A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Dmel\TART-element

General Information
Symbol Dmel\TART-element Species D.melanogaster
Name Telomere-associated retrotransposon FlyBase ID FBte0000335
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)
Terminal repeat (bp)
Reference sequence transposon_sequence_set.embl.txt.gz
Component genes
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Transposon type
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Copy number
and comments
1 in euchromatin of Release 3 genome annotation.
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Target Site Duplication
Size (bp)
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Curated drosophilid orthologs
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HeT-A and TART-element, previously considered to be closely related, have very different transcriptional characteristics. Additionally, features of TART-element sequence organisation resemble those of a subclass of non-LTR elements characterized by unequal terminal repeats. The distinctive transcription patterns of HeT-A and TART-element are conserved in D.yakuba.
Comparison of integrase/transposase domains to new elements containing the DDE signature.
HeT-A element and TART-element may be evolutionarily related to telomerase, in both cases an enzyme extends the end of a chromosome by adding DNA copied from an RNA template.
TART-element encodes two proteins that have significant sequence homology to LINE-like retrotransposons. TART-elements preferentially transpose to broken chromosome ends as part of the essential process of maintaining telomeres.
A transposon family of non-long terminal repeat retrotransposons found at the telomere. Evidence suggests that they can transpose to natural chromosome ends.
construct_comment: Associated with telomeres.
TART-element may play a role in maintaining telomeres.
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Sequence Crossreferences
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hide Synonyms & Secondary IDs ( 13 )
Reported As
Symbol Synonym
anon-CH(2)6
 
TART-B2 transposon putative reverse
TART-repeat
Telomere Associated Sequence
Name Synonym
Telomere-associated retrotransposon
 
Secondary FlyBase IDs
  • FBgn0004904
  • FBgn0013398
  • FBtp0011466
hide References ( 139 )
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hide Recent research papers ( 7 )
Anand and Kai, 2012, EMBO J. 31(4): 870--882
The tudor domain protein Kumo is required to assemble the nuage and to generate germline piRNAs in Drosophila. [FBrf0217541]
Olivieri et al., 2012, Mol. Cell 47(6): 954--969
The Cochaperone Shutdown Defines a Group of Biogenesis Factors Essential for All piRNA Populations in Drosophila. [FBrf0219572]
Pek et al., 2012, Development 139(24): 4505--4513
Polo-mediated phosphorylation of Maelstrom regulates oocyte determination during oogenesis in Drosophila. [FBrf0220058]
Preall et al., 2012, RNA 18(8): 1446--1457
shutdown is a component of the Drosophila piRNA biogenesis machinery. [FBrf0218942]
Debaryshe and Pardue, 2011, Genetics 187(1): 51--60
Differential maintenance of DNA sequences in telomeric and centromeric heterochromatin. [FBrf0212756]
Shpiz et al., 2011, Nucleic Acids Res. 39(20): 8703--8711
Mechanism of the piRNA-mediated silencing of Drosophila telomeric retrotransposons. [FBrf0216525]
Zhang et al., 2011, Mol. Cell 44(4): 572--584
Heterotypic piRNA Ping-Pong Requires Qin, a Protein with Both E3 Ligase and Tudor Domains. [FBrf0216809]
hide Recent reviews (0)
All reviews listed in FlyBase were published before 2011