RNAi

Gene Info

  • Species:Fly (Drosophila melanogaster)
  • GeneID:53443
  • Symbol:SF2
  • Description:Splicing factor 2
DataSource: http://genomernai.dkfz.de/v16/genedetails/53443

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Stable_ID Entrez_ID Gene_ID Gene_Symbol Reagent_ID Score Phenotype Conditions Follow_Up Comment Screen_Title Publication_Title Authors Publication_Year Pubmed_ID Biosource Biomodel Assay Method Library Scope Reagent_Type Score_Type Cutoff Notes
GR00002-A 53443 FBgn0040284 SF2 DRSC16845 1.557064135 none no Lipid storage COPI complex is a regulator of lipid homeostasis. Beller et al. 2008 19067489 Cell line Kc167 Nuclear to lipid droplet cross-sectional area Fluorescence np Genome-wide dsRNA B-score > 2 OR < -1.7 Additional information about a secondary screen with non-overlaping dsRNAs
GR00002-A 53443 FBgn0040284 SF2 DRSC16845 1.406563838 none no Lipid storage COPI complex is a regulator of lipid homeostasis. Beller et al. 2008 19067489 Cell line Kc167 Nuclear to lipid droplet cross-sectional area Fluorescence np Genome-wide dsRNA B-score > 2 OR < -1.7 Additional information about a secondary screen with non-overlaping dsRNAs
GR00007-A-0 53443 FBgn0040284 DRSC16845 np Excess branching no Neural outgrowth Identification of neural outgrowth genes using genome-wide RNAi. Sepp et al. 2008 18604272 Cell line Primary neural cells Morphology High content (microscopy) DRSC dsRNA Visual inspection np
GR00021-A-0 53443 FBgn0040284 DRSC16845 weak ERK activation reduced no ERK signaling A functional RNAi screen for regulators of receptor tyrosine kinase and ERK signalling. Friedman et al. 2006 17086199 Cell line S2R+ ERK signaling Fluorescence DRSC dsRNA Weak, moderate, strong np
GR00031-A-1 53443 HFA16845 0 none yes Cell growth and viability (1) Genome-wide RNAi analysis of growth and viability in Drosophila cells. Boutros et al. 2004 14764878 Cell line Kc167 Cell number and viability Luminescence Custom-made (HFA) Genome-wide dsRNA Z-score >
GR00031-A-2 53443 HFA16845 1.1 none no Cell growth and viability (2) Genome-wide RNAi analysis of growth and viability in Drosophila cells. Boutros et al. 2004 14764878 Cell line S2R+ Cell number and viability Luminescence Custom-made (HFA) Genome-wide dsRNA Z-score >
GR00035-A 53443 CG6987 SF2 DSF11 sp none no Alternative splicing Identification of alternative splicing regulators by RNA interference in Drosophila. Park et al. 2004 15492211 Cell line S2 dAdar, para and Dscam mRNA expression Reverse transcription PCR and autoradiography Custom-made RNA-binding protein genes and spliceosomal genes dsRNA np Alternative exon splicing for >
GR00040-A-0 53443 FBgn0040284 DRSC16845 -1.2 Decreased Wnt reporter activity no Wnt signaling Functional genomic analysis of the Wnt-wingless signaling pathway. DasGupta et al. 2005 15817814 Cell line Clone 8 Wnt signaling Dual luciferase DRSC dsRNA Z-score >
GR00045-A-0 53443 FBgn0040284 DRSC16845 -2.35 Decreased Hedgehog reporter activity no Hedgehog signaling A genome-wide RNA interference screen in Drosophila melanogaster cells for new components of the Hh signaling pathway. Nybakken et al. 2005 16311596 Cell line Clone 8 Hedgehog signaling Dual luciferase DRSC dsRNA Z-score >
53443 FBgn0040284 SF2 LD40489 sp none no library: DGC1
GR00134-A-1 53443 CG6987 SF2 27776 np Lethal no adult/pharate Muscle morphogenesis and function (1) Systematic genetic analysis of muscle morphogenesis and function in Drosophila. Schnorrer et al. 2010 20220848 Tissue Mef2-GAL4 Posture, locomotion, flight and viability Visual inspection np Genome-wide UAS-IR construct rp S19 > 0.5
