Nucleotide Composition of the Cold-Sensitive Heterochromatic Regions in Paris hainanensis Merrill
2001
Cold-induced decondensation of heterochromatic regions (CSR-bands) in Paris hainanensis(=Daiswa hainanensisMerrill Takht.) (2n= 10; 10 + b) was studied. The comparison of CSR-banding patterns with those obtained by nucleotide-specific staining with fluorochromes DAPI and chromomycin A3demonstrated that low temperatures induced decondensation only of large AT-rich heterochromatic regions. It is suggested that this is characteristic of all plant species.
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