| Title |
High-density marker profiling confirms ancestral genomes of Avena species and identifies D-genome chromosomes of hexaploid oat
|
|---|---|
| Published in |
Theoretical and Applied Genetics, August 2016
|
| DOI | 10.1007/s00122-016-2762-7 |
| Pubmed ID | |
| Authors |
Honghai Yan, Wubishet A. Bekele, Charlene P. Wight, Yuanying Peng, Tim Langdon, Robert G. Latta, Yong-Bi Fu, Axel Diederichsen, Catherine J. Howarth, Eric N. Jellen, Brian Boyle, Yuming Wei, Nicholas A. Tinker |
| Abstract |
Genome analysis of 27 oat species identifies ancestral groups, delineates the D genome, and identifies ancestral origin of 21 mapped chromosomes in hexaploid oat. We investigated genomic relationships among 27 species of the genus Avena using high-density genetic markers revealed by genotyping-by-sequencing (GBS). Two methods of GBS analysis were used: one based on tag-level haplotypes that were previously mapped in cultivated hexaploid oat (A. sativa), and one intended to sample and enumerate tag-level haplotypes originating from all species under investigation. Qualitatively, both methods gave similar predictions regarding the clustering of species and shared ancestral genomes. Furthermore, results were consistent with previous phylogenies of the genus obtained with conventional approaches, supporting the robustness of whole genome GBS analysis. Evidence is presented to justify the final and definitive classification of the tetraploids A. insularis, A. maroccana (=A. magna), and A. murphyi as containing D-plus-C genomes, and not A-plus-C genomes, as is most often specified in past literature. Through electronic painting of the 21 chromosome representations in the hexaploid oat consensus map, we show how the relative frequency of matches between mapped hexaploid-derived haplotypes and AC (DC)-genome tetraploids vs. A- and C-genome diploids can accurately reveal the genome origin of all hexaploid chromosomes, including the approximate positions of inter-genome translocations. Evidence is provided that supports the continued classification of a diverged B genome in AB tetraploids, and it is confirmed that no extant A-genome diploids, including A. canariensis, are similar enough to the D genome of tetraploid and hexaploid oat to warrant consideration as a D-genome diploid. |
X Demographics
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Canada | 2 | 20% |
| United States | 1 | 10% |
| Turkey | 1 | 10% |
| Australia | 1 | 10% |
| Unknown | 5 | 50% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 6 | 60% |
| Scientists | 3 | 30% |
| Science communicators (journalists, bloggers, editors) | 1 | 10% |
Mendeley readers
The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Colombia | 1 | 2% |
| Netherlands | 1 | 2% |
| Italy | 1 | 2% |
| Unknown | 40 | 93% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 11 | 26% |
| Student > Master | 6 | 14% |
| Researcher | 5 | 12% |
| Student > Doctoral Student | 4 | 9% |
| Student > Bachelor | 2 | 5% |
| Other | 4 | 9% |
| Unknown | 11 | 26% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 24 | 56% |
| Biochemistry, Genetics and Molecular Biology | 5 | 12% |
| Unspecified | 1 | 2% |
| Energy | 1 | 2% |
| Engineering | 1 | 2% |
| Other | 0 | 0% |
| Unknown | 11 | 26% |
Attention Score in Context
This research output has an Altmetric Attention Score of 6. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 29 December 2016.
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#6,018,105
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Outputs from Theoretical and Applied Genetics
#1,080
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#95,132
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Outputs of similar age from Theoretical and Applied Genetics
#27
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