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Methylation, Transcription, and Rearrangements of Transposable Elements in Synthetic Allopolyploids
Joint Authors
Source
International Journal of Plant Genomics
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-05-15
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Transposable elements (TEs) constitute over 90% of the wheat genome.
It was suggested that “genomic stress” such as hybridity or polyploidy might activate transposons.
Intensive investigations of various polyploid systems revealed that allopolyploidization event is associated with widespread changes in genome structure, methylation, and expression involving low- and high-copy, coding and noncoding sequences.
Massive demethylation and transcriptional activation of TEs were also observed in newly formed allopolyploids.
Massive proliferation, however, was reported for very limited number of TE families in various polyploidy systems.
The aim of this review is to summarize the accumulated data on genetic and epigenetic dynamics of TEs, particularly in synthetic allotetraploid and allohexaploid wheat species.
In addition, the underlying mechanisms and the potential biological significance of TE dynamics following allopolyploidization are discussed.
American Psychological Association (APA)
Yaakov, Beery& Kashkush, Khalil. 2011. Methylation, Transcription, and Rearrangements of Transposable Elements in Synthetic Allopolyploids. International Journal of Plant Genomics،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-481532
Modern Language Association (MLA)
Yaakov, Beery& Kashkush, Khalil. Methylation, Transcription, and Rearrangements of Transposable Elements in Synthetic Allopolyploids. International Journal of Plant Genomics No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-481532
American Medical Association (AMA)
Yaakov, Beery& Kashkush, Khalil. Methylation, Transcription, and Rearrangements of Transposable Elements in Synthetic Allopolyploids. International Journal of Plant Genomics. 2011. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-481532
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-481532