean Project data set, including samples collected from the Indian Ocean (IO), South Pacific Ocean (SPO), North Pacific Ocean (NPO), Mediterranean Sea, and South Atlantic Ocean. The network complexity of prokaryotic communities was substantially different across oceans, being high in the IO and low in the SPO and NPO. Network complexity and stability of marine prokaryotic microbial communities were enhanced by the influence of viruses: microbiomes associated with viruses were more complex, had a high modularity, and were robust with low fragmentation and vulnerability and higher compositional stability than prokaryotic microbiomes without an association with viruses. Results presented here shed light on how the associations with viruses influenced microbial assembly and their co-occurrence pattern and stability across the oceans. Overall, given such changed environmental characteristics across the oceans, stable and resilient microbiome networks imply that biotic associations with viruses play a critical role in maintaining the integrity and resilience of marine microbiomes and their ecological functions.IMPORTANCEThis study represents the first detailed research on the effects of viruses on the organization of marine prokaryotic microbiomes at the global scale. Biotic factors and environmental heterogeneity directly and indirectly affect microbiome and viral co-occurrence with varied strength. Network complexity and stability of marine microbial communities were enhanced by the influence of viruses. Thus, given such dynamic environmental gradients in the ocean, stable and persistent microbiome networks suggest that biotic associations with viruses play a critical role in maintaining the integrity and resilience of marine microbiomes and influencing the function of marine ecosystems.
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spelling doaj-art-711a08baad8b42daa5e65a91f97b6d212025-07-22T13:00:44ZengAmerican Society for MicrobiologymSystems2379-50772025-07-0110710.1128/msystems.00539-25Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceansBo Wang0Yantao Liang1Kaiyue Lian2Chuyu Zhang3Meiaoxue Han4Min Wang5Hongbing Shao6Andrew McMinn7Hualong Wang8College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaInstitute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, AustraliaUMT-OUC Joint Center for Marine Studies, Qingdao, ChinaABSTRACT Viruses play critical roles in shaping microbial distribution, organization, and ecological functions. However, the mechanisms behind the association and structuring of microbiomes with viruses still remain largely unknown. To understand how viruses affect the assembly of marine microbiomes, the network complexity and stability of prokaryotic microbiomes with/without viruses were analyzed and compared using the Tara Ocean Project data set, including samples collected from the Indian Ocean (IO), South Pacific Ocean (SPO), North Pacific Ocean (NPO), Mediterranean Sea, and South Atlantic Ocean. The network complexity of prokaryotic communities was substantially different across oceans, being high in the IO and low in the SPO and NPO. Network complexity and stability of marine prokaryotic microbial communities were enhanced by the influence of viruses: microbiomes associated with viruses were more complex, had a high modularity, and were robust with low fragmentation and vulnerability and higher compositional stability than prokaryotic microbiomes without an association with viruses. Results presented here shed light on how the associations with viruses influenced microbial assembly and their co-occurrence pattern and stability across the oceans. Overall, given such changed environmental characteristics across the oceans, stable and resilient microbiome networks imply that biotic associations with viruses play a critical role in maintaining the integrity and resilience of marine microbiomes and their ecological functions.IMPORTANCEThis study represents the first detailed research on the effects of viruses on the organization of marine prokaryotic microbiomes at the global scale. Biotic factors and environmental heterogeneity directly and indirectly affect microbiome and viral co-occurrence with varied strength. Network complexity and stability of marine microbial communities were enhanced by the influence of viruses. Thus, given such dynamic environmental gradients in the ocean, stable and persistent microbiome networks suggest that biotic associations with viruses play a critical role in maintaining the integrity and resilience of marine microbiomes and influencing the function of marine ecosystems.https://journals.asm.org/doi/10.1128/msystems.00539-25marine virusesprokaryotic microbiomesnetwork stabilitycommunity complexityenvironmental gradients
spellingShingle Bo Wang
Yantao Liang
Kaiyue Lian
Chuyu Zhang
Meiaoxue Han
Min Wang
Hongbing Shao
Andrew McMinn
Hualong Wang
Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
mSystems
marine viruses
prokaryotic microbiomes
network stability
community complexity
environmental gradients
title Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
title_full Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
title_fullStr Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
title_full_unstemmed Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
title_short Correlation with viruses enhances network complexity and stability of co-occurrence prokaryotes across the oceans
title_sort correlation with viruses enhances network complexity and stability of co occurrence prokaryotes across the oceans
topic marine viruses
prokaryotic microbiomes
network stability
community complexity
environmental gradients
url https://journals.asm.org/doi/10.1128/msystems.00539-25
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