The lack of negative association between TE load and subgenome dominance in synthesized Brassica allotetraploids

K Zhang, L Zhang, Y Cui, Y Yang… - Proceedings of the …, 2023 - National Acad Sciences
Polyploidization is important to the evolution of plants. Subgenome dominance is a distinct
phenomenon associated with most allopolyploids. A gene on the dominant subgenome …

Epigenetic regulation of subgenome dominance following whole genome triplication in Brassica rapa

F Cheng, C Sun, J Wu, J Schnable… - New …, 2016 - Wiley Online Library
Subgenome dominance is an important phenomenon observed in allopolyploids after whole
genome duplication, in which one subgenome retains more genes as well as contributes …

One subgenome to rule them all: underlying mechanisms of subgenome dominance

EI Alger, PP Edger - Current opinion in plant biology, 2020 - Elsevier
Highlights• A single subgenome in allopolyploids may contribute to the majority of the
phenotype.• Methylation of transposons near genes is associated with subgenome …

Homoeolog expression bias and expression level dominance in resynthesized allopolyploid Brassica napus

J Wu, L Lin, M Xu, P Chen, D Liu, Q Sun, L Ran… - BMC genomics, 2018 - Springer
Background Allopolyploids require rapid genetic and epigenetic modifications to reconcile
two or more sets of divergent genomes. To better understand the fate of duplicate genes …

Replaying the evolutionary tape to investigate subgenome dominance in allopolyploid Brassica napus

KA Bird, CE Niederhuth, S Ou, M Gehan… - New …, 2021 - Wiley Online Library
Allopolyploidisation merges evolutionarily distinct parental genomes (subgenomes) into a
single nucleus. A frequent observation is that one subgenome is 'dominant'over the other …

Gene expression dominance in allopolyploids: hypotheses and models

S Bottani, NR Zabet, JF Wendel, RA Veitia - Trends in Plant Science, 2018 - cell.com
The classical example of nonadditive contributions of the two parents to allopolyploids is
nucleolar dominance, which entails silencing of one parental set of ribosomal RNA genes …

Allopolyploidy has a moderate impact on restructuring at three contrasting transposable element insertion sites in resynthesized Brassica napus allotetraploids

V Sarilar, PM Palacios, A Rousselet, C Ridel… - New …, 2013 - Wiley Online Library
The role played by whole‐genome duplication (WGD) in evolution and adaptation is
particularly well illustrated in allopolyploids, where WGD is concomitant with interspecific …

Genome-specific differential gene expressions in resynthesized Brassica allotetraploids from pair-wise crosses of three cultivated diploids revealed by RNA-seq

D Zhang, Q Pan, C Cui, C Tan, X Ge… - Frontiers in Plant …, 2015 - frontiersin.org
Polyploidy is popular for the speciation of angiosperms but the initial stage of
allopolyploidization resulting from interspecific hybridization and genome duplication is …

Transcriptome and methylome profiling reveals relics of genome dominance in the mesopolyploid Brassica oleracea

IAP Parkin, C Koh, H Tang, SJ Robinson, S Kagale… - Genome biology, 2014 - Springer
Background Brassica oleracea is a valuable vegetable species that has contributed to
human health and nutrition for hundreds of years and comprises multiple distinct cultivar …

Patterns of Sequence Loss and Cytosine Methylation within a Population of Newly Resynthesized Brassica napus Allopolyploids

LN Lukens, JC Pires, E Leon, R Vogelzang… - Plant …, 2006 - academic.oup.com
Allopolyploid formation requires the adaptation of two nuclear genomes within a single
cytoplasm, which may involve programmed genetic and epigenetic changes during the …