Plant Stress, Journal Year: 2024, Volume and Issue: 14, P. 100661 - 100661
Published: Nov. 6, 2024
Language: Английский
Frontiers in Microbiology, Journal Year: 2023, Volume and Issue: 14
Published: Sept. 27, 2023
The present crisis at hand revolves around the need to enhance plant resilience various environmental stresses, including abiotic and biotic ensure sustainable agriculture mitigate impact of climate change on crop production. One such promising approach is utilization growth-promoting rhizobacteria (PGPR) mediate these stresses. Plants are constantly exposed stress factors, as drought, salinity, pathogens, nutrient deficiencies, which can significantly reduce yield quality. PGPR beneficial microbes that reside in rhizosphere plants have been shown positively influence growth tolerance through mechanisms, solubilization, phytohormone production, induction systemic resistance. review comprehensively examines mechanisms promotes resilience, acquisition, hormonal regulation, defense induction, focusing recent research findings. advancements made field PGPR-mediated multi-omics approaches ( viz. , genomics, transcriptomics, proteomics, metabolomics) unravel intricate interactions between discussed their molecular pathways involved tolerance. Besides, also emphasizes importance continued implementation PGPR-based strategies address pressing challenges facing global food security commercialization bio-formulations for agricultural.
Language: Английский
Citations
54
Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14
Published: Nov. 15, 2023
The global healthcare market in the post-pandemic era emphasizes a constant pursuit of therapeutic, adaptogenic, and immune booster drugs. Medicinal plants are only natural resource to meet this by supplying an array bioactive secondary metabolites economic, greener sustainable manner. Driven thrust demand for immunity imparting nutraceutical life-saving plant-derived drugs, acreage commercial cultivation medicinal has dramatically increased recent years. Limited resources land water, low productivity, poor soil fertility coupled with climate change, biotic (bacteria, fungi, insects, viruses, nematodes) abiotic (temperature, drought, salinity, waterlogging, metal toxicity) stress necessitate plant productivity enhancement through strategies. Plants evolved intricate physiological (membrane integrity, organelle structural changes, osmotic adjustments, cell tissue survival, reclamation, root-shoot ratio, antibiosis, hypersensitivity, etc.), biochemical (phytohormones synthesis, proline, protein levels, antioxidant enzymes accumulation, ion exclusion, generation heat-shock proteins, synthesis allelochemicals. cellular (sensing signals, signaling pathways, modulating expression stress-responsive genes etc.) mechanisms combat stresses. Endophytes, colonizing different tissues, synthesize novel compounds that can harness mitigate environmental cues, thus making agroecosystems self-sufficient toward green approaches. host set endophytes another interact highly complex manner involving adaptive mechanisms, including appropriate responses triggered stimuli received from sensors situated on cytoplasm transmitting signals transcriptional machinery nucleus withstand stressful environment effectively. Signaling pathways serve as crucial nexus sensing establishing plants’ proper molecular responses. However, underlying critical endophytic microbes meager. This review comprehends diversity endophyte-mediated plant-microbe interactions tolerance understanding cascades defined Leveraging knowledge, researchers design specific microbial formulations optimize health, increase nutrient uptake, boost crop yields, support resilient, agricultural system.
Language: Английский
Citations
28
Plants, Journal Year: 2023, Volume and Issue: 12(23), P. 3982 - 3982
Published: Nov. 27, 2023
Plants, being sessile, have developed complex signaling and response mechanisms to cope with biotic abiotic stressors. Recent investigations revealed the significant contribution of phytohormones in enabling plants endure unfavorable conditions. Among these phytohormones, jasmonic acid (JA) its derivatives, collectively referred as jasmonates (JAs), are particular importance involved diverse signal transduction pathways regulate various physiological molecular processes plants, thus protecting from lethal impacts Jasmonic has emerged a central player plant defense against stress alleviating multiple stressors such drought, salinity, vernalization, heavy metal exposure. Furthermore, growth regulator, JA operates conjunction other through cascade balance development stresses. Although studies reported intricate nature biomolecular entity for mitigation stressors, their underlying mechanism biosynthetic remain poorly understood. Therefore, this review offers an overview recent progress made understanding biosynthesis JA, elucidates complexities pathways, emphasizes pivotal role mitigating Moreover, we also discuss current issues future research directions JAs responses.
Language: Английский
Citations
25
Environmental Pollutants and Bioavailability, Journal Year: 2024, Volume and Issue: 36(1)
Published: March 6, 2024
Endophytes, as microorganisms widely present in plants, have an important role plant growth and development. Abiotic stresses are very essential influence on Endophytes host plants diverse, however, beneficial endophytes used to make resistant abiotic stresses. This review focuses studying the regulatory roles of different under stresses, explained special pathway related mechanism heavy metal stress, such cadmium, manganese zinc stress. How do dominant respond salt heat stress affect physiological characteristics? In addition, we also summarized potential application reducing toxicity pathogens, promoting crop growth, biomedicine ecological restoration, other aspects, provide reference for further in-depth research action effective utilization endophytes.
