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[Arabidopsis] Disappearance of GUS protein/stain

Nikhilesh Dhar via arab-gen%40net.bio.net (by ndhar from syr.edu)
Wed Sep 26 17:34:17 EST 2012

Hi Everybody,
has anybody ever come across any instance where GUS gene attached to promoter/DNA sequence is expressed normally in plant tissue but disappears after chemical/stress treatment in the treated/dying tissue. My question is GUS being an insoluble compound should not go away in the dying/treated tissue and stay blue even though the tissue has died.
If anybody has faced a similar situation can you please explain me why GUS is going down in dying tissue (since I have never seen it going down with other constructs in lab/else where) and if possible refer me any publication where they have seen such instances.
Thank you for replying and sharing the knowledge.

Nikhilesh Dhar
ndhar from syr.edu

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