GR00134-A-1 53443 CG6987 SF2 27775 np none no Muscle morphogenesis and function (1) Systematic genetic analysis of muscle morphogenesis and function in Drosophila. Schnorrer et al. 2010 20220848 Tissue Mef2-GAL4 Posture, locomotion, flight and viability Visual inspection np Genome-wide UAS-IR construct rp S19 > 0.5
GR00135-A-1 53443 CG6987 SF2 27776 2.66 Increased noxious heat avoidance yes Heat nociception (1) A genome-wide Drosophila screen for heat nociception identifies α2δ3 as an evolutionarily conserved pain gene. Neely et al. 2010 21074052 Organism elav-GAL4 Noxious heat avoidance and viability Fly count np Genome-wide UAS-IR construct Z-score > 1.65 Additional information about secondary screens (geotactic, phototaxis, and temperature sensitivity)
GR00138-A-1 53443 CG6987 27775 1 none no Heart development and function (1) A global in vivo Drosophila RNAi screen identifies NOT3 as a conserved regulator of heart function. Neely et al. 2010 20371351 Tissue TinCΔ4 12a-Gal4 Viability Fly count np Selected genes UAS-IR construct Developmental lethality <
GR00138-A-1 53443 CG6987 27776 1 none no Heart development and function (1) A global in vivo Drosophila RNAi screen identifies NOT3 as a conserved regulator of heart function. Neely et al. 2010 20371351 Tissue TinCΔ4 12a-Gal4 Viability Fly count np Selected genes UAS-IR construct Developmental lethality <
GR00139-A 53443 SF2 27775 sp none no viable Fly viability and adult morphology A genome-wide transgenic RNAi library for conditional gene inactivation in Drosophila. Dietzl et al. 2007 17625558 Organism Act5C-GAL4 Adult morphology and viability Visual inspection Custom-made Selected and random genes UAS-IR construct Phenotype strength np Additional information about secondary screens (MS1096-GAL4, ey-GAL4, GMR-GAL4 and pnr-GAL4)
GR00142-A-1 53443 CG6987 SF2 27776 -0.0588235294117647 none no Serratia marcescens infection (1) Genome-wide RNAi screen identifies genes involved in intestinal pathogenic bacterial infection. Cronin et al. 2009 19520911 Organism HSP70-GAL4; TubGAL80ts Heat shock and viability Fly count np Random genes UAS-IR construct Days life time (LT50) < -1.5 SD OR > 2 SD
GR00144-A-4 53443 CG6987 27775 2.4 Notum malformation death no not lethal Notch pathway regulation (4) Genome-wide analysis of Notch signalling in Drosophila by transgenic RNAi. Mummery-Widmer et al. 2009 19363474 Tissue pnr-GAL4 External sensory organ morphology and viability Visual inspection np Genome-wide UAS-IR construct Phenotype strength np
GR00144-A-4 53443 CG6987 27776 sp Completely lethal (pupal) no Notch pathway regulation (4) Genome-wide analysis of Notch signalling in Drosophila by transgenic RNAi. Mummery-Widmer et al. 2009 19363474 Tissue pnr-GAL4 External sensory organ morphology and viability Visual inspection np Genome-wide UAS-IR construct Phenotype strength np
GR00157-A 53443 SF2 DRSC32604 -0.31 Downregulation of Wg pathway no Wg pathway regulation A case study of the reproducibility of transcriptional reporter cell-based RNAi screens in Drosophila. DasGupta et al. 2007 17903264 Cell line rp rp Luminescence DRSC-v Selected genes dsRNA log ratio > 30 % difference from control
GR00157-A 53443 SF2 DRSC32605 -0.22 Downregulation of Wg pathway no Wg pathway regulation A case study of the reproducibility of transcriptional reporter cell-based RNAi screens in Drosophila. DasGupta et al. 2007 17903264 Cell line rp rp Luminescence DRSC-v Selected genes dsRNA log ratio > 30 % difference from control
