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- Title
Evolution of the Circadian Clock in a Whole-Genome Context.
- Authors
Hofmann, Nancy R.
- Abstract
The article discusses the evolution of the circadian clock in the context of whole-genome duplication in plants. The gene dosage hypothesis predicts that genes that are highly networked or are members of complexes should be retained at higher rates after genome duplication. The study focuses on Brassica rapa and analyzes the retention of clock-related genes in comparison to other sets of genes. The authors found that clock-related genes were indeed retained at higher rates, but there were variations within different families of clock genes. The study combines phylogenetic analysis and examination of microsynteny to determine the evolutionary history of these genes. Overall, the research provides insights into the forces behind gene loss and retention following whole-genome duplication.
- Subjects
CLOCK genes; CIRCADIAN rhythms; TRANSCRIPTION factors; PLANT genes; SYSTEMS biology; GENE families; MOLECULAR clock
- Publication
Plant Cell, 2012, Vol 24, Issue 6, p2239
- ISSN
1040-4651
- Publication type
Article
- DOI
10.1105/tpc.112.240612