Neurotransmitters in Signalling and Adaptation to Salinity Stress in Plants

Tanveer, Mohsin; Shabala, Sergey

doi:10.1007/978-3-030-54478-2_3

Cited by 9 publications

(10 citation statements)

References 195 publications

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“…One study showed that Ach molecules promote normal growth and physiology and mitigate various stresses ( Roychoudhury, 2020 ). Recent reports have revealed the role of Ach in abiotic stress tolerance ( Qin et al, 2019 , 2020 ; Su Y. et al, 2020 ; Tanveer and Shabala, 2020 ). For instance, Ach regulates ion transport candidate proteins (NHX, AKT1, and HKT1), balancing low Na + and high K + elements ( Qin et al, 2019 ).…”

Section: Plant Hormones and Their Interactions With Neurotransmitters...mentioning

confidence: 99%

“…They act as chemical envoys to interconnect cellular actions and play vital roles in harmonizing several signal transduction pathways through abiotic stress responses and adjusting exterior and interior responses to stimuli ( Voß et al, 2014 ; Ku et al, 2018 ; Sabagh et al, 2021 ). Neurotransmitters (NTs) are a group of neuroregulatory molecules produced by mammals and plants ( Tanveer and Shabala, 2020 ) that play a pivotal role in organogenesis, flowering, photosynthesis, reproduction, and plant adaptation to environmental factors ( Akula and Mukherjee, 2020 ). Recent studies found evidence of plant hormones and NTs involved in plant development, stress adaptation, and stress tolerance ( Arnao and Hernández-Ruiz, 2017 , 2021 ).…”

Section: Introductionmentioning

confidence: 99%

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Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants

et al. 2022

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Due to global climate change, abiotic stresses are affecting plant growth, productivity, and the quality of cultivated crops. Stressful conditions disrupt physiological activities and suppress defensive mechanisms, resulting in stress-sensitive plants. Consequently, plants implement various endogenous strategies, including plant hormone biosynthesis (e.g., abscisic acid, jasmonic acid, salicylic acid, brassinosteroids, indole-3-acetic acid, cytokinins, ethylene, gibberellic acid, and strigolactones) to withstand stress conditions. Combined or single abiotic stress disrupts the normal transportation of solutes, causes electron leakage, and triggers reactive oxygen species (ROS) production, creating oxidative stress in plants. Several enzymatic and non-enzymatic defense systems marshal a plant’s antioxidant defenses. While stress responses and the protective role of the antioxidant defense system have been well-documented in recent investigations, the interrelationships among plant hormones, plant neurotransmitters (NTs, such as serotonin, melatonin, dopamine, acetylcholine, and γ-aminobutyric acid), and antioxidant defenses are not well explained. Thus, this review discusses recent advances in plant hormones, transgenic and metabolic developments, and the potential interaction of plant hormones with NTs in plant stress response and tolerance mechanisms. Furthermore, we discuss current challenges and future directions (transgenic breeding and genome editing) for metabolic improvement in plants using modern molecular tools. The interaction of plant hormones and NTs involved in regulating antioxidant defense systems, molecular hormone networks, and abiotic-induced oxidative stress tolerance in plants are also discussed.

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Section: Plant Hormones and Their Interactions With Neurotransmitters...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants

et al. 2022

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“…Exogenous application of MEL improves plant growth under abiotic stress conditions, [76][77][78] however the physiological basis of the regulation of SG by MEL has yet to be deciphered. Thus, in this section we analyzed and discussed the reported roles of MEL in regulating SG under abiotic stresses.…”

Section: Mel Sg and Abiotic Stressorsmentioning

confidence: 99%

“…The regulatory role of exogenously applied MEL in mediating SG under abiotic stresses is subjected to the MEL dose dependency, stress exposure time and seed quality. 76,77,281,282 Several enzymes are involved in MEL biosynthesis and metabolism (see Figure 1) and the functional characterization of genes encoding those enzymes relating to MEL biosynthesis and metabolism showed a diverse role of MEL in regulating plant growth and SG. 282 For instance, the ectopic expression of SNAT gene in rice increased seed width and length by regulating the gene expression of GRAIN INCOMPLETE FILLING-1 (GIF1) and GRAIN WIDTH-2 (GW2) and MEL accumulation in seeds.…”

