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Chromosoma. 1985;91(2):108-12.

Silver staining of meiotic chromosomes in the fungus, Coprinus cinereus.


We have taken advantage of the synchronous meiotic process in the basidiomycete Coprinus cinereus to develop a simple and rapid method to selectively stain meiotic chromosomes and nucleoli in this fungus without prior removal of the cell wall. Electron microscopic examination of these silver-stained chromosomes indicated that the lateral elements of the synaptonemal complexes were prominently stained, and terminal attachment plaques were apparent. We found that a translocation quadrivalent could be recognized easily in the light microscope using these methods. The procedures appear suitable for the characterization of chromosome rearrangements in this small genome, and should facilitate cytogenetic analysis in this fungus.

[Indexed for MEDLINE]

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