ArticleBioresources and bioprocessing2022
Genome and transcriptome analysis of rock-dissolving Pseudomonas sp. NLX-4 strain.
Article in Bioresources and bioprocessing, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Effects of Microbial Inoculants from Three Nutrient-Poor Environments on Soil Improvement and Plant Growth Promotion in Sandy Soil.Microorganisms · 2026Article
- Silicate minerals enhance the expression of genes related to mineral dissolution byApplied and environmental microbiology · 2026Article
- DecodingApplied and environmental microbiology · 2025Article
- Microbial-derived salt-tolerant proteases and their applications in high-salt traditional soybean fermented foods: a review.Bioresources and bioprocessing · 2023Review
- Integration of ARTP Mutation and Adaptive Laboratory Evolution to Reveal 1,4-Butanediol Degradation in Pseudomonas putida KT2440.Microbiology spectrum · 2023Article
- Plant and Native Microorganisms Amplify the Positive Effects of Microbial Inoculant.Microorganisms · 2023Article
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Authors and funding
7 authors.
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Abstract
Microbial weathering processes can significantly promote soil properties and reduce rock-to-soil ratio. Some soil-inhabiting bacteria exhibit efficient rock-dissolution abilities by releasing organic acids and other chemical elements from the silicate rocks. However, our understanding of the molecular mechanisms involved during bacterial rock-dissolution is still limited. In this study, we performed silicate rock-dissolution experiments on a Pseudomonas sp. NLX-4 strain isolated from an over-exploited mining site. The results revealed that Pseudomonas sp. NLX-4 strain efficiently accelerates the dissolution of silicate rocks by secreting amino acids, exopolysaccharides, and organic acids. Through employing genome and transcriptome sequencing (RNA-seq), we identified the major regulatory genes. Specifically, 15 differentially expressed genes (DEGs) encoding for siderophore transport, EPS and amino acids synthesis, organic acids metabolism, and bacterial resistance to adverse environmental conditions were highly up-regulated in silicate rock cultures of NLX-4 strain. Our study reports a potential bacterial based approach for improving the ecological restoration of over-exploited rock mining sites.
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