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Chromosomal origin utilisation in Haloferax meiditerranei wild type and mutant strains

ABSTRACT: We have comprehensively explored the origin utilisation in Haloferax mediterranei. Here we report three active chromosomal origins by genome-wide replication profiling, and demonstrate that when these three origins are deleted, a dormant origin becomes activated.

ORGANISM(S): Haloferax mediterranei

PROVIDER: GSE70597 | GEO | 2015/07/08

SECONDARY ACCESSION(S): PRJNA289136

REPOSITORIES: GEO

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Chromosomal origin utilisation in Haloferax meiditerranei wild type and mutant strains

Project description:We have comprehensively explored the origin utilisation in Haloferax mediterranei. Here we report three active chromosomal origins by genome-wide replication profiling, and demonstrate that when these three origins are deleted, a dormant origin becomes activated. Genomic DNA was extracted from the H. mediterranei cultures at specific time points(12h,18h,24h,36h,42h and stationary phase 66h), or during the exponential phase (OD600≈0.5) and stationary phase (OD600≈4.0)for the origin deletion strains. After being lablled, Genomic DNA from exponential phase and stationary phase were hybridized to Haloferax mediterranei genome array genechips.

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