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Spatial IMA1 regulation restricts root iron acquisition on MAMP perception
Microorganism-associated molecular patterns such as flagellin lead to suppression of root iron acquisition through localized degradation of the systemic iron-deficiency signalling peptide Iron Man 1 in Arabidopsis thaliana.
- Min Cao
- , Matthieu Pierre Platre
- & Wolfgang Busch
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Molecular basis of methyl-salicylate-mediated plant airborne defence
Aphid-transmitted viruses encode proteins that suppress the plant airborne defence response—which is triggered by volatile chemicals released by neighbouring plants after aphid attack—and the plants consequently become less repellent to aphids and more suitable for aphid survival, infestation and viral transmission.
- Qian Gong
- , Yunjing Wang
- & Yule Liu
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Article
| Open Access
A tripartite rheostat controls self-regulated host plant resistance to insects
Insect salivary protein (BISP) targets OsRLCK185 to suppress defence in susceptible plants, whereas in resistant plants BISP binds BPH14 to activate host plant resistance. To restore cellular homeostasis, the resistance mechanism is fine-tuned by selective autophagy.
- Jianping Guo
- , Huiying Wang
- & Guangcun He
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Genome editing of a rice CDP-DAG synthase confers multipathogen resistance
Editing of a rice gene that has a role in phospholipid synthesis has endowed rice plants with broad-spectrum resistance to disease, including protection from common bacterial and fungal pathogens, without decreasing the yield.
- Gan Sha
- , Peng Sun
- & Guotian Li
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Article
| Open Access
Increasing the resilience of plant immunity to a warming climate
Suppression of salicylic acid production in Arabidopsis thaliana at high temperature is caused by decreased recruitment of GUANYLATE BINDING PROTEIN-LIKE 3 defence-associated condensates on promoter sites of master immune regulatory genes.
- Jong Hum Kim
- , Christian Danve M. Castroverde
- & Sheng Yang He
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NLRs guard metabolism to coordinate pattern- and effector-triggered immunity
The deubiquitinase PICI1 is identified as part of an immunity hub that coordinates pattern- and effector-triggered immunity and is involved in conferring broad-spectrum resistance to blast across different subspecies of rice.
- Keran Zhai
- , Di Liang
- & Zuhua He
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A phase-separated nuclear GBPL circuit controls immunity in plants
A family of plant guanylate-binding protein-like GTPases controls phase separation and assembly of condensates, thereby forming a circuit that regulates transcriptional responses to biotic stress.
- Shuai Huang
- , Shiwei Zhu
- & John D. MacMicking
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Mutual potentiation of plant immunity by cell-surface and intracellular receptors
In Arabidopsis, two distinct types of immunity—that mediated by cell-surface receptors and that mediated by intracellular receptors—interact with and mutually enhance each other to provide effective defence against pathogens.
- Bruno Pok Man Ngou
- , Hee-Kyung Ahn
- & Jonathan D. G. Jones
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Pattern-recognition receptors are required for NLR-mediated plant immunity
Bacteria elicit two distinct immune responses in Arabidopsis thaliana, mediated by diverse signalling receptors but working in a synergistic manner.
- Minhang Yuan
- , Zeyu Jiang
- & Xiu-Fang Xin
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Quinone perception in plants via leucine-rich-repeat receptor-like kinases
Dimethoxy-1,4-benzoquinone signalling occurs in Arabidopsis and in the root parasite Phtheirospermum japonicum via increases in cytosolic Ca2+ concentration mediated by the leucine-rich-repeat receptor-like kinase CARD1 in Arabidopsis, or by its homologues in P. japonicum.
- Anuphon Laohavisit
- , Takanori Wakatake
- & Ken Shirasu
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The calcium-permeable channel OSCA1.3 regulates plant stomatal immunity
A study in Arabidopsis thaliana shows that the immune receptor-associated cytosolic kinase BIK1 phosphorylates OSCA1.3 and identifies OSCA1.3 as the pathogen-responsive Ca2+-permeable channel that regulates stomatal closure.
- Kathrin Thor
- , Shushu Jiang
- & Cyril Zipfel
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A plant genetic network for preventing dysbiosis in the phyllosphere
Mutations in genes involved in immune signalling and vesicle trafficking cause defects in the leaf microbiome of Arabidopsis thaliana that result in damage to leaf tissues, suggesting mechanisms by which terrestrial plants control the level and diversity of endophytic phyllosphere microbiota.
- Tao Chen
- , Kinya Nomura
- & Sheng Yang He
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Hydrogen peroxide sensor HPCA1 is an LRR receptor kinase in Arabidopsis
HPCA1, a member of a previously uncharacterized subfamily of leucine-rich-repeat receptor-like kinases, is the hydrogen-peroxide sensor at the plasma membrane in Arabidopsis.
- Feihua Wu
- , Yuan Chi
- & Zhen-Ming Pei
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Root microbiota drive direct integration of phosphate stress and immunity
In Arabidopsis thaliana, a genetic network that controls the phosphate stress response also influences the structure of the root microbiome community, even under non-stress phosphate conditions.
- Gabriel Castrillo
- , Paulo José Pereira Lima Teixeira
- & Jeffery L. Dangl
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Bacteria establish an aqueous living space in plants crucial for virulence
A combination of high humidity and bacterial effectors, such as Pseudomonas syringae HopM1, creates an aqueous environment in the apoplast of immunodeficient Arabidopsis thaliana that allows non-pathogenic P. syringae strains to become virulent pathogens.
- Xiu-Fang Xin
- , Kinya Nomura
- & Sheng Yang He
Mechanisms of calcium homeostasis orchestrate plant growth and immunity