Wheat polyploidization: the genetic basis of F1 hybrid genome doubling through union of 2n gametes
| Project/Area Number |
15H04439
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Science in genetics and breeding
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| Research Institution | Fukui Prefectural University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 倍数化 / 2n配偶子 / 種間雑種 / 倍数性進化 / 生殖 / 雑種 / 倍数性 / 分離集団 |
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| Outline of Final Research Achievements |
To better understand the genetic basis of “F1 hybrid genome doubling through union of 2n gametes”, an important early step in the process of plant allopolyploid speciation, a quantitative trait locus (QTL) analysis was done using triploid F1 hybrids that were produced by artificial cross between the diploid and tetraploid progenitors of bread wheat (Triticum aestivum L. subsp. aestivum). As the result, 11 QTLs were found. Comparative observations of the pollen mother cells suggested that at least some of those QTLs might be involved in the process of 2n gamete formation in the triploid F1 hybrids.
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Report
(4 results)
Research Products
(3 results)
