Rhizosphere Microorganisms Supply Availability of Soil Nutrients and Induce Plant Defense

Microorganisms, Journal Year: 2024, Volume and Issue: 12(3), P. 558 - 558

Published: March 11, 2024

Plant health is necessary for food security, which a key determinant of secure and sustainable production systems. Deficiency soil nutrients invasion plant pathogens or insects are the main destroyers world’s production. Synthetic fertilizers chemical-based pesticides frequently employed to combat problems. However, these have negative impacts on microbial ecosystems ecosystem functioning. Rhizosphere microorganisms demonstrated their potency improve manage encourage growth, resulting in increased yield quality by converting organic inorganic substances around rhizosphere zone into available nutrients. Besides regulating nutrient availability growth enhancement, rhizobacteria fungi can restrict that cause disease secreting inhibitory chemicals boosting immunity pests pathogens. Thus, viewed as viable, alluring economic approaches agriculture biofertilizers biopesticides. This review provides an overview role inducing defenses. Moreover, discussion presented surrounding recent consequences employing strategy towards improving fertilization effectiveness, encouraging stronger, more pest-resistant plants.

Language: Английский

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The Versailles Arabidopsis Stock Center (VASC): original genetic resources exploiting both induced and natural diversity to investigate gene functions and analyze the impact of variation on plant biology

Genetic Resources, Journal Year: 2025, Volume and Issue: S2, P. 70 - 77

Published: Feb. 19, 2025

Arabidopsis thaliana is a powerful plant model for functional biology, genetics and, more recently, population genomics. The Versailles Stock Center collects, produces, preserves, characterizes and distributes various biological resources. Besides large collections of mutants, including homozygous mutant lines, this stock centre offers numerous natural genotypes collected worldwide, as well resources resulting from crosses between these variants. Most the are unique can be useful to wide range users, ensuring cumulative characterization same material over time. They accompanied by molecular characterization, genotyping or sequencing data, enabling analysis diversity’s impact, particularly on complex traits. made easily reliably available through an information system comprising database web portal description distribution (https://publiclines.versailles.inrae.fr/). Several thousand seed lots provided each year international scientific community.

Language: Английский

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The genetic architecture of adaptation to the root microbiota in plants

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 57 - 68

Published: Jan. 1, 2025

Language: Английский

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Attribution of dispersal limitation can better explain the assembly patterns of plant microbiota

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: Oct. 24, 2023

Disentangling community assembly processes is crucial for fully understanding the function of microbiota in agricultural ecosystems. However, numerous plant microbiome surveys have gradually revealed that stochastic dominate endophytic root conflict with strong host filtering effects, which an important issue. Resolving such conflicts or inconsistencies will not only help accurately predict composition and structure its driving mechanisms, but also provide guidance on correlation between relative importance deterministic microbiota, crop productivity nutritional quality. Here, we propose inappropriate division dispersal limitation may be main reason inconsistency, can resolved after proportion incorporated into processes. The rationality this adjustment under framework formation a holobiont herein explained, potential theoretical dynamic patterns along soil–plant continuum proposed. Considering complicated, suggest caution level-by-level verification from to neutral components when deciding attribution future promote expansion application engineering sustainable development based patterns.

Language: Английский

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Toward Ecologically Relevant Genetics of Interactions Between Host Plants and Plant Growth‐Promoting Bacteria

Advanced Genetics, Journal Year: 2024, Volume and Issue: 5(3)

Published: March 21, 2024

Abstract The social movement to reduce reliance on pesticides and synthesized fertilizers the growing global demand for sustainable food supplies require development of eco‐friendly agricultural practices. In line, plant growth‐promoting bacteria (PGPB) can participate in creating innovative agroecological systems. While effectiveness PGPB is highly influenced by abiotic conditions microbe–microbe interactions, beneficial plant–PGPB interactions also depend both host genotype. Here, state art extent natural genetic variation underlying architecture, particular Arabidopsis thaliana reviewed. Extensive response associated with a polygenic architecture pathways rarely mentioned as being involved PGPB. To date, within little explored, which may turn allow identification new benefits plants. Accordingly, several avenues better understand genomic molecular landscape are introduced. Finally, need establishing thorough functional studies candidate genes Quantitative Trait Loci estimating genotype‐by‐genotype‐by‐environment context realistic (agro‐)ecological advocated.

Language: Английский

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Biotic interactions promote local adaptation to soil in plants

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: June 18, 2024

Abstract Although different ecological factors shape adaptative evolution in natural habitats, we know little about how their interactions impact local adaptation. Here used eight generations of experimental with outcrossing Brassica rapa plants as a model system, treatment groups that varied soil type, herbivory (with/without aphids), and pollination mode (hand- or bumblebee-pollination), to study biotic affect adaptation soil. First, show several plant traits evolved response soil-specific way. Second, using reciprocal transplant experiment, demonstrate significant soil-type the “number open flowers”, trait fitness proxy, but only bee pollination. Whole genome re-sequencing lines revealed caused 10-fold increase number SNPs across allele frequency change, alleles opposite change types (antagonistic pleiotropy) were most common an evolutionary history Our results interaction mutualists antagonists can facilitate type through antagonistic pleiotropy.