GR00170-A-1 53443 SF2 DRSC16845 -4.3 Decreased HIF dependent transcription with desferrioxamine yes HIF-dependent transcription (1) Drosophila genome-wide RNAi screen identifies multiple regulators of HIF-dependent transcription in hypoxia. Dekanty et al. 2010 20585616 Cell line S2 Hypoxia inducible HRE reporter Luminescence DRSC 1.0 library Genome-wide dsRNA Z-score <
GR00170-A-2 53443 SF2 DRSC32605 47.4 none no desferrioxamine inhibition < 50 % HIF-dependent transcription (2) Drosophila genome-wide RNAi screen identifies multiple regulators of HIF-dependent transcription in hypoxia. Dekanty et al. 2010 20585616 Cell line S2 Hypoxia inducible HRE reporter Luminescence DRSC 2.0 library Selected genes dsRNA Percentage Group A: > 75 %; group B: 50 – 75 % by at least one dsRNA
GR00170-A-2 53443 SF2 DRSC32604 51.8 none no desferrioxamine inhibition < 50 % HIF-dependent transcription (2) Drosophila genome-wide RNAi screen identifies multiple regulators of HIF-dependent transcription in hypoxia. Dekanty et al. 2010 20585616 Cell line S2 Hypoxia inducible HRE reporter Luminescence DRSC 2.0 library Selected genes dsRNA Percentage Group A: > 75 %; group B: 50 – 75 % by at least one dsRNA
GR00172-A-1 53443 CG6987, CG6754 SF2, nbs DRSC16845, custom (nbs) np Increased histone H3 phosphorylation with doxorubicin yes G2-M DNA damage checkpoint regulation (1) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Genome-wide dsRNA Mitotic cell number per well > 20
GR00172-A-1 53443 CG6987, CG6754 SF2, nbs DRSC32604, custom (nbs) np Increased histone H3 phosphorylation with doxorubicin yes G2-M DNA damage checkpoint regulation (1) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Genome-wide dsRNA Mitotic cell number per well > 20
GR00172-A-2 53443 CG6987 SF2 DRSC16845, DRSC32604 20.61 Increased histone H3 phosphorylation with bleocin yes with bleocin G2-M DNA damage checkpoint regulation (2) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Selected genes dsRNA Relative mitotic index Complex criteria Several genes were considered potential false positives because they were likely to increase the mitotic index by delaying mitotic exit irrespective of the DNA damage checkpoint - see comment field.
GR00172-A-2 53443 CG6987 SF2 DRSC16845, DRSC32604 30.22 Increased histone H3 phosphorylation with doxorubicin yes with doxorubicin G2-M DNA damage checkpoint regulation (2) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Selected genes dsRNA Relative mitotic index Complex criteria Several genes were considered potential false positives because they were likely to increase the mitotic index by delaying mitotic exit irrespective of the DNA damage checkpoint - see comment field.
GR00172-A-2 53443 CG6987 SF2 DRSC16845, DRSC32604 30.41 Increased histone H3 phosphorylation with etoposide yes with etoposide G2-M DNA damage checkpoint regulation (2) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Selected genes dsRNA Relative mitotic index Complex criteria Several genes were considered potential false positives because they were likely to increase the mitotic index by delaying mitotic exit irrespective of the DNA damage checkpoint - see comment field.
GR00172-A-2 53443 CG6987 SF2 DRSC16845, DRSC32604 38.96 Increased histone H3 phosphorylation after X-ray exposure yes X-ray exposure G2-M DNA damage checkpoint regulation (2) A genome-wide RNAi screen identifies core components of the G₂-M DNA damage checkpoint. Kondo and Perrimon 2011 21205937 Cell line S2R+ Histone H3 phosphorylation Fluorescence DRSC 2.0 and custom-made Selected genes dsRNA Relative mitotic index Complex criteria Several genes were considered potential false positives because they were likely to increase the mitotic index by delaying mitotic exit irrespective of the DNA damage checkpoint - see comment field.
