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 …

All ways lead to Rome—meiotic stabilization can take many routes in nascent polyploid plants

A Gonzalo - Genes, 2022 - mdpi.com
Newly formed polyploids often show extensive meiotic defects, resulting in aneuploid
gametes, and thus reduced fertility. However, while many neopolyploids are meiotically …

Inherited allelic variants and novel karyotype changes influence fertility and genome stability in Brassica allohexaploids

R Gaebelein, SV Schiessl, B Samans, J Batley… - New …, 2019 - Wiley Online Library
Synthetic allohexaploid Brassica hybrids (2n= AABBCC) do not exist naturally, but can be
synthesized by crosses between diploid and/or allotetraploid Brassica species. Using these …

Genomics Armed With Diversity Leads the Way in Brassica Improvement in a Changing Global Environment

NS Mohd Saad, AA Severn-Ellis, A Pradhan… - Frontiers in …, 2021 - frontiersin.org
Meeting the needs of a growing world population in the face of imminent climate change is a
challenge; breeding of vegetable and oilseed Brassica crops is part of the race in meeting …

Development of a yellow-seeded stable allohexaploid brassica through inter-generic somatic hybridization with a high degree of fertility and resistance to Sclerotinia …

P Kumari, KP Singh, S Kumar, DK Yadava - Frontiers in Plant Science, 2020 - frontiersin.org
The Brassica coenospeceis have treasure troves of genes that could be beneficial if
introgressed into cultivated Brassicas to combat the current conditions of climate change …

Development and Characteristics of Interspecific Hybrids between Brassica oleracea L. and B. napus L.

P Kamiński, A Marasek-Ciolakowska, M Podwyszyńska… - Agronomy, 2020 - mdpi.com
Interspecific hybridization between B. oleracea inbred lines of head cabbage, Brussels
sprouts, kale and B. taurica and inbred lines of rapeseed (B. napus L.) were performed …

Hybrids between Brassica napus and B. nigra show frequent pairing between the B and A/C genomes and resistance to blackleg

R Gaebelein, D Alnajar, B Koopmann… - Chromosome Research, 2019 - Springer
High frequencies of homoeologous and even non-homologous chromosome recombination
in Brassica hybrids can transfer useful traits between genomes, but also destabilise …

Challenges and prospects for a potential allohexaploid Brassica crop

K Zhang, AS Mason, MA Farooq, F Islam… - Theoretical and Applied …, 2021 - Springer
The production of a new allohexaploid Brassica crop (2 n= AABBCC) is increasingly
attracting international interest: a new allohexaploid crop could benefit from several major …

Allele segregation analysis of F1 hybrids between independent Brassica allohexaploid lineages

D Quezada-Martinez, J Zou, W Zhang, J Meng, J Batley… - Chromosoma, 2022 - Springer
In the Brassica genus, we find both diploid species (one genome) and allotetraploid species
(two different genomes) but no naturally occurring hexaploid species (three different …

Allohexaploids in the Genus Brassica

R Gaebelein, AS Mason - Critical Reviews in Plant Sciences, 2018 - Taylor & Francis
Allohexaploid Brassica hybrids (2 n= AABBCC) have been the subject of plant breeding and
research for many years, both to increase our understanding of polyploid plant evolution and …