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Regulation of plant antiviral defense genes via host RNA-silencing mechanisms by Paola Leonetti; Johannes Stuttmann; Vitantonio Pantaleo is a Medicine article available to read on EtoBox.

What is Regulation of plant antiviral defense genes via host RNA-silencing mechanisms about?

## Abstract ## Background Plants in nature or crops in the field interact with a multitude of beneficial or parasitic organisms, including bacteria, fungi and viruses. Viruses are highly specialized to infect a limited range of host plants, leading in extreme cases to the full invasion of the host and a diseased phenotype. Resistance to viruses can be mediated by various passive or active mechanisms, including the RNA-silencing machinery and the innate immune system. ## Main text RNA-silencing mechanisms may inhibit viral replication, while viral components can elicit the innate immune system. Viruses that successfully enter the plant cell can elicit pattern-triggered immunity (PTI), albeit by yet unknown mechanisms. As a counter defense, viruses suppress PTI. Furthermore, viral Avirulence proteins (Avr) may be detected by intracellular immune receptors (Resistance proteins) to elicit effector-triggered immunity (ETI). ETI often culminates in a localized programmed cell death reaction, the hypersensitive response (HR), and is accompanied by a potent systemic defense response. In a dichotomous view, RNA silencing and innate immunity are seen as two separate mechanisms of resistance.

Who reads Regulation of plant antiviral defense genes via host RNA-silencing mechanisms?

Author

Paola Leonetti; Johannes Stuttmann; Vitantonio Pantaleo

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Medicine (Health Sciences)