Dsim\copia

General Information
Symbol	Dsim\copia	Species	D.simulans
Name	copia element	FlyBase ID	FBte0001025
Feature type	natural transposable element
Recent Updates
Description	What does this section display? This section contains items that were added to this record for each release. It currently only tracks new links between this FlyBase report and other FlyBase data classes (e.g. genes, references, stocks) or controlled vocabulary terms (e.g. GO, anatomy terms). What does this section not display? This section does not currently display links that were removed or gene model changes.
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FB2013_03
FB2013_02
All updates	Click here to see a list of all updates to this record from FB2010_08 and on.
Sequences & Components
Complete element (bp)
Terminal repeat (bp)
Reference sequence	transposon_sequence_set.embl.txt.gz
Component genes	Dsim\copia\GIP
Sequence Accessions
	DDBJ/EMBL/GenBank AF063880 AF063881 AF063882 D10880 U60291
Sequence Ontology (SO)
Transposon type	LTR_retrotransposon transposable_element
Insertions & Copy Number
Copy number and comments
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	Dmel\copia
Comments
	Dsim\copia elements are enriched in the heterochromatin and on the Y chromosome. (Junakovic et al., 1998) A lower proportion of copia, mdg1 and 412 element insertion sites on the X chromosome, from various populations of D.melanogaster and D.simulans, in comparison with autosomes suggests that selection against the detrimental effects of TE insertions in the major force containing TE copies in populations. (Biemont et al., 1997) The behaviour of the retrotransposons copia, Dsim\copia and mdg1 has been analysed in hybrids between D.melanogaster and D.simulans. No somatic transposition events were detected in hybrid larvae. (Garcia-Guerreiro, 1996) Larval copia RNA levels are variable among Drosophila species, transcripts are detected in D.melanogaster, but not in D.simulans, D.mauritiana, D.sechellia, D.yakuba, D.erecta or D.willistoni. Size variation mapping to the LTR and ULR in naturally occurring copia elements is likely generated by duplication and is of functional significance. (Matyunina et al., 1996) Phylogenetic analysis indicates that although D.melanogaster copia elements are distinct from those of D.simulans and D.mauritiana, the copia elements of these latter two species are not distinguishable from one another. (Csink and Mcdonald, 1995) Numbers of mdg1, mdg3, gypsy and copia have been studied in several strains of D.melanogaster and D.simulans. Mean number of mdg1 and copia sites are drastically reduced in D.simulans. Majority of mdg1 and copia sites, and one third of mdg3 sites, are in hot spots for insertion, particularly in D.simulans. Southern blot analysis indicates that the majority of mdg1 and copia are in the euchromatin of D.melanogaster but the heterochromatin of D.simulans. (Leibovich et al., 1992) copia elements are found in D.simulans, D.mauritiana and D.melanogaster but copia-encoded transcripts are only found in D.melanogaster. copia transcript level variation is found among natural populations of D.melanogaster: this is not due to variable copia copy number but may be due to the action of trans-acting controls. (Csink and McDonald, 1990)
Other Information
Etymology

External Crossreferences
Sequence Crossreferences
	DDBJ/EMBL/GenBank AF063880 AF063881 AF063882 D10880 U60291
Other Crossreferences

Synonyms & Secondary IDs ( 3 )
Reported As
Symbol Synonym	copia (Díaz-González et al., 2010, de Setta et al., 2011) Dsim\copia
Name Synonym	copia element
Secondary FlyBase IDs
	FBgn0012867
References ( 22 )

Generate a list of	All references relating to this natural transposable element ( 22 )

List References by type	Research paper ( 18 ) Review ( 2 ) Abstract ( 2 )
Recent research papers ( 1 )
	de Setta et al., 2011, J. Mol. Evol. 72(3): 326--338 Copia retrotransposon in the Zaprionus genus: another case of transposable element sharing with the Drosophila melanogaster subgroup. [FBrf0214409] Show all research papers ...
Recent reviews (0)
	All reviews listed in FlyBase were published before 2011 Show reviews ...