ArticleMicrobial ecology2020
Alterations in the Endophyte-Enriched Root-Associated Microbiome of Rice Receiving Growth-Promoting Treatments of Urea Fertilizer and Rhizobium Biofertilizer.
Article in Microbial ecology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- An in Planta Enrichment Route to Identify Bacterial Root Endophytes.Environmental microbiology reports · 2025Article
- Biodegradation of high-molecular-weight polycyclic aromatic hydrocarbons by a novel species of the genusFrontiers in microbiology · 2025Article
- Soil nutrient amendment increases the potential for inter-kingdom resource competition among foliar endophytes.ISME communications · 2024Article
- Early inoculation of an endophyte alters the assembly of bacterial communities across rice plant growth stages.Microbiology spectrum · 2023Article
- Characterization of diazotrophic root endophytes in Chinese silvergrass (Miscanthus sinensis).Microbiome · 2022Article
- The Impact of Non-Nodulating Diazotrophic Bacteria in Agriculture: Understanding the Molecular Mechanisms That Benefit Crops.International journal of molecular sciences · 2022Review
- Application of ammonium to a N limited arable soil enriches a succession of bacteria typically found in the rhizosphere.Scientific reports · 2022Article
- Microbial inoculants and garbage fermentation liquid reduced root-knot nematode disease and As uptake inChinese herbal medicines · 2022Article
- Cotton straw biochar and compoundFrontiers in plant science · 2022Article
- DiazotrophInternational journal of molecular sciences · 2021Article
- Is the Application of Plant Probiotic Bacterial Consortia Always Beneficial for Plants? Exploring Synergies between Rhizobial and Non-Rhizobial Bacteria and Their Effects on Agro-Economically Valuable Crops.Life (Basel, Switzerland) · 2020Review
- Changes of Root Endophytic Bacterial Community Along a Chronosequence of Intensively Managed Lei Bamboo (Microorganisms · 2019Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
We examined the bacterial endophyte-enriched root-associated microbiome within rice (Oryza sativa) 55 days after growth in soil with and without urea fertilizer and/or biofertilization with a growth-promotive bacterial strain (Rhizobium leguminosarum bv. trifolii E11). After treatment to deplete rhizosphere/rhizoplane communities, washed roots were macerated and their endophyte-enriched communities were analyzed by 16S ribosomal DNA 454 amplicon pyrosequencing. This analysis clustered 99,990 valid sequence reads into 1105 operational taxonomic units (OTUs) with 97% sequence identity, 133 of which represented a consolidated core assemblage representing 12.04% of the fully detected OTU richness. Taxonomic affiliations indicated Proteobacteria as the most abundant phylum (especially α- and γ-Proteobacteria classes), followed by Firmicutes, Bacteroidetes, Verrucomicrobia, Actinobacteria, and several other phyla. Dominant genera included Rheinheimera, unclassified Rhodospirillaceae, Pseudomonas, Asticcacaulis, Sphingomonas, and Rhizobium. Several OTUs had close taxonomic affiliation to genera of diazotrophic rhizobacteria, including Rhizobium, unclassified Rhizobiales, Azospirillum, Azoarcus, unclassified Rhizobiaceae, Bradyrhizobium, Azonexus, Mesorhizobium, Devosia, Azovibrio, Azospira, Azomonas, and Azotobacter. The endophyte-enriched microbiome was restructured within roots receiving growth-promoting treatments. Compared to the untreated control, endophyte-enriched communities receiving urea and/or biofertilizer treatments were significantly reduced in OTU richness and relative read abundances. Several unique OTUs were enriched in each of the treatment communities. These alterations in structure of root-associated communities suggest dynamic interactions in the host plant microbiome, some of which may influence the well-documented positive synergistic impact of rhizobial biofertilizer inoculation plus low doses of urea-N fertilizer on growth promotion of rice, considered as one of the world's most important food crops.
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