Journal
TRENDS IN PLANT SCIENCE
Volume 27, Issue 3, Pages 255-273Publisher
CELL PRESS
DOI: 10.1016/j.tplants.2021.08.012
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Funding
- Gatsby Foundation
- Norwich Research Park Biosciences Doctoral Training Partnership from the Biotechnology and Biological Sciences Research Council (BBSRC) [BB/M011216/1]
- BBSRC [BB/R012172/1]
- BBSRC [BB/R012172/1] Funding Source: UKRI
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Plants have cell-surface and intracellular receptors to recognize pathogen effectors. These receptors, along with their coreceptors, form networks to mediate downstream immune responses. The cell-surface and intracellular immune systems are interdependent and function synergistically to provide robust resistance against pathogens.
Plants have both cell-surface and intracellular receptors to recognize diverse selfnize extracellular pathogen-/damage-derived molecules or apoplastic pathogenderived effectors. Intracellular nucleotide-binding leucine-rich repeat proteins (NLRs) recognize pathogen effectors. Activation of both PRRs and NLRs elevates defense gene expression and accumulation of the phytohormone salicylic acid (SA), which results in SA-dependent transcriptional reprogramming. These receptors, together with their coreceptors, form networks to mediate downstream immune responses. In addition, cell-surface and intracellular immune systems are interdependent and function synergistically to provide robust resistance against pathogens. Here, we summarize the interactions between these immune systems and attempt to provide a holistic picture of plant immune networks. We highlight current challenges and discuss potential new research directions.
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