Repbase Reports |
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| 2007, Volume 7, Issue 11 |
| November 30, 2007 |
| Copyright © 2001-2024 - Genetic Information Research Institute, California |
| ISSN# 1534-830X |
| Page 1179 |
Helitron-1N1_DR |
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A family of non-autonomous Helitrons - a consensus sequence. |
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Submitted: 30-Nov-2007 |
Accepted: 30-NOV-2007 |
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Key Words: Helitron; DNA transposon; Transposable Element; Nonautonomous; Helitron-1_DR; Helitron-1N1_DR |
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Source: Danio rerio |
Organism: Danio rerio |
Taxonomy: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae; Danio |
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Authors: Kapitonov,V.V. and Jurka,J. |
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Title: RPA70-encoding Helitrons in zebrafish. |
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Journal: Repbase Reports 7(11), 1179-1179 (2007) |
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Abstract: Helitron-1N1_DR is a nonautonomous deletion derivate of Helitron-1_DR; that was transposed by the Helitron-1_DR-encoded proteins. The genome contains several hundred copies of Helitrons. Many of them form clusters composed of 2-20 tandemly repeated elements (du to the rolling-circle replication). These elements, like most of Helitrons, are inserted into 5'-A|T-3' target sites without their duplications. They are frequently inserted into (TAA)n microsatellites. The 3' terminal region (pos. 975-987) is complementary to the 5' terminal region (pos. 23-35). Probably, this complementarity induces formation of a circular DNA structure important during the rolling-circle replication. The standard 3' short palindrome is at pos. 955-972. There is also a short 12-bp palindrome at pos. 6-17. Numerous copies of Helitrons-1N1_ZF are <3% divergent from the consensus. Therefore, transposition of this family has occurred quite recently.
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Derived: [2] (Consensus) |
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Download Sequence - Format: IG, EMBL, FASTA |
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References:
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