Clostridium drakei strain:SL1
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ABSTRACT:
PROVIDER: PRJNA243411 | ENA |
REPOSITORIES: ENA
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Project description:Clostridium drakei strain:SL1 Genome sequencing
| PRJNA384321 | ENA
Project description:The Wood-Ljungdahl pathway in acetogens converts C1 compounds, such as CO2 and CO, into acetyl-CoA. Similarly, the glycine synthase pathway assimilates C1 compounds into glycine. Partial glycine synthase genes are widely conserved in the Wood-Ljungdahl pathway gene cluster but functional relationship between the pathways in autotrophic condition remains unknown. To comprehend, we assembled Clostridium drakei genome (5.7-Mbp) with intact glycine synthase pathway and constructed a genome-scale metabolic model, iSL836, predicting increased metabolic flux rates of the Wood-Ljungdahl pathway and the glycine synthase-reductase associated reactions under autotrophic conditions. Along with the observation of significant transcriptional activation of genes in the pathways, surprisingly, 13C-labeling experiments and enzyme activity assays confirmed the strain synthesizes glycine and converts into acetyl-phosphate. This study suggests the Wood-Ljungdahl and the glycine synthase-reductase pathways convert CO2 into acetyl-CoA and acetyl-phosphate, respectively. In our knowledge, this is the first report on co-utilization of the pathways under autotrophic growth in acetogen.
2019-08-01 | GSE118519 | GEO
Project description:Aspergillus welwitschiae strain:SL1 Genome sequencing and assembly
| PRJNA879868 | ENA
Project description:Halomonas sp. SL1 Genome sequencing and assembly
| PRJNA445724 | ENA
Project description:This study uses iTRAQ based proteomics approach to understand the cellular metabolic machineries present within the Clostridium strain BOH3 (discovered by our group) which can simultaneously utilise both glucose (six carbon sugar) and xylose (five carbon sugar) to produce butanol and riboflavin.
2017-11-30 | PXD005239 | Pride
Project description:Bacillus paranthracis strain:SL1 | isolate:Lili Genome sequencing
| PRJNA815915 | ENA
Project description:Investigation of whole genome gene expression levels in Clostridium acetobutylicum strain 824 grown individually on starch, galactose, lactose, mannose, fructose, glucose, arabinose, xylose, cellobiose, maltose, sucrose
2010-05-15 | GSE18471 | GEO
Project description:Solventogenic Clostridium species ferment carbohydrates to acetone, butanol and ethanol which are well-known next-generation biofuels. However, repeated subculture of or continuous fermentation by Clostridium often decreases and eventually terminates the solvent production and spore formation, which is a process called strain degeneration. Supplementation of CaCO3 to fermentation medium could partially recover metabolism of degenerated strain by more than 50% increase of cell growth and solvent production. The transcriptome profile of Clostridium beijerinckii NCIMB 8052 (DG-8052) and its response to CaCO3 treatment were analysed by microarray. Since fermentation by C. beijerinckii NCIMB 8052 is a biphasic process, gene expressions of two fermentations were compared at each stage, i.e. 12h and 24h fermentation time representing acidogenic phase and solventogenic phase, respectively. This study examined expression of 5168 genes capturing 98.6% of the C. beijerinckii NCIMB 8052 genome. With the addition of CaCO3, DG-8052 had 565 and 916 genes significantly up-regulated at acidogenic phase and solventogenic phase, respectively. According to the enrichment analysis of pathway and Gene Ontology terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway, these genes were significantly overrepresented in cellular functions such as Amino acid transport and metabolism, organic acid biosynthetic process, bacteria chemotaxis and defense mechanisms. On the other hand, there were 704 and 1044 genes significantly down-regulated at acidogenic phase and solventogenic phase, respectively. These repressed genes were mainly enriched in functions such as ion transmembrane transport, ATP synthesis, oxidative phosphorylation.
2017-01-02 | GSE81808 | GEO
Project description:The possibility of establishing a Clostridium-based biorefinery is an attractive and viable alternative, due to the wide metabolic versatility of these microorganisms. The Bioprocesses and Bioprospecting group of the Universidad Nacional de Colombia has obtained the genome of Clostridium sp. IBUN13A, which has shown the ability to produce solvents from various substrates and postulated the need to expand the knowledge of the physiology of the bacteria, so, this study establishes the differences in the transcriptomic profile of the strain when it is cultivated in glycerol respect to glucose after 24 hours of fermentation. For this, a RNA-seq study was carried out, and some of the genes that increased its expression on glycerol were related to the oxidative route of its consumption. The enrichment analysis of Gene Ontology terms showed that the biological phenomena with the highest representation within the differentially expressed genes correspond to oxidation-reduction processes. This first approach to the global transcriptomic study of glycerol fermentation allows the understanding of the metabolism of the microorganism with the purpose of choosing targets for genetic modification.
2021-06-27 | GSE178968 | GEO