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  • Title: Cytochemical changes induced by apholate, tepa and hempa during vitellogenesis in Locusta migratoria.
    Author: Mittal PK, Sheikher C, Nath V.
    Journal: Cytobios; 1980; 28(111-112):161-4. PubMed ID: 6163593.
    Abstract:
    Proteins (--SS, --SH, and NH2 groups; tyrosine, tryptophan and arginine), DNA, phospholipids and triglycerides showed a progressive decline in the oocytes of Locusta migratoria with increase in doses of apholate, tepa and hempa. Carbohydrates showed a decline only after higher doses of apholate and tepa whereas they were not affected at all with hempa. The pyroninophilia due to RNA in the oocytes decreased in the ooplasm of oocytes slightly, but increased in the cytoplasm and nucleoplasm of follicular epithelial cells with all the chemosterilants. The follicular epithelial cells degenerated in the mature oocytes, and yolk formation was inhibited.
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