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  • Title: Cytochemical localization of peroxisomes in Tetrahymena pyriformis.
    Author: Fok AK, Allen RD.
    Journal: J Histochem Cytochem; 1975 Aug; 23(8):599-606. PubMed ID: 51038.
    Abstract:
    Pronounced staining of Tetrahymena pyriformis peroxisomes was demonstrated when glutaraldehyde-fixed cells were incubated in an alkaline medium containing 3,3'-diaminobenzidine and hydrogen peroxide. A variable amount of electron-opague deposit was observed when cells were incubated in diaminobenzidine and H2O2 for 1 hr while an intense deposit followed incubation for 4 hr in the same medium. The staining was abolished completely when 3-amino-1,2,4-triazole, KCN or NaN3 was added to the incubation medium. Based on these cytochemical observations and the morphologic identification by size, shape and other ultrastructural details, it is suggested that this study presents evidence for a conclusive morphologic identification of Tetrahymena peroxisomes.
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