Salinity stress in crop plants: Effects and eco-friendly management

Advances in food security and sustainability, Journal Year: 2024, Volume and Issue: unknown, P. 103 - 143

Published: Jan. 1, 2024

Language: Английский

---

Root System Architecture and Salt Stress Responses in Cereal Crops

Journal of Agronomy and Crop Science, Journal Year: 2024, Volume and Issue: 210(6)

Published: Oct. 10, 2024

ABSTRACT Cereal crops are cultivated across diverse regions globally, facing numerous environmental challenges, with salinity posing a significant threat to their growth and productivity. Plants respond stress (SS) through various morphological physiological mechanisms. Notably, root system architecture (RSA) has emerged as crucial factor in aiding nutrient uptake ensuring efficient water supply, reshaping plant responses, particularly under SS. However, assessing visualizing RSA patterns different is more challenging than aboveground parts, often leading neglect research. Roots serve dual role SS: preventing Na + (sodium) from soil its accumulation into shoots. This review highlights the impact of SS on remodeling RSA, encompassing phenology, cytology, genetic regulation. It offers comprehensive insights architecture, functionalities, hormonal crosstalk, agronomic strategies tailored for cereals crops. These aim optimize resource capture, mitigate uptake—known reduce yield saline conditions—and explore potential avenues engineering roots circumvent

Language: Английский

---

Jasmonate signaling controls negative and positive effectors of salt stress tolerance in rice

Journal of Experimental Botany, Journal Year: 2023, Volume and Issue: 74(10), P. 3220 - 3239

Published: March 4, 2023

Abstract Plant responses to salt exposure involve large reconfigurations of hormonal pathways that orchestrate physiological changes towards tolerance. Jasmonate (JA) hormones are essential withstand biotic and abiotic assaults, but their roles in tolerance remain unclear. Here we describe the dynamics JA metabolism signaling root leaf tissue rice, a plant species is highly exposed sensitive salt. Roots activate pathway an early pulse, while second displays biphasic response with peaks at 1 h 3 d post-exposure. Based on higher rice JA-deficient mutant (aoc), examined, through kinetic transcriptome analysis, salt-triggered processes under control. Profound genotype-differential features emerged could underlie observed phenotypes. Abscisic acid (ABA) content ABA-dependent water deprivation were impaired aoc shoots. Moreover, accumulated more Na+ roots, less leaves, reduced ion translocation correlating derepression HAK4 transporter gene. Distinct reactive oxygen scavengers also stronger along senescence chlorophyll catabolism markers. Collectively, our results identify contrasted contributions different sectors stress rice.

