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  • Title: Three related centromere proteins are absent from the inactive centromere of a stable isodicentric chromosome.
    Author: Earnshaw WC, Migeon BR.
    Journal: Chromosoma; 1985; 92(4):290-6. PubMed ID: 2994966.
    Abstract:
    We developed an aqueous spreading procedure that permits simultaneous analysis of human chromosomes by Q-banding and indirect immunofluorescence. Using this methodology and anticentromere antibodies from an autoimmune patient we compared the active and inactive centromeres of an isodicentric X chromosome. We show that a family of structurally related human centromere proteins (CENP-A, CENP-B, and CENP-C) is detectable only at the active centromere. These antigens therefore may be regarded both as morphological and functional markers for active centromeres.
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