GR00175-A 53443 CG6987 SF2 DRSC32605 -0.390324038051901 Downregulation of Hh pathway no Hh pathway regulation A case study of the reproducibility of transcriptional reporter cell-based RNAi screens in Drosophila. DasGupta et al. 2007 17903264 Cell line rp rp Luminescence DRSC-v Selected genes dsRNA Average fractional change Complex criteria
GR00175-A 53443 CG6987 SF2 DRSC32604 -0.314996698670545 Downregulation of Hh pathway no Hh pathway regulation A case study of the reproducibility of transcriptional reporter cell-based RNAi screens in Drosophila. DasGupta et al. 2007 17903264 Cell line rp rp Luminescence DRSC-v Selected genes dsRNA Average fractional change Complex criteria
GR00183-A 53443 FBgn0040284 SF2 27775 sp GFP aggregates number, GFP aggregates size, neuroblast larger cell size, neuroblast less large cells, neuroblast cell shape, ganglion mother cell shorter lineages, neuroblast loss, neuroblast loss with larger neuroblast cell size, neuroblast underprolifer no Self-renewal and differentiation in neural stem cells Genome-wide analysis of self-renewal in Drosophila neural stem cells by transgenic RNAi. Neumueller et al. 2011 21549331 Tissue insc-GAL4 Number and size of neuroblasts, ganglion mother cells, intracellular GFP aggregates and viability Fluorescence np Genome-wide UAS-IR construct Phenotype strength > 1 Additional information about a secondary screen (KK library)
GR00183-A 53443 FBgn0040284 SF2 27776 sp GFP aggregates number, GFP aggregates size, neuroblast larger cell size, neuroblast less large cells, neuroblast cell shape, ganglion mother cell shorter lineages, ganglion mother cell shape, neuroblast loss, neuroblast loss with larger neuroblast cell si no Self-renewal and differentiation in neural stem cells Genome-wide analysis of self-renewal in Drosophila neural stem cells by transgenic RNAi. Neumueller et al. 2011 21549331 Tissue insc-GAL4 Number and size of neuroblasts, ganglion mother cells, intracellular GFP aggregates and viability Fluorescence np Genome-wide UAS-IR construct Phenotype strength > 1 Additional information about a secondary screen (KK library)
GR00190-A-1 53443 FBgn0040284 SF2 27776 -0.197 none no Adiposity regulation (1) Drosophila genome-wide obesity screen reveals hedgehog as a determinant of brown versus white adipose cell fate. Pospisilik et al. 2010 20074523 Organism Hsp70-GAL4;Tub-GAL80ts Total fly triglyceride expression Colorimetrics np Genome-wide UAS-IR construct Triglyceride change Z-score > 1.65 after 3 screening rounds Additional information about the primary screen
53443 FBgn0040284 SF2 np < -2 Decreased BiP signal peptide and firefly luciferase fusion protein expression no
GR00214-A-1 53443 FBgn0040284 SF2 DRSC16845 -6.7 Decreased ERK phosphorylation after EGF stimulation 0 minutes EGF stimulation yes RTK-Ras-ERK pathway regulation (1) Proteomic and functional genomic landscape of receptor tyrosine kinase and ras to extracellular signal-regulated kinase signaling. Friedman et al. 2011 22028469 Cell line S2R+ ERK phosphorylation Fluorescence np Genome-wide dsRNA Z-score > 1.5 OR < -1.5
GR00214-A-1 53443 FBgn0040284 SF2 DRSC16845 2.74 Increased ERK phosphorylation after EGF stimulation 10 minutes EGF stimulation yes RTK-Ras-ERK pathway regulation (1) Proteomic and functional genomic landscape of receptor tyrosine kinase and ras to extracellular signal-regulated kinase signaling. Friedman et al. 2011 22028469 Cell line S2R+ ERK phosphorylation Fluorescence np Genome-wide dsRNA Z-score > 1.5 OR < -1.5
GR00214-A-2 53443 FBgn0040284 SF2 DRSC16845 -1.1 none 30 minutes sSpitz stimulation no RTK-Ras-ERK pathway regulation (2) Proteomic and functional genomic landscape of receptor tyrosine kinase and ras to extracellular signal-regulated kinase signaling. Friedman et al. 2011 22028469 Cell line Kc167 ERK phosphorylation Fluorescence np Genome-wide dsRNA Z-score > 1.5 OR < -1.5
