Cytological differentiation of constitutive heterochromatin
Copyright policy )Cytological differentiation of constitutive heterochromatin
The constitutive heterochromatin, as demonstrated by the C band technique, may be subdivided into a number of categories when other characteristics are considered. The responses to fluorochromes QM and 33258 Hoechst, the behavior following G band staining, the repetitive DNA content, and many other criteria are useful for the classification of heterochromatin. The heterochromatin patterns of three mammalian species are presented to demonstrate that within each karyotype there may be several different types of C bands. In general, a correlation may also be made between GC-rich satellite DNA and dull (or negative) Q fluorescence, and between AT-rich satellite DNA and bright Q, fluorescence.
- The University of Texas MD Anderson Cancer Center United States
- University of South Dakota United States
- The University of Texas at Austin United States
Male, Base Sequence, Staining and Labeling, Whales, DNA, Haplorhini, Fluorescence, Cytogenetics, Mice, Genetic Techniques, Species Specificity, Quinacrine, Heterochromatin, Centrifugation, Density Gradient, Animals, Female, Trypsin, Densitometry, Fluorescent Dyes
Male, Base Sequence, Staining and Labeling, Whales, DNA, Haplorhini, Fluorescence, Cytogenetics, Mice, Genetic Techniques, Species Specificity, Quinacrine, Heterochromatin, Centrifugation, Density Gradient, Animals, Female, Trypsin, Densitometry, Fluorescent Dyes
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