Dmel\Helena

General Information
Symbol	Dmel\Helena	Species	D.melanogaster
Name	Helena element	FlyBase ID	FBte0000984
Feature type	natural transposable element	Created / Updated	2006-12-04/2006-12-04
Sequences & Components
Complete element (bp)	1317 (Kaminker et al., 2002)
Terminal repeat (bp)
Reference sequence	transposon_sequence_set.embl.txt.gz
Component genes	Helena\RTase
Sequence Accessions
	DDBJ/EMBL/GenBank U65653 AF012031 AF012030
Sequence Ontology (SO)
Transposon type	non_LTR_retrotransposon (Kaminker et al., 2002, Petrov, 1996.7.26, ) transposable_element (Kaminker et al., 2002, Petrov, 1996.7.26, )
Insertions & Copy Number
Copy number and comments	7 in euchromatin of Release 3 genome annotation, of which zero are full length. (Kaminker et al., 2002)
Search for	All insertions of this transposon Insertions in the sequenced genome Insertions in other genomes
Target Site Duplication
Size (bp)
Orthologs
Curated drosophilid orthologs	Dvir\Helena (Petrov, 1996.7.26, )
Comments
	The pattern of indel formation for Helena in the D.melanogaster and D.virilis groups is very similar, suggesting a high rate of DNA loss is common in Drosophila. (Petrov and Hartl, 1998)
Other Information
Etymology

External Crossreferences
Sequence Crossreferences
	DDBJ/EMBL/GenBank U65653 AF012031 AF012030
Other Crossreferences

Synonyms & Secondary IDs ( 5 )
Reported As
Symbol Synonym	38B.21 (McGill Drosophila Genome Project, 2001.9.25, Butler, 2001, Butler et al., 2001) CG10114 (Luschnig, 2003.12.17, ) Helena (Brennecke et al., 2007) HelenaDm (Berezikov et al., 2000)
Name Synonym	Helena element
Secondary FlyBase IDs
	FBgn0037505 FBgn0020425 FBtp0011433
References ( 27 )

Generate a list of	All references relating to this natural transposable element ( 27 )

List References by type	Research paper ( 14 ) Supplementary material ( 1 ) Review ( 1 ) Personal communication to FlyBase ( 3 ) Abstract ( 2 ) FlyBase analysis ( 1 ) DNA/RNA sequence record ( 1 ) Computer file ( 2 ) Letter ( 1 ) Automatic genome annotation ( 1 )
Recent research papers ( 1 )
	Brennecke et al., 2007, Cell 128(6): 1089--1103 Discrete small RNA-generating loci as master regulators of transposon activity in Drosophila. [FBrf0200494] Show all research papers ...
Recent reviews (0)
	All reviews listed in FlyBase were published before 2006 Show reviews ...