darkness-repression in light-inducible genes

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1 total messages Started by Hans Olaf Warning Fri, 23 Apr 1999 00:00

#45

Author: Hans Olaf Warning
Date: Fri, 23 Apr 1999 00:00

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Hello netuser,

I am working in the regulation of the nitrite-reductase-gene of the
white birch Betula pendula. The transcription of the gen is induced by
light and nitrate. EMSAs revealed a trans-acting-factor that binds in
the darkness to that promotor region, that is responsible for
light-induction, proved in transgenic plants. That would mean, that the
regulation is caused by a repressor, that binds to the LRE to inhibit
the transcription in the darkness.
Does anyone know something about darkness-repression of light-inducible
genes (personal research or literature).
Thanks for any answers. Hans Olaf


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<HTML>
Hello netuser,

<P>I am working in the regulation of the nitrite-reductase-gene of the
white birch <I>Betula pendula</I>. The transcription of the gen is induced
by light and nitrate. EMSAs revealed a trans-acting-factor that binds in
the darkness to that promotor region, that is responsible for light-induction,
proved in transgenic plants. That would mean, that the regulation is caused
by a repressor, that binds to the LRE to inhibit the transcription in the
darkness.
<BR>Does anyone know something about darkness-repression of light-inducible
genes (personal research or literature).
<BR>Thanks for any answers. Hans Olaf
<BR>&nbsp;</HTML>

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