Comparative characterization of mitochondrial nucleoids and of nuclear chromatin of sea urchin embryos |
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| Authors: | Ljiljana Ševaljević David Rickwood Milena Tomović |
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| Affiliation: | (1) Institute for Biological Research, Belgrade, 29, Novembra 142, Yugoslavia;(2) Department of Biology, University of Essex, CO4 3SQ Wivenhoe Park, Colchester, England |
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| Abstract: | Summary Chromatin and mitochondrial nucleoids of sea urchin embryos were found to have different isopycnic densities in metrizamide gradients. The banding density of nucleoids was constant during development, while there appeared to be alterations in the density profiles of chromatin banded at low ionic strength. |
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