ArticleBMC evolutionary biology2015
Putative interchromosomal rearrangements in the hexaploid wheat (Triticum aestivum L.) genotype 'Chinese Spring' revealed by gene locations on homoeologous chromosomes.
Article in BMC evolutionary biology, 2015. 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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11 citing papers in PubMed.
- The improved assembly of 7DL chromosome provides insight into the structure and evolution of bread wheat.Plant biotechnology journal · 2020Article
- Identification and validation of a major and stably expressed QTL for spikelet number per spike in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Connecting genome structural variation with complex traits in crop plants.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Review
- A 55 K SNP array-based genetic map and its utilization in QTL mapping for productive tiller number in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Genome-wide identification, classification, evolutionary analysis and gene expression patterns of the protein kinase gene family in wheat and Aegilops tauschii.Plant molecular biology · 2017Article
- Wheat Landrace Genome Diversity.Genetics · 2017Article
- Genome-wide identification and analysis of the MADS-box gene family in bread wheat (Triticum aestivum L.).PloS one · 2017Article
- Chromosome-specific sequencing reveals an extensive dispensable genome component in wheat.Scientific reports · 2016Article
- Genome-wide characterization of microsatellites in Triticeae species: abundance, distribution and evolution.Scientific reports · 2016Article
- Identification of Novel Chromosomal Aberrations Induced by (60)Co-γ-Irradiation in Wheat-Dasypyrum villosum Lines.International journal of molecular sciences · 2015Article
- Identification of the VERNALIZATION 4 gene reveals the origin of spring growth habit in ancient wheats from South Asia.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
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8 authors.
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Abstract
backgroundChromosomal rearrangements are a major driving force in shaping genome during evolution. Previous studies show that translocated genes could undergo elevated rates of evolution and recombination frequencies around these genes can be altered. Based on the recently released genome sequences of Triticum urartu, Aegilops tauschii, Brachypodium distachyon and bread wheat, an analysis of interchromosomal translocations in the hexaploid wheat genotype 'Chinese Spring' ('CS') was conducted based on chromosome shotgun sequences from individual chromosome arms of this genotype.
resultsA total of 720 genes representing putative interchromosomal rearrangements was identified. They were distributed across the 42 chromosome arms. About 59% of these translocated genes were those involved in the well-characterized translocations involving chromosomes 4A, 5A and 7B. The other 41% of the genes represent a large numbers of putative interchromosomal rearrangements which have not yet been described. The number of the putative translocation events in the D subgenome was about half of those presented in either the A or B subgenomes, which agreed well with that the times of interaction between the A and B subgenomes almost doubled that between either of them and the D subgenome.
conclusionsThe possible existence of a large number of interchromosomal rearrangements detected in this study provide further evidence that caution should be taken when using synteny in ordering sequence contigs or in cloning genes in hexaploid wheat. The identification of these putative translocations in 'CS' also provide a base for a systematic evaluation of their presence or absence in the full spectrum of bread wheat and its close relatives, which could have significant implications in a wide array of fields ranging from studies of systematics and evolution to practical breeding.
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