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Biotljy木蟲 (小有名氣)
斗戰(zhàn)圣佛
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[求助]
關于擬南芥TCH基因響應機械刺激的相關課題討論
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| 請各位高手指點一下,在一般的實驗室條件下,如何實現(xiàn)擬南芥根的機械刺激,以及TCH基因及其編碼的鈣調(diào)蛋白及類似蛋白在響應其過程的作用。!急! |
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專家顧問 (職業(yè)作家)
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專家經(jīng)驗: +426 |
| 以前看過文章,研究機械刺激對根部細胞內(nèi)部信號影響,直接用玻璃探針接觸。目前對TCH產(chǎn)物功能好像還沒什么進展,只能確認他們是一系列鈣調(diào)蛋白,機械刺激后,植物內(nèi)源鈣水平發(fā)生變化,這一鈣信號上調(diào)激活蛋白激酶,最終上調(diào)某些TCH表達(如TCH2,3,4,TCH1不單純由鈣信號激活),同時有報道蛋白磷酸酶對某些TCH(如TCH3負調(diào)控)。 |

專家顧問 (職業(yè)作家)
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專家經(jīng)驗: +426 |
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是這篇文章,方法如下 Arabidopsis roots were mechanically stimulated following three different protocols: (1) Individual epidermal cells were touched by rubbing a glass micropipette tip along the cell surface using a micromanipulator. (2) Roots were bent in the proximal elongation/mature zone. To impose a bend, the base of the root was immobilized in agarose, and the exposed part of the root was flexed with the aid of a glass capillary. (3) Vertically oriented roots immersed in agarose were grown into a barrier consisting of a piece of coverglass placed perpendicular to the root long axis Ca2+ Regulates Reactive Oxygen Species Production and pH during Mechanosensing in Arabidopsis Roots Gabriele B. Monshausen, Tatiana N. Bibikova, Manfred H. Weisenseel and Simon Gilroy The Plant Cell August 2009 vol. 21 no. 8 2341-2356 |

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