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YouTube

How Plants Recognise Seasons Using Molecular Memory - With Caroline Dean

The Royal Institution via YouTube

Overview

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Explore the fascinating world of plant biology in this lecture on how plants recognize seasons using molecular memory systems. Delve into the intricate mechanisms plants employ to monitor seasonal changes and adapt their flowering patterns. Learn about vernalization, the process by which prolonged cold exposure accelerates flowering in plants. Discover the role of molecular genetics, epigenetics, and chromatin in regulating plant development. Examine the FLC gene and its importance in quantitative silencing. Investigate how plants adapt to winter conditions and the impact of temperature fluctuations on their growth cycles. Gain insights into current research on winter adaptation in various plant species, including studies conducted in Northern Sweden. Understand the broader implications of this research for agriculture and plant biology.

Syllabus

Intro
Why do plants flower at the same time
Developmental transitions
Carolines passion for cold temperature
Tulip bulbs
Winter wheat barley
Molecular genetics
Rubbertopsis
Photoperiodism
The regulatory hierarchy
Winter annuals
Frigid ER
Epigenetics
Epigenetic regulation
What is chromatin
Nucleosomes
FLC Gene
Quantitative silencing
Green or red
Switching off FLC
Temperature
Winter Adaptation
Current work
Visits to Northern Sweden
Plants in the snow
Brassicas
Winter 2010
Takehome messages

Taught by

The Royal Institution

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