Priming-Mediated Stress and Cross-Stress Tolerance in Crop Plants

Cover
PRIMING-MEDIATED STRESS AND
CROSS-STRESS TOLERANCE
IN CROP PLANTS
Copyright
Contributors
Editors biography
Preface
1
Priming mediated stress and cross-stress tolerance in plants: Concepts and opportunities
	Introduction: The plant immune system
		Responses against abiotic stress
		Responses against biotic stress
	Induced resistance: Concepts and terminology
		Systemic acquired resistance, induced systemic resistance, and systemic acquired acclimation
		Induction of resistance: Cross-tolerance and priming
	Cross-tolerance
	Priming
	Applications and opportunities
	References
2
Plant physiological and molecular mechanisms in cross-regulation of biotic-abiotic stress responses
	Introduction
	Physiological point of view
		Salinity stress and defense responses
		Drought/dehydration stress and defense responses
		Thermal stress and defense responses
		UV irradiation and defense responses
	Mechanistic point of view-Case studies with temperature stress
		EDS1/PAD4
		NLR
		PIF4 and PhyB
		CAMTA
	Applications and future prospects
	References
3
Getting ready with the priming: Innovative weapons against biotic and abiotic crop enemies in a global changin ...
	Introduction
	Chemical priming
	Beneficial microorganisms in the rhizosphere
	Emerging priming perspectives: Good viruses and spray-induced gene silencing
	Conclusion and future perspectives
	References
4
H2O2-retrograde signaling as a pivotal mechanism to understand priming and cross stress tolerance in plants
	Introduction
	Remarkable sites for H2O2 production within plant cells
	H2O2 quantification: The biggest challenge
	H2O2 as a signaling molecule able to trigger preacclimation in plants in response to different stresses: A humble pr ...
		Drought
		Salinity
		Temperature
		Biotic stress
	Conclusion and perspectives
	References
5
Induced resistance to biotic stress in plants by natural compounds: Possible mechanisms
	Introduction
	Microbial-derived compounds
		Peptides and proteins
			Harpins
			Flagellin, elongation factor Tu, and others
		Exoploysaccharides (EPSs)
		Lipopolysaccharides (LPSs)
		Rhamnolipids
		Chitin and chitosan
		Ergosterol
	Algae derived-compounds
		Fucans
		Laminarins
		Carrageenans
		Ulvans
	Plants derived-compounds
		Proteins/peptides
		Oligogalacturonides
		Hexanoic acid
		Salicylic acid
		Jasmonates
	Organic compounds
		Biochar
		Vitamins
	Conclusions and perspectives
	References
6
Induction of plant resistance to biotic stress by priming with β-aminobutyric acid (BABA) and its effect on ...
	Introduction
	Interactions between Rhizobium spp. and legumes
	The plant immune system
		Quorum sensing
		Antimicrobial peptides
		Induced resistance
	Priming with rhizobia and BABA for induced systemic resistance and its effect on nitrogen fixation
	Concluding remarks
	Acknowledgments
	References
	Further reading
7
Drought stress memory and subsequent drought stress tolerance in plants
	A brief history of plant memory concept
	Drought under changing environment
	Drought impact on plants
	Drought stress memory
	Conclusion
	References
8
Reactive nitrogen species mediated cross-stress tolerance in plants
	Introduction
	RNS-mediated PTMs
	Gene expression regulation by RNS, ROS, and RSS
	Crosstalk among RNS, ROS, and RSS
	Are RNSs working along with small signaling molecules?
	Conclusions and perspectives
	References
	Further reading
9
Drought priming-induced heat tolerance: Metabolic pathways and molecular mechanisms
	Introduction
	Regulation of photosynthesis through drought priming for acquired heat tolerance
	Regulation of antioxidant protection through drought priming for acquired heat tolerance
	Metabolic reprogramming associated with drought priming-enhanced heat tolerance
		Hormones
		Osmoregulants and stress protective metabolites
		Fatty acid and lipid metabolism
	Molecular responses to drought priming for acquired heat tolerance
	Stress memory and epigenetic changes involved in drought priming-induced heat tolerance
	Conclusions and future research perspectives
	Acknowledgments
	References
10
Heat shock induced stress tolerance in plants: Physiological, biochemical, and molecular mechanisms of acquir ...
	Introduction
	Thermotolerance
		Signaling
		Heat tolerance mechanisms
	Heat shock induced cross-tolerance
		Heat shock induced tolerance to heavy metals
		Heat shock induced tolerance to low temperature
		Heat shock induced tolerance to drought
		Heat shock induced tolerance to salinity
	Conclusions and future perspectives
	References
11
Heat priming induces intra- and trans-generational thermo-tolerance in crop plants
	Introduction
	Intra-generation induction of heat tolerance by heat priming
	Effects of heat priming on heat stress during the successive generation
	Conclusion and perspective
	References
12
Induction of cross tolerance by cold priming and acclimation in plants: Physiological, biochemical and molecu ...
