Zobrazeno 1 - 10
of 36
pro vyhledávání: '"F.M. Butterworth"'
Publikováno v:
Developmental biology. 154(1)
Specific mutations in the yolk protein genes, yp1 and yp2, of Drosophila melanogaster cause the yolk proteins (YPs) they encode to precipitate, ultimately resulting in female sterility. YPs of the yp1 mutant fs(1)1163 are secreted normally but then p
Publikováno v:
Journal of Insect Physiology. 25:855-860
The larval fat body of Drosophila melanogaster when cultured in a medium containing 20-hydroxyecdysone and foetal calf serum produces protein granules in the cytoplasm in a region-specific manner similar to that found in vivo. If ecdysteroid is omitt
Autor:
F.M. Butterworth, Barbara Tysell
Publikováno v:
Journal of Insect Physiology. 24:201-206
The concentration of protein granules was determined cytologically in different regions of the fat body during the latter half of the third larval instar of Drosophila melanogaster . The measurements made at 6 hr intervals from 72–96 hr larvae show
Autor:
F.M. Butterworth, E.C. Forrest
Publikováno v:
Tissue and Cell. 16:237-250
Progressive changes in the ultrastructure of the larval fat body of Drosophila melanogaster were studied during the third instar. In addition to electron microscopy, light microscopy and morphometric stereology were employed to evaluate the tissue at
Publikováno v:
Tissue and Cell. 20:255-268
Using morphometric and cytochemical techniques we have described changes taking place in the fat body cells during three different stages of development. The cell number remains constant at about 2200 cells during larval life and then decreases gradu
Autor:
F.M. Butterworth
Publikováno v:
Developmental Biology. 28:311-325
After emergence into the adult stage, the cells of the larval fat body disappear rapidly from approximately 1000 to about 100 cells per fly during the first 2 days and more slowly to a zero level during the next 2 days. Cell counts in apterous4 (ap4)
Publikováno v:
Journal of Insect Physiology. 19:1487-1499
Cytometric analysis of larval fat body cells of normal and mutant genotypes was done to ascertain changes in the average cell size, the distribution of cell sizes, and changes in the amounts of cellular reserves after various incubation times in lyti
Autor:
F.M. Butterworth, H.D. Berendes
Publikováno v:
Journal of insect physiology. 20(11)
An α-ecdysone-binding protein fraction, approx. mol. wt. 120,000, has been demonstrated in haemolymph of Drosophila hydei late third instar larvae. The protein has been partly characterized by Sephadex G-25 filtration, hydroxylapatite chromatography
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