Maintenance of boundaries between developing organs in insects.

作者: PETER A. LAWRENCE

DOI: 10.1038/NEWBIO242031A0

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摘要: CLONAL analysis of developing insect embryos has shown that the origin an organ (such as leg imaginai disk Drosophila1) can be traced to a small group primordial cells. This subset cells, which is not clone, becomes partitioned from cells around it. Subsequently, within it divide and generate coherent body surrounding probably never contribute. Although clonal cannot reveal whether are individually determined conclusion conventionally depending on transplantation experiments) clear early expression “legness” formation permanent growth boundary between its neighbours.

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