Structure and Function of the Prochlorothrix Hollandica Photosynthetic Antenna System
荷兰原绿丝菌光合天线系统的结构与功能
基本信息
- 批准号:8903060
- 负责人:
- 金额:$ 21.61万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1989
- 资助国家:美国
- 起止时间:1989-08-01 至 1993-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The photosynthetic prokaryote, Prochlorothrix hollandica, is the only free-living bacterium known which contains the higher plant antenna pigment chlorophyll b. This feature has initiated many comparative studies examining whether the P. hollandica antenna is structurally and functionally similar to that of higher plants. Previous studies from other laboratories have shown that thylakoid membrane stacking occurs in P. hollandica, a function ascribed to the LHCII antenna of green plant chloroplasts. Since the P. hollandica Chl a/b antenna is structurally simpler than chloroplast LHCII, this research studies the antenna proteins of P. hollandica to probe the structural basis for membrane stacking. The experimental approach combines molecular biological, biochemical and biophysical techniques to address the following specific questions: 1) What are the evolutionary relationships among accessory Chl-proteins?; 2) How do photosynthetic organisms adapt to changing light conditions?; and 3) What are the structural requirements for thylakoid membrane stacking?%%% The light reactions of oxygen evolving photosynthesis involve two kinds of membrane-bound pigment-binding complexes,those which are involved in the primary photochemistry and those which serve an accessory antenna function by harvesting light energy to be transferred to the primary systems. A great deal of information has been recently obtained about the chlorophyll-proteins. In contrast, the structure of many antenna complexes is not known to this high level of resolution. The focus of this research is to examine a class of prokaryotic antenna chlorophyll-proteins to help understand their synthesis, assembly and relatedness to chloroplast antennae systems.***
光合作用原核生物,Prochlorothrix hollandica, 唯一已知的自由生活的细菌, 高等植物触角色素叶绿素B。 该特征具有 发起了许多比较研究,探讨是否P。 Hollandica天线在结构和功能上类似于 与高等植物相比。 以前的其他研究 实验室已经证明类囊体膜的堆积 发生在P. hollandica中,这一功能归因于LHCII 绿色植物叶绿体的触角。 由于P. hollandica 叶绿素a/B触角结构比叶绿体简单 LHCII,本研究对中国对虾的触角蛋白进行了研究。 荷兰探讨膜的结构基础 堆叠。 实验方法结合了分子 生物、生物化学和生物物理技术, 具体问题如下:(1) 辅助叶绿素蛋白之间的进化关系?(二) 光合生物如何适应不断变化的光线 条件?及3)结构要求为何 类囊体膜堆积?% 光合作用释放氧气的光反应包括 两种膜结合的色素结合复合物, 它们参与了初级光化学反应, 其通过收集光来提供辅助天线功能 将能量转移到主系统。 一个伟大 最近获得了大量关于 叶绿素蛋白 相反,许多结构 天线复合体是不知道这个高水平的 分辨率 本研究的重点是考察一个班级 原核生物触角叶绿素蛋白质 理解它们的合成、组装和相互关系, 叶绿体触角系统。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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George Bullerjahn其他文献
Increasing mercury bioaccumulation and biomagnification rates of Nile perch (emLates niloticus/em L.) in Winam Gulf, Lake Victoria, Kenya
肯尼亚维多利亚湖威纳姆湾尼罗河鲈鱼(Lates niloticus L.)汞生物累积和生物放大率的增加
- DOI:
10.1016/j.scitotenv.2024.170059 - 发表时间:
2024-03-15 - 期刊:
- 影响因子:8.000
- 作者:
Ken G. Drouillard;Linda Campbell;Dennis Otieno;James Achiya;Albert Getabu;Job Mwamburi;Lewis Sitoki;Reuben Omondi;Anakalo Shitandi;Bethwell Owuor;James Njiru;George Bullerjahn;R. Michael Mckay;Kefa M. Otiso;Emma Tebbs;Katelyn Barker;Max Beal;Katelyn Brown;Aidan Byrne;Linet I. Kiteresi;Brittany Zepernick - 通讯作者:
Brittany Zepernick
Regulation of cyanobacterial pigment-protein composition and organization by environmental factors
- DOI:
10.1007/bf00042982 - 发表时间:
1988-10-01 - 期刊:
- 影响因子:3.700
- 作者:
Harold Riethman;George Bullerjahn;K. J. Reddy;Louis A. Sherman - 通讯作者:
Louis A. Sherman
George Bullerjahn的其他文献
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{{ truncateString('George Bullerjahn', 18)}}的其他基金
IRES Track II: Advanced studies institute on water quality and harmful algal blooms in Lake Victoria
IRES Track II:维多利亚湖水质和有害藻华高级研究机构
- 批准号:
1953468 - 财政年份:2020
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
Lake Erie Center for Fresh Waters and Human Health
伊利湖淡水与人类健康中心
- 批准号:
1840715 - 财政年份:2018
- 资助金额:
$ 21.61万 - 项目类别:
Continuing Grant
Workshop: "Global Solutions to Regional Problems: Collecting Global Expertise to the Problem of Harmful Algal Blooms" at Bowling Green State University, Ohio on April 13-14, 2015
研讨会:“区域问题的全球解决方案:收集有害藻华问题的全球专业知识”,俄亥俄州鲍灵格林州立大学,2015 年 4 月 13 日至 14 日
- 批准号:
1515671 - 财政年份:2015
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
"LiT": Regulation of 5-Aminolevulinic Acid Biosynthesis in the Bacterium Rhodobacter sphaeroides
“LiT”:球形红杆菌中 5-氨基乙酰丙酸生物合成的调节
- 批准号:
0921449 - 财政年份:2009
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
Conference: Support for the 8th Cyanobacterial Molecular Biology Workshop to be held in St. Adele, Quebec on August 25-29, 2004
会议:支持将于2004年8月25日至29日在魁北克省圣阿黛尔举行的第八届蓝藻分子生物学研讨会
- 批准号:
0413569 - 财政年份:2004
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
Acquisition of Molecular Imaging and Plate Reading Systems
获取分子成像和读板系统
- 批准号:
0070334 - 财政年份:2000
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
Analysis of a Stress-Inducible DNA-Binding Protein in a Cyanobacterium
蓝藻中应激诱导 DNA 结合蛋白的分析
- 批准号:
9634049 - 财政年份:1996
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
Light/Shade Adaptation of Prochlorothrix Hollandica
荷兰原绿丝菌的光/荫适应
- 批准号:
9204672 - 财政年份:1992
- 资助金额:
$ 21.61万 - 项目类别:
Standard Grant
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