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Genome wide rhythmic transcription under light/dark cycles in Ostreococcus tauri

ABSTRACT: Genome wide rhythmic transcription under light/dark cycles is associated with sequential transcription of specific biological processes genes in Ostreococcus tauri. Transcriptional profiling of Ostreococcus tauri under light/dark cycles. In order to identify genes with a diurnal rhythm, cells entrained under 12:12 light/dark cycles were sampled every 3 hours for 27 hours with two overlapping time points at Time 9 (Light ON at Time 9; Light OFF at Time 21) in 3 independent experiments. Two-conditions experiment, test situation (kinetic point) vs. Pool of each samples. Biological triplicates: 3 independant kinetics, 9 points per kinetics, Technical triplicates per array.

ORGANISM(S): Ostreococcus tauri

SUBMITTER: annabelle monnier 

PROVIDER: E-GEOD-16422 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Orchestrated transcription of biological processes in the marine picoeukaryote Ostreococcus exposed to light/dark cycles.

Monnier Annabelle A   Liverani Silvia S   Bouvet Régis R   Jesson Béline B   Smith Jim Q JQ   Mosser Jean J   Corellou Florence F   Bouget François-Yves FY  

BMC genomics 20100322

<h4>Background</h4>Picoeukaryotes represent an important, yet poorly characterized component of marine phytoplankton. The recent genome availability for two species of Ostreococcus and Micromonas has led to the emergence of picophytoplankton comparative genomics. Sequencing has revealed many unexpected features about genome structure and led to several hypotheses on Ostreococcus biology and physiology. Despite the accumulation of genomic data, little is known about gene expression in eukaryotic  ...[more]

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