Unveiling the roles, mechanisms and prospects of soil microbial communities in sustainable agriculture

Discover Soil., Journal Year: 2025, Volume and Issue: 2(1)

Published: Feb. 17, 2025

Abstract Soil hosts diverse microbial communities including bacteria, fungi, archaea, protozoans and nematodes among others, which are fundamental to sustainable agriculture drive essential processes that underpin soil fertility, plant health, ecosystem resilience. They promote growth through mechanisms like nitrogen fixation, phosphorus solubilization, production of growth-promoting substances, enhancement nutrient uptake, improvement structure detoxification harmful substances. Recently, there has been increasing interest in utilizing microorganisms improve health boost efficiency, despite limited understanding diversity, microbe-plant interactions, translating laboratory findings field conditions. This is driven by the urgent need feed growing global population, placing pressure on arable land produce high-quality yields. Conventionally, synthetic fertilizers have extensively used provide nutrients, growth, increase crop productivity. Although revolutionized since green revolution, their overuse significantly harmed reduced review synthesizes current knowledge microbes influence agricultural practices, with a focus cycling plant–microbe interactions. We discuss functions important groups, such as nitrogen-fixing phosphorus-solubilizing bacteria (PSB), fungi. Furthermore, we factors highlight gaps future research maximize potential use agriculture. Understanding significance key increases harnessing vital contributors

Language: Английский

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Molecular Characterization and Plant Growth Promotion Potential of Paenibacillus Dendritiformis Endophyte Isolated from Tecomella Undulata (Roheda)

Current Agriculture Research Journal, Journal Year: 2025, Volume and Issue: 12(3), P. 1170 - 1180

Published: Jan. 15, 2025

In this study, we have isolated a bacterial endophyte Paenibacillus dendritiformis strain RAE13 (Accession number: OR259131) from the leaves of Tecomella undulata (Roheda) plant. The identification species was carried out using 16s-rDNA ribotyping. Subsequently, gauged for its potential to endorse plant growth through various mechanisms such as nitrogen fixation, IAA production, HCN synthesis, siderophore generation, and ammonia production. Furthermore, evaluation focused on endophyte's capacity producing extracellular enzymes, including cellulase, chitinase, protease, amylase, catalase. exhibited synthesize an average 18±0.375 μg/ml indole-3-acetic acid (IAA) after being subjected concentration 5 mg/ml tryptophan over 14-day incubation period. endophytic isolate RAE 13 produced 42.4±0.004 Gibberellin, solubilized phosphate in range 70.2 135.5 μg/ml, 45.5 ammonia. phylogenetic analysis unveiled that had common ancestor maximum nucleotide sequence similarity 98.30% with sp isolates Uttar Pradesh, India. To diminish consumption chemicals conventional farming, results indicated great growth-stimulating inoculant. Henceforward, utilization these enzymes medical industrial applications will be highly beneficial. Additionally, it could enhance tolerance challenging environmental circumstances drought high temperatures.

Language: Английский

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Role of Carbon-Based Nanomaterials in Crop Plants Temperature/Heat Stress Management

Published: Jan. 1, 2025

Language: Английский

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Impact of Carbon-Based Nanomaterials on Soil Microbiomes and Associated Activities

Published: Jan. 1, 2025

Language: Английский

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Enhancing nickel stress tolerance in Micro-Tom tomatoes through biopriming with Paraburkholderia phytofirmans PsJN: insights into growth and physiological responses

Frontiers in Microbiology, Journal Year: 2025, Volume and Issue: 16

Published: March 13, 2025

Introduction The strategic utilization of plant growth-promoting (PGP) rhizospheric bacteria is a sustainable approach to mitigating the negative effects anthropogenic activities and excessive nickel (Ni) accumulation in plants. Given that specific symbiotic interactions depend on direct relationship between species, bacterial strain, heavy metals (HMs), this study aimed investigate Paraburkholderia phytofirmans PsJN seed priming Ni tolerance adult Micro-Tom tomato plants ( Solanum lycopersicum L .). Methods Sterilized seeds were bioprimed with P. for 24 hours then sown into soil. Non-primed, imbibed used as control. After 10 days, seedlings transferred Hoagland nutrient solution. Chronic (10 μM Ni) acute (50 stress conditions induced by supplementing solution salt. experiment lasted approximately 75 covering complete life cycle Various physiological biochemical parameters analyzed. Results Significant differences p < 0.05) observed non-primed terms fruit yield. Bioprimed tomatoes exhibited higher resilience stress, particularly under conditions. Non-primed treated 50 showed statistically lower concentrations chlorophyll total chlorophylls compared tomatoes. Moreover, proline content was generally more stable plants, indicating reduced oxidative stress.The activity antioxidant enzymes distinct patterns nonprimed Conclusion findings suggest biopriming enhances growth stress. This technique appears mitigate Ni-induced effects, at concentrations, making it promising strategy improving performance Ni-contaminated environments. Future studies should explore underlying molecular mechanisms field applications approach.

