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Diversity 2018, 10(2), 18; https://doi.org/10.3390/d10020018

The Functional Impact of Transposable Elements on the Diversity of Plant Genomes

Institute of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. 29 Listopada 54, 31-425 Krakow, Poland
Received: 28 February 2018 / Revised: 19 March 2018 / Accepted: 21 March 2018 / Published: 22 March 2018
(This article belongs to the Special Issue Feature Papers for Celebrating the tenth Founding Year of Diversity)
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Abstract

Transposable elements (TEs) are self-mobilized DNA sequences that constitute a large portion of plant genomes. Being selfish DNA, they utilize different mobilization mechanisms to persist and proliferate in host genomes. It is important that new TE insertions generate de novo variability, most of which is likely to be deleterious, but some can be advantageous. Also, a growing body of evidence shows that TEs were continually recruited by their hosts to provide additional functionality. Here, we review potential ways in which transposable elements can provide novel functions to host genomes, from simple gene knock-outs to complex rewiring of gene expression networks. We discuss possible implications of TE presence and activity in crop genomes for agricultural production. View Full-Text
Keywords: adaptability; chromosomal rearrangements; epigenetic control; exaptation; knock-out mutations; mobile DNA; stress resistance; transposition adaptability; chromosomal rearrangements; epigenetic control; exaptation; knock-out mutations; mobile DNA; stress resistance; transposition
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Grzebelus, D. The Functional Impact of Transposable Elements on the Diversity of Plant Genomes. Diversity 2018, 10, 18.

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