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Alb4 of Arabidopsis Promotes Assembly and Stabilization of a Non Chlorophyll-Binding Photosynthetic Complex, the CF1CF0-ATP Synthase

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Molecular Plant 2009年第6期2卷 1410-1424页

作者： Monique Benz Thomas Bals Irene Luise Gugel Markus Piotrowski Andreas Kuhn Danja Schunemann jurgen soll Elisabeth Ankele Department of Biologie I-Botanik Biozentrum Ludwig-Maximillians-University Munich Grosshadernerstrasse 2-4 D-82152 Planegg-Martinsried Germany Munich Centre for Integrated Protein Science CIPSM Ludwig-Maximillians-University Munich Feodor-Lynen-Strasse 25 D-81377 Munich Germany Department of Plant Physiology Ruhr-University Bochum D-44780 Bochum Germany Department of Microbiology University of Hohenheim Garbenstrasse 30 D-70599 Hohenheim Germany

All members of the YidC/Oxal/Alb3 protein family are evolutionarily conserved and appear to function in membrane protein integration and protein complex stabilization. Here, we report on a second thylakoidal isoform of Alb3, named Alb4. Analysis of Arabidopsis knockout mutant lines shows that AIb4 is required in assembly and/or stability of the CF1CF0-ATP synthase （ATPase）. alb4 mutant lines not only have reduced steady-state levels of ATPase subunits, but also their assembly into high-molecular-mass complexes is altered, leading to a reduction of ATP synthesis in the mutants. Moreover, we show that Alb4 but not AIb3 physically interacts with the subunits CF1β and CF0ll. Summarizing, the data indicate that AIb4 functions to stabilize or promote assembly of CF1 during its attachment to the membrane-embedded CF0 part.

关键词： Alb4 Alb3 Arabidopsis thylakoid membrane protein insertion protein complex assembly CF1CF0-ATP synthase.

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Ycf1/Tic214 Is Not Essential for the Accumulation of Plastid Proteins

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Molecular Plant 2017年第1期10卷 219-221页

作者： Bettina Bölter Jürgen soll Department Biologie I-Botanik Ludwig-Maximilians-Universität Großhadernerstraße 2-4 82152 Planegg-Martinsried Germany

Dear Editor,Protein import into chloroplasts is an essential process for plant survival. Numerous studies in recent years have revealed many facts about the components involved and mechanistic features, but have also turned up some controversies. Especially the composition and function of the Tic （translocon at the inner enve- lope of chloroplasts） complex（es） are vividly debated. Whereas the importance of one central Tic component,

关键词： Essential Accumulation Proteins

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Experiences from a CRO Perspective in Leveraging Collaborative Medicinal Chemistry:Evolution of Hits to Optimized Tool Compounds for Novel Target Validation In Vivo

Experiences from a CRO Perspective in Leveraging Collaborati...

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2011年全国药物化学学术会议——药物的源头创新

作者： Richard soll S.VP WuXi AppTec 288 Fute Zhong RoadFree TradeShanghai200131China

＜正＞The last number of years has witnessed the emergence of China as a vibrant center of drug discovery and an increasing reliance on global,externalized models of drug *** this presentation,perspectives and experie...

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Regulation of protein import into chloroplast

Regulation of protein import into chloroplast

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2003年全国作物遗传育种学术研讨会

作者： Jürgen soll Botanic Institute Munich University

Correct and efficient targeting and translocation of the precursor proteins synthesized in the nucleus is vital for the chloroplast function. Two-hybrid yeast system was employed to investigate the fa

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Rubisco小亚基前体蛋白preSSU的互作蛋白分析(英文)

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作物学报 2006年第5期32卷 762-765页

作者：夏兰芹 soll Jürgen 何中虎中国农业科学院作物科学研究所国家小麦改良中心北京100081 德国慕尼黑大学植物研究所德国慕尼黑80638

由核基因编码的叶绿体前体蛋白能否正确定向和转运到叶绿体,对叶绿体的功能十分重要。采用酵母双杂交方法,筛选豌豆的cDNA表达文库,分析检测与Rubisco小亚基前体蛋白(preSSU)相互作用并参与其调控的蛋白。结果表明,共有6种不同类型的蛋... 详细信息

由核基因编码的叶绿体前体蛋白能否正确定向和转运到叶绿体,对叶绿体的功能十分重要。采用酵母双杂交方法,筛选豌豆的cDNA表达文库,分析检测与Rubisco小亚基前体蛋白(preSSU)相互作用并参与其调控的蛋白。结果表明,共有6种不同类型的蛋白与preSSU互作,分别为组氨酸蛋白激酶基因、转运蛋白复合体、转录和翻译相关蛋白及复合体、信号传导相关基因和光合合成相关基因。通过与相关蛋白的相互作用,preSSU也许参与了植物抗逆信号传导系统,并在植物的生长发育、成熟和衰老过程中起重要作用。

关键词：豌豆 Rubisco小亚基前体蛋白(preSSU) 酵母双杂交叶绿体转运

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