| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): |
| ○カテゴリ (推奨): |
| ○共著種別 (推奨): | □ | 徳島大学以外での国内共著 (徳島大学以外でのある一つの国に属する複数機関による共同研究 (国外研究者を含まない))
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | (英) Iwano Megumi (日) (読)
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| 2. | (英) Ito Kanae (日) (読)
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| 3. | (英) Fujii Sota (日) (読)
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| 4. | 垣田 満
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| ○学籍番号 (推奨): | □ | ****
| [ユーザ] |
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| 5. | (英) Asano-Shimosato Hiroko (日) (読)
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| 6. | (英) Igarashi Motoko (日) (読)
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| [継承] |
| 7. | (英) Kaothien-Nakayama Pulla (日) (読)
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| 8. | (英) Entani Tetsuyuki (日) (読)
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| 9. | (英) Kanatani Asaka (日) (読)
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| 10. | (英) Takehisa Masashi (日) (読)
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| 11. | (英) Tanaka Masaki (日) (読)
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| [継承] |
| 12. | (英) Komatsu Kunihiko (日) (読)
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| 13. | (英) Shiba Hiroshi (日) (読)
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| 14. | (英) Nagai Takeharu (日) (読)
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| 15. | (英) Miyawaki AtsushI (日) (読)
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| 16. | (英) Isogai Akira (日) (読)
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| 17. | (英) Takayama Seiji (日) (読)
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| ○題名 (必須): | □ | (英) Calcium signalling mediates self-incompatibility response in the Brassicaceae. (日)
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| ○要約 (任意): | □ | (英) Self-incompatibility in the Brassicaceae is controlled by multiple haplotypes encoding the pollen ligand (S-locus protein 11, SP11, also known as S-locus cysteine-rich protein, SCR) and its stigmatic receptor (S-receptor kinase, SRK). A haplotype-specific interaction between SP11/SCR and SRK triggers the self-incompatibility response that leads to self-pollen rejection, but the signalling pathway remains largely unknown. Here we show that Ca(2+) influx into stigma papilla cells mediates self-incompatibility signalling. Using self-incompatible Arabidopsis thaliana expressing SP11/SCR and SRK, we found that self-pollination specifically induced an increase in cytoplasmic Ca(2+) ([Ca(2+)]cyt) in papilla cells. Direct application of SP11/SCR to the papilla cell protoplasts induced Ca(2+) increase, which was inhibited by D-(-)-2-amino-5-phosphonopentanoic acid (AP-5), a glutamate receptor channel blocker. An artificial increase in [Ca(2+)]cyt in papilla cells arrested wild-type (WT) pollen hydration. Treatment of papilla cells with AP-5 interfered with self-incompatibility, and Ca(2+) increase on the self-incompatibility response was reduced in the glutamate receptor-like channel (GLR) gene mutants. These results suggest that Ca(2+) influx mediated by GLR is the essential self-incompatibility response leading to self-pollen rejection. (日)
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| ○キーワード (推奨): |
| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Nature Plants ([Nature Publishing Group])
(pISSN: 2055-026X, eISSN: 2055-0278)
| ○ISSN (任意): | □ | 2055-0278
ISSN: 2055-026X
(pISSN: 2055-026X, eISSN: 2055-0278) Title: Nature plantsTitle(ISO): Nat PlantsPublisher: Nature Portfolio (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 1
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| ○号 (必須): | □ |
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| ○頁 (必須): | □ | 15128 15128
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2015年 9月 1日 (平成 27年 9月 1日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1038/nplants.2015.128 (→Scopusで検索)
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| ○PMID (任意): | □ | 27250681 (→Scopusで検索)
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| ○CRID (任意): |
| ○Scopus (任意): | 1. | 2-s2.0-84949000930
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| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1038/nplants.2015.128 (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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