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  • Title: [Nucleolar structure during the prophase of Physarum polycephalum].
    Author: Ploton D, Gontcharoff M.
    Journal: C R Acad Hebd Seances Acad Sci D; 1977 Nov 21; 285(14):1251-4. PubMed ID: 413663.
    Abstract:
    With Sugihara's fixation technique, electron microscopic study of early-prophase nucleolus in the Physarm polycephalum showed the existence of particular fibrillar structures. The characteristic feature of these spherical structures is an electron-lucid center surrounded by a dense fibrillar component. Their relationships between the "fibrillar centers" and between the rate of ribosomal RNA synthesis are studied.
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