Jasmonate signaling pathway confers salt tolerance through a NUCLEAR FACTOR-Y trimeric transcription factor complex in Arabidopsis

Cell Reports, Journal Year: 2024, Volume and Issue: 43(3), P. 113825 - 113825

Published: Feb. 21, 2024

Jasmonate (JA) is a well-known phytohormone essential for plant response to biotic stress. Recently, crucial role of JA signaling in salt resistance has been highlighted; however, the specific regulatory mechanism remains largely unknown. In this study, we found that NUCLEAR FACTOR-Y (NF-Y) subunits NF-YA1, NF-YB2, and NF-YC9 form trimeric complex positively regulates expression salinity-responsive genes, whereas JASMONATE-ZIM DOMAIN protein 8 (JAZ8) directly interacts with three acts as key repressor suppress both assembly NF-YA1-YB2-YC9 transcriptional activation activity complex. When plants encounter high salinity, levels are elevated perceived by CORONATINE INSENSITIVE (COI) 1 receptor, leading degradation JAZ8 via 26S proteasome pathway, thereby releasing complex, initiating such MYB75, thus enhancing salinity tolerance plants.

Language: Английский

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Elevated CO₂ alters soybean physiology and defense responses, and has disparate effects on susceptibility to diverse microbial pathogens

New Phytologist, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Summary Increasing atmospheric CO 2 levels have a variety of effects that can influence plant responses to microbial pathogens. However, these are varied, and it is challenging predict how elevated ( e ) will affect particular plant–pathogen interaction. We investigated may disease development diverse pathogens in the major oilseed crop, soybean. Soybean plants grown ambient , 419 parts per million (ppm)) or (550 ppm) were challenged with bacterial, viral, fungal, oomycete Disease severity, pathogen growth, gene expression, molecular defense quantified. In less susceptible Pseudomonas syringae pv. glycinea Psg but more bean pod mottle virus, soybean mosaic Fusarium virguliforme . Susceptibility Pythium sylvaticum was unchanged, although greater loss biomass occurred Reduced susceptibility associated enhanced responses. Increased viruses reduced expression antiviral defenses. This work provides foundation for understanding future impact challenges demonstrates microbes infecting both shoots roots potential concern climatic conditions.

Language: Английский

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Jasmonates and salicylic acid: Evolution of defense hormones in land plants

Current Opinion in Plant Biology, Journal Year: 2023, Volume and Issue: 76, P. 102470 - 102470

Published: Oct. 4, 2023

The emergence of plant hormone signaling pathways is deeply intertwined with land evolution. In angiosperms, two hormones, salicylic Acid (SA) and Jasmonates (JAs), play a key role in defense, where JAs-mediated defenses are typically activated response to herbivores necrotrophic pathogens, whereas SA prioritized against hemi/biotrophic pathogens. Thus, studying the evolution JAs their crosstalk essential understand molecular plant-microbe interactions (EvoMPMI) plants. Recent advances biosynthesis, signaling, plants illustrated that insight gained angiosperms does not necessarily apply non-seed lineages, receptors perceive different ligands hormones activate independently on canonical receptors. this review, recent findings main defense (JAs SA) plants, including functional studies bryophyte model Marchantia polymorpha, will be discussed.

Language: Английский

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The OsMYC2–JA feedback loop regulates diurnal flower‐opening time via cell wall loosening in rice

The Plant Journal, Journal Year: 2024, Volume and Issue: 119(6), P. 2585 - 2598

Published: July 7, 2024

Diurnal flower-opening time (DFOT), the of spikelet opening during day, is an important trait for hybrid rice (Oryza sativa L.) seed production. Hybrids between indica and japonica varieties have strong heterosis, but parental lines usually different, nonoverlapping DFOTs. This reduces success production in crosses subspecies, thus hindering utilization inter-subspecies heterosis. However, little known about molecular mechanisms regulating DFOT rice. Here, we obtained with a 1.5 h earlier than wild type by overexpressing OsMYC2, gene encoding key transcription factor jasmonate (JA) signaling pathway. OsMYC2 activated JA directly regulates genes related to biosynthesis cell wall metabolism. Overexpressing led significantly increased contents decreased cellulose hemicellulose lodicule cells, as well softening walls. may facilitate swelling lodicules, resulting early diurnal flower-opening. These results suggest that OsMYC2-JA feedback loop via remodeling. findings shed light on understanding regulatory mechanism plants, which should promote development suitable breeding.

Language: Английский

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Advances in functional studies of plant MYC transcription factors

Theoretical and Applied Genetics, Journal Year: 2024, Volume and Issue: 137(8)

Published: Aug. 1, 2024

Language: Английский

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Comprehensive analysis of bHLH gene family provides insights into GibHLH13 regulating glycyrrhizin biosynthesis by integrating jasmonate signaling in Glycyrrhiza inflata

Industrial Crops and Products, Journal Year: 2025, Volume and Issue: 226, P. 120732 - 120732

Published: Feb. 20, 2025

Language: Английский

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JAZ proteins: Key regulators of plant growth and stress response

The Crop Journal, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 1, 2024

Language: Английский

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Computational identification of promising genetic markers associated with molecular mechanisms of reduced rice resistance to Rhizoctonia solani under excess nitrogen fertilization using gene network reconstruction and analysis methods

Vavilov Journal of Genetics and Breeding, Journal Year: 2025, Volume and Issue: 28(8), P. 960 - 973

Published: Jan. 26, 2025

Although nitrogen fertilizers increase rice yield, their excess can impair plant resistance to diseases, particularly sheath blight caused by Rhizoctonia solani . This pathogen destroy up 50 % of the crop, but mechanisms underlying reduced under remain poorly understood. study aims identify potential marker genes enhance R. conditions. A comprehensive bioinformatics approach was applied, including differential gene expression analysis, network reconstruction, biological process overrepresentation phylostratigraphic and non-coding RNA co-expression analysis. The Smart crop cognitive system, ANDSystem, ncPlantDB database, other resources were used. Analysis molecular genetic interaction revealed three explaining nitrogen: OsGSK2-mediated pathway, OsMYB44-OsWRKY6-OsPR1 SOG1-Rad51-PR1/PR2 pathway. Potential markers for breeding identified: 7 controlling responses various stresses 11 modulating immune system. Special attention given key participants in regulatory pathways Non-coding analysis 30 miRNAs targeting reconstructed network. For two (Osa-miR396 Osa-miR7695), about 7,400 unique long RNAs (lncRNAs) with indices found. top lncRNAs highest index each miRNA highlighted, opening new perspectives studying pathogens. results provide a theoretical basis experimental work on creating varieties increased excessive nutrition. opens prospects developing innovative strategies aimed at optimizing balance between yield disease modern agrotechnical

Language: Английский

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Jasmonate activates PuMYC2 and decreases histone acetylation levels to inhibit the ester aroma catabolism in cold-stored Nanguo pears fruit

Postharvest Biology and Technology, Journal Year: 2025, Volume and Issue: 224, P. 113466 - 113466

Published: Feb. 27, 2025

Language: Английский

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Temporal transcriptome and genome-wide identification of lily jasmonate ZIM-domain (JAZ) protein gene family reveals the roles of LfJAZ3 and LfJAZ12 in bulb development in Lilium fargesii

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142656 - 142656

Published: March 1, 2025

Language: Английский

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