Language: Английский

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Groundnut (Arachis hypogaea L.) growth and yield enhancement by consortium of diazotrophic and non-rhizobial root nodule endophytic bacteria

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Modern agriculture rely heavily on costly and environmentally pernicious chemical fertilizers. To investigate possible alternatives to fertilization in A. hypogaea cultivation, consortium of three plant growth promoting bacteria (PGPB): P. aeruginosa, A. chrococcum and faecalis were isolated from rhizosphere root nodules using spread plate dilution method Azotobacter chroococcum agar, yeast extract manitol agar media. Isolates identified using cultural, morphological, biochemical molecular characterization. were scaled-up, inoculated into 4000.0g soil pots at rate 4.5 x 10⁶ cfu/ml (A. ), 2.0 10⁹ (P. aeruginosa), 1.5 10⁹ cfu/ml faecalis) the following treatments: Uninoculated (control); NPK; Pseudomonas-Azotobacter; Pseudomonas-Alcaligenes; Pseudomonas-Alcaligenes-Azotobacter in triplicates. Seeds hypogaea belonging two varieties (SAMNUT 25 26) propagated treated soils separate sets. Growth enhancement parameters: germination time, percentage germination, shoot, lengths growth, fresh pods weights, nodule numbers, properties determined after 120 days. Results showed with PGPB enhanced all parameters over uninoculated (control) NPK which statistically significant for lengths, numbers (p < 0.5). Soil properties: pH, P, N, CEC SOM contents maintained enhanced. and soil inoculation offered effective alternative fertilization.

Language: Английский

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Biopriming of Pseudomonas aeruginosa Abates Fluoride Toxicity in Oryza sativa L. by Restricting Fluoride Accumulation, Enhancing Antioxidative System, and Boosting Activities of Rhizospheric Enzymes

Plants, Journal Year: 2025, Volume and Issue: 14(8), P. 1223 - 1223

Published: April 16, 2025

Plant growth-promoting bacteria (PGPB) are free-living microorganisms that actively reside in the rhizosphere and affect plant growth development. These employ their own metabolic system to fix nitrogen, solubilize phosphate, secrete hormones directly impact metabolism of plants. Generating sustainable agricultural production under various environmental stresses requires a detailed understanding mechanisms use promote growth. In present study, Pseudomonas aeruginosa (MW843625), PGP soil bacterium with minimum inhibitory concentration (MIC) 150 mM against fluoride (F), was isolated from fields Chhattisgarh, India, assessed for remedial potential. This study concentrated on biomass accumulation, nutrient absorption, oxidative stress tolerance plants involving antioxidative enzymes. By determining MDA accumulation ROS (O2•− H2O2) Oryza sativa L. F (50 ppm) stress, assessed. The results showed inoculation P. enhanced ability O. seedlings absorb nutrients increased amounts total chlorophyll (Chl), soluble protein, biomass. contrast cultivated F-stress alone, those inoculated along considerably reduced concentrations roots, shoots, grains. alleviation deleterious effects owing has been associated improved activity/upregulation genes (SOD, CAT, APX) comparison only F-subjected plants, which resulted lower O2•−, H2O2, content. Additionally, it also reflected our potential increase activities enzymes such as urease, phosphatase, dehydrogenase, nitrate reductase, cellulase. Accordingly, findings conducted suggest can be exploited not an ideal candidate bioremediation but enhancing fertility promotion development contamination.

Language: Английский

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Bio-prospecting Fluoride Tolerant Bacteria for their Optimistic Contribution in Instigating Resilience against Fluoride Stress in Oryza sativa L.

Biocatalysis and Agricultural Biotechnology, Journal Year: 2024, Volume and Issue: unknown, P. 103412 - 103412

Published: Oct. 1, 2024

Language: Английский

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Multidimensional role of selenium nanoparticles to promote growth and resilience dynamics of Phaseolus vulgaris against sodium fluoride stress

International Journal of Phytoremediation, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 18

Published: Dec. 16, 2024

High fluoride (F) concentrations negatively affect the seed germination, plant growth, development, and yield of crops.

Language: Английский

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Multidimensional role of Pseudomonas : from biofertilizers to bioremediation and soil ecology to sustainable agriculture

Journal of Plant Nutrition, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 27

Published: Oct. 21, 2024

Pseudomonas species are a versatile group of gram-negative bacteria that thrive in diverse ecological niches including soil, water, and plant environments. Their remarkable metabolic flexibility arises from their ability to utilize plethora compounds as carbon or energy sources, feature has attracted extensive scientific research. These microbial powerhouses equipped degrade various pollutants toxins, thereby positioning them valuable allies for bioremediation. This detoxification process is not only claim fame. also exhibits potent biocontrol capabilities, acts guard against pathogens. control strategies includes suite antimicrobial substances, along with an innate outcompete other microbes nutrients stimulate defense. By harnessing these natural defenders, range Pseudomonas-based agents have been formulated agriculture. approach growing interest leveraging strains biofertilizers support sustainable farming practices. bacterial promoters enhance growth by boosting nutrient assimilation promoting robust root systems. New-generation can crop yields fortify soil vitality, offering resilience abiotic stress. offers dual benefit improving agricultural productivity while attenuating the harmful environmental problems caused chemical fertilizers. Overall, versatility makes promising resource, spanning enhancement remediation. As research accelerates, ambition unlock refine myriad applications extraordinary bacteria.

Language: Английский

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