Interactions between hormone and redox signalling pathways in the control of growth and cross tolerance to stress
By C. Bartoli, C. Casalongué, M. Simontacchi, Belen Marquez-Garcia, Christine H. Foyer. 2013
244 citations recorded by the source corpus.
Abstract The ability of plants to respond to a wide range of environmental stresses is highly flexible and finely balanced through the interaction of hormonal plant growth regulators and the redox signalling hub, which integrates information from the environment and cellular metabolism/physiology. Plant hormones produce reactive oxygen species (ROS) as second messengers in signalling cascades that convey information concerning changes in hormone concentrations and/or sensitivity to mediate a whole range of adaptive responses. Cellular redox buffering capacity that is determined largely by the abundance of ascorbate has a profound influence on the threshold at which hormone signalling is triggered and on the interactions between different hormones. Other antioxidants such as glutathione, glutaredoxins and thioredoxins are also central redox regulators of hormone signalling pathways. The complex network of cross-communication between oxidants and antioxidants in the redox signalling hub and the different hormone signalling pathways maximises productivity under stress-free situations and regulates plant growth, development, reproduction, programmed cell death and survival upon exposure to stress. This interactive network confers enormous regulatory potential because it allows plants to adapt to changing and often challenging conditions, while preventing boom or bust scenarios with regard to resources, ensuring that energy is produced and utilised in a safe and efficient manner.
Subfields: Molecular Biology, Plant Science
View Paper: https://www.semanticscholar.org/paper/d3bc7c0dada5181633b8e00573c9e177f5c61eaa
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Citations in the corpus
- Ascorbic Acid-A Potential Oxidant Scavenger and Its Role in Plant Development and Abiotic Stress Tolerance (2017, background): “Likewise, auxin and AO interactions have also been reported recently and urge exploration (Kerk et al., 2000; Pignocchi et al., 2006; Bartoli et al., 2013).”
- Growth-defense tradeoffs in plants: a balancing act to optimize fitness. (2014, unknown): “Studies reviewed here and elsewhere have revealed a web of interconnected hormone signaling networks that enable fine-tuning of plant responses to environmental and developmental cues (Bari and Jones, 2009; RobertSeilaniantz et al., 2011a; Naseem and Dandekar, 2012; Bartoli et al., 2013; De Vleessc”
- Hydrogen peroxide priming modulates abiotic oxidative stress tolerance: insights from ROS detoxification and scavenging (2015, background): “Although the precise mechanisms associated with abiotic stress tolerance remain to be fully elucidated, recent studies have found that many abiotic stress responses are coordinated by complex signaling networks, involving both phytohormones and ROS, especially H2O2 (Bartoli et al., 2013; Figure 4).”
- Regulation of Photosynthesis during Abiotic Stress-Induced Photoinhibition. (2015, background): “For instance, increased accumulation of ethylene in drought-treated plants not only 564 enhances senescence but also disrupts ABA-mediated regulation of photosynthesis and leaf 565 growth (Bartoli et al., 2013).”