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The UAS-Catalase is a genetic construct that allows for the overexpression of the catalase enzyme in Drosophila melanogaster. Catalase is an enzyme that plays a crucial role in the breakdown of hydrogen peroxide, a potentially harmful byproduct of cellular metabolism. This construct can be used to study the effects of increased catalase activity on various biological processes in the fruit fly model organism.

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7 protocols using uas catalase

1

Drosophila Genetic Strains for Research

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w1118 or genetic background strains were used as control lines in this study. Fly strains used include: Canton-S (Bloomington Drosophila Stock Center, Stock 64349), w1118, SK-/- (kindly provided by Dr. Patrick Dolph) [44 (link)], Df(Shaker) (kindly provided by Dr. Kyunghee Koh) [45 (link)], UAS-DNKv4 [40 (link)], UAS-Kv4/Shal [43 (link)], UAS-Kv1/Shaker (kindly provided by Dr. William Joiner), and UAS-SOD1, UAS-SOD2, UAS-Catalase, UAS-NOX-RNAi and UAS-DUOX-RNAi (all kindly provided by Dr. Matthias Landgraf), UAS-GFP-Kv4/Shal [46 (link)], and elav-GAL4, tub-GAL80ts, UAS-Dcr2 (all obtained from the Bloomington Drosophila Stock Center).
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2

Drosophila Genetic Toolkit for Circadian Research

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Flies were reared in 12-h LD cycles in a humidified chamber at 25 °C on a standard corn meal medium. Clk856-GAL438 (link) was a gift from Ralf Stanewsky. The following lines were previously described: HL9-GAL467 (link), R58E02-GAL16 (link), per01,w68 (link), w;tim0169 (link)Pdf-GAL470 (link), Clk1982-GAL438 (link), DvPdf-GAL441 (link)UAS-per1671 (link), and UAS-Shibirets72 (link). NP6510-GAL4 (113956) was obtained from the Kyoto Stock Center. The following lines were obtained from the Bloomington Stock Center: TH-GAL4 (Stock number 8848), R48B04-GAL4 (50347), 0104-GAL4 (62639), MB312B (68314), MB043B (68304), MB299B (68310), MB441B (68251), MB315C (68316), UAS- GCaMP7s (79032), UAS-Kir2.1 (6596), UAS-Catalase (24621), w1118 (5905), Canton-S (64349), UAS-myrGFP, QUAS-mtdTomato(3xHA), and trans-Tango (77124).
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3

Genetic Manipulation of Scribble-Ras Oncogenic Axis

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The scrib allele used is scrib2 (also known as scrib673) (Bilder and Perrimon, 2000 (link)). The recombinant UAS-RasV12 FRT82B scrib2 (Chen et al., 2012 (link); Pérez et al., 2015 (link)) line was a kind gift of Madhuri Kango-Singh (U Dayton, OH, USA). The MARCM system (Lee and Luo, 1999 (link)) with ey-FLP (Newsome et al., 2000 (link)) was used to generate mosaics of eye/antennal imaginal discs and experimental clones were marked by GFP. In (Figure 1—figure supplement 1), we used a modified MARCM system that marks clones with myrRFP (Chabu and Xu, 2014 (link)). The wt control line (FRT +) is FRT82B (Xu and Rubin, 1993 (link)).
The following transgenes are all inserted on chromosome 2 and were crossed into the scrib−/−RasV12 background for analysis: UAS-lacZ (Bloomington, BL3955), UAS-Duox RNAi and UAS-hCatS (a kind gift of Won-Jae Lee) (Ha et al., 2005a (link); Ha et al., 2005b2005 (link)), UAS-Catalase (BL24621), UAS-SOD1 (BL24754), UAS-SOD2 (BL24494), UAS-p35 (BL5072), UAS-dronc RNAi and UAS-drICE RNAi (a kind gift of Pascal Meier) (Leulier et al., 2006 (link)). UAS-JNKDN (aka UAS-bskDN) (BL6409) is an insertion on X chromosome. Crosses were incubated at either 22° or 25°C.
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4

