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| 著者 | Chen X., Zuo S., Schwessinger B., Chern M., Canlas P.E., Ruan D., Zhou X., Wang J., Daudi A., Petzold C.J., Heazlewood J.L., Ronald P.C. | |
| タイトル | An XA21-Associated Kinase (OsSERK2) Regulates Immunity Mediated by the XA21 and XA3 Immune Receptors. | |
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Abstract: The rice XA21 immune receptor kinase and the structurally related XA3 receptor confer immunity to Xanthomonas oryzae pv. oryzae (Xoo), the causal agent of bacterial leaf blight. Here we report the isolation of OsSERK2 (rice somatic embryogenesis receptor kinase 2) and demonstrate that OsSERK2 positively regulates immunity mediated by XA21 and XA3 as well as the rice immune receptor FLS2 (OsFLS2). Rice plants silenced for OsSERK2 display altered morphology and reduced sensitivity to the hormone brassinolide. OsSERK2 interacts with the intracellular domains of each immune receptor in the yeast two-hybrid system in a kinase activity-dependent manner. OsSERK2 undergoes bidirectional transphosphorylation with XA21 in vitro and forms a constitutive complex with XA21 in vivo. These results demonstrate an essential role for OsSERK2 in the function of three rice immune receptors and suggest that direct interaction with the rice immune receptors is critical for their function. Taken together, our findings suggest that the mechanism of OsSERK2-meditated regulation of rice XA21, XA3, and FLS2 differs from that of AtSERK3/BAK1-mediated regulation of Arabidopsis FLS2 and EFR. |
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| 掲載誌 | Mol Plant | |
| Country | USA | |
| 刊数 | 7(5) | |
| ページ | 874-92 | |
| 発刊年 | 2014 | |
| PubMed ID | 24482436 | |
| PubMed Central ID | - | |
| DOI | 10.1093/mp/ssu003 | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | D61 FLS2 MAS PR10B SERK1 SG2 XA21 XA3 | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
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| 突然変異系統(遺伝研 Collection) | - | |
| 種子不稔系統 | - | |
| 致死変異体系統 | - | |
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組織別発生段階 - 突然変異系統(遺伝子) |
- | |
| 栽培イネ品種(遺伝研 Collection) | - | |
| 組織別発生段階 | - | |
