Border Structure of Intercalary Heterochromatin Bands of Drosophila melanogaster Polytene Chromosomes

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作者
V. A. Khoroshko
T. Yu. Zykova
O. O. Popova
I. F. Zhimulev
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[1] Russian Academy of Sciences,Institute of Molecular and Cellular Biology, Siberian Branch
[2] Novosibirsk State University,undefined
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The precise genomic localization of the borders of 62 intercalary heterochromatin bands in Drosophila polytene chromosomes was determined. A new type of bands containing chromatin of different states was identified. This type is a combination of the gray band and the intercalary heterochromatin band, creating a genetic structure that with a light microscope is identified as a continuous band. The border structure of such bands includes the coding regions of genes with ubiquitous activity.
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页码:114 / 117
页数:3
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