Section: Functional Role Of Mel Related Genes In Regulating Sgmentioning

confidence: 99%

Melatonin as a key regulator in seed germination under abiotic stress

Wang,

Tanveer,

Wang

et al. 2024

Journal of Pineal Research

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Seed germination (SG) is the first stage in a plant's life and has an immense importance in sustaining crop production. Abiotic stresses reduce SG by increasing the deterioration of seed quality, and reducing germination potential, and seed vigor. Thus, to achieve a sustainable level of crop yield, it is important to improve SG under abiotic stress conditions. Melatonin (MEL) is an important biomolecule that interplays in developmental processes and regulates many adaptive responses in plants, especially under abiotic stresses. Thus, this review specifically summarizes and discusses the mechanistic basis of MEL‐mediated SG under abiotic stresses. MEL regulates SG by regulating some stress‐specific responses and some common responses. For instance, MEL induced stress specific responses include the regulation of ionic homeostasis, and hydrolysis of storage proteins under salinity stress, regulation of C‐repeat binding factors signaling under cold stress, starch metabolism under high temperature and heavy metal stress, and activation of aquaporins and accumulation of osmolytes under drought stress. On other hand, MEL mediated regulation of gibberellins biosynthesis and abscisic acid catabolism, redox homeostasis, and Ca2+ signaling are amongst the common responses. Nonetheless factors such as endogenous MEL contents, plant species, and growth conditions also influence above‐mentioned responses. In conclusion, MEL regulates SG under abiotic stress conditions by interacting with different physiological mechanisms.

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“…instead use a complex interplay of ionic and electric currents/potentials as well as chemically defined signaling via neurotransmitters for operation and memory. [2][3][4] Such devices are evolutionarily optimized to operate via minimal energy consumption. In this context, recently neuromorphic architectures and iontronic devices have received tremendous attention.…”

Section: Introductionmentioning

confidence: 99%

Monolithic In‐Plane Integration of Gate‐Modulated Switchable Supercapacitors

et al. 2022

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Monolithic integration of iontronic devices is a key challenge for future miniaturization and system integration. The G‐Cap, a novel iontronic element, is a switchable supercapacitor with gating characteristics comparable to transistors in electronic circuits, but switching relies on ionic currents and ion electroadsorption. The first monolithic in‐plane G‐Cap integration through 3D‐inkjet printing of nanoporous carbon precursors is reported. The printed G‐Cap has a three‐electrode architecture integrating a symmetric “working” supercapacitor (W‐Cap) and a third “gate” electrode (G‐electrode) that reversibly depletes/injects electrolyte ions into the system, effectively controlling the “working” capacitance. The symmetric W‐Cap operates with a proton‐conducting hydrogel electrolyte PVA/H2SO4 and shows a high capacitance (1.6 mF cm−2) that can be switched “on” and “off” by applying a DC bias potential (−1.0 V) at the G‐electrode. This effectively suppresses AC electroadsorption in the nanoporous carbon electrodes of the W‐Cap, resulting in a high capacitance drop from an “on” to an “off” state. The new monolithic structures achieve high rate performance, reversible on‐off switching with an off‐value reaching 0.5 %, which even surpasses recently reported values. Establishing technologies and device architectures for functional ionic electroadsorption devices is crucial for diverse fields ranging from microelectronics and iontronics to biointerfacing and neuromodulation.

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Neurotransmitters in Signalling and Adaptation to Salinity Stress in Plants

Cited by 9 publications

References 195 publications

Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants

Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants

Melatonin as a key regulator in seed germination under abiotic stress

Monolithic In‐Plane Integration of Gate‐Modulated Switchable Supercapacitors

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