Little is known about ocean viromes and the ecological drivers of the evolution of aquatic RNA viruses.This study employed a meta-transcriptomic approach to characterize the viromes of 58 marine invertebrate species a...Little is known about ocean viromes and the ecological drivers of the evolution of aquatic RNA viruses.This study employed a meta-transcriptomic approach to characterize the viromes of 58 marine invertebrate species across three seas.This revealed the presence of 315 newly identified RNA viruses in nine viral families or orders(Durnavirales,Totiviridae,Bunyavirales,Han-taviridae,Picornavirales,Flaviviridae,Hepelivirales,Solemoviridae,and Tombusviridae),with most of them being sufficiently divergent to the already documented viruses.Notably,this study revealed three marine invertebrate hantaviruses that are rooted to vertebrate hantaviruses,further supporting that hantaviruses may have a marine origin.We have also found evidence for possible host sharing and switch events during virus evolution.Overall,we have revealed the hidden diversity of marine invertebrate RNA viruses.展开更多
Malacostracan crustaceans(order Malacostraca),such as crabs,lobsters,and shrimp,are essential secondary producers,as well as major carriers of viruses,in marine ecosystems and are widely distributed from the intertida...Malacostracan crustaceans(order Malacostraca),such as crabs,lobsters,and shrimp,are essential secondary producers,as well as major carriers of viruses,in marine ecosystems and are widely distributed from the intertidal belt to the deep seabed,functioning as ideal models for studies of virus transmission between marine layers.They are of great economic significance since they are important food sources.However,it is also necessary to enrich our understanding of the presence of viruses,such as white spot syndrome virus[1],that are likely to develop into a definite risk.To date,the virome structure of malacostracan crustaceans has not yet been uncovered in toto,let alone the ecological significance and adaptability of viruses at different depths in the ocean.展开更多
基金the National Natural Science Foundation of China(31970176)Collaborative Research Grant(KLMVI-OP-202002)of CAS Key Laboratory of Molecular Virology&Immunology,Institut Pasteur of Shanghai,Chinese Academy of Sciences,Guangdong Provincial Key Laboratory of Fishery Ecology and Environ-ment(FEEL-2019-6)CAS Pioneer Hundred Talents Program.
文摘Little is known about ocean viromes and the ecological drivers of the evolution of aquatic RNA viruses.This study employed a meta-transcriptomic approach to characterize the viromes of 58 marine invertebrate species across three seas.This revealed the presence of 315 newly identified RNA viruses in nine viral families or orders(Durnavirales,Totiviridae,Bunyavirales,Han-taviridae,Picornavirales,Flaviviridae,Hepelivirales,Solemoviridae,and Tombusviridae),with most of them being sufficiently divergent to the already documented viruses.Notably,this study revealed three marine invertebrate hantaviruses that are rooted to vertebrate hantaviruses,further supporting that hantaviruses may have a marine origin.We have also found evidence for possible host sharing and switch events during virus evolution.Overall,we have revealed the hidden diversity of marine invertebrate RNA viruses.
基金supported by the National Natural Science Foundation of China(31970176)the Collaborative Research Grant KLMVI-OP-202002 of CAS Key Laboratory of Molecular Virology&Immunology,Institut Pasteur of Shanghai,Chinese Academy of Sciences+1 种基金Guangdong Provincial Key Laboratory of Fishery Ecology and Environment(FEEL2019)the CAS Pioneer Hundred Talents Program。
文摘Malacostracan crustaceans(order Malacostraca),such as crabs,lobsters,and shrimp,are essential secondary producers,as well as major carriers of viruses,in marine ecosystems and are widely distributed from the intertidal belt to the deep seabed,functioning as ideal models for studies of virus transmission between marine layers.They are of great economic significance since they are important food sources.However,it is also necessary to enrich our understanding of the presence of viruses,such as white spot syndrome virus[1],that are likely to develop into a definite risk.To date,the virome structure of malacostracan crustaceans has not yet been uncovered in toto,let alone the ecological significance and adaptability of viruses at different depths in the ocean.