The structure of chromatin at meiotic prophase I

The structure of chromatin at meiotic prophase I The qualitative and quantitative changes in molecular chromatin structures during the meiotic prophase I were studied. The following patterns were discovered: (1) unlike somatic cells, the syntheses of total histone and DNA and its integration into the chromatin occur independently and asynchronously: DNA replication is completed by the interphase, whereas the synthesis of histone and its integration into the chromatin continue to late meiotic prophase I, and (2) individual histone fractions are synthesized and integrated into the chromatin during meiotic prophase independently and asynchronously. Chromatin hydrolysis with nucleases DNI, STN, and SI demonstrated considerable differences in the hydrolysis products obtained at different stages of the meiotic prophase I; presumably, this reflects the differences between the structures of initial chromatin at different stages of the meiotic prophase I. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

The structure of chromatin at meiotic prophase I

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S102279540711004X
Publisher site
See Article on Publisher Site

Abstract

The qualitative and quantitative changes in molecular chromatin structures during the meiotic prophase I were studied. The following patterns were discovered: (1) unlike somatic cells, the syntheses of total histone and DNA and its integration into the chromatin occur independently and asynchronously: DNA replication is completed by the interphase, whereas the synthesis of histone and its integration into the chromatin continue to late meiotic prophase I, and (2) individual histone fractions are synthesized and integrated into the chromatin during meiotic prophase independently and asynchronously. Chromatin hydrolysis with nucleases DNI, STN, and SI demonstrated considerable differences in the hydrolysis products obtained at different stages of the meiotic prophase I; presumably, this reflects the differences between the structures of initial chromatin at different stages of the meiotic prophase I.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Nov 15, 2007

References

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