2012 Fiscal Year Final Research Report
25℃ gene switch: Solanaceae plants in tropical area, which control their growth and development responding to small temperature difference
| Project/Area Number |
22405017
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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 | 海外学術 |
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| Research Field |
Horticulture/Landscape architecture
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
DOI Motoaki 京都大学, 大学院・農学研究科, 教授 (40164090)
KOEDA Sota 京都大学, 大学院・農学研究科, 助教 (00629066)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 蔬菜 |
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| Research Abstract |
When ‘Sy-2’ (Capsicum chinense) plants are grown under 24℃, the abnormal morphology in their leaves are observed. The trigger for the abnormality seemed to be salicylic acid induction in the plants and the compound induces the active expression of pathogen-related proteins. On the basis of the hypothesis that the growth of ‘Sy-2’ at areas with a constant temperature (24-26℃) will induces pathogen, such as such as viruses, resistance, we cultivated ‘Sy-2’ in Indonesia, tropical country with constanttemperature. On the contrary of the hypothesis, ‘Sy-2’ plants were infected with viruses like control cultivars. However, in some traditional cultivars and ‘Sy-2’ grown in Indonesia, shoots generation from virus infected plants were observed. Longer-time observation should be needed for the evaluation of temperature sensing for pathogen resistance of ‘Sy-2’. In this project, we also collected many cultivars from Indonesia and Caribbean community and found a capsicum cultivar (Capsicum chinense) with the interesting phenotype for temperature response like ‘Sy-2’. The genetic mechanisms for the morphology of the cultivar seemed to be similar to ‘Sy-2’. We should analyze the interesting phenotype in detail and consider how to use the bio-resources in tropical area.
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Research Products
(9 results)
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[Journal Article] Characterization and genetic analysis of a low-temperature-sensitive mutant, sy-2, in Capsicum chinense2011
Author(s)
Song-Ji An, Devendra Pandeya, Soung-Woo Park, Jinjie Li, Jin-Kyung Kwon, Sota Koeda, Munetaka Hosokawa, Nam-Chon Park, Doil Choi, Byoung-Cheorl Kang
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Journal Title
Theoretical and Applied Genetics
Volume: 122
Pages: 459-470
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