类受体激酶(receptor-like kinase,RLK)是植物体内普遍存在的一类蛋白激酶,是许多信号识别传递途径中的关键组分,作为识别信号的质膜受体,能够感受外界刺激,通过磷酸化作用参与胞内信号传递。富含半胱氨酸的类受体激酶(cysteine-rich re...类受体激酶(receptor-like kinase,RLK)是植物体内普遍存在的一类蛋白激酶,是许多信号识别传递途径中的关键组分,作为识别信号的质膜受体,能够感受外界刺激,通过磷酸化作用参与胞内信号传递。富含半胱氨酸的类受体激酶(cysteine-rich receptor-like kinase,CRK)又被称为DUF26(domain of unknown function 26)类受体激酶,是RLK中的一大类。近几年,越来越多的研究发现CRK参与了植物的抗病防御反应。综述了植物CRK蛋白的结构特征,总结了目前已发现的CRK在生物胁迫、非生物胁迫及生长发育中的功能,并对CRK未来的研究进行了展望,旨为后续阐明CRK的功能和分子机制提供参考。展开更多
The electrochemical behavior of zinc(Ⅱ) ion at self assembled modified gold electrodes with L cysteine was investigated.Cys/SAM/Au showed excellent electrocatalytic activity for the reduction of zinc(Ⅱ) ion.In a B R...The electrochemical behavior of zinc(Ⅱ) ion at self assembled modified gold electrodes with L cysteine was investigated.Cys/SAM/Au showed excellent electrocatalytic activity for the reduction of zinc(Ⅱ) ion.In a B R buffer solution(pH 7.45),a sensitive reduction peak of zinc(Ⅱ) ion was observed with Cys/SAM/Au.The peak potential was 0.02V(vs.SCE).The peak current of zinc(Ⅱ) ion on Cys/SAM/Au was proportional to the concentration of zinc(Ⅱ) ion between 1.5×10 -9 and 1.5×10 -6 mol·L -1 .The detection limit was 1.5×10 -10 mol·L -1 .This method was used to analyze human hair samples with satisfied results.展开更多
文摘类受体激酶(receptor-like kinase,RLK)是植物体内普遍存在的一类蛋白激酶,是许多信号识别传递途径中的关键组分,作为识别信号的质膜受体,能够感受外界刺激,通过磷酸化作用参与胞内信号传递。富含半胱氨酸的类受体激酶(cysteine-rich receptor-like kinase,CRK)又被称为DUF26(domain of unknown function 26)类受体激酶,是RLK中的一大类。近几年,越来越多的研究发现CRK参与了植物的抗病防御反应。综述了植物CRK蛋白的结构特征,总结了目前已发现的CRK在生物胁迫、非生物胁迫及生长发育中的功能,并对CRK未来的研究进行了展望,旨为后续阐明CRK的功能和分子机制提供参考。
文摘The electrochemical behavior of zinc(Ⅱ) ion at self assembled modified gold electrodes with L cysteine was investigated.Cys/SAM/Au showed excellent electrocatalytic activity for the reduction of zinc(Ⅱ) ion.In a B R buffer solution(pH 7.45),a sensitive reduction peak of zinc(Ⅱ) ion was observed with Cys/SAM/Au.The peak potential was 0.02V(vs.SCE).The peak current of zinc(Ⅱ) ion on Cys/SAM/Au was proportional to the concentration of zinc(Ⅱ) ion between 1.5×10 -9 and 1.5×10 -6 mol·L -1 .The detection limit was 1.5×10 -10 mol·L -1 .This method was used to analyze human hair samples with satisfied results.
