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Immunostaining polytenes

Jayashree Prasad-Sinha jps10 at po.cwru.edu
Mon Jan 12 09:15:47 EST 2004

Recently I have been facing a peculiar problem with immunostaining polytene
chromosomes. The stain appears grainy - as if the antibodies are minute
grains, instead of the usual bands.  Has anyone faced similar difficulty?
How did you overcome it? What could be causing it? I use the standard
protocol of Paro.
Please send any suggestions to my email. I am not a member of bionet.
Thank you,


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