Language: Английский
Citations
12
Microbiological Research, Journal Year: 2024, Volume and Issue: 284, P. 127708 - 127708
Published: April 4, 2024
Language: Английский
Citations
10
Plants, Journal Year: 2025, Volume and Issue: 14(3), P. 305 - 305
Published: Jan. 21, 2025
Dendrocalamus latiflorus, a species of giant bamboo, holds significant ecological and economic value. This review delves into the intricate interplay between phytohormones sugar metabolism in emphasizing species-specific mechanisms that enhance its adaptability rapid growth. By synthesizing recent research, this work highlights how phytohormones, including auxins, cytokinins, abscisic acid, regulate pathways such as glycolysis starch degradation response to environmental stimuli. These hormones influence crucial plant processes, cell division, elongation, stress responses, glycolysis, tricarboxylic acid cycle, oxidative phosphorylation. Geographic variations these processes are examined, demonstrating their role adaptation resilience. For instance, populations nutrient-rich soils exhibit enhanced cytokinin activity transport efficiency, while those water-limited areas display elevated levels, aiding drought tolerance. targeted focus on D. latiflorus provides novel insights potential applications sustainable forestry agroforestry systems. integrating advances, critical phytohormone–sugar improving productivity resilience with implications for systems climate change adaptation.
Language: Английский
Citations
1
The Plant Journal, Journal Year: 2023, Volume and Issue: 117(1), P. 193 - 211
Published: Oct. 9, 2023
SUMMARY Soil salinity severely threatens plant growth and crop yields. The utilization of PGPR is an effective strategy for enhancing salt tolerance, but the mechanisms involved in this process have rarely been reported. In study, we investigated effects Bacillus subtilis CNBG‐PGPR‐1 on improving tolerance elucidated molecular pathways involved. results showed that significantly improved cellular homeostasis photosynthetic efficiency leaves reduced ion toxicity osmotic stress caused by tomato. Transcriptome analysis uncovered enhanced through activation complex pathways, with hormone signal transduction playing important role. Comparative pharmacological experiments confirmed ethylene pathway was closely related to beneficial effect tolerance. Furthermore, found methionine, a precursor synthesis, accumulated response Exogenous L‐methionine largely mimicked activated expression pathway‐related genes, indicating induces methionine accumulation regulate Finally, salt‐induced ROS activating scavenger‐encoding mainly GSH metabolism POD‐related which were also linked metabolism. Overall, our studies demonstrate CNBG‐PGPR‐1‐induced key regulator scavenging, providing novel understanding mechanism microbes improve
Language: Английский
Citations
21
Nature, Journal Year: 2024, Volume and Issue: 633(8031), P. 872 - 877
Published: Aug. 28, 2024
Abstract Early plant responses to different stress situations often encompass cytosolic Ca 2+ increases, plasma membrane depolarization and the generation of reactive oxygen species 1–3 . However, mechanisms by which these signalling elements are translated into defined physiological outcomes poorly understood. Here, study basis for encoding specificity in signal processing, we used light-gated ion channels (channelrhodopsins). We developed a genetically engineered channelrhodopsin variant called XXM 2.0 with high conductance that enabled triggering elevations planta. Plant light-induced influx through were studied side effects caused an anion efflux ACR1 4 Although both tools triggered depolarizations, their activation led distinct responses: 2.0-induced signals stimulated production defence mechanisms; 2.0-mediated drought responses. Our findings imply discrete serve as triggers specific metabolic transcriptional reprogramming enabling plants adapt particular situations. optogenetics approach unveiled within leaves, fluxes, accompanied similar electrical signals.
Language: Английский
Citations
8
International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(2), P. 760 - 760
Published: Jan. 7, 2024
Tomato (Solanum lycopersicum L.) is one of the most commercially essential vegetable crops cultivated worldwide. In addition to nutritional value, tomato an excellent model for studying climacteric fruits’ ripening processes. Despite this, available natural pool genes that allows expanding phenotypic diversity limited, and difficulties crossing using classical selection methods when stacking traits increase proportionally with each additional feature. Modern genetic engineering tomatoes have extensive potential applications, such as enhancing expression existing gene(s), integrating artificial heterologous pointing changes in target gene sequences while keeping allelic combinations characteristic successful commercial varieties, many others. However, it necessary understand fundamental principles molecular regulation involved fruit its use creating new varieties. Although candidate mediate been identified, a complete picture their relationship has yet be formed. This review summarizes latest (2017–2023) achievements related processes fruits. work attempts systematize results various research articles display interaction pattern regulating process ripening.
Language: Английский
Citations
7
Frontiers in Microbiology, Journal Year: 2024, Volume and Issue: 15
Published: Feb. 9, 2024
Soil salinity is one of the major environmental stresses that results in reduction cultivable land and decreased productivity. In present study, halotolerant plant growth-promoting endophytic fungi were isolated from Catharanthus roseus , their effect mitigating salt stress Vigna radiata was evaluated. An isolate CR7, identified to be Aspergillus terreus showing growth promotion activities, viz. IAA production (23.43 ± 0.79 μg/ml), phosphate solubilization (133.63 6.40 ACC deaminase activity (86.36 2.70 μmol α-ketobutyrate/h/mg protein) etc. ability grow at 15% NaCl selected for further vivo studies. Colonization CR7 carried out V. which subjected different concentrations (150, 200, 250 mM NaCl). Under stress, A. inoculated plants showed substantially improved root shoot length, biomass, chlorophyll content, relative water phenolics, protein DPPH scavenging activity. Endogenous level enhanced by 5.28-fold treated maximum stress. Inoculation affected oxidative parameters, exhibiting an increase catalase superoxide dismutase proline, electrolyte leakage, malondialdehyde content. Fluorescent microscopic analysis roots revealed cell viability levels glutathione hydrogen peroxide under plants. The also protected against DNA damage induced evaluated using comet assay. A decrease tail moment, olive moment extent 19.87%, 19.76%, 24.81%, respectively, observed CR7-colonized It can concluded exploited alleviating impact crop
Language: Английский
Citations
6