Functional analysis of RABL2-CEP19 complex involved in primary cilium formation
Project/Area Number |
15K07929
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Biological pharmacy
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Research Institution | Kyoto University |
Principal Investigator |
Katoh Yohei 京都大学, 薬学研究科, 助教 (90568172)
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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 |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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Keywords | 一次繊毛 / 鞭毛 / 繊毛病 / 低分子量GTPase / IFT複合体 / 基底小体 / 中心体 / VIPアッセイ / 繊毛 / 繊毛内タンパク質輸送 |
Outline of Final Research Achievements |
Mutation of RABL2 and CEP19 genes are known to cause male infertility and morbid obesity, but its molecular mechanism is unknown. In this study, I studied the function of RABL2 and CEP19 involved in primary cilium formation. As a result, I found that RABL2 forms a complex with CEP19 and localizes at the basal body of primary cilia. When RABL2 is converted to GTP-bound form by guanine nucleotide exchange factor, it dissociates from CEP19 and transiently interacts with IFT-B complex via IFT74-IFT81 dimer. These results indicate that RABL2 regulates the entry of the IFT complex into primary cilium.
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Report
(4 results)
Research Products
(55 results)
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[Journal Article] Ciliopathy-associated mutations of IFT122 impair ciliary protein trafficking but not ciliogenesis2018
Author(s)
Takahara, M., Katoh, Y., Nakamura, K., Hirano, T., Sugaga, M., Tsurumi, Y. Nakayama, K.
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Journal Title
Hum. Mol. Genet.
Volume: 27
Issue: 3
Pages: 516-528
DOI
Related Report
Peer Reviewed
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[Presentation] Trafficking Machineries within Cilia: Arc hitectures and Functions of the IFT-A and IFT-B complexes.2016
Author(s)
Nakayama, K., Katoh, Y., Terada, T., Nozaki, S., Hirano, T., Funabashi, T.
Organizer
第68回日本細胞生物学会大会
Place of Presentation
京都テルサ(京都府・京都市)
Year and Date
2016-06-15
Related Report
Invited
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