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plant science Archives - Page 37 of 82 - The Global Plant Council

Fitness needs the right timing: researchers study molecular components of the endogenous clock in the green lineage

By | News, Plant Science

Life on Earth runs in 24-hour cycles. From tiny bacteria to human beings, organisms adapt to alterations of day and night. External factors, such as changes in light and temperature, are needed to entrain the clock. Many metabolic processes are controlled by the endogenous clock. Scientists have now studied the molecular rhythms of the endogenous clock in the “green lineage”.

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Proteins control light-induced seed germination in Arabidopsis thaliana

By | News, Plant Science

The seeds of a plant are relatively well protected against harmful environmental influences, while a seedling is very vulnerable. Therefore, plants in the early stage of development must closely control their seed germination: In time windows with good conditions they germinate very quickly, while in unfavorable conditions they effectively suppress seed germination. Incident light, which the plants perceive through a group of photoreceptors called phytochromes, plays a central role in this process.

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