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Open AccessReview

Molecular Tools for Exploring Polyploid Genomes in Plants

1
Department of Soil, Plant, Environmental and Animal Production Sciences, University of Naples Federico II, Via Università 100, Portici 80055, Italy
2
Department of Applied Biology, University of Perugia, Borgo XX Giugno 74, Perugia 06121, Italy
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2012, 13(8), 10316-10335; https://doi.org/10.3390/ijms130810316
Received: 27 June 2012 / Revised: 3 August 2012 / Accepted: 6 August 2012 / Published: 17 August 2012
(This article belongs to the Special Issue Advances in Molecular Plant Biology)
Polyploidy is a very common phenomenon in the plant kingdom, where even diploid species are often described as paleopolyploids. The polyploid condition may bring about several advantages compared to the diploid state. Polyploids often show phenotypes that are not present in their diploid progenitors or exceed the range of the contributing species. Some of these traits may play a role in heterosis or could favor adaptation to new ecological niches. Advances in genomics and sequencing technology may create unprecedented opportunities for discovering and monitoring the molecular effects of polyploidization. Through this review, we provide an overview of technologies and strategies that may allow an in-depth analysis of polyploid genomes. After introducing some basic aspects on the origin and genetics of polyploids, we highlight the main tools available for genome and gene expression analysis and summarize major findings. In the last part of this review, the implications of next generation sequencing are briefly discussed. The accumulation of knowledge on polyploid formation, maintenance, and divergence at whole-genome and subgenome levels will not only help plant biologists to understand how plants have evolved and diversified, but also assist plant breeders in designing new strategies for crop improvement. View Full-Text
Keywords: genome doubling; molecular markers; microarrays; gene expression; next generation sequencing; transcriptomics genome doubling; molecular markers; microarrays; gene expression; next generation sequencing; transcriptomics
MDPI and ACS Style

Aversano, R.; Ercolano, M.R.; Caruso, I.; Fasano, C.; Rosellini, D.; Carputo, D. Molecular Tools for Exploring Polyploid Genomes in Plants. Int. J. Mol. Sci. 2012, 13, 10316-10335.

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