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Nucleic Acids Research, Vol. 19, No. 12 3351 The centromere region of Arabidopsis thaliana
 

Summary: Nucleic Acids Research, Vol. 19, No. 12 3351
The centromere region of Arabidopsis thaliana
chromosome 1 contains telomere-similar sequences
Eric J.Richards*, Howard M.Goodman and Frederick M.Ausubel
Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114 and
Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
Received March 4, 1991; Revised and Accepted April 30, 1991
ABSTRACT
We describe the structure of an Arabidopsis thaliana
genomic clone containing two classes of repetitive DNA
elements derived from the centromere region of
chromosome 1. One class is comprised of tandem
arrays of a highly reiterated repeat containing
degenerate telomere sequence motifs. Adjacent to
these telomere-similar repeats we found a dispersed
repetitive element reiterated approximately five times
in the A. thaliana genome. The nucleotide sequence
of the dispersed repeat is unusual, being extremely AT-
rich and composed of numerous, overlapping repeat
motifs.

  

Source: Ausubel, Frederick M. - Department of Genetics, Harvard University

 

Collections: Biology and Medicine