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  • Title: Subnucleolar distribution and organization of Vicia faba L. rDNA in situ.
    Author: Long H, Sun H, Zeng X, Hao S, Jiao M.
    Journal: Cell Biol Int; 2004; 28(12):845-8. PubMed ID: 15566954.
    Abstract:
    The distribution and organization of nucleolar DNA in Vicia faba L. was analyzed by specific cytochemical staining using NAMA-Ur. The results showed that nucleolar DNA was distributed in the FCs and at the FC/DFC junctions. Statistical analysis showed that the rRNA genes occupied about one-third of the total dense fibrillar component region. The rDNA was condensed in some regions and uncondensed in others. Nucleolus-associated chromatin extended from outside the nucleolus to the periphery of the FCs via nucleolar channels, suggesting a possible origin for nucleolar DNA.
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