Chronobiology

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3. Generating internal body time

3.

Generating internal body time

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Overview

3.1.

A history of circadian rhythms

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3.2.

A primer on circadian rhythms

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3.3.

Circadian rhythms are everywhere, from bacteria to plants and animals!

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Circadian rhythms in different organisms.

3.4.

Humans also exhibit circadian rhythms

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Other isolation experiments were performed deep inside caves, including those performed by the famous French speleologist Michel Siffré.

3.5.

Circadian molecular clocks earn a Nobel prize!

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3.6.

Playing art with circadian rhythms

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The circadian clock of the fungus Neurospora crassa as a live canvas.

Fungal images alternate in a daily fashion positive and negative versions of the image, as well as all intermediate degrees of the contrast.

The light-sensing system underlying the Live Canvas response is integrated in the Neurospora circadian regulatory system. Since different levels of projected light alter clock phase in an intensity-dependent manner, bioluminescence is expressed differentially across the canvas.