Eukaryotic virus composition can predict the efficiency of carbon export in the global ocean

被引：50

作者：

Kaneko, Hiroto ^{[1
]}

Blanc-Mathieu, Romain ^{[1
,2
]}

Endo, Hisashi ^{[1
]}

Chaffron, Samuel ^{[3
,4
]}

Delmont, Tom O. ^{[4
,5
]}

Gaia, Morgan ^{[4
,5
]}

Henry, Nicolas ^{[6
]}

Hernandez-Velazquez, Rodrigo ^{[1
]}

Canh Hao Nguyen ^{[1
]}

Mamitsuka, Hiroshi ^{[1
]}

Forterre, Patrick ^{[7
]}

Jaillon, Olivier ^{[4
,5
]}

de Vargas, Colomban ^{[6
]}

Sullivan, Matthew B. ^{[8
,9
]}

Suttle, Curtis A. ^{[10
,11
,12
,13
]}

Guidi, Lionel ^{[14
]}

Ogata, Hiroyuki ^{[1
]}

机构：

[1] Kyoto Univ, Bioinformat Ctr, Inst Chem Res, Uji, Kyoto 6110011, Japan

[2] Univ Grenoble Alpes, Lab Physiol Cellulaire & Vegetale, IRIG, INRA,CEA,CNRS, Grenoble, France

[3] Univ Nantes, LS2N, CNRS, UMR 6004, F-44000 Nantes, France

[4] Res Federat FR2022 Tara Oceans GO SEE, Paris, France

[5] CNRS, Inst Francois Jacob, CEA, Genom Metab,Genoscope, F-91000 Evry, France

[6] Sorbonne Univ, Lab Adaptat & Diversite Milieu Marin, Stn Biol Roscoff, CNRS, F-29680 Roscoff, France

[7] Inst Pasteur, Dept Microbiol, 25 Rue Docteur Roux, F-75015 Paris, France

[8] Ohio State Univ, Dept Microbiol, 484 W 12th Ave, Columbus, OH 43210 USA

[9] Ohio State Univ, Dept Civil Environm & Geodet Engn, Columbus, OH 43210 USA

[10] Univ British Columbia, Dept Earth Ocean & Atmospher Sci, Vancouver, BC V6T 1Z4, Canada

[11] Univ British Columbia, Dept Microbiol & Immunol, Vancouver, BC V6T 1Z4, Canada

[12] Univ British Columbia, Dept Bot, Vancouver, BC V6T 1Z4, Canada

[13] Univ British Columbia, Inst Oceans & Fisheries, Vancouver, BC V6T 1Z4, Canada

[14] Sorbonne Univ, Lab Oceanog Villefanche, LOV, CNRS, F-06230 Villefranche Sur Mer, France

来源：

ISCIENCE | 2021年 / 24卷 / 01期

关键词：

VIRAL-INFECTION; HETEROSIGMA-AKASHIWO; MARINE VIRUSES; PHYTOPLANKTON; DIVERSITY; LYSIS; RATES; SIZE; FLUX; PHAEOCYSTIS;

D O I：

10.1016/j.isci.2020.102002

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The biological carbon pump, in which carbon fixed by photosynthesis is exported to the deep ocean through sinking, is a major process in Earth's carbon cycle. The proportion of primary production that is exported is termed the carbon export efficiency (CEE). Based on in-lab or regional scale observations, viruses were previously suggested to affect the CEE (i.e., viral "shunt'' and "shuttle''). In this study, we tested associations between viral community composition and CEE measured at a global scale. A regression model based on relative abundance of viral marker genes explained 67% of the variation in CEE. Viruses with high importance in the model were predicted to infect ecologically important hosts. These results are consistent with the view that the viral shunt and shuttle functions at a large scale and further imply that viruses likely act in this process in a way dependent on their hosts and ecosystem dynamics.

引用

页数：45

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