A Database of Drosophila Genes & Genomes

FB2008_07, released August 8, 2008
 

Allele Dmel\l(1)scScer\UAS.cHa

General Information
SymbolDmel\l(1)scScer\UAS.cHaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of HinzFlyBase IDFBal0045936
Feature typealleleCreated / Updated2006-08-20/2006-08-20
Associated geneDmel\l(1)sc
Allele class
Mutagenin vitro construct | regulatory fusion
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Allele class
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Mapped Features and Mutations
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Associated Sequence Data
DDBJ /
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DNA sequence
Protein sequence
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UniProtKB/Swiss-Prot
    UniProtKB/TrEMBL
      Progenitor genotype
      Nature of the lesion
      Statement
      Reference
      Construct: Expression of l(1)sc cDNA is governed by Scer\UAS regulatory sequences.
      Assay mode
      Carried in construct
      Cytology
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      macrochaeta & scutellum, with Scer\GAL4455.2
      macrochaeta & abdominal sternite 1, with Scer\GAL4sca-537.4
      macrochaeta & abdominal sternite 2, with Scer\GAL4sca-537.4
      macrochaeta & abdominal sternite 3, with Scer\GAL4sca-537.4
      macrochaeta & abdominal sternite 4, with Scer\GAL4sca-537.4
      macrochaeta & abdominal sternite 5, with Scer\GAL4sca-537.4
      macrochaeta & abdominal sternite 6, with Scer\GAL4sca-537.4
      macrochaeta & pronotum, with Scer\GAL4h-540.3
      macrochaeta & scutum, with Scer\GAL4h-540.3
      macrochaeta & metathoracic laterotergite, with Scer\GAL4h-540.3
      macrochaeta & mesothoracic laterotergite, with Scer\GAL4h-540.3
      microchaeta & pronotum, with Scer\GAL4h-540.3
      microchaeta & scutum, with Scer\GAL4h-540.3
      microchaeta & metathoracic laterotergite, with Scer\GAL4h-540.3
      microchaeta & mesothoracic laterotergite, with Scer\GAL4h-540.3
      macrochaeta & wing, with Scer\GAL4564.2
      scutellum & microchaeta, with Scer\GAL4ptc-559.1
      sensory mother cell & dorsal mesothoracic disc, with Scer\GAL4ap-md544
      hide Detailed Description
      Statement
      Reference
      Ectopic external sense organs develop, macrochaetae, microchaetae and campaniform sensilla, on virtually every part of the body. Extra veins with microchaetae also develop on the wing blade.
      Neural hypoplasia of the CNS and PNS in Df(1)260-1 hemizygous embryos is strongly reduced by Scer\GAL4da.G32-mediated expression of l(1)scScer\UAS.cHa. Scer\GAL4da.G32-mediated expression is not sufficient to promote the development of ectopic nerve cells in wild type embryos, but does cause defects in internal sensory organs.
      In strain ZB1.4 the activator insertion Scer\GAL4455.2 is combined with l(1)scScer\UAS.cHa causing the development of 10 ectopic scutellar macrochaetes.
      Flies with l(1)scScer\UAS.cHa under the control of Scer\GAL4ptc-559.1 form multiple ectopic macrochaetae and microchaetae on the scutellum. l(1)scScer\UAS.cHa, when driven by Scer\GAL4ap-md544, creates a pattern of discrete sensory organ precursors randomly dispersed throughout the dorsal half of the wing pouch in the wing disc.
      Before delamination of the SI neuroblasts, the ventral neuroectoderm (VNE) of embryos expressing l(1)scScer\UAS.cHa under the control of Scer\GAL4da.G32 can be subdivided into three longitudinal regions based on average cell size, as in wild-type embryos. More enlarged cells are detected in all regions of the VNE compared to wild type; 81% in the medial, 65% in the intermediate and 71% in the lateral region (wild-type numbers are 63%, 20% and 64% respectively). The morphologies and cell sizes of the neuroblasts are altered compared to wild type; whereas in wild-type embryos the delaminating neuroblasts have small apical surfaces and are basally bloated, almost all SI neuroblasts in the VNE of embryos expressing l(1)scScer\UAS.cHa under the control of Scer\GAL4da.G32 are basally and apically bloated. As in wild-type embryos, the neuroectodermal cells that have become enlarged decrease in size during delamination of the SI neuroblasts.
      When l(1)scScer\UAS.cHa is driven by Scer\GAL4sca-537.4 complete ectopic mechano-sensory bristles are seen.
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      Statement
      Reference
      One copy of daIIP106 or a deficiency of da can suppress the wing phenotype, the presence of a third copy of da enhances the phenotype.
      Scer\GAL4da.G32-mediated expression of Dl::NΔECN.Scer\UAS generates aneural embryos. Simultaneous expression of daScer\UAS.cGa and l(1)scScer\UAS.cHa does not rescue the phenotype.
      Scer\GAL4455.2-mediated expression leads to an increase in the number of scutellar bristles, on average 6 to 7 ectopic bristles can be counted. Phenotype can be suppressed by mutations of da and H and enhanced by mutations of emc, Dl, E(spl), h, mam, eIF-4a, ptc, Hrb27C, l(2)44DEa, Hr46, jumu and N.
      Some embryos coexpressing l(1)scScer\UAS.cHa and daScer\UAS.cGa under the control of Scer\GAL4da.G32 develop multiple Malpighian tubule tip cells.
      Co-expression of l(1)scScer\UAS.cHa and daScer\UAS.cGa driven by Scer\GAL4da.G32 results in minor muscle and PNS pattern formation defects and in very rare cases, muscle duplication. The addition of l(1)scScer\UAS.cHa and daScer\UAS.cGa does not rescue the mesoderm phenotype of Nint.SH.Scer\UAS driven by Scer\GAL4da.G32.
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      hide Synonyms & Secondary IDs ( 3 )
      Reported As
      Symbol Synonym
      l(1)scScer\UAS.cHa
       
