ArticleWorld journal of microbiology & biotechnology2015
Isolation and the interaction between a mineral-weathering Rhizobium tropici Q34 and silicate minerals.
Article in World journal of microbiology & biotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 36 citations in OpenAlex.
- Unraveling the biochemical and kinetic mechanisms of potassium solubilization from biotite by a Burkholderia strain.PloS one · 2026Article
- Controlled-release potassium sulfate combined with the deep banding method on soybean productivity and soil microbial characteristics.Frontiers in plant science · 2026Article
- Microbially mediated silicon-based agro-wastes: a possible option in reducing bioaccumulation of arsenic.Frontiers in nutrition · 2025Review
- The Multiple Role of Silicon Nutrition in Alleviating Environmental Stresses in Sustainable Crop Production.Plants (Basel, Switzerland) · 2022Review
- Contribution of Arbuscular Mycorrhizal Fungi, Phosphate-Solubilizing Bacteria, and Silicon to P Uptake by Plant.Frontiers in plant science · 2021Review
- Silicon-Solubilizing Media and Its Implication for Characterization of Bacteria to Mitigate Biotic Stress.Frontiers in plant science · 2020Article
- Distinct Mineral Weathering Behaviors of the Novel Mineral-Weathering Strains Rhizobium yantingense H66 and Rhizobium etli CFN42.Applied and environmental microbiology · 2016Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The purposes of this study were to isolate and evaluate the interaction between mineral-weathering bacteria and silicate minerals (feldspar and biotite). A mineral-weathering bacterium was isolated from weathered rocks and identified as Rhizobium tropici Q34 based on 16S rRNA gene sequence analysis. Si and K concentrations were increased by 1.3- to 4.0-fold and 1.1- to 1.7-fold in the live bacterium-inoculated cultures compared with the controls respectively. Significant increases in the productions of tartaric and succinic acids and extracellular polysaccharides by strain Q34 were observed in cultures with minerals. Furthermore, significantly more tartaric acid and polysaccharide productions by strain Q34 were obtained in the presence of feldspar, while better growth and more citric acid production of strain Q34 were observed in the presence of biotite. Mineral dissolution experiments showed that the organic acids and polysaccharides produced by strain Q34 were also capable of promoting the release of Si and K from the minerals. The results showed that the growth and metabolite production of strain Q34 were enhanced in the presence of the minerals and different mineral exerted distinct impacts on the growth and metabolite production. The bio-weathering process is probably a synergistic action of organic acids and extracellular polysaccharides produced by the bacterium.
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