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Centrosomes are the major microtubule nucleating center in the cell; they also contribute to spindle pole organization and play a role in cell cycle progression as well as completing cytokinesis. Here we describe the molecular characterization of a novel human gene, CEP55, located in 10q23.33 that is expressed in multiple tissues and various cancer cell lines. Sequence analysis of the cDNA predicted...
Fragile sites appear visually as nonstaining gaps on chromosomes that are inducible by specific cell culture conditions. Expansion of CGG/CCG repeats has been shown to be the molecular basis of all five folate-sensitive fragile sites characterized molecularly so far, i.e., FRAXA, FRAXE, FRAXF, FRA11B, and FRA16A. In the present study we have refined the localization of the FRA10A folate-sensitive...
Illegitimate recombinations between low-copy repetitive elements (LCR) have been implicated in the pathogenesis of various chromosomal rearrangements. Two such duplicons have been reported previously on Xp22.3, the CRI-S232 elements, involved in the generation of deletions in the steroidsulfatase gene and five members of the G1.3 (DXF22S) repetitive sequence family. By molecular characterization of...
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