Journal
BIOMOLECULES
Volume 11, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/biom11020184
Keywords
innate immunity; small RNAs; pathogens; PTI; ETI
Categories
Funding
- Chinese National Key R&D Project for Synthetic Biology [2018YFA0902500]
- National Natural Science Foundation of China [41876188, 32050410303]
- Guangxi Innovation Drive Development Special Fund [Gui Ke AA18242047]
- Grant Plan for Demonstration Project for Marine Economic Development in Shenzhen
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Plants have an innate immune system to defend against pathogen infections, involving complex molecular networks and gene expression regulation. Small RNAs play versatile roles in plant growth, development, and immunity, including PTI and ETI. However, the specific contribution of small RNAs in plant immunity against pathogens is still limited in available information.
Plants, due to their sessile nature, have an innate immune system that helps them to defend against different pathogen infections. The defense response of plants is composed of a highly regulated and complex molecular network, involving the extensive reprogramming of gene expression during the presence of pathogenic molecular signatures. Plants attain proper defense against pathogens through the transcriptional regulation of genes encoding defense regulatory proteins and hormone signaling pathways. Small RNAs are emerging as versatile regulators of plant development and act in different tiers of plant immunity, including pathogen-triggered immunity (PTI) and effector-triggered immunity (ETI). The versatile regulatory functions of small RNAs in plant growth and development and response to biotic and abiotic stresses have been widely studied in recent years. However, available information regarding the contribution of small RNAs in plant immunity against pathogens is more limited. This review article will focus on the role of small RNAs in innate immunity in plants.
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