Integration of Jasmonic Acid and Ethylene Into Auxin Signaling in Root Development

Xu, Ping; Zhao, Ping‐Xia; Cai, Xiao-Teng; Mao, Jie-Li; Miao, Zi-Qing; Xiang, Cheng‐Bin

doi:10.3389/fpls.2020.00271

Cited by 63 publications

(51 citation statements)

References 61 publications

(92 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Auxins are an important hormonal group that plays a crucial role in the growth and development of plants. Various developmental processes in plants are influenced by JA-auxin interactions, including seed development and germination, root growth, flower development, seedling development, tuber formation, and senescence, as reviewed by Xu et al [51]. Under abiotic and biotic conditions, many physiological processes in plants are controlled by the interaction between indole-3-acetic-acid (IAA)-a type of auxin-and JA, including stem cell elongation, tendril coiling, and production of secondary metabolites [52].…”

Section: Ja-auxin Crosstalkmentioning

confidence: 99%

Function and Mechanism of Jasmonic Acid in Plant Responses to Abiotic and Biotic Stresses

Wang

Mostafa

Zeng

et al. 2021

IJMS

231

108

View full text Add to dashboard Cite

As sessile organisms, plants must tolerate various environmental stresses. Plant hormones play vital roles in plant responses to biotic and abiotic stresses. Among these hormones, jasmonic acid (JA) and its precursors and derivatives (jasmonates, JAs) play important roles in the mediation of plant responses and defenses to biotic and abiotic stresses and have received extensive research attention. Although some reviews of JAs are available, this review focuses on JAs in the regulation of plant stress responses, as well as JA synthesis, metabolism, and signaling pathways. We summarize recent progress in clarifying the functions and mechanisms of JAs in plant responses to abiotic stresses (drought, cold, salt, heat, and heavy metal toxicity) and biotic stresses (pathogen, insect, and herbivore). Meanwhile, the crosstalk of JA with various other plant hormones regulates the balance between plant growth and defense. Therefore, we review the crosstalk of JAs with other phytohormones, including auxin, gibberellic acid, salicylic acid, brassinosteroid, ethylene, and abscisic acid. Finally, we discuss current issues and future opportunities in research into JAs in plant stress responses.

show abstract

Section: Ja-auxin Crosstalkmentioning

confidence: 99%

Function and Mechanism of Jasmonic Acid in Plant Responses to Abiotic and Biotic Stresses

Wang

Mostafa

Zeng

et al. 2021

IJMS

231

108

View full text Add to dashboard Cite

show abstract

“…So far, the major hormones studied until now are auxins and cytokinins (CK) followed by brassinosteroids (BR) gibberellins (GA), abscisic acid (ABA), ethylene, salicylic acid (SA), jasmonates (JA) and strigolactones (SL). As many previous reviews have described biosynthesis, catabolism, signaling, and transport of these hormones [13][14][15][16][17][18][19][20][21][22][23][24][25], we briefly describe the generalities of hormone function in root development and summarize the function and names of the proteins encoded by genes, whose loss and gain-of-function (LoF and GoF) mutants were analysed in this review (Tables S1 and S2).…”

Section: Hormone Participation In Arabidopsis Primary Root Developmentmentioning

confidence: 99%

Interplay between Hormones and Several Abiotic Stress Conditions on Arabidopsis thaliana Primary Root Development

López-Ruíz

Zluhan-Martínez

Sánchez

et al. 2020

Cells

View full text Add to dashboard Cite

As sessile organisms, plants must adjust their growth to withstand several environmental conditions. The root is a crucial organ for plant survival as it is responsible for water and nutrient acquisition from the soil and has high phenotypic plasticity in response to a lack or excess of them. How plants sense and transduce their external conditions to achieve development, is still a matter of investigation and hormones play fundamental roles. Hormones are small molecules essential for plant growth and their function is modulated in response to stress environmental conditions and internal cues to adjust plant development. This review was motivated by the need to explore how Arabidopsis thaliana primary root differentially sense and transduce external conditions to modify its development and how hormone-mediated pathways contribute to achieve it. To accomplish this, we discuss available data of primary root growth phenotype under several hormone loss or gain of function mutants or exogenous application of compounds that affect hormone concentration in several abiotic stress conditions. This review shows how different hormones could promote or inhibit primary root development in A. thaliana depending on their growth in several environmental conditions. Interestingly, the only hormone that always acts as a promoter of primary root development is gibberellins.

show abstract

“…The synergistic effects of ethylene and other phytohormones, such as auxin, ABA, JA, cytokinin, and gibberellins are well defined in the regulation of fruit ripening, root growth and gravitropism, root hair growth and differentiation, hypocotyl elongation, and apical hook formation (Van de Poel et al, 2015;Qin et al, 2019;An et al, 2020;Xu et al, 2020), suggesting that they also interact at the molecular level. ETO1 could also be a key modulator of such synergistic processes.…”

Section: Discussionmentioning

confidence: 99%

Essential Roles of the Linker Sequence Between Tetratricopeptide Repeat Motifs of Ethylene Overproduction 1 in Ethylene Biosynthesis

Gao

2021

Front. Plant Sci.

View full text Add to dashboard Cite

Ethylene Overproduction 1 (ETO1) is a negative regulator of ethylene biosynthesis. However, the regulation mechanism of ETO1 remains largely unclear. Here, a novel eto1 allele (eto1-16) was isolated with typical triple phenotypes due to an amino acid substitution of G480C in the uncharacterized linker sequence between the TPR1 and TPR2 motifs. Further genetic and biochemical experiments confirmed the eto1-16 mutation site. Sequence analysis revealed that G480 is conserved not only in two paralogs, EOL1 and EOL2, in Arabidopsis, but also in the homologous protein in other species. The glycine mutations (eto1-11, eto1-12, and eto1-16) do not influence the mRNA abundance of ETO1, which is reflected by the mRNA secondary structure similar to that of WT. According to the protein-protein interaction analysis, the abnormal root phenotype of eto1-16 might be caused by the disruption of the interaction with type 2 1-aminocyclopropane-1-carboxylic acid (ACC) synthases (ACSs) proteins. Overall, these data suggest that the linker sequence between tetratricopeptide repeat (TPR) motifs and the glycine in TPR motifs or the linker region are essential for ETO1 to bind with downstream mediators, which strengthens our knowledge of ETO1 regulation in balancing ACSs.

show abstract

Integration of Jasmonic Acid and Ethylene Into Auxin Signaling in Root Development

Cited by 63 publications

References 61 publications

Function and Mechanism of Jasmonic Acid in Plant Responses to Abiotic and Biotic Stresses

Function and Mechanism of Jasmonic Acid in Plant Responses to Abiotic and Biotic Stresses

Interplay between Hormones and Several Abiotic Stress Conditions on Arabidopsis thaliana Primary Root Development

Essential Roles of the Linker Sequence Between Tetratricopeptide Repeat Motifs of Ethylene Overproduction 1 in Ethylene Biosynthesis

Contact Info

Product

Resources

About