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. 1992 Jul;11(7):355-8.
doi: 10.1007/BF00233365.

Matrix-associated DNA from maize is enriched in repetitive sequences

L M Stoilov  1 , V Mirkova, J Zlatanova, L Djondjurov
Affiliations

Matrix-associated DNA from maize is enriched in repetitive sequences

L M Stoilov et al. Plant Cell Rep. 1992 Jul.

Abstract

In order to elucidate some features of the topological organization of DNA within the plant nucleus, DNA fragments involved in the attachment of the DNA loops to the nuclear matrix in maize were studied. The matrix-associated DNA from dry embryo and meristematic cells after extensive digestion with DNase I and high salt treatment was about 2% of the total DNA, sized within the range of 50 and 250 bp. This DNA was found to be enriched in repetitive DNA sequences, both for nuclei from dry embryo and meristematic cells. The loop size of the DNA in cells of Zea mays appeared to be between 5 and 25 kbp.

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