NDLI: Genomes were forged by massive bombardments with retroelements and retrosequences

Content Provider	Springer Nature Link
Author	Brosius, Jürgen
Copyright Year	1999
Abstract	Retroposition is an efficient route to move coding regions around the genome ‘in search’ of novel regulatory elements and to shotgun regulatory elements into the genome ‘in search’ of new target genes. The templates for such retrogenes are mRNAs, and for regulatory retronuons (nuon=any definable nucleic acid sequence) usually small non-mRNAs. An example in support of the ‘master gene’ model for SINEs (short interspersed repetive elements) is provided with neuronal BC1 RNA. Furthermore, an alternative explanation of LINE (long interspersed repetive elements) involvement in the generation of SINEs is given. I will also argue that the status of transposable elements with respect to the host resembles more symbiosis than parasitiasis and that host defense is often lenient as if even to ‘tolerate or support’ retronuons. Finally the paradox of evolution's lack of foresight and the future exaptive use of retronuons is being dealt with by referring to W.F. Doolittle's ‘Hierarchical Approaches to Genome Evolution’.
Starting Page	209
Ending Page	238
Page Count	30
File Format	PDF
ISSN	00166707
Journal	Genetica
Volume Number	107
Issue Number	1-3
e-ISSN	15736857
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1999-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Human Genetics Plant Genetics & Genomics Animal Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Medicine Animal Science and Zoology Insect Science

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