Defense and senescence interplay in legume nodules DOI Creative Commons
Fathi Berrabah, Farouk Benaceur,

Chaoyan Yin

et al.

Plant Communications, Journal Year: 2024, Volume and Issue: 5(4), P. 100888 - 100888

Published: March 26, 2024

Immunity and senescence play a crucial role in the functioning of legume symbiotic nodules. The miss-regulation one these processes compromises symbiosis leading to death endosymbiont arrest nodule functioning. relationship between immunity has been extensively studied plant organs where synergistic response can be observed. However, interplay organ is poorly discussed literature phenomena are often mixed up. Recent studies revealed that cooperation not always observed nodule, suggesting complex interactions two within organ. Here, we discuss recent results on specificities this during legume-rhizobium symbiosis.

Language: Английский

Role of plant secondary metabolites in defence and transcriptional regulation in response to biotic stress DOI Creative Commons

Anjali,

Sumit Kumar,

Tulasi Korra

et al.

Plant Stress, Journal Year: 2023, Volume and Issue: 8, P. 100154 - 100154

Published: April 3, 2023

Secondary metabolites in plants have been recognized as a novel basis of potential bio-pesticides, paving the way for their use sustainable agriculture. Plant secondary pivotal roles plant-pathogen interactions. Some important are terpenoids, flavanols, flavones, etc., stress-inducible phytochemicals playing an role plant immune response development. Pathogen enters into host cell, multiply and utilise biological mechanism plants, causing hazard to world food assembly. Under stressed circumstances, evolve powerful intricate system growth defensive action. On other hand, transcription factors (TFs) assist counter adverse environments by acting mediators stress signal regulating stress-responsive gene expression. The transcriptional post-transcriptional manipulation is capable aid molecular breeding genetic modification meant improved metabolite synthesis. Although presence numerous has established life, very slight known about interaction with pathogens specific mechanisms involved leading immunity. Chemical pesticides wreaking havoc on our environment. As consequence, environmental-friendly alternatives disease management, like plant-based metabolites, should be explored. In this appraisal, we reviewed relation pathogens, contribution innate immunity, action, regulation TFs combating infections eco-friendly approach.

Language: Английский

Citations

189
The Classification, Molecular Structure and Biological Biosynthesis of Flavonoids, and Their Roles in Biotic and Abiotic Stresses DOI Creative Commons

Weibing Zhuang,

Yuhang Li,

Xiaochun Shu

et al.

Molecules, Journal Year: 2023, Volume and Issue: 28(8), P. 3599 - 3599

Published: April 20, 2023

With the climate constantly changing, plants suffer more frequently from various abiotic and biotic stresses. However, they have evolved biosynthetic machinery to survive in stressful environmental conditions. Flavonoids are involved a variety of biological activities plants, which can protect different (plant-parasitic nematodes, fungi bacteria) stresses (salt stress, drought UV, higher lower temperatures). contain several subgroups, including anthocyanidins, flavonols, flavones, flavanols, flavanones, chalcones, dihydrochalcones dihydroflavonols, widely distributed plants. As pathway flavonoid biosynthesis has been well studied, many researchers applied transgenic technologies order explore molecular mechanism genes associated with biosynthesis; as such, shown stress tolerance through regulation content. In present review, classification, structure flavonoids were summarized, roles under forms also included. addition, effect applying on enhancement plant was discussed.

Language: Английский

Citations

93
Group IIc WRKY transcription factors regulate cotton resistance to Fusarium oxysporum by promoting GhMKK2‐mediated flavonoid biosynthesis DOI
Lijun Wang,

Dezheng Guo,

Guangdong Zhao

et al.

New Phytologist, Journal Year: 2022, Volume and Issue: 236(1), P. 249 - 265

Published: June 21, 2022

WRKY transcription factors (TFs) are crucial regulators in response to pathogen infection. However, the regulatory mechanisms of TFs Fusarium oxysporum f. sp. vasinfectum (Fov), most devastating cotton, remain unclear. Here, transcriptome sequencing indicated that group IIc TF subfamily was important Fov. Gain-of-function and loss-of-function analyses showed positively regulated cotton resistance A series chromatin immunoprecipitation sequencing, yeast one-hybrid assay electrophoresis mobility shift experiments directly bound promoter GhMKK2 its expression. Importantly, a novel mitogen-activated protein kinase (MAPK) cascade composed GhMKK2, GhNTF6 GhMYC2 identified. The functional analysis induced GhMKK2-GhNTF6 pathway increase Fov by upregulating GhMYC2-mediated expression several flavonoid biosynthesis-related genes, which led accumulation. In conclusion, our study demonstrated disease defense mechanism WRKY-MAPK promotes biosynthesis defend against This improves understanding interaction mode between MAPK cascades plant immunity vital role flavonoids defense.

Language: Английский

Citations

72
Plant stress response and adaptation via anthocyanins: A review DOI Creative Commons
Zhe Li, Golam Jalal Ahammed

Plant Stress, Journal Year: 2023, Volume and Issue: 10, P. 100230 - 100230

Published: Sept. 19, 2023

Global climate change has caused an increase in extreme weather events and subjected plants to a variety of abiotic stress. Plants being rooted the soil are unable avoid stress by relocation. Therefore, have evolved sophisticated mechanisms cope with that negatively affects photosynthesis, respiration, cell water potential, eventually normal growth development. Anthocyanins, kind flavonoid, water-soluble natural pigments various colors plants, which can safeguard from wide range environmental Anthocyanins antioxidant functions play indispensable role scavenging reactive oxygen species (ROS). Moreover, anthocyanins act as "sunscreens" form chelates metals/metalloids alleviate metal Nonetheless, biosynthesis stability affected external factors. Here, we review regulatory anthocyanin synthesis, effects factors on production, response including drought, salt stress, high light intensity, ultraviolet rays, heavy metals, low temperature. Considering important tolerance, increasing content manipulating genes potentially be useful improve plant resistance, putative solutions for resilience environments today future.

