Molecular Biology and Evolution, Vol 1, 221-237, Copyright © 1984 by Society for Molecular Biology and Evolution
GN Wilson, M Knoller, LL Szura and RD Schmickel
A 16-kilobase region surrounding the transcription initiation site for
ribosomal DNA and including the entire ribosomal DNA transcription unit has
been characterized in man and compared in higher primates. Restriction
analysis of ribosomal DNA from the pygmy chimpanzee (Pan paniscus), the
common chimpanzee (Pan troglodytes), the gorilla (Gorilla gorilla), the
orangutan (Pongo pygmaeus), the gibbon (Hylobates lar), and the rhesus
monkey (Macaca mulatta) allows a primate phylogeny to be constructed based
on ribosomal DNA structure. Individual variation and methylation are
demonstrated in the ribosomal DNA repeats of all primates examined.
Restriction analysis with HincII endonuclease suggests cleavage at sites
containing methylated CpG and adds the SalI/HincII pair to those enzymes
useful for studying DNA modification.
ORIGINAL ARTICLE
Individual and evolutionary variation of primate ribosomal DNA transcription initiation regions
University of Michigan, Ann Arbor 48109.
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