	Introduction
	Cold priming
		Seed priming
		Priming effects in gametophyte
		Priming effects in vegetative tissues
	Cold acclimation and low temperature effects
		Photosynthetic adaptation to low temperature
		Antioxidative system acclimation to low temperature
		Membrane acclimation to low temperature
		Metabolic acclimation to low temperature
		Proteomic acclimation to low temperature
	Stress memory
		Cross-stress memory
		Transgenerational stress memory
	Hormonal regulation
		Abscisic acid
		Melatonin
		Salicylic acid
		Brassinosteroids
		Nitric oxide
	Conclusions and future research prospects
	Acknowledgments
	References
13
Role of reactive oxygen species in modulating cross tolerance in plants via flavonoids
	Introduction
	Plants defense mechanism toward ROS
		Flavonoids as ROS quenchers
	Elicitation approaches for rendering induced cross-tolerance in plants
	Studies showing the role of flavonoids in imparting cross-tolerance in plants
	MYB transcription factors and stress tolerance
	Conclusion
	References
	Further reading
14
Hydrogen sulfide: A novel signaling molecule in plant cross-stress tolerance
	Introduction
	Cross-stress tolerance and candidate signaling molecules in plants
	H2S-triggered cross-stress tolerance and underlying mechanisms in plants
		Heat tolerance
		Cold tolerance
		Salt tolerance
		Drought tolerance
		Hypoxia/anoxia tolerance
		Heavy metal tolerance
	Conclusion and perspective
	References
15
Plant transcriptional regulation in modulating cross-tolerance to stress
	Introduction
	Cross-stress tolerance
	Signaling molecules
		ROS, methylglyoxal, and nitric oxide
		Mitogen activated protein kinases
		Heat shock proteins and heat shock transcription factors
		Phytohormones
		MicroRNAs
	Mechanism of transcriptional regulation and cross-tolerance
		Oxidative stress-related cis elements and factors
		cis-Elements and binding factors
		Hormone-mediated responses
		miRNA-mediated regulation
		Epigenetics and transgenerational stress memory
	Concluding remarks and perspectives
	References
	Further reading
16
Molecular mechanisms regulating priming and stress memory
	Introduction
	Mechanisms regulating priming and stress memory
	Interplay between epigenetics and the stress response
		Epigenetic machinery in plants: DNA methylation, histone modifications, and their interplay
		Epigenetic modifications induced by stress
		Interplay between priming and epigenetic regulation
	Transgenerational memory of stress
		Examples of transgenerational inheritance: Epialleles
		Inheritance of stress-induced epigenetic changes
		Transgenerational memory of stress
	Conclusion and perspective
	References
17
Abiotic and biotic stress interactions in plants: A cross-tolerance perspective
	Introduction
	Abiotic and biotic stress interactions leading to cross-tolerance
		Effect of abiotic stresses on plant disease resistance
		Effect of biotic stresses on plant tolerance to abiotic stresses
	Convergence of abiotic and biotic stress signals during cross-tolerance
		Reactive oxygen species
		Phytohormones and growth regulators
			Role of ABA, an abiotic stress hormone, in plant defense responses
			Role of SA, JA, and ET in abiotic stress responses
	Genetic control of cross-tolerance to abiotic and biotic stresses
		Kinases
		Transcription factors
	Achieving cross-tolerance of plants to abiotic and biotic stresses
		Targeted breeding
		Gene pyramiding through transgenic approach
		Chemical or biological priming
	Conclusions
	Acknowledgment
	References
18
Seed priming-induced physiochemical and molecular events in plants coupled to abiotic stress tolerance: An ov ...
	Introduction
	Seed priming and germination events
	Seed priming induced physiochemical and molecular events aiding in abiotic stress tolerance
		Functional metabolism and physiology
		Antioxidants
			Nonenzymatic antioxidants
			Enzymatic antioxidants
		Phytohormones
		Cell signaling
	Seed priming induced stress memory
	Seed priming induced epigenetic changes
	Conclusion and future perspective
	References
	Further reading
19
Cross-tolerance to abiotic stress at different levels of organizations: Prospects for scaling-up from labora ...
	Introduction
	Controlled versus realistic conditions in stress experiments
	Some common problems in the studies of water stress in plants
	How to achieve agronomic tolerance to water stress?
		Morpho-physiological traits linked to water stress tolerance in crops
	Drought tolerance: Beyond physiological and biochemical traits
	The scaling-up between laboratory versus crop conditions: Is it possible?
		Drought tolerance through priming with abscisic acid or related substances
	Conclusions
	References
Index
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