Drosophila Rearing and Fly Strain Protocols

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Files were raised on a standard Drosophila diet (4% cornmeal, 6% baker’s yeast (Saf yeast), 6% glucose, and 0.8% agar with 0.3% propionic acid and 0.15% nipagin) at 25°C unless otherwise indicated. For the experiments shown in Figs 1C, 4A–F, 7B–7E, and S6A–S6C, flies were raised at 25°C on an antibiotic-supplemented diet (the standard diet with 0.21% nipagin, 200 μg/mL rifampicin, 50 μg/mL tetracycline, 500 μg/mL ampicillin), by referring to a previous study [11 (link)]. The wiso31 strain developed in a previous study was used as the wild-type strain [69 (link)]. Additionally, the following fly strains were used in this study: WP-QF2, QUAS-Darksh on the 2nd chr., and QUAS-Darksh on the 3rd chr. (generated in our laboratory in previous studies [11 (link),70 (link)]), SPESK6 (kindly provided by Dr. M. Yamamoto-Hino and Dr. S. Goto), MP1SK6, pshSK1, HayanSK3, Hayan-pshDef, and modSP1 (kindly provided by Dr. B. Lemaitre), Tub-Gal4 (DGRC 108069, obtained from Kyoto Drosophila Stock Center, Japan), UAS-Catalase (BL 24621, obtained from Bloomington Drosophila Stock Center, U.S.A.), Lpp-Gal4 (kindly provided by Dr. M. Brankatschk and Dr. S. Eaton, [71 (link)]), UAS-LacZ (DGRC 106500, obtained from Kyoto Drosophila Stock Center, Japan), UAS-persephone (kindly provided by Dr. JM. Reichhart, [31 (link)]), UAS-Hayan and UAS-Hayan mutant (kindly provided by Dr. WJ. Lee, [50 (link)]).
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5

Drosophila Genetic Knockdowns for Cellular Assays

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The fly stocks used in this paper are as follows: mad2-RNAi (VDRC 47918), Rad21-RNAi (Bloomington #36786), Eiger (TNFα)-RNAi (VDRC108814), UAS-catalase (Bloomington #24621), HMGB1-RNAi (Bloomington #31960), Drosomycin-GFP [24 (link)], UAS-p35 (Bloomington #5073).
Driver stocks: daughterless (da)-Gal4 for ubiquitous expression, engrailed (en)-Gal4 for gene expression in the posterior region of wing discs and MS1096-Gal4 for wing pouch expression, all from Bloomington Drosophila stock centre.
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6

Drosophila Genetic Manipulation Toolkit

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UAS-catalase, UAS-SOD1, UAS-SOD2, UAS-p38b+, UAS-DMKK3+, UAS-coracle+, Tubulin-GAL4, Armadillo-GAL4 (Arm-GAL4), and Tubulin-Gal80ts were from the Bloomington Stock Center. UAS-catalaseRNAi, UAS-SOD1RNAi, UAS-SOD2RNAi, UAS-DMKK3RNAi, and UAS-coracleRNAi were from the Vienna Drosophila RNAi Center. D-p38a13 and D-p38b156A were as previously described (Chen et al., 2010 (link)). UAS-p38bDN (Adachi-Yamada et al., 1999 (link)) was a kind gift from T. Adachi-Yamada at Kobe University, Japan. Dot-GAL4 (insertion 11C (c2)) (Kimbrell et al., 2002 (link)) was previously generated in D.A. Kimbrell’s laboratory at the University of California, Davis. GMH5 was as previously described by Wessells et al. (2004) (link). Hand-GAL4 was a kind gift from A. Paululat (University of Osnabruek, Germany).
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7

Drosophila Genetic Manipulation Toolkit

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UAS-catalase, UAS-SOD1, UAS-SOD2, UAS-p38b+, UAS-DMKK3+, UAS-coracle+, Tubulin-GAL4, Armadillo-GAL4 (Arm-GAL4), and Tubulin-Gal80ts were from the Bloomington Stock Center. UAS-catalaseRNAi, UAS-SOD1RNAi, UAS-SOD2RNAi, UAS-DMKK3RNAi, and UAS-coracleRNAi were from the Vienna Drosophila RNAi Center. D-p38a13 and D-p38b156A were as previously described (Chen et al., 2010 (link)). UAS-p38bDN (Adachi-Yamada et al., 1999 (link)) was a kind gift from T. Adachi-Yamada at Kobe University, Japan. Dot-GAL4 (insertion 11C (c2)) (Kimbrell et al., 2002 (link)) was previously generated in D.A. Kimbrell’s laboratory at the University of California, Davis. GMH5 was as previously described by Wessells et al. (2004) (link). Hand-GAL4 was a kind gift from A. Paululat (University of Osnabruek, Germany).
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