Expression data from ferulic acid treated C. elegans
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PROVIDER: PRJNA721175 | ENA |
REPOSITORIES: ENA
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Project description:Gene expression in N2 worms treated with 500 μM or 0 μM ferulic acid, at days 5. Effects of ferulic acid in C. elegans gene expression is studied, as our results indicate a lifespan extension effect produced by this molecule. RNA-seq were used to detail the global programme of gene expression underlying the lifespan extension and identified distinct classes of up/down-regulated genes in animals treated with ferulic acid.
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Project description:Corynebacterium glutamicum can survive by using ferulic acid as the sole carbon source. In this study, we assessed the response of C.glutamicum to ferulic acid stress by means of a global transcriptional response analysis. The transcriptional data showed that several genes involved in degradation of ferulic acid were affected. Moreover, several genes related to the stress response; protein protection or degradation and DNA repair; replication, transcription and translation; and the cell envelope were differentially expressed. Deletion of the katA or sigE gene in C. glutamicum resulted in a decrease in cell viability under ferulic acid stress. These insights will facilitate further engineering of model industrial strains, with enhanced tolerance to ferulic acid to enable easy production of biofuels from lignocellulose.
2017-09-01 | GSE86537 | GEO
Project description:The presence of anti-microbial phenolic compounds, such as the model compound ferulic acid, in biomass hydrolysates poses significant challenges to the widespread use of biomass in conjunction with whole cell biocatalysis or fermentation. Currently, these inhibitory compounds must be removed through additional downstream processing to create feedstock suitable for most industrially important microbial strains. This study explores the high ferulic acid tolerance in Lactobacillus brevis (L. brevis), a lactic acid bacteria often found in fermentation processes, by global transcriptional response analysis. The transcriptional profile of L. brevis under ferulic acid stress reveals that the presence of ferulic acid primarily triggers the expression of membrane proteins to counteract ferulic acid induced changes in membrane fluidity and ion leakage, in the midst of a generalized stress response. Several promising routes for understanding phenolic acid tolerance have been identified based upon these findings. These insights may be used to guide further engineering of model industrial organisms to better tolerate phenolic compounds in processed biomass.
2011-12-31 | GSE22826 | GEO
Project description:The presence of anti-microbial phenolic compounds, such as the model compound ferulic acid, in biomass hydrolysates poses significant challenges to the widespread use of biomass in conjunction with whole cell biocatalysis or fermentation. Currently, these inhibitory compounds must be removed through additional downstream processing to create feedstock suitable for most industrially important microbial strains. This study explores the high ferulic acid tolerance in Lactobacillus brevis (L. brevis), a lactic acid bacteria often found in fermentation processes, by global transcriptional response analysis. The transcriptional profile of L. brevis under ferulic acid stress reveals that the presence of ferulic acid primarily triggers the expression of membrane proteins to counteract ferulic acid induced changes in membrane fluidity and ion leakage, in the midst of a generalized stress response. Several promising routes for understanding phenolic acid tolerance have been identified based upon these findings. These insights may be used to guide further engineering of model industrial organisms to better tolerate phenolic compounds in processed biomass. Three biological replicates were utilized for each time point. Total RNA was extracted using the Zymo Research Bacterial/Fungal RNA extraction kit Microarrays were indirectly labeled, hybridized, and washed according to the Fairplay III Kit protocol. Slides were scanned using the Axon GenePix 4200A scanner. Data normalization (LOWESS) was carried out on each array separately. The arithmetic average of probe signals was used to compute Log2 values.
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Project description:Autotoxicity plays an important mechanism in regulating plant productivity. Ferulic acid (FA) is phytotoxic and was identified in extracts and residues of rice plants as a candidate for rice allelochemicals. To help characterize the autotoxicity mechanism of rice, we present the first large-scale, transcriptomic analysis of rice root responses to ferulic acid. Two-condition experiment, short exposures and long exposures. Comparison of mock control and rice seedlings treated with 50 ppm ferulic acid (FA) during short (pooled from 1- and 3-h treatments), as compared to long (24 h) exposures.; Biological replicates: 3 control replicates (short and long exposures), 3 FA-treated replicates (short and long exposures).
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