Transcriptomics

Dataset Information

22

UV treated Escherichia coli reveals a high number of differentially expressed regions and many novel transcripts


ABSTRACT: The transcriptional changes in Escherichia coli upon induction of the SOS response are investigated by utilizing custom designed oligonucleotide microarrays. Keywords: Gene expression during the SOS response in Escherichia coli Overall design: Escherichia coli K-12 MG1655 single colony in five parallells was grown to mid-log phase and exposed to UV to induce the SOS response. Total RNA was extracted from induced and uninduced cells and cDNA was prepared, fragmented and labelled prior to hybridizing to arrays. The arrays was designed to maximize the genomic coverage whilst simultaneous including only probes estimated to give an approximately uniform binding affinity. Regions coding for non-hypothetical proteins or RNAs where covered less densely than the intergenic parts.

INSTRUMENT(S): Custom made Escherichia coli K12 MG1655 tiling array

ORGANISM(S): Escherichia coli str. K-12 substr. MG1655  

SUBMITTER: Gard Thomassen  

PROVIDER: GSE13829 | GEO | 2009-08-18

SECONDARY ACCESSION(S): PRJNA110503

REPOSITORIES: GEO

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