Language: Английский

---

RALF proteins—a monitoring hub for regulating salinity tolerance in plants

Frontiers in Plant Science, Journal Year: 2025, Volume and Issue: 15

Published: Jan. 3, 2025

in plants is highly complex due to the involvement of several key players regulating ST (Khan et al., 2020;Tanveer and Ahmed, 2020). The SS reduces plant growth by inducing membrane depolarization, which later increases ROS production cytosol activated voltage-gated ROS-activated K + -outward rectifying channel transporter at plasma (PM) (Fig. 1B) (Wegner al. 2011;Shabala 2015). Thus, this context, activation PM-H -ATPase Ca 2+ signaling critical cytosolic homeostasis plants.Compared with alkalization, higher H required reduce SS-induced outward channels (e.g., GORK) (Shabala 2016). results a significant depolarization leading considerable disturbance cell ionic balance metabolism. Plants' ability maintain negative potential (MP) values has been firmly associated their tolerance (Chen 2007;Bose 2015;Chakraborty In RALF proteins are important for alkalization may play an role regulate plants. regulates activity (Gjetting 2020), imposes massive implication regulation via controlling membrane. Though determining MP (Palmgren Nissen, 2011), more MPs operation ion transporters. gradients between extracellular intracellular space create motive force secondary active transport other ions , NH4 NO3 -; PO4 2-; SO4 2-) -coupled co-transport systems RALF-induced modulation be essential factor cellular and, ultimately, metabolism under stress conditions. However, it argued that lead ATP reduction cells, affects survive salinity (Rubio tight RALF-mediated required. there also less evidence prove as upstream inhibitor blocks some or transporters (e.g. SOS1, HAK family) driven gradient.Moreover, diverse RALFs interact receptor proteins, can suggested different affect signal pathways activate transporters/channels LRR domains LRX3 LRX4 both AtRALF22/23 FER salt response (Zhao 2018). Recently 2020) showed pump was increased three times after application 1 µM RALF33/36, while, aha mutant hypersensitive AtRALF1 unknown led net influx cytoplasm increase pH possible (Li 2022). how cells accurately perceive environmental release problem needs solved. triggers apoplastic thereby inhibits (Kesten 2019), however, induce formation mature two halophytes, -ATPases contributes Na efflux from low /H exchanger PM (Bose Such induced could mediated RALF-FER-AHA2 acidification ST. This aspect examined future studies.Ca being component wall structure (Bascom 2018), oscillations cytoplasmic concentration second messenger involved various physiological reactions transmission processes (Thor, 2019;Sanders 1999). So far, only few mediators have found "signatures". Arabidopsis, level promoting reducing (Haruta 2008).Later, relationship confirmed change depends on occurs before alkalinization interacts pHdependent manner calmodulin-like 38 root (Campos Furthermore, RALF33 treatment did not characteristics while RALFL36 effects fer Arabidopsis al.,2020), again suggesting peptides bind receptors trigger pumping PM. Therefore, exploring receptor-induced testing whether overlap direction noteworthy (Tanveer 2018;Choudhary 2021).RALFs overall redox (Zhang For instance, positively hair polar auxin-mediated (Yu 2012). Likewise, related transcription respiratory burst oxidase homologs (RBOH) (Franck 2018).For FER-LLG1-Rop-Guanine Nucleotide Exchange RBOH dependence (Duan 2010;Li 2015).ANX1 ANX2 integrity during pollen tube (Boisson-Dernier 2013), thus protein requires molecules Nonetheless, overproduction inevitable, linked maintaining equilibrium scavenging; thus, Tanveer 2018;Khan Moreover, state tissue-specific NaCl dose-specific (Shah al.). should explored studies.Cell (CW) biosynthesis very mechanism examine CW status, exhibit maintenance (CWIM) system.The CWMI system assists adapting conditions without compromising organization (Liu 2021). adversely CWI, plants' CWIM Having said that, universal messenger, actively concentrations CW, apoplast, raises question relating validity concept. Feng (2018) CWI 1B). sensor Ca2+ into (Feng contains malectin directly de-methyl-esterified HG vitro vivo 2018;Lin 2018;Liu suggests probably senses changes its domain then transduces signals kinase domain. Later, shown dissociate LRX3/4/5-RALFs released LLG1-FER allow transduction behind dissociation LRX3/4/5 further investigated. FEI1 FEI2 LRR-RLK complexes cellulose synthesis (Xu 2008) loss function mutants roots reduced contents (Basu 2015), indicating FEIs sensing.Hormonal important, phytohormones Abscisic acid (ABA) hormone resistance tolerance. crosstalk ABA abiotic stresses including water deficit Studies RALF1-FER pathway activates ABI2 (ABA Insensitive 2) phosphatase GEF1/4/10-ROP11 2012;Chen LRX triple well displayed hypersensitivity, mimicked overexpression RALF22/23 LRX3/4/5-RALF22/23-FER regulated accumulation (ABA, JA, SA) 2021).Moreover, acts regulatory AGB1-a G β-subunit mediating stomatal opening FER-ABG1 reported responses Assmann, Mutants lacking ABG1 phenotype 2018) even AtRALF effective hypersensitivity Contrarily, any levels 2018).Taken example non-vascular plants, PpRALF3 knockout lines resistant moss (Physcomitrium patens), implying functional (Solís-Miranda 2023). phytohormones-e.g., melatonin considered studies. As melatonin-induced enhancement negate salinity-induced preventing channels, MEL elsewhere Shabala, 2020;Huang 2022;Huang 2024).Given gene expression species-and tissuespecific (Kim 2021. five were observed popular 2003) 37 (Abarca A total 765 identified 51 species (Campbell Turner, 2017). Recently, genome-wide association study revealed 163 genes seven Rosaceae family, 45 phylogenetic tree analysis diversification (Fig 1C), genetic differences among govern plants.RALFs widely distributed expansion result interaction intra-and extra-cellular ions, deposition new materials, rearrangement existing walls. During transition vegetative reproductive growth, functions normal life activities achievable because forms network complete these functions.For RALF-FER conserved signaling. significance still outstanding focused examining instance,• does FER-specific internalization conduct focus research.• Equally interesting internalization. While accepted development together components receptors, spatio-temporal aspects such remain largely unknown, light apparent dual RALF.• It worth noting hormones ST, however indirectly fully comprehended.• rebalance yet clear. great challenge research developing crops.• Given family binds large arrays mechanisms specificity RALFs-receptor examined. sensed FERONIA (FER) co-receptor LLGs, perturbation initiates repair Higher entry induces perturbation, dissociates LRXs promotes RALF22/23-induced FER, finally, 2018).Moreover, death through homeostasis, accumulation, Respiratory homolog Phylogenetic rice, soybean. We one model (Arabidopsis thaliana L.), cereal (rice-Oryza sativa legume (soybean-Glycine max L.). first number genes, example, 27 soybeans, 41 ric,e 34 sequences downloaded phytozome (https://phytozome-next.jgi.doe.gov/), rice Genomics Network (https://rice.uga.edu/cgi-bin/gbrowse/rice/) TAIR (www.arabidopsis.org/) databases, respectively. produced using MEGA 11 software Neighbor-Joining (NJ) method 1000 bootstrap replicates.

