Patterns, mechanisms, and consequences of homoeologous exchange in allopolyploid angiosperms: a genomic and epigenomic perspective

SK Deb, PP Edger, JC Pires, MR McKain - New Phytologist, 2023 - Wiley Online Library
Allopolyploids result from hybridization between different evolutionary lineages coupled with
genome doubling. Homoeologous chromosomes (chromosomes with common shared …

Partial cytological diploidization of neoautotetraploid meiosis by induced cross-over rate reduction

A Gonzalo, P Parra-Nunez… - Proceedings of the …, 2023 - National Acad Sciences
Polyploids, which arise from whole-genome duplication events, have contributed to genome
evolution throughout eukaryotes. Among plants, novel features of neopolyploids include …

Resynthesized Rapeseed (Brassica napus): Breeding and Genomics

E Ihien Katche, A S. Mason - Critical Reviews in Plant Sciences, 2023 - Taylor & Francis
Abstract Resynthesized rapeseed lines (2 n= 4 x= 38, AACC), which recreate the historical
hybridization between progenitor species Brassica rapa (2 n= 2 x= 20, AA) and B. oleracea …

Meiotic pairing irregularity and homoeologous chromosome compensation cause rapid karyotype variation in synthetic allotetraploid wheat

J Zhao, J Li, R Lv, B Wang, Z Zhang, T Yu… - New …, 2023 - Wiley Online Library
Allopolyploidization may initiate rapid evolution due to heritable karyotypic changes. The
types and extents of these changes, the underlying causes, and their effects on phenotype …

[HTML][HTML] Chromosomal instability and phenotypic variation in a specific lineage derived from a synthetic allotetraploid wheat

R Lv, C Wang, R Wang, X Wang, J Zhao… - Frontiers in Plant …, 2022 - frontiersin.org
Newly formed plant allopolyploids usually have meiosis defect, resulting in chromosomal
instability manifested as variation in chromosome number and/or structure. However, not all …

[HTML][HTML] The occurrence, inheritance, and segregation of complex genomic structural variation in synthetic Brassica napus

D Hu, J Lu, W Li, Y Yang, J Xu, H Qin, H Wang, Y Niu… - The Crop Journal, 2024 - Elsevier
Abstract “Synthetic” allopolyploids recreated by interspecific hybridization play an important
role in providing novel genomic variation for crop improvement. Such synthetic …

Chromosome translocation affects multiple phenotypes, causes genome‐wide dysregulation of gene expression, and remodels metabolome in hexaploid wheat

R Lv, X Gou, N Li, Z Zhang, C Wang, R Wang… - The Plant …, 2023 - Wiley Online Library
Chromosomal rearrangements (CRs) may occur in newly formed polyploids due to
compromised meiotic fidelity. Moreover, CRs can be more readily tolerated in polyploids …

[PDF][PDF] Polyploidy and its importance in modern plant breeding improvement.

W Yali - 2022 - academia.edu
Polyploidy is defined as having more than two sets of chromosomes, and it has long been
recognized as a major driver of plant evolution and speciation. A creature with more than …

[HTML][HTML] The Abundant and Unique Transcripts and Alternative Splicing of the Artificially Autododecaploid London Plane (Platanus × acerifolia)

X Yan, X Chen, Y Li, Y Li, F Wang, J Zhang… - International Journal of …, 2023 - mdpi.com
Transcription and alternative splicing (AS) are now appreciated in plants, but few studies
have examined the effects of changing ploidy on transcription and AS. In this study, we …

[HTML][HTML] Patterns of Chromosomal Variation, Homoeologous Exchange, and Their Relationship with Genomic Features in Early Generations of a Synthetic Rice …

G Li, Y Wu, Y Bai, N Zhao, Y Jiang, N Li, X Lin… - International Journal of …, 2023 - mdpi.com
Polyploidization is a driving force in plant evolution. Chromosomal variation often occurs at
early generations following polyploid formation due to meiotic pairing irregularity that may …