切割产品的初级结构和表达,Drosophila中参与指定感官器官身份的位置

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Updated: Oct 24, 2026

Live-cell Imaging of Sensory Organ Precursor Cells in Intact Drosophila Pupae
04:27

Live-cell Imaging of Sensory Organ Precursor Cells in Intact Drosophila Pupae

Published on: May 27, 2011

K Blochlinger1, R Bodmer, J Jack

  • 1Howard Hughes Medical Institute, University of California, San Francisco 94143.

Nature
|June 16, 1988
PubMed
概括

果虫的切割基因对于外部感官器官的发育至关重要. 它的缺失导致这些器官转化为和弦的器官,揭示了它的关键作用.

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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.