Genomic mosaicism due to homoeologous exchange generates extensive phenotypic diversity in nascent allopolyploids

Y Wu, F Lin, Y Zhou, J Wang, S Sun… - National Science …, 2021 - academic.oup.com
Allopolyploidy is an important process in plant speciation, yet newly formed allopolyploid
species typically suffer from extreme genetic bottlenecks. One escape from this impasse …

Genome-wide disruption of gene expression in allopolyploids but not hybrids of rice subspecies

C Xu, Y Bai, X Lin, N Zhao, L Hu, Z Gong… - Molecular biology …, 2014 - academic.oup.com
Hybridization and polyploidization are prominent processes in plant evolution. Hybrids and
allopolyploids typically exhibit radically altered gene expression patterns relative to their …

Segmental allotetraploidy generates extensive homoeologous expression rewiring and phenotypic diversity at the population level in rice

Y Sun, Y Wu, C Yang, S Sun, X Lin, L Liu… - Molecular …, 2017 - Wiley Online Library
Allopolyploidization, that is, concomitant merging and doubling of two or more divergent
genomes in a common nucleus/cytoplasm, is known to instantly alter genomewide …

DNA methylation repatterning accompanying hybridization, whole genome doubling and homoeolog exchange in nascent segmental rice allotetraploids

N Li, C Xu, A Zhang, R Lv, X Meng, X Lin… - New …, 2019 - Wiley Online Library
Allopolyploidization, which entails interspecific hybridization and whole genome duplication
(WGD), is associated with emergent genetic and epigenetic instabilities that are thought to …

[HTML][HTML] Aneuploidization under segmental allotetraploidy in rice and its phenotypic manifestation

Y Wu, Y Sun, S Sun, G Li, J Wang, B Wang… - Theoretical and Applied …, 2018 - Springer
Key message We report a repertoire of diverse aneuploids harbored by a newly synthesized
segmental allotetraploid rice population with fully sequenced sub-genomes and …

[HTML][HTML] Homoeologous exchanges, segmental allopolyploidy, and polyploid genome evolution

AS Mason, JF Wendel - Frontiers in Genetics, 2020 - frontiersin.org
Polyploidy is a major force in plant evolution and speciation. In newly formed allopolyploids,
pairing between related chromosomes from different subgenomes (homoeologous …

Non-Mendelian phenomena in allopolyploid genome evolution

B Liu, JF Wendel - Current Genomics, 2002 - ingentaconnect.com
Perhaps all flowering plants have experienced one or more episodes of polyploidization at
some time in their evolutionary history. Recent evidence indicates that this genome doubling …

Genetic and epigenetic alterations after hybridization and genome doubling

O Paun, MF Fay, DE Soltis, MW Chase - Taxon, 2007 - Wiley Online Library
Hybridization and polyploidization are now recognized as major phenomena in the
evolution of plants, promoting genetic diversity, adaptive radiation and speciation. Modern …

[HTML][HTML] Genomic expression dominance in allopolyploids

RA Rapp, JA Udall, JF Wendel - BMC biology, 2009 - Springer
Background Allopolyploid speciation requires rapid evolutionary reconciliation of two
diverged genomes and gene regulatory networks. Here we describe global patterns of gene …

[HTML][HTML] Comparative DNA-methylome and transcriptome analysis reveals heterosis-and polyploidy-associated epigenetic changes in rice

X Rao, J Ren, W Wang, R Chen, Q Xie, Y Xu, D Li… - The Crop Journal, 2023 - Elsevier
Heterosis and polyploidy have an overwhelming influence on plant evolution. Recently,
polyploid rice hybrids have been used to breed new rice varieties because they combine the …