Homoeologous exchanges occur through intragenic recombination generating novel transcripts and proteins in wheat and other polyploids
Z Zhang, X Gou, H Xun, Y Bian, X Ma… - Proceedings of the …, 2020 - National Acad Sciences
Recombination between homeologous chromosomes, also known as homeologous
exchange (HE), plays a significant role in shaping genome structure and gene expression in …
exchange (HE), plays a significant role in shaping genome structure and gene expression in …
Distal bias of meiotic crossovers in hexaploid bread wheat reflects spatio-temporal asymmetry of the meiotic program
K Osman, U Algopishi, JD Higgins… - Frontiers in Plant …, 2021 - frontiersin.org
Meiotic recombination generates genetic variation and provides physical links between
homologous chromosomes (crossovers) essential for accurate segregation. In cereals the …
homologous chromosomes (crossovers) essential for accurate segregation. In cereals the …
High-resolution mapping of crossover events in the hexaploid wheat genome suggests a universal recombination mechanism
B Darrier, H Rimbert, F Balfourier, L Pingault… - Genetics, 2017 - academic.oup.com
During meiosis, crossovers (COs) create new allele associations by reciprocal exchange of
DNA. In bread wheat (Triticum aestivum L.), COs are mostly limited to subtelomeric regions …
DNA. In bread wheat (Triticum aestivum L.), COs are mostly limited to subtelomeric regions …
Transcriptome asymmetry in synthetic and natural allotetraploid wheats, revealed by RNA‐sequencing
Allopolyploidization has occurred frequently within the Triticum–Aegilops complex which
provides a suitable system to investigate how allopolyploidization shapes the expression …
provides a suitable system to investigate how allopolyploidization shapes the expression …
Analysis of the recombination landscape of hexaploid bread wheat reveals genes controlling recombination and gene conversion frequency
Background Sequence exchange between homologous chromosomes through crossing
over and gene conversion is highly conserved among eukaryotes, contributing to genome …
over and gene conversion is highly conserved among eukaryotes, contributing to genome …
Meiotic homoeologous recombination‐based alien gene introgression in the genomics era of wheat
Wheat (Triticum spp.) has a narrow genetic basis due to its allopolyploid origin. However,
wheat has numerous wild relatives usable for expanding genetic variability of its genome …
wheat has numerous wild relatives usable for expanding genetic variability of its genome …
Genome shock in a synthetic allotetraploid wheat invokes subgenome-partitioned gene regulation, meiotic instability, and karyotype variation
Y Sha, Y Li, D Zhang, R Lv, H Wang… - Journal of …, 2023 - academic.oup.com
It is becoming increasingly evident that interspecific hybridization at the homoploid level or
coupled with whole-genome duplication (ie allopolyploidization) has played a major role in …
coupled with whole-genome duplication (ie allopolyploidization) has played a major role in …
MutS homologue 4 and MutS homologue 5 Maintain the Obligate Crossover in Wheat Despite Stepwise Gene Loss following Polyploidization
SD Desjardins, DE Ogle, MA Ayoub… - Plant …, 2020 - academic.oup.com
Crossovers (COs) ensure accurate chromosome segregation during meiosis while creating
novel allelic combinations. Here, we show that allotetraploid (AABB) durum wheat (Triticum …
novel allelic combinations. Here, we show that allotetraploid (AABB) durum wheat (Triticum …
Homology-mediated inter-chromosomal interactions in hexaploid wheat lead to specific subgenome territories following polyploidization and introgression
Background Polyploidization and introgression are major events driving plant genome
evolution and influencing crop breeding. However, the mechanisms underlying the higher …
evolution and influencing crop breeding. However, the mechanisms underlying the higher …
Homoeologous recombination in the presence of Ph1 gene in wheat
A crossover (CO) and its cytological signature, the chiasma, are major features of eukaryotic
meiosis. The formation of at least one CO/chiasma between homologous chromosome pairs …
meiosis. The formation of at least one CO/chiasma between homologous chromosome pairs …