A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Dmel\HMS-Beagle

General Information
Symbol Dmel\HMS-Beagle Species D.melanogaster
Name HMS Beagle element FlyBase ID FBte0000726
Feature type natural transposable element
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Description
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FB2013_03
FB2013_02
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hide Sequences & Components
Complete element (bp)
7.3kb
 
Terminal repeat (bp)
266
 
Reference sequence transposon_sequence_set.embl.txt.gz
Component genes
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Transposon type
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Copy number
and comments
13 in euchromatin of Release 3 genome annotation, of which 9 are full length.
50
 
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Target Site Duplication
Size (bp)
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Curated drosophilid orthologs
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Identified with: RE43210 (BDGP-DGC) <up>FlyBase curator comment: EST subsequently found to be chimeric</up>.
EST RE43210 is chimeric; the 5' portion corresponds to part of roo, the 3' portion corresponds to part of HMS-Beagle.
The spatial and temporal expression patterns of fifteen families of retrotransposons are analysed during embryogenesis and are found to be conserved. Results suggest that all families carry cis-acting elements that control their spatial and temporal expression patterns.
One substock of inbred lines shows considerable heterogeneity of insertion sites of copia (frequency of insertions is 12% per haploid genome per generation) whereas mdg1, 412, mdg3, gypsy, 297 and HMS-Beagle were stable in all stocks examined.
The HMS-Beagle element has 266bp direct repeats at its termini and is flanked by a duplication of 4bp. It is present approximately 50 times in the haploid genome.
First described as an insertion within the promoter region of the cuticle protein gene, Lcp3n1. The sequence shown in Finnegan (1992) is the reverse complement of that published by Snyder, Kimbrell, Hunkapiller, Hill, Fristrom and Davidson (1982). There are no sites for the enzymes AvaI, BamHI, HindIII, or KpnI.
 
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Sequence Crossreferences
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hide Synonyms & Secondary IDs ( 18 )
Reported As
Symbol Synonym
BcDNA:RE43210
 
CG17399
 
H.M.S.Beagle
H.M.S Beagle
HMS-beagle
hms-beagle
HSM-Beagle
midline-element
 
midline-jumper
Motu 1
Name Synonym
HMS Beagle
hms-beagle
HMS-Beagle
HMS Beagle element
 
Secondary FlyBase IDs
  • FBgn0001207
  • FBgn0040019
  • FBgn0043473
  • FBgn0063019
  • FBtp0011437
hide References ( 67 )
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hide Recent research papers ( 7 )
Linheiro and Bergman, 2012, PLoS ONE 7(2): e30008
Whole Genome Resequencing Reveals Natural Target Site Preferences of Transposable Elements in Drosophila melanogaster. [FBrf0217478]
Sienski et al., 2012, Cell 151(5): 964--980
Transcriptional silencing of transposons by piwi and maelstrom and its impact on chromatin state and gene expression. [FBrf0220033]
Klenov et al., 2011, Proc. Natl. Acad. Sci. U.S.A. 108(46): 18760--18765
Separation of stem cell maintenance and transposon silencing functions of Piwi protein. [FBrf0216776]
Nefedova et al., 2011, Virus Genes 42(2): 297--306
Integration specificity of LTR-retrotransposons and retroviruses in the Drosophila melanogaster genome. [FBrf0213545]
Pane et al., 2011, EMBO J. 30(22): 4601--4615
The Cutoff protein regulates piRNA cluster expression and piRNA production in the Drosophila germline. [FBrf0217070]
Petrov et al., 2011, Mol. Biol. Evol. 28(5): 1633--1644
Population genomics of transposable elements in Drosophila melanogaster. [FBrf0214125]
Shpiz et al., 2011, Nucleic Acids Res. 39(20): 8703--8711
Mechanism of the piRNA-mediated silencing of Drosophila telomeric retrotransposons. [FBrf0216525]
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All reviews listed in FlyBase were published before 2011