An Insight into the Role of Salicylic Acid and Jasmonic Acid in Salt Stress Tolerance

2012 ◽  
pp. 277-300 ◽  
Author(s):  
M. Iqbal R. Khan ◽  
Shabina Syeed ◽  
Rahat Nazar ◽  
Naser A. Anjum
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Jasmonic Acid ◽  
Stress Tolerance ◽  
Salt Stress Tolerance ◽  
Insight Into

Role of Salicylic Acid in Promoting Salt Stress Tolerance and Enhanced Artemisinin Production in Artemisia annua L.

2011 ◽  
Vol 30 (4) ◽  
pp. 425-435 ◽  
Author(s):  
Tariq Aftab ◽  
M. Masroor A. Khan ◽  
Jaime A. Teixeira da Silva ◽  
Mohd. Idrees ◽  
M. Naeem ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Stress Tolerance ◽  
Artemisia Annua ◽  
Salt Stress Tolerance ◽  
Artemisia Annua L

scholarly journals Transcription Factor GarWRKY5 Is Involved in Salt Stress Response in Diploid Cotton Species (Gossypium aridum L.)

2019 ◽  
Vol 20 (21) ◽  
pp. 5244 ◽  
Author(s):  
Qi Guo ◽  
Liang Zhao ◽  
Xinqi Fan ◽  
Peng Xu ◽  
Zhenzhen Xu ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Stress Response ◽  
Jasmonic Acid ◽  
Gene Silencing ◽  
Stress Tolerance ◽  
Virus Induced Gene Silencing ◽  
Wild Type ◽  
Salt Stress Tolerance ◽  
Salt Stress Response

Cotton is one of the most economically important crops in the world, and it is exposed to various abiotic stresses during its lifecycle, especially salt stress. However, the molecular mechanisms underlying cotton tolerance to salt stress are still not fully understood due to the complex nature of salt response. Therefore, identification of salt stress tolerance-related functional genes will help us understand key components involved in stress response and provide valuable genes for improving salt stress tolerance via genetic engineering in cotton. In the present study, virus-induced gene silencing of GhWRKY5 in cotton showed enhanced salt sensitivity compared to wild-type plants under salt stress. Overexpression of GarWRKY5 in Arabidopsis positively regulated salt tolerance at the stages of seed germination and vegetative growth. Additionally, GarWRKY5-overexpressing plants exhibited higher activities of superoxide dismutase (SOD) and peroxidase (POD) under salt stress. The transcriptome sequencing analysis of transgenic Arabidopsis plants and wild-type plants revealed that there was enriched coexpression of genes involved in reactive oxygen species (ROS) scavenging (including glutamine S-transferases (GSTs) and SODs) and altered response to jasmonic acid and salicylic acid in the GarWRKY5-OE lines. GarWRKY5 is involved in salt stress response by the jasmonic acid- or salicylic acid-mediated signaling pathway based on overexpression of GarWRKY5 in Arabidopsis and virus-induced gene silencing of GarWRKY5 in cotton.

scholarly journals Characterization of wheat (Triticum aestivum) TIFY family and role of Triticum Durum TdTIFY11a in salt stress tolerance

PLoS ONE ◽  
2018 ◽  
Vol 13 (7) ◽  
pp. e0200566 ◽  
Author(s):  
Chantal Ebel ◽  
Asma BenFeki ◽  
Moez Hanin ◽  
Roberto Solano ◽  
Andrea Chini
Keyword(s):  
Triticum Aestivum ◽  
Salt Stress ◽  
Stress Tolerance ◽  
Triticum Durum ◽  
Salt Stress Tolerance

Exogenous application of salicylic acid enhances salt stress tolerance in lemongrass (Cymbopogon flexuosus Steud. Wats)

2021 ◽  
Vol 54 (2) ◽  
Author(s):  
Zeeshan Rehman ◽  
Abrar Hussain ◽  
Shanzay Saleem ◽  
Sheza Ayaz Khilji ◽  
Zahoor Ahmad Sajid
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Stress Tolerance ◽  
Salt Stress Tolerance ◽  
Exogenous Application ◽  
Cymbopogon Flexuosus

scholarly journals Role of HSP90 in Salt Stress Tolerance via Stabilization and Regulation of Calcineurin

2000 ◽  
Vol 20 (24) ◽  
pp. 9262-9270 ◽  
Author(s):  
Jun Imai ◽  
Ichiro Yahara
Keyword(s):  
Gene Expression ◽  
Saccharomyces Cerevisiae ◽  
Salt Stress ◽  
Stress Tolerance ◽  
Normal Level ◽  
Immune Complexes ◽  
Salt Stress Tolerance ◽  
Stressed Cells ◽  
Calcineurin Activity

