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Comparison of nucleotide-resolution, genome-wide transcriptome maps of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145.

ABSTRACT: This data contained within this entry was produced as part of a study that included differential RNA-sequencing.

ORGANISM(S): Escherichia coli K-12 Streptomyces coelicolor A3(2)

PROVIDER: GSE46232 | GEO | 2013/04/20

SECONDARY ACCESSION(S): PRJNA198201

REPOSITORIES: GEO

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Comparison of nucleotide-resolution, genome-wide transcriptome maps of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145.

Project description:This data contained within this entry was produced as part of a study that included differential RNA-sequencing. S. coelicolor and E. coli reference strains were grown in batch culture with shaking. The E. coli sample was extracted during mid-exponential growth, while the S. coelicolor sample was extracted at the start of pigmented antibiotic production.

2013-04-20 | E-GEOD-46232 | biostudies-arrayexpress

Comparison of the nucleotide-resolution, genome-wide, 5'-end maps of the transcriptomes of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145

Project description:The differential RNA-seq data contained within this entry is complemented by global RNA-seq.

2013-05-01 | GSE46507 | GEO

Comparison of the nucleotide-resolution, genome-wide, 5'-end maps of the transcriptomes of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145

Project description:The differential RNA-seq data contained within this entry is complemented by global RNA-seq. S. coelicolor and E. coli reference strains were grown in batch culture with shaking. The E. coli sample was extracted during mid-exponential growth, while the S. coelicolor sample was extracted at the start of pigmented antibiotic production. Each of the two samples was incubated with or without TAP (tobacco acid pyrophosphatase) before library construction. Thus, 4 libraries were analysed. TAP treatment allows the cloning and sequencing of 5' ends that were originally triphosphorylated.

2013-05-01 | E-GEOD-46507 | biostudies-arrayexpress

Mycothiol maintains the homeostasis and signalling of nitric oxide in Streptomyces coelicolor A3(2) M145.

Project description:BackgroundPrevious studies have revealed a nitric oxide (NO) metabolic cycle in which NO, nitrate (NO3-), and nitrite (NO2-) circulate. The NO produced in this cycle serves as a signalling molecule that regulates actinorhodin (ACT) production via the DevS/DevR NO-dependent two-component system (TCS) in Streptomyces coelicolor A3(2) M145. However, the mechanisms involved in the regulation of NO signalling in S. coelicolor have not yet been elucidated. Mycothiol (MSH), a thiol molecule produced by Actinomyces, is involved in the defence mechanisms against oxidative stress. Therefore, this study focused on the correlation between intracellular NO and MSH levels.ResultsTo investigate the interaction of MSH with endogenously produced NO, we generated an S. coelicolor A3(2) strain deficient in MSH biosynthesis. This mutant strain exhibited a decrease in low-molecular-weight S-nitrosothiols and intracellular NO levels during culture compared to those of the wild-type strain. Moreover, the mutant strain exhibited reduced activity of the DevS/DevR TCS, a regulator of NO homeostasis and ACT production, from the early stage of culture, along with a decrease in ACT production compared to those of the wild-type strain.ConclusionsThis study suggests that MSH maintains intracellular NO homeostasis by forming S-nitrosomycothiol, which induces NO signalling. Finally, we propose a metabolic model in which MSH from endogenously produced NO facilitates the maintenance of both NO homeostasis and signalling in S. coelicolor A3(2) M145.

| S-EPMC10552308 | biostudies-literature

RNA-Sequencing of Streptomyces coelicolor A3(2) (M145) in timeseries

Project description:SYSTERACT: Systematic Rebuilding of Actinomycetes for Natural Product Formation For several decades antibiotics have saved millions of lives, but their overuse makes them less effective due to increase in bacterial resistance. Because of this major clinical and public health problem, there is an urgent need for new effective antimicrobials. The ERASysAPP project SYSTERACT aims to further develop, the model actinobacterium Streptomyces coelicolor into improved microbial cell factories to heterologously produce diverse bioactive compounds in amounts needed for structural and functional evaluation. Unprecedented systems biology understanding of S. coelicolor is being combined with morphology engineering and improved (de-)regulation and precursor supply to accelerate bioactive compound discovery efforts. By that means, we aim to generate a stepwise improved 'Superhost' for the production of antibiotics in which metabolic bottlenecks and regulatory restriction are greatly mitigated. The optimized strains will be tested concerning their applicability for an improved production of commercially relevant antibiotics and the expression of novel bioactive gene clusters identified in new actinomycete strains and environmental metagenomes. So far two strains, M145 and M1152, have been cultivated for time-resolved 'omics sampling, and a larger number of additional strains are on the list for similar experiments. High quality RNAseq-based transcriptome data have been generated and processed. M145 is the wildtype strain in S. coelicolor (as used in STREAM, see also GSE18489), 3 biol. replicas and M1152 lacks four major biosynthetic gene clusters, undecylprodigine (RED), calcium-dependent antibiotic (CDA), coelimycin (CPK) and actinorhodin (ACT). Contributors: A. Wentzel, W. Wohlleben, G. van Wezel, D van Dissel, O. Wolkenhauer, E. Kerkhoven, N. Spidsoe, K. Nieselt and the SYSTERACT consortium

2019-10-09 | GSE132487 | GEO

Comparison of nucleotide-resolution, genome-wide transcriptome maps of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145.

Project description:Comparison of nucleotide-resolution, genome-wide transcriptome maps of Escherichia coli K12 strain BW25113 and Streptomyces coelicolor A3(2) strain M145.

| PRJNA198201 | ENA

Streptomyces coelicolor strain:M145 A3(2)

Project description:Streptomyces coelicolor Transcriptome orphan regulator

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Streptomyces coelicolor A3(2) strain:M145

Project description:Streptomyces coelicolor A3(2) strain:M145 Targeted loci cultured

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Streptomyces coelicolor A3(2) SigR regulon

Project description:We determined the genomic locations of the SigR binding sites by chromatin immuno-precipitation of cross-linked DNA and hybridization on a tilling oligonucleotide array after 20 minutes of diamide treatment on cell cultures.

2012-06-03 | GSE33593 | GEO

Effects of cAMP supplementation on the transcriptome of Streptomyces coelicolor M145 strain

Project description:To identify unique gene expression in cAMP supplemented Streptomyces coelicolor M145 strain. The genes with different gene expression might be key genes to understand the effects of cAMP supplementation on the transcriptome of Streptomyces coelicolor M145.

2020-11-27 | GSE158810 | GEO

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