Jasmonic Acid Signaling and Molecular Crosstalk with Other Phytohormones

Liu, Hai; Timko, Michael P.

doi:10.3390/ijms22062914

Cited by 72 publications

(58 citation statements)

References 173 publications

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“…JA production is lowered upon exogenous treatment of Si; later, decline in JA can be correlated by low-stress levels exerted by Si treatment ( Wang et al, 2020 ; Raza et al, 2021b ). The reduction in the levels of JA induced by Si involves the modulation of several signaling pathways ( Liu and Timko, 2021 ; Tripathi et al, 2021 ). Si application drastically improves the signaling of JA to initiate a defense system during wounding stress in rice plants ( Hamayun et al, 2010 ).…”

Section: Si-induced Differential Phytohormone Synthesis Under Abiotic...mentioning

confidence: 99%

Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress

et al. 2022

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Sustainable agricultural production is critically antagonistic by fluctuating unfavorable environmental conditions. The introduction of mineral elements emerged as the most exciting and magical aspect, apart from the novel intervention of traditional and applied strategies to defend the abiotic stress conditions. The silicon (Si) has ameliorating impacts by regulating diverse functionalities on enhancing the growth and development of crop plants. Si is categorized as a non-essential element since crop plants accumulate less during normal environmental conditions. Studies on the application of Si in plants highlight the beneficial role of Si during extreme stressful conditions through modulation of several metabolites during abiotic stress conditions. Phytohormones are primary plant metabolites positively regulated by Si during abiotic stress conditions. Phytohormones play a pivotal role in crop plants’ broad-spectrum biochemical and physiological aspects during normal and extreme environmental conditions. Frontline phytohormones include auxin, cytokinin, ethylene, gibberellin, salicylic acid, abscisic acid, brassinosteroids, and jasmonic acid. These phytohormones are internally correlated with Si in regulating abiotic stress tolerance mechanisms. This review explores insights into the role of Si in enhancing the phytohormone metabolism and its role in maintaining the physiological and biochemical well-being of crop plants during diverse abiotic stresses. Moreover, in-depth information about Si’s pivotal role in inducing abiotic stress tolerance in crop plants through metabolic and molecular modulations is elaborated. Furthermore, the potential of various high throughput technologies has also been discussed in improving Si-induced multiple stress tolerance. In addition, a special emphasis is engrossed in the role of Si in achieving sustainable agricultural growth and global food security.

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Section: Si-induced Differential Phytohormone Synthesis Under Abiotic...mentioning

confidence: 99%

Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress

et al. 2022

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“…Due to the different processes GAs and JA govern, they usually show an antagonistic relationship mediated by JASMONATE-ZIM DOMAIN (JAZ) and SLR1 [95]. DELLA proteins interact with the JA signaling machinery, enabling the enhanced activity of one hormone or the other, although some synergistic effects have also been found (reviewed in [96]). In tobacco, Jasmonates reduce GA20ox2 levels, thus lowering GA content [97].…”

Section: Other Pgrsmentioning

confidence: 99%

Interactions of Gibberellins with Phytohormones and Their Role in Stress Responses

Castro-Camba¹,

Sánchez²,

Vidal³

et al. 2022

Horticulturae

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Gibberellins are amongst the main plant growth regulators. Discovered over a century ago, the interest in gibberellins research is growing due to their current and potential applications in crop production and their role in the responses to environmental stresses. In the present review, the current knowledge on gibberellins’ homeostasis and modes of action is outlined. Besides this, the complex interrelations between gibberellins and other plant growth regulators are also described, providing an intricate network of interactions that ultimately drives towards precise and specific gene expression. Thus, genes and proteins identified as being involved in gibberellin responses in model and non-model species are highlighted. Furthermore, the molecular mechanisms governing the gibberellins’ relation to stress responses are also depicted. This review aims to provide a comprehensive picture of the state-of-the-art of the current perceptions of the interactions of gibberellins with other phytohormones, and their responses to plant stresses, thus allowing for the identification of the specific mechanisms involved. This knowledge will help us to improve our understanding of gibberellins’ biology, and might help increase the biotechnological toolbox needed to refine plant resilience, particularly under a climate change scenario.

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“…The role of JA-Me in stress in plants is well known [ 29 ]. JAs have also been demonstrated to be involved in triggering various biochemical and physiological processes in plants [ 22 , 23 , 24 , 30 , 31 , 32 , 33 ]. For example, they play key roles in the metabolism pathway of various secondary metabolites [ 34 , 35 ], lignins [ 36 , 37 ], and phenolic acids [ 38 , 39 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Methyl Jasmonate on the Terpene Trilactones, Flavonoids, and Phenolic Acids in Ginkgo biloba L. Leaves: Relevance to Leaf Senescence

et al. 2021

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The present study compared the effects of natural senescence and methyl jasmonate (JA-Me) treatment on the levels of terpene trilactones (TTLs; ginkgolides and bilobalide), phenolic acids, and flavonoids in the primary organs of Ginkgo biloba leaves, leaf blades, and petioles. Levels of the major TTLs, ginkgolides B and C, were significantly higher in the leaf blades of naturally senesced yellow leaves harvested on 20 October compared with green leaves harvested on 9 September. In petioles, a similar effect was found, although the levels of these compounds were almost half as high. These facts indicate the importance of the senescence process on TTL accumulation. Some flavonoids and phenolic acids also showed changes in content related to maturation or senescence. Generally, the application of JA-Me slightly but substantially increased the levels of TTLs in leaf blades irrespective of the difference in its application side on the leaves. Of the flavonoids analyzed, levels of quercetin, rutin, quercetin-4-glucoside, apigenin, and luteolin were dependent on the JA-Me application site, whereas levels of (+) catechin and (−) epicatechin were not. Application of JA-Me increased ferulic acid and p-coumaric acid esters in the petiole but decreased the levels of these compounds in the leaf blade. The content of p-coumaric acid glycosides and caffeic acid esters was only slightly modified by JA-Me. In general, JA-Me application affected leaf senescence by modifying the accumulation of ginkogolides, flavonoids, and phenolic acids. These effects were also found to be different in leaf blades and petioles. Based on JA-Me- and aging-related metabolic changes in endogenous levels of the secondary metabolites in G. biloba leaves, we discussed the results of study in the context of basic research and possible practical application.

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Jasmonic Acid Signaling and Molecular Crosstalk with Other Phytohormones

Cited by 72 publications

References 173 publications

Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress

Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress

Interactions of Gibberellins with Phytohormones and Their Role in Stress Responses

Effect of Methyl Jasmonate on the Terpene Trilactones, Flavonoids, and Phenolic Acids in Ginkgo biloba L. Leaves: Relevance to Leaf Senescence

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