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Feulgen stain

Feulgen stain

(Science: technique) a selective cytochemical reaction for dna in which sections or cells are first hydrolyzed with hydrochloric acid to produce apurinic acid and then are stained with schiffs reagent to produce magenta-stained nuclei; generally the concentration of dna in nucleoli and mitochondria is too low to permit detection by this stain

See: kastens fluorescent feulgen stain.

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Plant chromosome staining

Hi everyone, Can you please tell me what is the best stain to observe plant chromosomes and their aberrations (specially in onion cells) ? Feulgen stain or Aceto orcein? And are there any other suitable stains? Thank you very much

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by Sue4
Sat Apr 20, 2013 8:10 am
Forum: Cell Biology
Topic: Plant chromosome staining
Replies: 0
Views: 1727

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