Dtei\mariner
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| Symbol | Dtei\mariner | Species | D.teissieri |
| Name | mariner | FlyBase ID | FBte0000257 |
| Feature type | natural transposable element | ||
Recent Updates
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| Description |
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It currently only tracks new links between this FlyBase report and other
FlyBase data classes (e.g. genes, references, stocks) or controlled
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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
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| Complete element (bp) | |||
| Terminal repeat (bp) | |||
| Reference sequence | transposon_sequence_set.embl.txt.gz | ||
| Component genes | |||
Sequence Accessions
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Sequence Ontology (SO)
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| Transposon type | |||
Insertions & Copy Number
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| Copy number and comments |
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| Target Site Duplication | |||
| Size (bp) | |||
Orthologs
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| Curated drosophilid orthologs | |||
Comments
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The phylogeny of complete and deleted Dtei\mariner elements is consistent with the phylogeny of species. This suggests an ancestral origin of the elements related to the Dmau\mariner subfamily of elements, in the melanogaster subgroup of species.
The distribution and abundance of mariner-like elements in the melanogaster species subgroups suggests that the predominant
mode of evolution of mariner-like elements is stochastic loss and vertical inactivation, balanced against occasional reinvasion
of lineages by horizontal transmission.
Distribution of the mariner element among Drosophilidae species is investigated using three different techniques (squash blots,
Southern blots and PCR amplification). Results demonstrate the distribution of mariner is not uniform and does not follow
the phylogeny of the host species. Analysis of geographical distributions of the element shows it is mainly present in Asia
and Africa.
Population biology and molecular evolution of the mariner element in the eight species of the melanogaster subgroup of the
Drosophila subgenus Sophophora has been studied. The element occurs in D.simulans, D.mauritiana, D.sechellia, D.teissieri and D.yakuba, but not D.melanogaster, D.erecta or D.orena. Sequence comparisons suggest that the element was present in the ancestor of the species subgroup and was lost in some
of the lineages. Most species that contain active elements also contain inactive elements.
The distribution of the mariner transposable element in the genus Drosophila has been examined. Sequences hybridising to Dmau\mariner are present in D.mauritiana, D.simulans, D.sechellia, D.yakuba and D.teissieri, but not D.melanogaster, D.erecta and D.orena.
The majority of Dtei\mariner elements have a deletion of most of the 3' half of the element.
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Other Information
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Etymology
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External Crossreferences
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| Sequence Crossreferences | |||
| Other Crossreferences | |||
Synonyms & Secondary IDs
( 12 )
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| Reported As | |||
| Symbol Synonym |
DTBZ1
Dtei\mariner
mariner-DtBz1
mariner-DtBz2
mariner-DtBz3
mariner-DtBz4
mariner-DtNb1
mariner-DtTa1
mariner-DtZw1
mariner-DtZw2
mariner-DtZw3
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| Name Synonym |
mariner
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| Secondary FlyBase IDs | |||
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References
( 22 )
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Recent research papers (0)
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| All research papers listed in FlyBase were published before 2011 | |||
Recent reviews (0)
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| All reviews listed in FlyBase were published before 2011 | |||
Recent Updates
