stoned locus of Drosophila melanogaster produces a dicistronic transcript and encodes two distinct polypeptides

The stoned gene of Drosophila melanogaster is required for normal neuronal function in both adult and larva. We have identified DNA sequences that lie within a genetic region that is known to include the stoned gene and that also reveal restriction site variations in two stoned lethal mutants. This...

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Veröffentlicht in:Genetics (Austin) 1996-08, Vol.143 (4), p.1699-1711
Hauptverfasser: Andrews, J, Smith, M, Merakovsky, J, Coulson, M, Hannan, F, Kelly, L.E
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container_end_page 1711
container_issue 4
container_start_page 1699
container_title Genetics (Austin)
container_volume 143
creator Andrews, J
Smith, M
Merakovsky, J
Coulson, M
Hannan, F
Kelly, L.E
description The stoned gene of Drosophila melanogaster is required for normal neuronal function in both adult and larva. We have identified DNA sequences that lie within a genetic region that is known to include the stoned gene and that also reveal restriction site variations in two stoned lethal mutants. This genomic region contains a single transcription unit coding for an approximate 8.4kb transcript. The transcript is preferentially expressed in the head of adult flies. The isolation and sequencing of cDNA and genomic clones reveals that stoned appears to encode a dicistronic mRNA, although the possible existence of other forms of mRNA cannot be excluded. Antibody cross-reactivity shows that two proteins are translated from the stoned locus in vivo. Both open reading frames (ORFs) encode novel proteins. The protein encoded by the first ORF contains four tandemly repeated motifs, and one domain of the protein encoded by the second ORF shows similarity to a family of proteins (AP50s) associated with clathrin assembly protein complexes.
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ispartof Genetics (Austin), 1996-08, Vol.143 (4), p.1699-1711
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1943-2631
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source Oxford University Press Journals All Titles (1996-Current); MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects Amino Acid Sequence
amino acid sequences
animal proteins
Animals
Base Sequence
Cloning, Molecular
complementary DNA
Deoxyribonucleic acid
dicistronic messenger rna
DNA
DNA, Complementary - genetics
Drosophila melanogaster
Drosophila melanogaster - genetics
Drosophila melanogaster - physiology
Female
genbank/u54982
Genes, Insect
Genetic Complementation Test
Genetics
Immunochemistry
Insects
introns
Investigations
loci
Male
messenger RNA
Molecular Sequence Data
Nervous System Physiological Phenomena
nucleotide sequences
Open Reading Frames
polypeptides
Proteins - genetics
Proteins - immunology
Proteins - physiology
Restriction Mapping
RNA, Messenger - genetics
RNA, Messenger - metabolism
Sequence Homology, Amino Acid
structural genes
Transcription, Genetic
title stoned locus of Drosophila melanogaster produces a dicistronic transcript and encodes two distinct polypeptides
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