GR00214-A-2 53443 FBgn0040284 SF2 DRSC16845 0.52 none 10 minutes sSpitz stimulation no RTK-Ras-ERK pathway regulation (2) Proteomic and functional genomic landscape of receptor tyrosine kinase and ras to extracellular signal-regulated kinase signaling. Friedman et al. 2011 22028469 Cell line Kc167 ERK phosphorylation Fluorescence np Genome-wide dsRNA Z-score > 1.5 OR < -1.5
GR00217-A-1 53443 CG6987 SF2 np weak Decreased WgRluc and not changed sFluc protein expression no Wg pathway regulation (1) A genome-wide RNA interference screen uncovers two p24 proteins as regulators of Wingless secretion. Port et al. 2011 21886182 Cell line S2R+ WgRluc and sFluc protein expression Luminescence np Genome-wide dsRNA Phenotype strength Complex criteria Phenotype strength categories: strong: both duplicates 2 standard deviations (SD) below plate mean; medium: both duplicates 1 SD below plate mean; weak: one duplicate 2 SD below plate mean, the other not significantly changed; additional information about secondary screens (hhGAL4 and eyGAL4 GMR–GAL4)
GR00218-S 53443 CG6987 AMB21499 -2.32 none no Hippo pathway regulation Salt-inducible kinases regulate growth through the Hippo signalling pathway in Drosophila Wehr et al. 2013 23263283 Cell line S2R+ Hippo pathway reporter Luminescence np Genome-wide dsRNA Z-score > 3 OR < -3 Author-submitted data. Primary screen
GR00239-A-1 53443 CG6987 6987R sp none no Glycosylation regulation (1) Identification of genes required for neural-specific glycosylation using functional genomics. Yamamoto-Hino et al. 2010 21203496 Tissue GMR-GAL4 Chaoptin (Chp) protein expression, alpha1,3-fucose, alpha1,6-fucose, (GlcNAc)n, GlcNAcb1-4GlcNAc and mannose Chp glycosylation and viability Luminescence np Selected genes UAS-IR construct Z-score > 3
GR00282-A 53443 CG6987 SF2 27775 np none piRNA pathway regulation The Genetic Makeup of the Drosophila piRNA Pathway Handler 2013 23665231 Tissue tj-GAL4 Gypsy transposon expression Microscopy VDRC Selected genes UAS-IR construct Visual inspection np See comment for ovarian morphology data. Gene expression data shown in the comment derive from an ovarian stem cell line. VDRC library: KK and GD used, see phenotype data
GR00282-A 53443 CG6987 SF2 27776 np none piRNA pathway regulation The Genetic Makeup of the Drosophila piRNA Pathway Handler 2013 23665231 Tissue tj-GAL4 Gypsy transposon expression Microscopy VDRC Selected genes UAS-IR construct Visual inspection np See comment for ovarian morphology data. Gene expression data shown in the comment derive from an ovarian stem cell line. VDRC library: KK and GD used, see phenotype data
GR00284-A 53443 CG6987 SF2 27775 0.8159283824898681 none piRNA pathway regulation A Transcriptome-wide RNAi Screen in the Drosophila Ovary Reveals Factors of the Germline piRNA Pathway Czech et al. 2013 23665227 Tissue nos-GAL4 Transposon expression qPCR VDRC Selected genes UAS-IR construct Z-score Weak < -1.5; strong: < -2 KK and GD libraries used (see phenotype data)
GR00291-A 53443 SF2 DRSC16845 sp Increased or decreased hedgehog (hh) secretion eliminated as hit by authors, sp Hedgehog (hh) secretion regulation A Genome-Wide RNAi Screen Identifies Regulators of Cholesterol-Modified Hedgehog Secretion in Drosophila Aikin et al. 2012 22432040 Cell line S2 Hedgehog protein expression Luminescence DRSC Genome-wide dsRNA Z-score < -2 OR > 2 by at least 1/3 Z-scores 296 hits were eliminated by the authors for several criteria, sp. Reagents targeting unknown genes (HDCs) are not displayed. Additional secondary screen available.
