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Abstract
Circadian rhythms in Synechococcus elongatus PCC 7942 regulate the spatial organization of transcriptional and translational machinery.
- RNA polymerases colocalize with DNA in both diffuse and compacted states.
- Ribosomes colocalize with diffuse DNA but shift towards thylakoid membrane regions during DNA compaction.
- The observed localization patterns persist under continuous light and dark conditions.
- These dynamics remain stable even after transcriptional or translational inhibition within the tested time window.
- A functional KaiC protein is required for the rhythmic localization patterns.
Simplified