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Updated: Sep 22, 2026

Preparation of Adult Drosophila Eyes for Thin Sectioning and Microscopic Analysis
07:49

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Published on: August 27, 2011

边缘对于镜子对称性和Drosophila眼睛的形态发生是必不可少的

K O Cho1, K W Choi

  • 1Department of Cell Biology, Program of Developmental Biology, Baylor College of Medicine, Houston, Texas 77030, USA.

Nature
|December 2, 1998
PubMed
概括

边缘蛋白在Drosophila眼睛发育中建立了一个边界,这对于镜面对称性和正确的眼睛形成至关重要. 这个边界调节了Notch信号,这对于组织眼睛发育和预防发育失败至关重要.

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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.