GR00311-A 53443 FBgn0040284 SF2 DRSC16845 np Actin defect, other cellular phenotype cell shape variable, decreased level of actin, decreased cell number, loss of cell monolayer Actin and microtubule morphology Comparative RNAi screening identifies a conserved core metazoan actinome by phenotype Rohn et al. 2011 21893601 Cell line S2R+ Alpha-tubulin and F-actin protein expression Fluorescence DRSC Genome-wide dsRNA Visual inspection np Exact phenotypes are shown in the comment section. Several genes were indicated as hits but no phenotype was provided. The screen data plus images is available at http://jcb-dataviewer.rupress.org/jcb/browse/4609/S2.
GR00335-A 53443 FBgn0040284 SF2 HMS00358 np none Germline stem cell (GSC) regulation A Regulatory Network of Drosophila Germline Stem Cell Self-Renewal Yan et al. 2014 24576427 Tissue MTD-GAL4 or UAS-dcr2; nanos-GAL4 Spectrin and vasa protein expression Fluorescence TRiP Selected genes UAS-IR construct Visual inspection np More detailed phenotypes for some genes are shown in the comment. Various VALIUM vectors were used.
GR00335-A 53443 FBgn0040284 SF2 HM05199 np none Germline stem cell (GSC) regulation A Regulatory Network of Drosophila Germline Stem Cell Self-Renewal Yan et al. 2014 24576427 Tissue MTD-GAL4 or UAS-dcr2; nanos-GAL4 Spectrin and vasa protein expression Fluorescence TRiP Selected genes UAS-IR construct Visual inspection np More detailed phenotypes for some genes are shown in the comment. Various VALIUM vectors were used.
53443 FBgn0040284 np np sp none
GR00367-S 53443 CG6987 27775 np none VDRC Drosophila airway maturation Transient junction anisotropies orient annular cell polarization in the Drosophila airway tubes Hosono et al. 2015 26551273 Tissue btl-GAL4 Liquid clearance defect and viability Visual inspection VDRC, Trip, NIG Genome-wide UAS-IR construct Frequency >30%
GR00379-A-1 53443 CG6987 27775 -0.45548782735286963 none No phenotype in egg laying/hatching or larvae in egg laying or larvae Stem cell maintenance Regulation of Ribosome Biogenesis and Protein Synthesis Controls Germline Stem Cell Differentiation Sanchez et al. 2016 26669894 Organism nanos-GAL4 nos and yTub37c mRNA expression qPCR VDRC Selected genes UAS-IR construct Z-score Low: 1 - 2.5; Medium: 2.5 - 4; High: > Selected genes are: transcriptome-wide in female Drosophila. Additional phenotypes (egg laying/hatching) noted in the comment section. Subset libraries from VDRC (KK or GD) can be found in a column next to the comment field.
GR00388-A 53443 CG6987 GD27776 none Regulation of intestinal stem cells (ISC) Genome-wide RNAi Screen Identifies Networks Involved in Intestinal Stem Cell Regulation in Drosophila Zeng et al. 2015 25704823 Tissue act5C-GAL4 Viability Visual inspection VDRC and BDSC Genome-wide UAS-IR construct np np Lethal transgenic lines identified from the primary screen were crossed with temperature-sensitive esg-GAL4 flies. Phenotypes of ISCs from the dissected midguts are shown in the "Comment" section.
GR00388-A 53443 CG6987 BL29522 none Regulation of intestinal stem cells (ISC) Genome-wide RNAi Screen Identifies Networks Involved in Intestinal Stem Cell Regulation in Drosophila Zeng et al. 2015 25704823 Tissue act5C-GAL4 Viability Visual inspection VDRC and BDSC Genome-wide UAS-IR construct np np Lethal transgenic lines identified from the primary screen were crossed with temperature-sensitive esg-GAL4 flies. Phenotypes of ISCs from the dissected midguts are shown in the "Comment" section.
GR00388-A 53443 CG6987 BL32367 none Regulation of intestinal stem cells (ISC) Genome-wide RNAi Screen Identifies Networks Involved in Intestinal Stem Cell Regulation in Drosophila Zeng et al. 2015 25704823 Tissue act5C-GAL4 Viability Visual inspection VDRC and BDSC Genome-wide UAS-IR construct np np Lethal transgenic lines identified from the primary screen were crossed with temperature-sensitive esg-GAL4 flies. Phenotypes of ISCs from the dissected midguts are shown in the "Comment" section.