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Dear Dott.
the content can certainly decrease, as the shortest known turnover
time for a protein (at least the shortest I have heard of) is about
30 minutes.  A lot depends on what kind of biological system you are
working with in the lab.

Increasing the synthesis in a eukaryotic cell would only likely take
place by faster translation, in the time order of 30 minutes.  In
prokaryotic cells, you can do a whole cell cycle in 30 minutes, so
there is hardly any doubt that transcription could be increased on
that time scale.

Carol Heckman
(Bowling Green State University)


>Search the CONFOCAL archive at
>http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
>
>>  does anyone know if protein synthesis can change (decrease or increase) in
>less than 30 min??
>Please help
>Thanks
>Dott. S. Spiga