Language: Английский

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The Genetic Architecture of Arabidopsis thaliana in Response to Native Non-Pathogenic Bacterial Species Revealed by Genome-Wide Association Mapping in Field Conditions

Phytobiomes Journal, Journal Year: 2024, Volume and Issue: 8(4), P. 556 - 567

Published: May 9, 2024

Non-pathogenic bacteria can substantially contribute to plant health by mobilizing and supplying nutrients, providing protection against pathogens, alleviating abiotic stresses. However, the number of genome-wide association studies reporting genetic architecture response individual members beneficial microbiota remains limited. In this study, we established a study under field conditions estimate level variation underlying among 162 accessions Arabidopsis thaliana originating from 54 natural populations in southwest France 13 strains seven most abundant prevalent non-pathogenic bacterial species isolated leaf compartment A. same geographical region. Using high-throughput phenotyping methodology score vegetative growth-related traits, extensive was detected these bacteria, at both strain levels. The presence crossing reaction norms between each mock treatment indicates that declaring as growth-promoting bacterium is highly dependent on host genotype tested. line with strong genotype-by-genotype interactions, complex flexible strains. Finally, candidate genes quantitative trait loci revealed significant enrichment several biological pathways, including cell, secondary metabolism, signaling, transport. Altogether, innate immunity appears source plant–microbiota interactions opens new avenues for better understanding ecologically relevant molecular dialog during interactions. [Formula: see text] Copyright © 2024 Author(s). This an open access article distributed CC BY-NC-ND 4.0 International license .

Language: Английский

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Genetic architecture of the response of Arabidopsis thaliana to a native plant-growth-promoting bacterial strain

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: Nov. 9, 2023

By improving plant nutrition and alleviating abiotic biotic stresses, growth-promoting bacteria (PGPB) can help to develop eco-friendly sustainable agricultural practices. Besides climatic conditions, soil microbe-microbe interactions, the host genotype influences effectiveness of PGPB. Yet, most GWAS conducted characterize genetic architecture response PGPB are based on non-native interactions between a strains isolated from belowground compartment other plants. In this study, was set up under in vitro conditions describe Arabidopsis thaliana Pseudomonas siliginis, by inoculating seeds 162 natural accessions southwest France with one strain leaf same geographical region. Strong variation growth native observed at regional scale, having positive effect vegetative small plants negative large The polygenic underlying trade-off showed suggestive signatures local adaptation. main eco-evolutionary relevant candidate genes involved seed root development.

Language: Английский

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Microbial communities living inside plant leaves or on the leaf surface are differently shaped by environmental cues

ISME Communications, Journal Year: 2024, Volume and Issue: 4(1)

Published: Jan. 1, 2024

Abstract Leaf-associated microbial communities can promote plant health and resistance to biotic abiotic stresses. However, the importance of environmental cues in assembly leaf endo- epi-microbiota remains elusive. Here, we aimed investigate impact seasonal variations, on establishment microbiome, focusing long-term changes (five years) bacterial, fungal, nonfungal eukaryotic colonizing surface endosphere six wild Arabidopsis thaliana populations. While leaf-microbial were found be highly stochastic, niche had a predominant with endophytic consistently exhibiting lower diversity variability. Among factors, radiation- humidity-related factors are most important drivers patterns leaf, stronger effects epiphytic communities. Using linear models, identified 30 genera whose relative abundance compartments could modeled from variables, suggesting specific preferences for these taxa. With hypothesis that interactions within communities, analyzed interaction networks across compartments. We showed more complex than complexity connectivity partially correlated mentioned cues. Our results indicate humidity solar radiation function as major shaping phyllosphere microbiome at both micro (leaf compartment) macro (site) scales. These findings have practical implications predicting developing field-adapted microbes face global change.

Language: Английский

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Effects of Trichoderma harzianum and Bacillus subtilis on the root and soil microbiomes of the soybean plant INTACTA RR2 PRO™

Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15

Published: Aug. 27, 2024

Introduction Soybean is a significant export product for several countries, including the United States and Brazil. There are numerous varieties of soybean. Among them, genetically modified type known as INTACTA RR2 PRO™ has been designed to demonstrate resistance glyphosate produce toxins that lethal species caterpillars. Limited information available on use Trichoderma harzianum Bacillus subtilis promote plant growth their impact microbiome. Methods This study aimed evaluate effects these microorganisms this soybean cultivar by analyzing parameters, such root shoot dry matter, nutritional status, soil microbial diversity. Results The results indicated treatments with B. alone or in combination T. seed applications significantly enhanced height biomass compared other control. No differences phosphorus nitrogen concentrations were detected across treatments, although some showed close correlations nutrients. Microbial inoculations slightly influenced microbiomes, beta diversity between environments, but had limited overall community composition. Discussion combined application particularly promoted plant-associated groups, Rhizobiaceae, optimizing plant-microbe interactions. Furthermore, resulted slight reduction fungal richness

Language: Английский

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