ABSTRACT The role of HSP90 in stress tolerance was investigated inSaccharomyces cerevisiae. Cells showing 20-fold overexpression of Hsc82, an HSP90 homologue in yeast, were hypersensitive to high-NaCl or H-LiCl stresses. Hsc82-overexpressing cells appeared similar to calcineurin-defective cells in salt sensitivity and showed reduced levels of calcineurin-dependent gene expression. Co-overexpression of Cna2, the catalytic subunit of calcineurin, suppressed the hypersensitivity. Cna2 and Hsc82 coimmunoprecipitated from control cells grown under normal conditions but not from stressed cells. In contrast, coimmunoprecipitation was detected with Hsc82-overexpressing cells even after exposure to stresses. Cna2 immune complexes from stressed control cells showed a significant level of calcineurin activity, whereas those from stressed Hsc82-overexpressing cells did not. Treatment of extracts from Hsc82-overexpressing cells with Ca2+-calmodulin increased the calcineurin activity associated with Cna2 immune complexes. Geldanamycin, an inhibitor of HSP90 abolished the coimmunoprecipitation but did not activate calcineurin. When the expression level of Hsc82 decreased to below 30% of the normal level, cells also became hypersensitive to salt stress. In these cells, the amount of Cna2 was reduced, likely as a result of degradation. The present results showed that Hsc82 binds to and stabilizes Cna2 and that dissociation of Cna2 from Hsc82 is necessary for its activation.

scholarly journals Mechanism of Salt Stress Tolerance in Plants: Role of Cation/H+ Antiporters

2020 ◽  
Vol 42 (3) ◽  
Author(s):  
Qurban Ali ◽  
Muzammal Mateen Azhar ◽  
Arif Malik ◽  
Shahbaz Ahmad ◽  
Muhammad Zafar Saleem ◽  
...  
Keyword(s):  
Salt Stress ◽  
Stress Tolerance ◽  
Salt Stress Tolerance

scholarly journals The enhancement of salt stress tolerance by salicylic acid pretreatment in Arabidopsis thaliana

2020 ◽  
Vol 64 ◽  
pp. 150-158
Author(s):  
L.-L. YU ◽  
Y. LIU ◽  
F. ZHU ◽  
X.-X. GENG ◽  
Y. YANG ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Salicylic Acid ◽  
Salt Stress ◽  
Stress Tolerance ◽  
Salt Stress Tolerance ◽  
Acid Pretreatment

scholarly journals Jasmonic Acid Impairs Arabidopsis Seedling Salt Stress Tolerance Through MYC2-Mediated Repression of CAT2 Expression

2021 ◽  
Vol 12 ◽  
Author(s):  
Ru-Feng Song ◽  
Ting-Ting Li ◽  
Wen-Cheng Liu
Keyword(s):  
Salt Stress ◽  
Jasmonic Acid ◽  
Stress Tolerance ◽  
High Salinity ◽  
Vital Role ◽  
Plant Response ◽  
Wild Type Plant ◽  
Dependent Manner ◽  
Salt Stress Tolerance ◽  
Arabidopsis Seedling

High salinity causes ionic, osmotic, and oxidative stresses to plants, and the antioxidant enzyme Catalase2 (CAT2) plays a vital role in this process, while how CAT2 expression is regulated during plant response to high salinity remains elusive. Here, we report that phytohormone jasmonic acid (JA) impairs plant salt stress tolerance by repressing CAT2 expression in an MYC2-dependent manner. Exogenous JA application decreased plant salt stress tolerance while the jar1 mutant with reduced bioactive JA-Ile accumulation showed enhanced salt stress tolerance. JA enhanced salt-induced hydrogen peroxide (H2O2) accumulation, while treatment with H2O2-scavenger glutathione compromised such effects of JA on plant H2O2 accumulation and salt stress tolerance. In addition, JA repressed CAT2 expression in salt-stressed wild-type plant but not in myc2, a mutant of the master transcriptional factor MYC2 in JA signaling, therefore, the myc2 mutant exhibited increased salt stress tolerance. Further study showed that mutation of CAT2 largely reverted lower reactive oxygen species (ROS) accumulation, higher CAT activity, and enhanced salt stress tolerance of the myc2 mutant in myc2 cat2-1 double mutant, revealing that CAT2 functions downstream JA-MYC2 module in plant response to high salinity. Together, our study reveals that JA impairs Arabidopsis seedling salt stress tolerance through MYC2-mediated repression of CAT2 expression.

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