Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions

Abstract RNA silencing is an evolutionarily homology-based gene inactivation mechanism and plays critical roles in plant immune responses to acute or chronic virus infections, which often pose serious threats to agricultural productions. Plant antiviral immunity is triggered by virus-derived small i...

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Autores principales: Muhammad Dilshad Hussain, Tahir Farooq, Xi Chen, Muhammad Tariqjaveed, Tong Jiang, Sijia Liu, Tao Zhou
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Publicado: BMC 2021
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Acceso en línea:https://doaj.org/article/a6eeed585ea64669aa96953be08c805e
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spelling oai:doaj.org-article:a6eeed585ea64669aa96953be08c805e2021-11-21T12:42:13ZViral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions10.1186/s42483-021-00104-y2524-4167https://doaj.org/article/a6eeed585ea64669aa96953be08c805e2021-11-01T00:00:00Zhttps://doi.org/10.1186/s42483-021-00104-yhttps://doaj.org/toc/2524-4167Abstract RNA silencing is an evolutionarily homology-based gene inactivation mechanism and plays critical roles in plant immune responses to acute or chronic virus infections, which often pose serious threats to agricultural productions. Plant antiviral immunity is triggered by virus-derived small interfering RNAs (vsiRNAs) and functions to suppress virus further replication via a sequence-specific degradation manner. Through plant-virus arms races, many viruses have evolved specific protein(s), known as viral suppressors of RNA silencing (VSRs), to combat plant antiviral responses. Numerous reports have shown that VSRs can efficiently curb plant antiviral defense response via interaction with specific component(s) involved in the plant RNA silencing machinery. Members in the family Closteroviridae (closterovirids) are also known to encode VSRs to ensure their infections in plants. In this review, we will focus on the plant antiviral RNA silencing strategies, and the most recent developments on the multifunctional VSRs encoded by closterovirids. Additionally, we will highlight the molecular characters of phylogenetically-associated closterovirids, the interactions of these viruses with their host plants and transmission vectors, and epidemiology.Muhammad Dilshad HussainTahir FarooqXi ChenMuhammad TariqjaveedTong JiangSijia LiuTao ZhouBMCarticleClosteroviridsAntiviral RNA silencingViral pathogenicityPlant immunityCrop diseasePlant cultureSB1-1110ENPhytopathology Research, Vol 3, Iss 1, Pp 1-36 (2021)
institution DOAJ
collection DOAJ
language EN
topic Closterovirids
Antiviral RNA silencing
Viral pathogenicity
Plant immunity
Crop disease
Plant culture
SB1-1110
spellingShingle Closterovirids
Antiviral RNA silencing
Viral pathogenicity
Plant immunity
Crop disease
Plant culture
SB1-1110
Muhammad Dilshad Hussain
Tahir Farooq
Xi Chen
Muhammad Tariqjaveed
Tong Jiang
Sijia Liu
Tao Zhou
Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
description Abstract RNA silencing is an evolutionarily homology-based gene inactivation mechanism and plays critical roles in plant immune responses to acute or chronic virus infections, which often pose serious threats to agricultural productions. Plant antiviral immunity is triggered by virus-derived small interfering RNAs (vsiRNAs) and functions to suppress virus further replication via a sequence-specific degradation manner. Through plant-virus arms races, many viruses have evolved specific protein(s), known as viral suppressors of RNA silencing (VSRs), to combat plant antiviral responses. Numerous reports have shown that VSRs can efficiently curb plant antiviral defense response via interaction with specific component(s) involved in the plant RNA silencing machinery. Members in the family Closteroviridae (closterovirids) are also known to encode VSRs to ensure their infections in plants. In this review, we will focus on the plant antiviral RNA silencing strategies, and the most recent developments on the multifunctional VSRs encoded by closterovirids. Additionally, we will highlight the molecular characters of phylogenetically-associated closterovirids, the interactions of these viruses with their host plants and transmission vectors, and epidemiology.
format article
author Muhammad Dilshad Hussain
Tahir Farooq
Xi Chen
Muhammad Tariqjaveed
Tong Jiang
Sijia Liu
Tao Zhou
author_facet Muhammad Dilshad Hussain
Tahir Farooq
Xi Chen
Muhammad Tariqjaveed
Tong Jiang
Sijia Liu
Tao Zhou
author_sort Muhammad Dilshad Hussain
title Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
title_short Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
title_full Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
title_fullStr Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
title_full_unstemmed Viral suppressors from members of the family Closteroviridae combating antiviral RNA silencing: a tale of a sophisticated arms race in host-pathogen interactions
title_sort viral suppressors from members of the family closteroviridae combating antiviral rna silencing: a tale of a sophisticated arms race in host-pathogen interactions
publisher BMC
publishDate 2021
url https://doaj.org/article/a6eeed585ea64669aa96953be08c805e
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