Nitric oxide(NO),a versatile molecule,plays multiple roles in plant growth and development and is a key signaling molecule in plant response to abiotic stress.Nutrient management strategy is critical for abiotic stres...Nitric oxide(NO),a versatile molecule,plays multiple roles in plant growth and development and is a key signaling molecule in plant response to abiotic stress.Nutrient management strategy is critical for abiotic stress alleviation in plants.Sulfur(S) is important under stress conditions,as its assimilatory products neutralize the imbalances in cells created by excessive generation of reactive oxygen species(ROS).NO abates the harmful effects of ROS by enhancing antioxidant enzymes,stimulating S assimilation,and reacting with other target molecules,and regulates the expression of various stress-responsive genes under salt stress.This review focuses on the role of NO and S in responses of plants to salt stress,and describes the crosstalk between NO and S assimilation in salt tolerance.The regulation of NO and/or S assimilation using molecular biology tools may help crops to withstand salinity stress.展开更多
Gamma-aminobutyric acid(GABA),a ubiquitous non-protein 4-carbon amino acid present in both prokaryotic and eukaryotic organisms.It is conventionally recognized as a neurotransmitter in mammals and plays a crucial role...Gamma-aminobutyric acid(GABA),a ubiquitous non-protein 4-carbon amino acid present in both prokaryotic and eukaryotic organisms.It is conventionally recognized as a neurotransmitter in mammals and plays a crucial role in plants.The context of this review centers on the impact of GABA in mitigating abiotic stresses induced by climate change,such as drought,salinity,heat,and heavy metal exposure.Beyond its neurotransmitter role,GABA emerges as a key player in diverse metabolic processes,safeguarding plants against multifaceted abiotic as well as biotic challenges.This comprehensive exploration delves into the GABA biosynthetic pathway,its transport mechanisms,and its intricate interplay with various abiotic stresses.The discussion extends to the nuanced relationship between GABA and phytohormones during abiotic stress acclimation,offering insights into the strategic development of mitigation strategies against these stresses.The delineation of GABA’s crosstalk with phytohormones underscores its pivotal role in formulating crucial strategies for abiotic stress alleviation in plants.展开更多
基金the Department of Science & Technology,New Delhi and research facilities in lab of NAK in the DBT-BUILDER programme(No.BT/PR4872/INF/22/150/2012) of Department of Biotechnology,New Delhi
文摘Nitric oxide(NO),a versatile molecule,plays multiple roles in plant growth and development and is a key signaling molecule in plant response to abiotic stress.Nutrient management strategy is critical for abiotic stress alleviation in plants.Sulfur(S) is important under stress conditions,as its assimilatory products neutralize the imbalances in cells created by excessive generation of reactive oxygen species(ROS).NO abates the harmful effects of ROS by enhancing antioxidant enzymes,stimulating S assimilation,and reacting with other target molecules,and regulates the expression of various stress-responsive genes under salt stress.This review focuses on the role of NO and S in responses of plants to salt stress,and describes the crosstalk between NO and S assimilation in salt tolerance.The regulation of NO and/or S assimilation using molecular biology tools may help crops to withstand salinity stress.
基金JKST&IC file no.(JKST&IC/J/14/2022/342-46)(Jammu and Kashmir DST)for supporting our research.
文摘Gamma-aminobutyric acid(GABA),a ubiquitous non-protein 4-carbon amino acid present in both prokaryotic and eukaryotic organisms.It is conventionally recognized as a neurotransmitter in mammals and plays a crucial role in plants.The context of this review centers on the impact of GABA in mitigating abiotic stresses induced by climate change,such as drought,salinity,heat,and heavy metal exposure.Beyond its neurotransmitter role,GABA emerges as a key player in diverse metabolic processes,safeguarding plants against multifaceted abiotic as well as biotic challenges.This comprehensive exploration delves into the GABA biosynthetic pathway,its transport mechanisms,and its intricate interplay with various abiotic stresses.The discussion extends to the nuanced relationship between GABA and phytohormones during abiotic stress acclimation,offering insights into the strategic development of mitigation strategies against these stresses.The delineation of GABA’s crosstalk with phytohormones underscores its pivotal role in formulating crucial strategies for abiotic stress alleviation in plants.