Language: Английский

---

Crosstalk and interaction among salt stress tolerance pathways

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 513 - 529

Published: Jan. 1, 2025

Language: Английский

---

Bacillus halophilus BH-8 Combined with Coal Gangue as a Composite Microbial Agent for the Rehabilitation of Saline-Alkali Land

Microorganisms, Journal Year: 2025, Volume and Issue: 13(3), P. 532 - 532

Published: Feb. 27, 2025

Saline-alkali land represents a crucial reserve of arable essential for ensuring food security. However, there remains significant deficiency in converting saline-alkali into productive cultivated or grazing areas. Microbial agents hold substantial potential the reclamation soils. In this study, moderately halophilic bacterium, Bacillus halophilus BH-8, was screened from coastal saline soil. We combined strain BH-8 with coal gangue to create composite microbial agent, which shown effectively increase levels available nitrogen, phosphorus, potassium, and organic matter, while reducing pH value Moreover, it significantly enhanced activity various enzymes altered community composition soil, notably increasing abundance Pseudomonas Bacteroidota. These results demonstrate application agent rehabilitating highlight as promising candidate research.

Language: Английский

---

Climate change and abiotic stress: a perspective from underground vegetable crop

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 13 - 38

Published: Jan. 1, 2025

Language: Английский

---

Parthenium hysterophorus’s Endophytes: The Second Layer of Defense against Biotic and Abiotic Stresses

Microorganisms, Journal Year: 2022, Volume and Issue: 10(11), P. 2217 - 2217

Published: Nov. 9, 2022

L. is considered an obnoxious weed due to its rapid dispersal, fast multiplications, and agricultural health hazards. In addition physio-molecular phytotoxic allelochemical usage, this most probably uses endophytic flora as additional line of defense deal with stressful conditions tolerate both biotic abiotic stresses. The aim article report the diversity (fungi bacteria) in

Language: Английский

---

Plant Hormones and Their Regulatory Roles in Abiotic Stress Response

Published: Jan. 1, 2024

Understanding the complex interactions between plant hormones and their corresponding signaling pathways is essential for enhancing resilience in challenging environments. This chapter provides an overview of these interactions, with a specific focus on pivotal role calcium initiating downstream response to abiotic stimuli. Additionally, investigates interplay examines various functions hormones, such as abscisic acid (ABA), jasmonic (JA), ethylene, growth, development, defense against stress. It emphasizes crosstalk hormonal other molecules within stress-signaling networks. The insights presented this contribute formulation strategies improving productivity.

Language: Английский

---

Integrative analysis of transcriptome and metabolome reveal the differential tolerance mechanisms to low and high salinity in the roots of facultative halophyte Avicennia marina

Tree Physiology, Journal Year: 2024, Volume and Issue: 44(8)

Published: July 8, 2024

Abstract Mangroves perform a crucial ecological role along the tropical and subtropical coastal intertidal zone where salinity fluctuation occurs frequently. However, differential responses of mangrove plant at combined transcriptome metabolome level to variable are not well documented. In this study, we used Avicennia marina (Forssk.) Vierh., pioneer species wetlands one most salt-tolerant mangroves, investigate salt tolerance mechanisms under low high using inductively coupled plasma-mass spectrometry, transcriptomic metabolomic analysis. The results showed that HAK8 was up-regulated transported K+ into roots salinity. salinity, AKT1 NHX2 were strongly induced, which indicated transport Na+ compartmentalization maintain ion homeostasis. addition, A. tolerates by up-regulating ABA signaling pathway accumulating more mannitol, unsaturated fatty acids, amino acids' L-ascorbic acid in roots. Under undergoes drastic metabolic network rearrangement roots, such as oxiglutatione up-regulated, while carbohydrates, lipids acids down-regulated and, finally, glycolysis TCA cycle promoted provide energy improve tolerance. Our findings suggest major traits can be attributed complex regulatory mechanisms, show significant differences between

Language: Английский

---