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Related Experiment Video

Updated: Dec 18, 2025

Immunofluorescent Labeling of Plant Virus and Insect Vector Proteins in Hemipteran Guts

Immunofluorescent Labeling of Plant Virus and Insect Vector Proteins in Hemipteran Guts

Published on: May 14, 2021

Autophagy in Plant-Virus Interactions.

Meng Yang¹, Asigul Ismayil¹, Yule Liu¹

¹MOE Key Laboratory of Bioinformatics, Center for Plant Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China;

Annual Review of Virology

|June 13, 2020

Summary

Autophagy, a cellular recycling process, plays a dual role in plant-virus interactions, acting as both a defense mechanism and a target exploited by viruses. This review explores these complex antiviral and proviral functions.

Keywords:

autophagy counter-defense defense interaction plant virus

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Area of Science:

Plant pathology
Cell biology
Molecular biology

Background:

Autophagy is a fundamental cellular process involving lysosome-mediated degradation and recycling of cellular components.
Autophagy is increasingly recognized for its significant role in plant-pathogen interactions.
Plant viruses have evolved strategies to interact with and manipulate the host autophagy machinery.

Purpose of the Study:

To review the multifaceted roles of autophagy in plant-virus interactions.
To highlight the dual function of autophagy as both an antiviral defense and a pathway exploited by viruses (proviral roles).
To discuss the implications of autophagy in the co-evolutionary dynamics between plants and viruses.

Main Methods:

Literature review of recent findings on autophagy in plant-virus interactions.
Analysis of studies detailing the antiviral mechanisms mediated by autophagy.
Examination of research on how plant viruses manipulate autophagy for their own benefit.

Main Results:

Autophagy functions as a critical antiviral defense mechanism in plants, degrading viral components.
Plant viruses can hijack or exploit the autophagy pathway to facilitate their replication and spread.
These interactions highlight a complex evolutionary arms race between plants and viruses involving autophagy.

Conclusions:

Autophagy plays a pivotal and complex role in plant-virus interactions, exhibiting both protective and supportive functions for viruses.
Understanding these roles is crucial for deciphering plant immunity and viral pathogenesis.
Further research into autophagy modulation could offer novel strategies for crop protection against viral diseases.