ArticleThe ISME journal2025
Metabolism of hemicelluloses by root-associated Bacteroidota species.
Article in The ISME journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Review
- Article
- Response ofApplied and environmental microbiology · 2026Article
- The precisely regulated keystone taxa facilitate microbial mineralization of soil organic phosphorus via niche partitioning.NPJ biofilms and microbiomes · 2026Article
- Bioprospecting of the Phylum Bacteroidota for Sustainable Agriculture.Plants (Basel, Switzerland) · 2026Review
- Article
- Microbial Inoculants Alleviate Continuous Cropping Obstacles in Eggplant Through Soil Properties and Rhizosphere Microbiota.Microorganisms · 2026Article
- Wood Hemicellulose-Based Spray-Dried Microencapsulation of a Lytic Bacteriophage Preserves Phage Viability and Improves Control of the Bacterial Wilt Pathogen Ralstonia solanacearum.Microbial biotechnology · 2026Article
- A hybrid framework for disease biomarker discovery in microbiome research combining Bayesian networks, machine learning, and network-based methods.Biology methods & protocols · 2026Article
- Unraveling fitness landscapes in plant-associated Bacteroidota.ISME communications · 2026Article
- Pinto bean consumption mitigates colorectal tumorigenesis through reshaping gut microbiota and metabolic signatures.Current research in food science · 2026Article
- Microbial community characterization in semi-hydroponic systems of Starbor kale (Current research in microbial sciences · 2026Article
- Co-exposure of di(2-ethylhexyl) phthalate (DEHP) decreased the submicron plastic stress in soil-plant system.Eco-Environment & Health · 2025Article
- Article
- Uncovering functional deterioration in the rhizosphere microbiome associated with post-green revolution wheat cultivars.Environmental microbiome · 2025Article
- Comparative Analysis of Nano-Bactericides and Thiodiazole-Copper on Tomato Rhizosphere Microbiome.Microorganisms · 2025Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteroidota species are enriched in the plant microbiome and provide several beneficial functions for their host, including disease suppression. Determining the mechanisms that enable bacteroidota to colonise plant roots may therefore provide opportunities for enhancing crop production through microbiome engineering. By focusing on nutrient acquisition mechanisms, we discovered Bacteroidota species lack high affinity ATP-binding cassette transporters common in other plant-associated bacteria for capturing simple carbon exudates. Instead, bacteroidota possess TonB-dependent transporters predicted to import glycans produced by plant polysaccharide breakdown. Metatranscriptomics (oat rhizosphere) identified several TonB-dependent transporters genes that were highly expressed in Flavobacterium (phylum Bacteroidota). Using Flavobacterium johnsoniae as the model, we experimentally validated the function of one highly expressed TonB-dependent transporter, identifying a conserved Xyloglucan utilisation loci conferring the ability to import and degrade xyloglucan, the major hemicellulose secreted from plant roots. Xyloglucan utilisation loci harbour an endoxyloglucanase related to family 5 subfamily 4 subclade 2D glycoside hydrolases carrying a mutation that we demonstrate is required for full activity towards xyloglucan. Based on analysing 700 soil metagenomes, subclade 2D glycoside hydrolases have radiated in soil and are prevalent among plant-associated bacteroidota and certain taxa affiliated with Gammaproteobacteria. In bacteroidota, particularly Flavobacterium species, xyloglucan utilisation loci organisation was highly conserved, which may increase their competitive ability to utilise xyloglucan. Given bacteroidota lack high-affinity nutrient transporters for simple carbon, instead possessing xyloglucan utilisation loci and similar gene clusters, our data suggests hemicellulose exudates provide them with an important carbon source in the rhizosphere.
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