ArticleGenetics2008
The origin of a "zebra" chromosome in wheat suggests nonhomologous recombination as a novel mechanism for new chromosome evolution and step changes in chromosome number.
Article in Genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 25 citations in OpenAlex.
- The Evolution of Chromosome Numbers: Mechanistic Models and Experimental Approaches.Genome biology and evolution · 2021Article
- Origin and Evolution of Diploid and AllopolyploidThe Plant cell · 2019Article
- Review
- The Genome Sequence ofFrontiers in plant science · 2019Article
- Efficient anchoring of alien chromosome segments introgressed into bread wheat by new Leymus racemosus genome-based markers.BMC genetics · 2018Article
- Characterization of chromosome composition of sugarcane in nobilization by using genomic in situ hybridization.Molecular cytogenetics · 2018Article
- Characterization of Chromosome Inheritance of the Intergeneric BC2 and BC3 Progeny between Saccharum spp. and Erianthus arundinaceus.PloS one · 2015Article
- Fertility of CMS wheat is restored by two Rf loci located on a recombined acrocentric chromosome.Journal of experimental botany · 2014Article
- Efficient induction of Wheat-agropyron cristatum 6P translocation lines and GISH detection.PloS one · 2013Article
- A novel Robertsonian translocation event leads to transfer of a stem rust resistance gene (Sr52) effective against race Ug99 from Dasypyrum villosum into bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
- No evidence for "break-induced replication" in a higher plant - but break-induced conversion may occur.Frontiers in plant science · 2011Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An alloplasmic wheat line, TA5536, with the "zebra" chromosome z5A was isolated from an Elymus trachycaulus/Triticum aestivum backcross derivative. This chromosome was named "zebra" because of its striped genomic in situ hybridization pattern. Its origin was traced to nonhomologous chromosome 5A of wheat and 1H(t) of Elymus; four chromatin segments were derived from chromosome 1H(t) and five chromatin segments including the centromere from 5A. In this study, our objective was to determine the mechanism of origin of chromosome z5A, whether by nonhomologous recombination or by multiple translocation events. Different crossing schemes were used to recover recombinants containing various Elymus chromatin segments of the z5A chromosome. In addition, one z5AL telocentric chromosome and three z5AL isochromosomes were recovered. The dissection of the Elymus segments into different stocks allowed us to determine the chromosomal origin of the different chromosome fragments on the basis of the order of the RFLP markers employed and suggested that the zebra chromosome originated from nonhomologous recombination. We present a model of possible mechanism(s) of chromosome evolution and step changes in chromosome number applicable to a wide range of organisms.
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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.