The role of endophytes to combat abiotic stress in plants

Plant Stress, Journal Year: 2024, Volume and Issue: 12, P. 100435 - 100435

Published: March 15, 2024

Climatic changes and global warming produce abiotic stressors that affect plant development productivity. Abiotic stressors, such as drought, salt, cold, heat, significantly impair agricultural crop yields. The endophyte is a type of endosymbiont, usually bacteria or fungus lives inside cells doesn't cause disease in the host plant. This review scrutinizes integral contribution endophytes to augmenting stress tolerance plants. core analysis investigates regulatory role mechanism pivotal physiological aspects plants under conditions. includes their involvement managing water uptake maintaining balance during drought salinity stress, regulating osmotic scavenging reactive oxygen species (ROS). Additionally, explores outlines diverse strategies for inoculating applying enhance Endophytes secondary active compounds defend from diseases extracellular enzymes help colonize hosts. Microbial may thrive poor soil conditions through phytohormone production hazardous chemical degradation. use many processes survive nutritional deficiency, heavy metal temperature. These findings suggest rhizobacteria cope with stress. Still, more research needed understand mechanisms side effects maximize sustainable climate-smart agriculture.

Language: Английский

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Synthetic Microbial Communities Enhance Pepper Growth and Root Morphology by Regulating Rhizosphere Microbial Communities

Microorganisms, Journal Year: 2025, Volume and Issue: 13(1), P. 148 - 148

Published: Jan. 13, 2025

Synthetic microbial community (SynCom) application is efficient in promoting crop yield and soil health. However, few studies have been conducted to enhance pepper growth via modulating rhizosphere communities by SynCom application. This study aimed investigate how inoculation at the seedling stage impacts microbiome using high-throughput sequencing technology. significantly increased shoot height, stem diameter, fresh weight, dry chlorophyll content, leaf number, root vigor, tips, total length, root-specific surface area of 20.9%, 36.33%, 68.84%, 64.34%, 29.65%, 27.78%, 117.42%, 35.4%, 21.52%, 39.76%, respectively, relative control. The Chao index Bray–Curtis dissimilarity fungal increased, while bacterial decreased inoculation. abundances key taxa such as Scedosporium, Sordariomycetes, Pseudarthrobacter, norankSBR1031, norankA4b with inoculation, positively correlated indices growth. Our findings suggest that can effectively regulate morphology regulating increasing abundance like Sordariomycetes thereby benefiting nutrient acquisition, resistance improvement, pathogen crops ensure sustainability.

Language: Английский

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Groundbreaking Technologies and the Biocontrol of Fungal Vascular Plant Pathogens

Journal of Fungi, Journal Year: 2025, Volume and Issue: 11(1), P. 77 - 77

Published: Jan. 18, 2025

This review delves into innovative technologies to improve the control of vascular fungal plant pathogens. It also briefly summarizes traditional biocontrol approaches manage them, addressing their limitations and emphasizing need develop more sustainable precise solutions. Powerful tools such as next-generation sequencing, meta-omics, microbiome engineering allow for targeted manipulation microbial communities enhance pathogen suppression. Microbiome-based include design synthetic consortia transplant entire or customized soil/plant microbiomes, potentially offering resilient adaptable strategies. Nanotechnology has advanced significantly, providing methods delivery biological agents (BCAs) compounds derived from them through different nanoparticles (NPs), including bacteriogenic, mycogenic, phytogenic, phycogenic, debris-derived ones acting carriers. The use biodegradable polymeric non-polymeric eco-friendly NPs, which enable controlled release antifungal while minimizing environmental impact, is explored. Furthermore, artificial intelligence machine learning can revolutionize crop protection early disease detection, prediction outbreaks, precision in BCA treatments. Other genome editing, RNA interference (RNAi), functional peptides efficacy against pathogenic fungi. Altogether, these provide a comprehensive framework management diseases, redefining modern agriculture.

Language: Английский

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Revisiting the ecological significance, composition, and functions of plant microbiome: a review

New Zealand Journal of Crop and Horticultural Science, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 33

Published: Jan. 30, 2025

Plants have evolved alongside a diverse array of microorganisms, playing crucial roles in supporting plant growth and health. Considerable knowledge now exists regarding the composition dynamics microbiota, along with functional capabilities individual community members. Given significance microbiome challenges crop farming faces, there is pressing necessity to translate microbial techniques into practical applications. Various approaches enhance are available. However, success applying inoculants field often inconsistent, necessitating improvements. Farming practices genetic makeup can also impact microbiota functioning. Consequently, selecting suitable agronomic breeding strategies that plant-microbiome interactions becomes maximising benefits microbiota. To conclude, exploiting new generation inoculants, adopting microbiota-based farm management approaches, developing improved lines promising avenues optimise utilisation microbiome. This paper provides comprehensive review importance functions plant-associated microbes explains concepts use

Language: Английский

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Designing a synthetic microbial community through genome metabolic modeling to enhance plant–microbe interaction

Environmental Microbiome, Journal Year: 2023, Volume and Issue: 18(1)

Published: Nov. 16, 2023

Manipulating the rhizosphere microbial community through beneficial microorganism inoculation has gained interest in improving crop productivity and stress resistance. Synthetic communities, known as SynComs, mimic natural compositions while reducing number of components. However, achieving this goal requires a comprehensive understanding communities carefully selecting compatible microorganisms with colonization traits, which still pose challenges. In study, we employed multi-genome metabolic modeling 270 previously described metagenome-assembled genomes from Campos rupestres to design synthetic improve yield important plants.We used targeted approach select minimal (MinCom) encompassing essential compounds for metabolism relevant plant interactions. This resulted reduction initial size by approximately 4.5-fold. Notably, MinCom retained crucial genes associated growth-promoting such iron acquisition, exopolysaccharide production, potassium solubilization, nitrogen fixation, GABA IAA-related tryptophan metabolism. Furthermore, our in-silico selection SymComs, based on microbe-microbe-plant interactions, yielded set six hub species that displayed notable taxonomic novelty, including members Eremiobacterota Verrucomicrobiota phyla.Overall, study contributes growing body research their potential enhance agricultural practices. The insights pave way further investigations into development tailored can optimize resilience systems.

