ArticleMicrobiome2024
Unraveling the interplay between root exudates, microbiota, and rhizosheath formation in pearl millet.
Article in Microbiome, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Harnessing plant-microbe interactions: strategies for enhancing resilience and nutrient acquisition for sustainable agriculture.Frontiers in plant science · 2025Pooled it
- Root anatomical traits modulate the assembly and nitrogen-transformation potential of root-associated microbiomes in a temperate steppe.The New phytologist · 2026Article
- Rhizosphere Microbiome Engineering for Climate-Smart Agriculture: From Synthetic Consortia to Precision Decision Support.Microorganisms · 2026Review
- Co-occurrence networks reveal candidate AMF-microbe assemblages for generalist and crop-specific inocula.Mycorrhiza · 2026Article
- Mechanisms for the formation and maintenance of microhabitat self-organization in the root system of orchid.Frontiers in genetics · 2026Review
- Characterization of black oat root exudates in the presence of interspecific weed species and intraspecific neighbors, and their effects on root traits.Frontiers in plant science · 2026Article
- Advancing Untargeted Metabolomics Through FT-ICR-MS: Challenges and Applications.Analytical science advances · 2025Review
- Beyond genotype: the influence of developmental stage on rice rhizospheric microbiome-metabolome networks.BMC plant biology · 2025Article
- Auxin-Producing Pseudomonas Recruited by Root Flavonoids Increases Rice Rhizosheath Formation through the Bacterial Histidine Kinase Under Soil Drying.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- NovelFrontiers in microbiology · 2025Article
- Quality traits drive the enrichment of Massilia in the rhizosphere to improve soybean oil content.Microbiome · 2024Article
- Cover crop root exudates impact soil microbiome functional trajectories in agricultural soils.Microbiome · 2024Article
- Insights into Bacterial Extracellular Vesicle Biogenesis, Functions, and Implications in Plant-Microbe Interactions.Microorganisms · 2024Review
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe rhizosheath, a cohesive soil layer firmly adhering to plant roots, plays a vital role in facilitating water and mineral uptake. In pearl millet, rhizosheath formation is genetically controlled and influenced by root exudates. Here, we investigated the impact of root exudates on the microbiota composition, interactions, and assembly processes, and rhizosheath structure in pearl millet using four distinct lines with contrasting soil aggregation abilities.
resultsUtilizing 16S rRNA gene and ITS metabarcoding for microbiota profiling, coupled with FTICR-MS metabonomic analysis of metabolite composition in distinct plant compartments and root exudates, we revealed substantial disparities in microbial diversity and interaction networks. The ß-NTI analysis highlighted bacterial rhizosphere turnover driven primarily by deterministic processes, showcasing prevalent homogeneous selection in root tissue (RT) and root-adhering soil (RAS). Conversely, fungal communities were more influenced by stochastic processes. In bulk soil assembly, a combination of deterministic and stochastic mechanisms shapes composition, with deterministic factors exerting a more pronounced role. Metabolic profiles across shoots, RT, and RAS in different pearl millet lines mirrored their soil aggregation levels, emphasizing the impact of inherent plant traits on microbiota composition and unique metabolic profiles in RT and exudates. Notably, exclusive presence of antimicrobial compounds, including DIMBOA and H-DIMBOA, emerged in root exudates and RT of low aggregation lines.
conclusionsThis research underscores the pivotal influence of root exudates in shaping the root-associated microbiota composition across pearl millet lines, entwined with their soil aggregation capacities. These findings underscore the interconnectedness of root exudates and microbiota, which jointly shape rhizosheath structure, deepening insights into soil-plant-microbe interactions and ecological processes shaping rhizosphere microbial communities. Deciphering plant-microbe interactions and their contribution to soil aggregation and microbiota dynamics holds promise for the advancement of sustainable agricultural strategies. Video Abstract.
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