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ficz超級(jí)版主
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[求助]
麻煩哪位高手幫忙翻譯一下，后半段實(shí)在是搞不懂，我急著做PPT的，謝謝了。
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麻煩哪位高手幫忙翻譯一下，后半段實(shí)在是搞不懂，我急著做PPT的，謝謝了。 全文：Jasmonate and related signalling compounds have a crucial role in both host immunity and development in plants, but the molecular details of the signalling mechanism are poorly understood. Here we identify members of the jasmonate ZIM-domain (JAZ) protein family as key regulators of jasmonate signalling. JAZ1 protein acts to repress transcription of jasmonate-responsive genes. Jasmonate treatment causes JAZ1 degradation and this degradation is dependent on activities of the SCFCOI1 ubiquitin ligase and the 26S proteasome. Furthermore, the jasmonoyl–isoleucine (JA–Ile) conjugate, but not other jasmonate-derivatives such as jasmonate, 12-oxo-phytodienoic acid, or methyl-jasmonate, promotes physical interaction between COI1 and JAZ1 proteins in the absence of other plant proteins. Our results suggest a model in which jasmonate ligands promote the binding of the SCFCOI1 ubiquitin ligase to and subsequent degradation of the JAZ1 repressor protein, and implicate the SCFCOI1–JAZ1 protein complex as a site of perception of the plant hormone JA–Ile. 翻譯： Furthermore, the jasmonoyl–isoleucine (JA–Ile) conjugate, but not other jasmonate-derivatives such as jasmonate, 12-oxo-phytodienoic acid, or methyl-jasmonate, promotes physical interaction between COI1 and JAZ1 proteins in the absence of other plant proteins. Our results suggest a model in which jasmonate ligands promote the binding of the SCFCOI1 ubiquitin ligase to and subsequent degradation of the JAZ1 repressor protein, and implicate the SCFCOI1–JAZ1 protein complex as a site of perception of the plant hormone JA–Ile. |
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愛(ài)與雨下: 金幣+1 2012-03-22 13:05:12
ficz: 金幣+25, 翻譯EPI+1, ★★★★★最佳答案, 感謝道長(zhǎng)。 2012-03-23 20:54:09
愛(ài)與雨下: 金幣+1 2012-03-22 13:05:12
ficz: 金幣+25, 翻譯EPI+1, ★★★★★最佳答案, 感謝道長(zhǎng)。 2012-03-23 20:54:09
| 另外，在缺少其他植物蛋白的情況下，JA-Ile偶聯(lián)物而不是其他茉莉酸衍生物諸如茉莉酸、12 - 羰基-植二烯酸或者甲基-茉莉酸等促進(jìn)COI1和JAZ1蛋白之間的物理作用。我們的結(jié)果提出了一個(gè)模型，在這個(gè)模型中茉莉酸配體促進(jìn)SCFCOI1泛素連接酶的結(jié)合，隨后發(fā)生JAZ1阻遏物蛋白的降解，并且說(shuō)明SCFCOI1-JAZ1蛋白復(fù)合體是植物激素JA-Ile的一個(gè)感知位點(diǎn)。 |
2樓2012-03-22 11:09:02
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