2010 Fiscal Year Final Research Report
Detection of chromosomal mutation induced by heavy-ion beam irradiation using plant sex chromosome
| Project/Area Number |
20780009
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Breeding science
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| Research Institution | The Institute of Physical and Chemical Research |
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Principal Investigator |
KAZAMA Yusuke The Institute of Physical and Chemical Research, 生物照射チーム, 基礎科学特別研究員 (80442945)
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| Research Collaborator |
KAWANO Shigeyuki 東京大学, 大学院・新領域創成科学研究科, 教授 (70161338)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 重イオンビーム / 雌雄異株植物 / ヒロハノマンテマ突 / 然変異 |
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| Research Abstract |
Mutations induced by the heavy-ion irradiation were analyzed by using the plant Y chromosome as a target. Five sex-changing mutants that have mutations on the Y chromosome were induced by gamma-ray, whereas fifteen sex-changing mutants were produced by heavy-ion irradiation. Mutated regions in these mutants were analyzed by using seventeen of Y-chromosome STS markers including newly developed ones. The result indicates that the mutations induced by heavy-ion irradiation tend to be smaller than that induced by gamma-ray irradiation.
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