ArticleChromosoma2010
Mechanism of haploidy-dependent unreductional meiotic cell division in polyploid wheat.
Article in Chromosoma, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 35 citations in OpenAlex.
- Enrichment and Diversification of the Wheat Genome via Alien Introgression.Plants (Basel, Switzerland) · 2024Review
- Behavior of Centromeres during Restitution of the First Meiotic Division in a Wheat-Rye Hybrid.Plants (Basel, Switzerland) · 2022Article
- Genomic and Meiotic Changes Accompanying Polyploidization.Plants (Basel, Switzerland) · 2022Review
- Asynapsis and unreduced gamete formation in a Trifolium interspecific hybrid.BMC plant biology · 2022Article
- Partitioning and physical mapping of wheat chromosome 3B and its homoeologue 3E in Thinopyrum elongatum by inducing homoeologous recombination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- An Update of Recent Use ofFrontiers in plant science · 2019Article
- Cloning and characterization of the homoeologous genes for the Rec8-like meiotic cohesin in polyploid wheat.BMC plant biology · 2018Article
- Chromosomal structural changes and microsatellite variations in newly synthesized hexaploid wheat mediated by unreduced gametes.Journal of genetics · 2016Article
- Sister chromatid separation and monopolar spindle organization in the first meiosis as two mechanisms of unreduced gametes formation in wheat-rye hybrids.Plant reproduction · 2016Article
- Unreduced gamete formation in wheat × Aegilops spp. hybrids is genotype specific and prevented by shared homologous subgenomes.Plant cell reports · 2016Article
- Meiosis, unreduced gametes, and parthenogenesis: implications for engineering clonal seed formation in crops.Plant reproduction · 2015Review
- QTug.sau-3B is a major quantitative trait locus for wheat hexaploidization.G3 (Bethesda, Md.) · 2014Article
- Amphitelic orientation of centromeres at metaphase I is an important feature for univalent-dependent meiotic nonreduction.Journal of genetics · 2014Article
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Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unreductional meiotic cell division (UMCD) generates unreduced gametes and leads to polyploidy. The tetraploid wheat "Langdon" (LDN) undergoes normal meiosis, but its polyhaploid undergoes UMCD. Here, we found that sister kinetochores oriented syntelically at meiosis I in LDN, but amphitelically in LDN polyhaploid and the interspecific hybrid of LDN with Aegilops tauschii. We also observed that sister centromere cohesion persisted until anaphase II in LDN, LDN polyhaploid, and the interspecific hybrid. Meiocytes with all chromosomes oriented amphitelically underwent UMCD in LDN polyhaploid, and the interspecific hybrid, suggesting the tension created by the amphitelic orientation of sister kinetochores and persistence of centromeric cohesion between sister chromatids at meiosis I contribute to the onset of UMCD. Most likely, some ploidy-regulated genes were responsible for kinetochore orientation at meiosis I in LDN and LDN-derived polyhaploids. In addition, we found sister kinetochores of synapsed chromosomes oriented syntelically, whereas asynapsed chromosomes oriented either amphitelically or syntelically. Thus, synapsis probably is another factor for the coordination of kinetochore orientation in LDN.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.