Project description:Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is a persistent nitramine explosive with long-lasting properties. Rhodococcus sp. strain DN22 has been discovered as one of the microorganisms capable of RDX degradation. Despite respectable studies on Rhodococcus sp. strain DN22, the proteins participating in RDX degradation (Oxidoreductase and Cytochrome P450) in the strain remain to be fragments. In this study, complete genome of Rhodococcus sp. strain DN22 was sequenced and analyzed, and the entire sequences of the two genes encoding Oxidoreductase and Cytochrome P450 in Rhodococcus sp. strain DN22 were predicted, which were validated through proteomic data. Besides, despite the identification of certain chemical substances as proposed characterized degradation intermediates of RDX, few studies have investigated the physiological changes and metabolic pathways occurring within Rhodococcus sp. cells when treated with RDX, particularly through the use of mass spectrometry-based omics. Hence, proteomics and metabolomics of Rhodococcus sp. strain DN22 were performed and analyzed with the presence or absence of RDX in the medium. A total of 3186 protein groups were identified and quantified between the two groups, with 117 proteins being significantly differentially expressed proteins. A total of 1056 metabolites were identified after merging positive and negative ion modes, among which 131 metabolites were significantly differential. Through the combined analysis of differential proteomics and metabolomics, several KEGG pathways, including two-component system, ABC transporters, alanine, aspartate and glutamate metabolism, arginine biosynthesis, purine metabolism, nitrogen metabolism, and phosphotransferase system (PTS) were found to be significantly enriched. We expect that our investigation will expand the acquaintance of Rhodococcus sp. strain DN22, and the knowledge of microbial degradation.

2024-05-22 | PXD044565 | Pride

Rhodococcus kroppenstedtii DSM 44908 isolate:DSM 44908

Project description:Rhodococcus kroppenstedtii DSM 44908 genome sequencing

| PRJNA335194 | ENA

Draft Genome Sequence of Rhodococcus triatomae Strain BKS 15-14.

Project description:We report the 5.8-Mb genome sequence of Rhodococcus triatomae BKS 15-14, isolated from an ant hill soil sample, collected from Bhitarkanika Mangrove Reserve Forest, Odisha, India. The draft genome of strain BKS 15-14 consists of 5,824,349 bp, with a G+C content of 69%, 5,387 protein-coding genes, and 57 RNAs.

| S-EPMC3622983 | biostudies-literature

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