      l(1)scUAS.cHa
       
      Name Synonym
      Saccharomyces cerevisiae UAS construct a of Hinz
      Secondary FlyBase IDs
        hide References ( 14 )
        Research paper
        Cooper et al., 2000, Dev. Biol. 221(2): 390--403
        Spatially restricted factors cooperate with Notch in the regulation of Enhancer of split genes. [FBrf0127044]
        Nagel et al., 2000, Mech. Dev. 94(1-2): 3--12
        Su(H)-independent activity of Hairless during mechano-sensory organ formation in Drosophila. [FBrf0128585]
        Stollewerk, 2000, Dev. Genes Evol. 210(4): 190--199
        Changes in cell shape in the ventral neuroectoderm of Drosophila melanogaster depend on the activity of the achaete-scute complex genes. [FBrf0126921]
        Apidianakis et al., 1999, Mech. Dev. 86(1,2): 39--50
        Overexpression of the m4 and malpha genes of the E(spl)-complex antagonizes notch mediated lateral inhibition. [FBrf0111325]
        Giebel, 1999, Mech. Dev. 86(1-2): 137--145
        The Notch signaling pathway is required to specify muscle progenitor cells in Drosophila. [FBrf0111372]
        Jennings et al., 1999, Molec. Cell. Biol. 19(7): 4600--4610
        Target specificities of Drosophila Enhancer of split basic helix-loop-helix proteins. [FBrf0108816]
        Hoch and Jackle, 1998, EMBO J. 17(19): 5766--5775
        Kruppel acts as a developmental switch gene that mediates Notch signalling-dependent tip cell differentiation in the excretory organs of Drosophila. [FBrf0104911]
        Rottgen et al., 1998, Molec. gen. Genet. 257(4): 442--451
        A genetic screen for elements of the network that regulates neurogenesis in Drosophila. [FBrf0101998]
        Giebel and Campos-Ortega, 1997, Proc. Natl. Acad. Sci. USA 94(12): 6250--6254
        Functional dissection of the Drosophila enhancer of split protein, a suppressor of neurogenesis. [FBrf0093462]
        Giebel et al., 1997, Mech. Dev. 63(1): 75--87
        Lethal of scute requires overexpression of daughterless to elicit ectopic neuronal development during embryogenesis in Drosophila. [FBrf0093461]
        Klein and Campos-Ortega, 1997, Development 124(16): 3123--3134
        klumpfuss, a Drosophila gene encoding a member of the EGR family of transcription factors, is involved in bristle and leg development. [FBrf0098281]
        Hinz et al., 1994, Cell 76(1): 77--87
        The basic-helix-loop-helix domain of Drosophila lethal of scute protein is sufficient for proneural function and activates neurogenic genes. [FBrf0068528]
        Review
        Brand and Dormand, 1995, Curr. Opin. Neurobiol. 5(5): 572--578
        The GAL4 system as a tool for unravelling the mysteries of the Drosophila nervous system. [FBrf0084801]
        Abstract
        Hinz et al., 1993, J. Neurogenet. 8: 233
        Demonstration of the proneural function of lethal of scute by ectopic expression. [FBrf0076781]