Border Structure of Intercalary Heterochromatin Bands of  Drosophila melanogaster  Polytene Chromosomes

V. A. Khoroshko; T. Yu. Zykova; O. O. Popova; I. F. Zhimulev

doi:10.1134/S1607672918020163

Border Structure of Intercalary Heterochromatin Bands of Drosophila melanogaster Polytene Chromosomes

作者: Khoroshko V.A.¹, Zykova T.Y.¹, Popova O.O.¹, Zhimulev I.F.¹^,2
隶属关系:
1. Institute of Molecular and Cellular Biology, Siberian Branch
2. Novosibirsk State University
期: 卷 479, 编号 1 (2018)
页面: 114-117
栏目: Biochemistry, Biophysics, and Molecular Biology
URL: https://journals.rcsi.science/1607-6729/article/view/212211
DOI: https://doi.org/10.1134/S1607672918020163
ID: 212211

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详细

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.