Summary
Three members of a family of highly repeated DNA sequences from Arabidopsis thaliana have been cloned and characterized. The repeat unit has an average length of 180 bp and is tandemly repeated in arrays longer than 50 kb. This family represents more than one percent of the Arabidopsis genome. Sequence comparisons with tandemly repeated DNA sequences from other Cruciferae species show several regions of homology and a similar length of the repeat unit. Homologies are also found to highly repeated sequences from other plant species. When the sequence CCGG occurs in the repeated DNA, the inner cytosine is generally methylated.
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Communicated by G.R. Fink
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Martinez-Zapater, J.M., Estelle, M.A. & Somerville, C.R. A highly repeated DNA sequence in Arabidopsis thaliana . Molec Gen Genet 204, 417–423 (1986). https://doi.org/10.1007/BF00331018
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DOI: https://doi.org/10.1007/BF00331018