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2 protocols using rabbit anti phospho histone h3 ph3

1

Immunodetection of Neural Progenitors

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Antibodies for neuroblast (NB) and intermediate neural progenitor (INP) detection were used at the following dilutions in 0.3% PBST (PBS + 10% Triton-X 100): Rabbit anti-phospho-Histone H3 (pH3; Cell Signaling) at 1:500, rat anti-Deadpan (Abcam) at 1:75, goat anti-rabbit Cy3 (Jackson Immunoresearch) at 1:300, and goat anti-rat Alexa 488 (Jackson ImmunoResearch) at 1:250. Anti-Deadpan marks all NBs and INPs and was used to define and exclude the optic lobe during analysis. Anti-pH3 marks all proliferating NBs and progenitor cells in M phase. Antibodies used for the detection of fasciculating axons in the mushroom body were used at the following dilutions in 0.1% PBST: Mouse anti-FasciclinII (Developmental Studies Hybridoma Bank) at 1:20 and goat anti-mouse Alexa 488 (Jackson ImmunoResearch) at 1:1000.
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2

Drosophila Genetics and Imaging Techniques

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Flies were raised on standard corn-molasses food at 25 °C. The following strains were used: da-Gal4 (BL55849); en-Gal4-GFP [46 (link)], UAS-lacZ (BL8530), UAS-mei-41 (this work), UAS-grapes.ORF.3xHA (F000934; obtained from FlyORF; Zürich, Switzerland) [47 (link)], UAS-chk2 (lok) (gift of U. Abdu) [48 (link)], UASp-lacZ [49 (link)], p53R-GFP [36 (link)]. Staining of third instar wing imaginal discs or salivary glands was done according to standard protocols as described earlier [38 (link), 50 (link)] using the following antibodies: rabbit anti-GFP (1:100; Santa Cruz Biotech, Dallas, USA), guinea pig anti-Pzg (1:1000) [39 (link)], rabbit anti-cleaved Caspase-3 (1:250; Cell Signaling, Germany) and rabbit anti-Phospho-Histone H3 (PH3) (1:50; Cell Signaling, Germany). Secondary antibodies from goat or donkey, coupled to FITC or Cy3, were obtained from Jackson Immuno-Research Laboratories (Dianova, Hamburg, Germany). Larval tissue was documented by confocal microscopy using a MRC1024 confocal scan head coupled to a Zeiss Axiophot (Carl Zeiss AG, Oberkochen, Germany) and LaserSharp 2000 imaging software. Pictures were compiled with Corel Photo Paint and Corel Draw software.
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