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Версія від 20:58, 4 червня 2017, створена Net64tax (обговореннявнесок) (Створена сторінка: , 1994). The cg (collagen type IV) promoter ( Asha et al., 2003) fused with Gal4, was used to drive expression of UAS-dMyc or UAS-dMyc-RNAi in the FB. dMyc prot...)

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, 1994). The cg (collagen type IV) promoter ( Asha et al., 2003) fused with Gal4, was used to drive expression of UAS-dMyc or UAS-dMyc-RNAi in the FB. dMyc protein expression was analyzed in FB from yw1118; cg-Gal4; UAS-HA-dMyc (hereinafter called cg-dMyc), yw?1118; cg-Gal4; UAS-dMyc-RNAi (hereinafter called cg-dMyc-RNAi), and yw1118; cg-Gal4 (hereinafter called cg-) third instar larvae, using anti dMyc antibodies ( Prober and Edgar, 2002). These data showed that in the FB anti dMyc antibodies recognize two major bands of 100 and 130?KDa bands that were significantly reduced in extracts from cg-dMyc RNAi FBs ( Fig. 1A, left panel). However, since dMyc was expressed with an HA tag, we were able to use anti-HA antibody to detect one band at 100?KDa that was present only in the extracts of FB from cg-HA-dMyc Tenofovir supplier larvae ( Fig. 1A, right panel). Analysis of organismal size and developmental delay revealed that cg-dMyc animals develop with a similar rate as cg larvae ( Fig. 1C and Table 1), but they reach pupation at a significantly bigger size than control animals. Similar results were obtained using two independent insertions of UAS-dMyc (t-test P-valuestuclazepam the dMyc-RNAi line on Chromosome III resulted in larval lethality, a defect that was rescued by coexpression of UAS-dMyc ( Table 1, and Supplementary Fig. 1). Phenotypic analysis of the adult animals showed that cg-dMyc XAV-939 solubility dmso flies were 17% heavier than control cg- animals ( Fig. 1D,E), on the contrary, RNAi-mediated reduction of dMyc resulted in flies that eclosed with and with significantly reduced body size and weight ( Fig. 1D,E and Table 1) and two days of delay ( Supplementary Fig. 1B). To assess whether the differences in body weight measured in cg-dMyc and cg-dMyc-RNAi adults animals reflected changes in the size of the peripheral organs, we measured the cell size and number in the wing and the eye of adult animals. In the wing blade each cell is accessorized with a single bristle called trichome. We measured the number of trichomes in a defined area of the wing blade in animals of the three different genotypes. This analysis revealed that flies expressing dMyc in the FB had an increased size and number of the cells in their wings ( Fig. 1E, P