Chloroplasts are a common feature of plant cells and aspects of their metabolism, including
photosynthesis, are influenced by low-temperature conditions. Chloroplasts contain a small …

Circadian rhythms coordinate the responses of organisms with their daily fluctuating
environments, by establishing a temporal program of gene expression. This schedules …

Daily rhythms in gene expression are thought to allow organisms to co-ordinate internal
processes with external cycles of environmental conditions. In part, these rhythms are driven …