Language: Английский

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Importance of pathobiomes to the success of microbial weed biocontrol agents

Biological Control, Journal Year: 2024, Volume and Issue: 192, P. 105498 - 105498

Published: March 15, 2024

The role of microbial communities in the establishment plant pathogens introduced to new environments as weed biocontrol agents is relatively unexplored. Substantial evidence from crop protection research shows how bulk influence establishment, survival, and success pathogens. Just mismatches between agents, host genotypes, climate can lead failure, we propose that resident microbiomes may be a cause apparent failures. From this perspective, discuss recent progress on plant-associated whose interactions disease development, or "pathobiomes," consider implications for agent evaluation release. Open questions about pathobiomes develop rates provide ample opportunity researchers adapt methods analytical frameworks will enhance programs. We conclude by prioritizing development standard include component release studies. Developing pathobiome-aware selection process improve outcomes.

Language: Английский

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The underground world of plant disease: Rhizosphere dysbiosis reduces above‐ground plant resistance to bacterial leaf spot and alters plant transcriptome

Environmental Microbiology, Journal Year: 2024, Volume and Issue: 26(7)

Published: July 1, 2024

Abstract Just as the human gut microbiome is colonized by a variety of microbes, so too rhizosphere plants. An imbalance in this microbial community, known dysbiosis, can have negative impact on plant health. This study sought to explore effect dysbiosis health tomato plants ( Solanum lycopersicum L.), using them and foliar bacterial spot pathogen Xanthomonas perforans model organisms. The rhizospheres 3‐week‐old were treated with either streptomycin or water control, then spray‐inoculated X. after 24 h. Half that both received soil transplants from uninfected donors 48 h was applied. showed 26% increase disease severity compared those did not receive antibiotic. However, transplant exhibited an intermediate level severity. antibiotic‐treated demonstrated reduced abundance rhizobacterial taxa such Cyanobacteria genus Cylindrospermum . They also down‐regulation genes related primary secondary metabolism, up‐regulation defence associated induced systemic resistance. highlights vital role beneficial microbes play resistance, even against pathogens.

Language: Английский

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Higher-order interactions and emergent properties of microbial communities: The power of synthetic ecology

Heliyon, Journal Year: 2024, Volume and Issue: 10(14), P. e33896 - e33896

Published: July 1, 2024

Humans have long relied on microbial communities to create products, produce energy, and treat waste. The microbiota residing within our bodies directly impacts health, while the soil rhizosphere microbiomes influence productivity of crops. However, complexity diversity make them challenging study difficult develop into applications, as they often exhibit emergence unpredictable higher-order phenomena. Synthetic ecology aims at simplifying by constituting synthetic or semi-natural with reduced that become easier analyze. This strategy combines methodologies simplify existing complex systems (top-down approach) build system from its constituent components (bottom-up approach). Simplified are studied understand how interactions among populations shape behavior community model predict their response external stimuli. By harnessing potential through a multidisciplinary approach, we can advance knowledge ecological concepts address critical public agricultural, environmental issues more effectively.

Language: Английский

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Integration of Phenotypes in Microbiome Networks for Designing Synthetic Communities: a Study of Mycobiomes in the Grafted Tomato System

Applied and Environmental Microbiology, Journal Year: 2023, Volume and Issue: 89(6)

Published: May 24, 2023

The realized benefits of microbiome analyses for plant health and disease management are often limited by the lack methods to select manageable testable synthetic microbiomes. We evaluated composition diversity root-associated fungal communities from grafted tomatoes.

Language: Английский

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Application of Synthetic Microbial Communities of Kalidium schrenkianum in Enhancing Wheat Salt Stress Tolerance

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(2), P. 860 - 860

Published: Jan. 20, 2025

Soil salinization poses a significant challenge to global agriculture, particularly in arid and semi-arid regions like Xinjiang. Kalidium schrenkianum, halophytic plant adapted saline-alkaline conditions, harbors endophytic microorganisms with potential growth-promoting properties. In this study, 177 bacterial strains were isolated from K. 11 key identified through functional screening based on salt tolerance, nutrient solubilization, traits. Synthetic microbial communities (SMCs) then constructed using these optimized enhance wheat growth under stress. The SMCs significantly improved seed germination, root length, seedling vigor both spring winter hydroponic pot experiments. Furthermore, the enhanced activities of antioxidant enzymes, including superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), levels malondialdehyde (MDA) proline (PRO). They also reduced oxidative stress chlorophyll content seedlings. These results demonstrate consortia derived extreme environments as eco-friendly biofertilizers for improving crop performance saline soils, offering sustainable alternative chemical fertilizers contributing agricultural resilience productivity.

Language: Английский

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