منابع مشابه
Wingless degradation in Drosophila imaginal discs
Wingless is a secreted signalling molecule with multiple roles in patterning developing Drosophila. Previous work has shown that in the Drosophila embryonic epidermis, regulated degradation controls the distribution of Wingless protein, leading to an asymmetric range. The actual mechanism of Wingless degradation is not currently understood. I have used gain and loss of function experiments to e...
متن کاملCompartmental organization of the Drosophila genital imaginal discs.
We have investigated the anterior and posterior compartmental organization of the genital imaginal disc. Unlike the thoracic discs, the genital disc is a compound disc consisting of three primordia--the female genital, male genital, and anal primordia. Here we provide evidence that each primordium is divided into anterior and posterior compartments. Genes that are known to be expressed in compa...
متن کاملThe embryonic origin of imaginal discs in Drosophila.
The thoracic imaginal discs of Drosophila melanogaster can be observed during embryogenesis as clusters of cells with particular shapes, sizes and behaviours. These structures can be detected soon after germ band shortening and their development appears to be tightly linked to that of the larval epidermis.
متن کاملThe genetic control of cell proliferation in Drosophila imaginal discs.
The imaginal discs of Drosophila provide a favorable system for the analysis of the mechanisms controlling developmental cell proliferation, because of the separation in time between cell proliferation and differentiation, and the facility with which controlling genes can be identified and characterized. Imaginal discs are established in the embryo, and grow by cell proliferation throughout the...
متن کاملImaginal discs
and clatter. The Italians call them buffone — clowns. The large white grubs feed on roots and can be a major pest of grass and potatoes. Now controlled by pesticides, they were once far more abundant locally. In 1574, adult cockchafers were so numerous in the Severn Valley that their drowned bodies blocked the wheels of watermills, the book describes. In parts of Europe, if not in Britain, the ...
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ژورنال
عنوان ژورنال: Chromosoma
سال: 2016
ISSN: 0009-5915,1432-0886
DOI: 10.1007/s00412-016-0595-4