Language: Английский

Citations

66
Role of bZIP transcription factors in the regulation of plant secondary metabolism DOI

Huan Han,

Caini Wang,

Xiaoyan Yang

et al.

Planta, Journal Year: 2023, Volume and Issue: 258(1)

Published: June 10, 2023

Language: Английский

Citations

43
Transcription factor WRKY75 maintains auxin homeostasis to promote tomato defense against Pseudomonas syringae DOI
Minmin Yang, Yixuan Wang, Chong Chen

et al.

PLANT PHYSIOLOGY, Journal Year: 2024, Volume and Issue: 195(2), P. 1053 - 1068

Published: Jan. 20, 2024

Abstract The hemibiotrophic bacterial pathogen Pseudomonas syringae infects a range of plant species and causes enormous economic losses. Auxin WRKY transcription factors play crucial roles in responses to P. syringae, but their functional relationship immunity remains unclear. Here, we characterized tomato (Solanum lycopersicum) SlWRKY75, which promotes defenses against pv. (Pst) DC3000 by regulating auxin homeostasis. Overexpressing SlWRKY75 resulted low free indole-3-acetic acid (IAA) levels, leading attenuated signaling, decreased expansin transcript upregulated expression PATHOGENESIS-RELATED GENES (PRs) NONEXPRESSOR OF GENE 1 (NPR1), enhanced Pst DC3000. RNA interference-mediated repression increased susceptibility Yeast one-hybrid, electrophoretic mobility shift assays, luciferase activity assays suggested that directly activates the GRETCHEN HAGEN 3.3 (SlGH3.3), encodes an IAA-amido synthetase. SlGH3.3 defense converting IAA aspartic (Asp)-conjugated form IAA-Asp. In addition, interacted with valine-glutamine (VQ) motif-containing protein 16 (SlVQ16) vivo vitro. SlVQ16 SlWRKY75-mediated transcriptional activation promoted Our findings illuminate mechanism SlVQ16–SlWRKY75 complex participates positively SlGH3.3-mediated

Language: Английский

Citations

19
A comprehensive review of transcription factor-mediated regulation of secondary metabolites in plants under environmental stress DOI Creative Commons
Karim Rabeh, Mohamed Hnini, Malika Oubohssaine

et al.

Stress Biology, Journal Year: 2025, Volume and Issue: 5(1)

Published: Feb. 24, 2025

Abstract Plants encounter a wide range of biotic and abiotic environmental stresses throughout their lifespan. To adapt survive, they have evolved complex defense mechanisms that involve the production secondary metabolites (SMs), which play critical roles in enhancing plant resilience. These bioactive compounds function as deterrents to herbivores, barriers against pathogens, protectants oxidative stress. regulate synthesis accumulation (SMs) response various factors such drought, salinity, cold, heat, heavy metals, UV-B radiation. stress conditions can significantly alter SM levels part plant's adaptive response. Transcription (TFs) are essential mediators this process, regulating gene expression involved biosynthesis. By interacting with signaling pathways, TFs fine-tune mechanisms, ensuring timely specific SMs mitigate impacts. This review provides comprehensive examination influence on plants under both conditions. Additionally, we thoroughly discuss key TFs—including AP2/ERF, WRKY, bHLH, bZIP, MYB, NAC—in biosynthesis, highlighting contributions ability withstand

Language: Английский

Citations

3
Plant secondary metabolites against biotic stresses for sustainable crop protection DOI
Tanzim Jahan, Md. Nurul Huda, Kaixuan Zhang

et al.

Biotechnology Advances, Journal Year: 2025, Volume and Issue: unknown, P. 108520 - 108520

Published: Jan. 1, 2025

Language: Английский

Citations

2
Functional Diversification and Mechanistic Insights of MYB Transcription Factors in Mediating Plant Growth and Development, Secondary Metabolism, and Stress Responses DOI

Safoora Mariyam,

Vinay Kumar,

Aryadeep Roychoudhury

et al.

Journal of Plant Growth Regulation, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 27, 2025

Language: Английский

Citations

2
Maize WRKY Transcription Factor ZmWRKY79 Positively Regulates Drought Tolerance through Elevating ABA Biosynthesis DOI Open Access

Faiza Gulzar,

Jingye Fu,

Chenying Zhu

et al.

International Journal of Molecular Sciences, Journal Year: 2021, Volume and Issue: 22(18), P. 10080 - 10080

Published: Sept. 18, 2021

Drought stress causes heavy damages to crop growth and productivity under global climatic changes. Transcription factors have been extensively studied in many crops play important roles plant defense. However, there is a scarcity of studies regarding WRKY transcription regulating drought responses maize crops. Previously, ZmWRKY79 was identified as the regulator phytoalexin biosynthesis with inducible expression different elicitation. Here, we elucidated function through ABA biosynthesis. The overexpression Arabidopsis improved survival rate stress, which accompanied by more lateral roots, lower stomatal aperture, water loss. ROS scavenging also boosted result less H2O2 MDA accumulation increased antioxidant enzyme activities. Further analysis detected production lines consistent up-regulated biosynthetic gene RNA-seq analysis. observed target ZmAAO3 genes protoplast acting on specific W-boxes corresponding promoters. Virus-induced silencing resulted compromised tolerance weaker root system architecture. Together, this study substantiates role drought-tolerance mechanism biosynthesis, suggesting its broad functions not only against pathogen infection but playing positive abiotic response, provides candidate improve for other plants.

Language: Английский

Citations

83