Unknown,Transcriptomics,Genomics,Proteomics

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Transcriptome analysis of E.coli MG1655 under multiple growth conditions


ABSTRACT: Investigation of comprehensive information about the expression level of RNA transcripts across the entire E.coli genome in mulitple growth conditions, including log-phase; stationary phase, heat shock and nitrogen-limiting condition. A fourteen chip study using total RNA recovered from four separate culture conditions of E.coli K12 MG1655. E.coli strains were harvested at mid-exponential phase with exception of stationary phase experiments. The high-density oligonucleotide tiling arrays used were consisted of 371,034 oligonucleotide probes spaced 25 bp apart (25-bp overlap between two probes) across the E. coli genome (NimbleGen). Experiments were conducted as three or more biological replicates (different cultures)

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

SUBMITTER: Bernhard Palsson 

PROVIDER: E-GEOD-15534 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

The transcription unit architecture of the Escherichia coli genome.

Cho Byung-Kwan BK   Zengler Karsten K   Qiu Yu Y   Park Young Seoub YS   Knight Eric M EM   Barrett Christian L CL   Gao Yuan Y   Palsson Bernhard Ø BØ  

Nature biotechnology 20091101 11


Bacterial genomes are organized by structural and functional elements, including promoters, transcription start and termination sites, open reading frames, regulatory noncoding regions, untranslated regions and transcription units. Here, we iteratively integrate high-throughput, genome-wide measurements of RNA polymerase binding locations and mRNA transcript abundance, 5' sequences and translation into proteins to determine the organizational structure of the Escherichia coli K-12 MG1655 genome.  ...[more]

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