Abstract
BETWEEN 10% and 70% of the nuclear DNA of all higher organisms consists of repeating sequences1,2 (in some organisms only 6–13 base pairs long3) which comprise families of identical or similar base sequences repeated from several hundred to more than a million times. Much of this is not transcribed4 and the most repetitive sequences are located in the centromeric heterochromatin5. If repetitive DNA occurs in all eukaryotic cells, however, it is surprising that in renaturation studies it has not been found in yeast2,6. In Saccharomyces cerevisiae,a large number of the AT base pairs of the mitochondrial DNA probably occur in poly AT sequences7,8. This may result in unusual renaturation kinetics.
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CHRISTIANSEN, C., BAK, A., STENDERUP, A. et al. Repetitive DNA in Yeasts. Nature New Biology 231, 176–177 (1971). https://doi.org/10.1038/newbio231176a0
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DOI: https://doi.org/10.1038/newbio231176a0
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