ArticleJournal, genetic engineering & biotechnology2025
Full genome sequences of two strains of Pseudomonas stutzeri isolated from oil reservoirs and their adaptation mechanisms to harsh environments.
Article in Journal, genetic engineering & biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Pseudomonas stutzeri is a type of microorganism widely present in nature, particularly in petroleum-contaminated environments, where it exhibits a high capacity for biodegradation. In this study, two strains of Pseudomonas stutzeri 1W1-1A and DW2-1A, were isolated from oil-water samples from Dagang Oilfield and their whole genomes were sequenced. The whole genome of 1W1-1A is 4,454,378 bp in size, with a GC content of 64.23 % in its single circular chromosome; the whole genome of DW2-1A is 3,967,155 bp in size, with a GC content of 62.98 % in its single circular chromosome. Comparing these two strains with Pseudomonas sp. in the NCBI database, we counted the strains with genes related to hydrocarbon oxidation, nitrate, sulfite, and oxygen reduction in the genome and their global distribution. Genes related to hydrocarbon oxidation, nitrate, sulfite, and oxygen reduction were found in the genome, revealing the survival strategies and adaptation mechanisms of Pseudomonas in extreme oil reservoir environments, including its genomic characteristics, functional gene distribution, and tolerance to different environmental conditions. These findings enrich our understanding of the ecological adaptability and functional evolution of Pseudomonas, providing a new perspective for research in microbial ecology and environmental microbiology. The results of this study offer new strain resources and a scientific basis for microbial enhanced oil recovery (MEOR). Utilizing the hydrocarbon degradation capabilities and biosurfactant production characteristics of these strains is of great significance for microbial industrial applications such as MEOR and the remediation of petroleum-contaminated environments.
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