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Transposable elements domesticated and neofunctionalized by eukaryotic genomes
Faculty
Agriculture
Year:
2013
Type of Publication:
Article
Pages:
1-15
Authors:
Bahieldin, Ahmed, Alzohairy, Ahmed M, Gyulai, Gabor, Jansen, Robert K
DOI:
10.1016/j.plasmid.2012.08.001
Journal:
PLASMID ACADEMIC PRESS INC ELSEVIER SCIENCE
Volume:
69
Research Area:
Genetics \& Heredity
ISSN
ISI:000314139000001
Keywords :
Transposable elements, Retrotransposons, DNA transposons, Gene domestication, Speciation
Abstract:
Whole genome sequencing has provided a massive amount of information about the origin, diversity and genomic impact of repetitive DNA sequences (repDNA). Among the many classes of repDNA, prokaryotic transposable elements (TEs) replicate, move, amplify and accumulate in invaded genomes and thus represent the major force in restructuring host genes and genomes during evolution. Similar to retroviruses, autonomous TEs became part of the host genomes, and after their molecular domestication, they became functional genes (genomic fossils) in eukaryotic genomes. In this review, examples of the domestication events are discussed, some of which are known to be induced by biotic and abiotic stressors. (c) 2012 Elsevier Inc. All rights reserved.
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