Action spectrum of photosynthesis Fig 39 3 Fig

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Action spectrum of photosynthesis Fig 39. 3

Action spectrum of photosynthesis Fig 39. 3

Fig 39. 12 Seedling germination may depend on light

Fig 39. 12 Seedling germination may depend on light

Fig 39. 15 Phytochrome: a reversible receptor

Fig 39. 15 Phytochrome: a reversible receptor

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

Hey, want to swap some pollen?

Hey, want to swap some pollen?

I don’t have any flowers.

I don’t have any flowers.

I guess I will have to find another plant.

I guess I will have to find another plant.

I hate when that happens. You give really good pollen.

I hate when that happens. You give really good pollen.

Plants use day length to synchronize flowering Fig 39. 13

Plants use day length to synchronize flowering Fig 39. 13

The critical period is actually night length Fig 39. 13

The critical period is actually night length Fig 39. 13

Phytochrome regulates flowering time Fig 39. 14

Phytochrome regulates flowering time Fig 39. 14

Plants use night length to determine the season.

Plants use night length to determine the season.

What about daily time. . . the circadian clock

What about daily time. . . the circadian clock

Circadian Rhythms: daily patterns set by light (northern flying squirrel)

Circadian Rhythms: daily patterns set by light (northern flying squirrel)

Phytochrome sets the circadian clock http: //www. mcdb. ucla. edu/Research/Tobin/research. html http: //plantsinmotion. bio.

Phytochrome sets the circadian clock http: //www. mcdb. ucla. edu/Research/Tobin/research. html http: //plantsinmotion. bio. indiana. edu/plantmotion/movements/leafmovements/clocks. html (oxalis) http: //plantsinmotion. bio. indiana. edu/plantmotion/movements/tropisms. html (sunflower tracking)

The molecular identity of the circadian clock is unknown http: //www. ou. edu/wanglab/Circadian. html

The molecular identity of the circadian clock is unknown http: //www. ou. edu/wanglab/Circadian. html

CCA 1 is a transcription factor that regulates some photosynthetic genes. 25 28 31

CCA 1 is a transcription factor that regulates some photosynthetic genes. 25 28 31 34 37 40 43 46 49 52 55 57 http: //www. mcdb. ucla. edu/Research/Tobin/research. html

Overexpression of CCA 1 in transgenic Arabidopsis plants abolished the circadian rhythms of several

Overexpression of CCA 1 in transgenic Arabidopsis plants abolished the circadian rhythms of several genes with dramatically different phases. http: //www. mcdb. ucla. edu /Research/Tobin/research. html

Plants were created that lack a functional CCA 1 gene http: //www. mcdb. u

Plants were created that lack a functional CCA 1 gene http: //www. mcdb. u cla. edu/Research/T obin/research. html

With no CCA 1 protein, phytochrome induction of Lhcb RNA is reduced to 60%

With no CCA 1 protein, phytochrome induction of Lhcb RNA is reduced to 60% of the normal level. http: //www. mcdb. ucl a. edu/Research/Tobin /research. html

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

http: //www. mcdb. ucla. edu/Research/Tobin/research. html

Plants overexpressing CCA 1 had delayed flowering. Furthermore, leaf movement rhythms were abolished

Plants overexpressing CCA 1 had delayed flowering. Furthermore, leaf movement rhythms were abolished

CCA 1 is part of the oscillator, but it is not THE oscillator/clock. http:

CCA 1 is part of the oscillator, but it is not THE oscillator/clock. http: //www. ou. edu/wanglab/Circadian. html

Enjoy your break. . .

Enjoy your break. . .