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Updated: Jul 18, 2026

RNAi Interference by dsRNA Injection into Drosophila Embryos
08:30

RNAi Interference by dsRNA Injection into Drosophila Embryos

Published on: April 11, 2011

在定位信号传递中,Drosophila补丁基因的作用

P W Ingham1, A M Taylor, Y Nakano

  • 1ICRF Developmental Biology Unit, Department of Zoology, Oxford, UK.

Nature
|September 12, 1991
PubMed
概括

补丁的基因被修复了.

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Position-effect Variegation02:32

Position-effect Variegation

In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.