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CcpA mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + Galactose at MID-log growth phase

ABSTRACT: Comparison of Streptococcus pneumoniae D39 ccpA mutant compared to D39 wild type in CDM with galactose as sole carbon source to define the regulon of carbon catabolite control protein CcpA under this condition Details described in Carvalho SM, Kloosterman TG, Neves AR, Kuipers OP. CcpA Ensures Optimal Metabolic Fitness of Streptococcus pneumoniae. Plos One 2011 One condition design comparision of two strains including a dye swap

ORGANISM(S): Streptococcus pneumoniae D39

SUBMITTER: Anne Jong

PROVIDER: E-GEOD-31817 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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CcpA Ensures Optimal Metabolic Fitness of Streptococcus pneumoniae

Project description:This SuperSeries is composed of the following subset Series: GSE31815: ccpA mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + Glucose at MID-log growth phase GSE31816: ccpA mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + GLucose at transition-phase of growth (TS) GSE31817: ccpA mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + Galactose at MID-log growth phase GSE31818: ccpA mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + galactose at transition-phase of growth (TS) Refer to individual Series

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Project description:Comparison of Streptococcus pneumoniae D39 ccpA mutant compared to D39 wild type in CDM with glucose as sole carbon source to define the regulon of carbon catabolite control protein CcpA under this condition Details described in Carvalho SM, Kloosterman TG, Neves AR, Kuipers OP. CcpA Ensures Optimal Metabolic Fitness of Streptococcus pneumoniae. Plos One 2011 One condition design comparision of two strains including a dye swap

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Project description:This SuperSeries is composed of the following subset Series: GSE33033: ahrC mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + 10 mM arginine GSE33034: argR1 mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + 10 mM arginine GSE33035: argR1-ahrC mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + 10 mM arginine GSE33036: Streptococcus pneumoniae D39 wild-type grown in CDM+10 mM arginine compared to D39 wild type grown in CDM + 0.05 mM arginine Refer to individual Series

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Project description:The maltose regulon (mal regulon) has previously been shown to consist of the mal gene cluster (malQP, malXCD and malAR operons) in Streptococcus pneumoniae. In this study, we have further elucidated the complete mal regulon in S. pneumoniae D39 using microarray analyses and β-galactosidase assays. In addition to the mal gene cluster, the complete mal regulon of S. pneumoniae D39 consists of a pullulanase (PulA), a glucosidase (DexB), a glucokinase (RokB), a PTS component (PtsG) and an amylase (AmyA2). Our microarray studies and β-galactosidase assays further showed that the LacI-family transcriptional regulator MalR represses the expression of the mal regulon in the absence of maltose. Furthermore, the role of the pleiotropic transcriptional regulator CcpA in the regulation of the mal regulon in the presence of maltose was also explored. Our microarray analysis with a ΔccpA strain showed that CcpA only represses the expression of the malXCD operon and the pulA gene in the presence of maltose. Comparison of the Streptococcus pneumoniae D39 ccpA mutant compared to D39 wild type in MM17 (0.5 % (w/v) Maltose + M17) medium One condition design comparision of two strains including a dye swap

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Project description:The maltose regulon (mal regulon) has previously been shown to consist of the mal gene cluster (malQP, malXCD and malAR operons) in Streptococcus pneumoniae. In this study, we have further elucidated the complete mal regulon in S. pneumoniae D39 using microarray analyses and β-galactosidase assays. In addition to the mal gene cluster, the complete mal regulon of S. pneumoniae D39 consists of a pullulanase (PulA), a glucosidase (DexB), a glucokinase (RokB), a PTS component (PtsG) and an amylase (AmyA2). Our microarray studies and β-galactosidase assays further showed that the LacI-family transcriptional regulator MalR represses the expression of the mal regulon in the absence of maltose. Furthermore, the role of the pleiotropic transcriptional regulator CcpA in the regulation of the mal regulon in the presence of maltose was also explored. Our microarray analysis with a ΔccpA strain showed that CcpA only represses the expression of the malXCD operon and the pulA gene in the presence of maltose. Comparison of the Streptococcus pneumoniae D39 malR mutant compared to D39 wild type in GM17 (0.5 % (w/v) Glucose + M17) medium One condition design comparision of two strains including a dye swap

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Maltose vs Glucose

Project description:The maltose regulon (mal regulon) has previously been shown to consist of the mal gene cluster (malQP, malXCD and malAR operons) in Streptococcus pneumoniae. In this study, we have further elucidated the complete mal regulon in S. pneumoniae D39 using microarray analyses and β-galactosidase assays. In addition to the mal gene cluster, the complete mal regulon of S. pneumoniae D39 consists of a pullulanase (PulA), a glucosidase (DexB), a glucokinase (RokB), a PTS component (PtsG) and an amylase (AmyA2). Our microarray studies and β-galactosidase assays further showed that the LacI-family transcriptional regulator MalR represses the expression of the mal regulon in the absence of maltose. Furthermore, the role of the pleiotropic transcriptional regulator CcpA in the regulation of the mal regulon in the presence of maltose was also explored. Our microarray analysis with a ΔccpA strain showed that CcpA only represses the expression of the malXCD operon and the pulA gene in the presence of maltose. Comparison of the Streptococcus pneumoniae D39 wild type in MM17 (0.5 % (w/v) Maltose + M17) medium compared to GM17 (0.5 % (w/v) Glucose + M17) One condition design comparision of two strains including a dye swap

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Project description:Comparison of Streptococcus pneumoniae D39 wild-type grown in CDM+10 mM arginine compared to D39 wild type grown in CDM + 0.05 mM arginine to define the genome-wide transcriptional response to arginine. Details described in Kloosterman TG and Kuipers OP. ArgR1 and AhrC Mediate Arginine-Dependent Regulation of Arginine Acquisition- and Virulence Genes in the Human Pathogen Streptococcus pneumoniae. JBC 2011 Two condition design comparison of wild type strain

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argR1 mutant compared to D39 wild-type in Streptococcus pneumoniae in CDM + 10 mM arginine

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