QEIB: Collaborative Research: Unifying Mechanistic and Dynamic Mathematical Models of Stomatal Behavior and Photosynthesis.
QEIB:合作研究:统一气孔行为和光合作用的机械和动态数学模型。
基本信息
- 批准号:0417126
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-09-01 至 2008-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Photosynthesis within the leaves of green plants is one of the best known and most researched of biological processes. In this series of chemical and physical reactions, light energy is used to convert atmospheric CO2 into sugars, producing oxygen as a by-product. Thus, photosynthesis is the ultimate source of essentially all organic matter and all oxygen in the biosphere. Each of the 78 discrete steps from light capture to carbohydrate synthesis is known in some detail and their kinetic properties described. For photosynthesis to occur, CO2 must enter the leaf through tiny pores called stomata, which are found on the surfaces of leaves. As CO2 diffuses into the leaf, water and O2 diffuse out, and stomatal aperture must vary dynamically throughout the day to admit sufficient CO2 for photosynthesis while preventing excessive water loss. Although less well understood than photosynthesis, many of the biochemical and biophysical steps controlling stomatal opening are now described, and there is new evidence that photosynthetic processes may underlie many stomatal responses. Computational power and numerical methods are now sufficient to allow the simulation of the complete process of leaf photosynthesis from carbon dioxide and oxygen exchange through the stomata to light energy transduction into carbohydrate in the underlying photosynthetic tissue. This work, for the first time, brings together the complete description of the photosynthetic process and hypothesized mechanisms of stomatal movements to produce a computer or in silico representation of the leaf. The product of this effort will be capable of mimicking the dynamic responses of leaves to changes in light, carbon dioxide and oxygen, and comparisons to real measurements of the dynamics of leaf photosynthesis will be used to test and improve the model. It will provide a workbench for investigating the dynamic linkages between stomatal movement and photosynthesis. More broadly it will provide a means for exploring the mathematical properties of a complex natural system that is unusually rich in measurable properties. The project will contribute to education by providing a portal to the in silico leaf, allowing classroom investigation of both dynamic environmental responses and genetic modification of individual steps in the photosynthetic process. Undergraduate Research Experiences linked to this project will aid this implementation of the portal.
绿色植物叶片内的光合作用是生物过程中最著名和研究最多的过程之一。 在这一系列的化学和物理反应中,光能被用来将大气中的二氧化碳转化为糖,并产生氧气作为副产品。 因此,光合作用是生物圈中基本上所有有机物质和所有氧气的最终来源。 从光捕获到碳水化合物合成的78个离散步骤中的每一个都是已知的,并且描述了它们的动力学性质。 为了进行光合作用,CO2必须通过被称为气孔的小孔进入叶子,气孔位于叶子表面。 随着CO2扩散到叶片中,水和O2扩散出去,气孔孔径必须在一天中动态变化,以容纳足够的CO2进行光合作用,同时防止过多的水分流失。 虽然不像光合作用那么好理解,但现在描述了许多控制气孔开放的生物化学和生物物理步骤,并且有新的证据表明光合作用过程可能是许多气孔反应的基础。 计算能力和数值方法现在足以允许模拟叶片光合作用的完整过程,从二氧化碳和氧气交换通过气孔到光能转换成碳水化合物在下面的光合组织。 这项工作,第一次,汇集了完整的描述光合作用过程和假设的气孔运动机制,以产生一个计算机或在硅片表示的叶子。 这一努力的产物将能够模拟叶片对光、二氧化碳和氧气变化的动态反应,并与叶片光合作用动态的真实的测量结果进行比较,以测试和改进该模型。 它将为研究气孔运动和光合作用之间的动态联系提供一个平台。 更广泛地说,它将提供一种手段,探索一个复杂的自然系统的数学性质,这是异常丰富的可测量的属性。 该项目将有助于教育,提供一个门户网站在silico叶,允许课堂调查的动态环境响应和遗传修饰的光合过程中的各个步骤。 本科研究经验链接到这个项目将有助于这个门户网站的实施。
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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Stephen Long其他文献
Greenland's offshore Greenland halibut fishery and role of the Marine Stewardship Council certification: A governance case study
- DOI:
10.1016/j.marpol.2020.104095 - 发表时间:
2021-05-01 - 期刊:
- 影响因子:
- 作者:
Stephen Long;Peter J.S. Jones - 通讯作者:
Peter J.S. Jones
A longitudinal governance analysis of a locally managed marine area: Ankobohobo wetland small-scale mud crab fishery, Madagascar
地方管理海域的纵向治理分析:马达加斯加 Ankobohobo 湿地小规模青蟹渔业
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:3.8
- 作者:
Quinn M. Parker;Hoby Tsimijaly Longosoa;Stephen Long;Peter J.S. Jones - 通讯作者:
Peter J.S. Jones
‘Inexpensive to us and yet very valuable to the impoverished Albanian people’: Covert Foreign Aid and the Anglo-American Subversion of Albania, 1951-55
“对我们来说便宜,但对贫困的阿尔巴尼亚人民来说非常有价值”:秘密对外援助和英美对阿尔巴尼亚的颠覆,1951-55
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0.6
- 作者:
Stephen Long - 通讯作者:
Stephen Long
High linearity and high efficiency of class-B power amplifiers in GaN HEMT technology
采用 GaN HEMT 技术的 B 类功率放大器具有高线性度和高效率
- DOI:
10.1109/tmtt.2002.807682 - 发表时间:
2003 - 期刊:
- 影响因子:4.3
- 作者:
V. Paidi;S. Xie;R. Coffie;B. Moran;S. Heikman;S. Keller;A. Chini;S. Denbaars;U. Mishra;Stephen Long;M. Rodwell - 通讯作者:
M. Rodwell
Epidemiology and control of monkeypox outbreak in Houston, Texas
- DOI:
10.1016/j.glohj.2024.08.008 - 发表时间:
2024-09-01 - 期刊:
- 影响因子:
- 作者:
Abisola M. Oladimeji;Abayomi Joseph Afe;Louis Carillo;Courtney Hundley;Yufang Zhang;Stephen Long;Kirstin Short;Roger Sealy;Janeana White;David Persse - 通讯作者:
David Persse
Stephen Long的其他文献
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{{ truncateString('Stephen Long', 18)}}的其他基金
2017 CO2 Assimilation in Plants from Genome to Biome Gordon Research Conference, Lucca, Italy
2017 植物中从基因组到生物群落的二氧化碳同化戈登研究会议,意大利卢卡
- 批准号:
1712961 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: Exploiting Prokaryotic Proteins to Improve Plant Photosynthetic Efficiency
合作研究:利用原核蛋白提高植物光合效率
- 批准号:
1105511 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
Adaptation of C4 Photosynthesis to Cold within the Miscanthus Genus
芒属植物 C4 光合作用对寒冷的适应
- 批准号:
0446018 - 财政年份:2005
- 资助金额:
-- - 项目类别:
Standard Grant
Photolithography Equipment For Integrated Electronics Research
用于集成电子研究的光刻设备
- 批准号:
8305131 - 财政年份:1983
- 资助金额:
-- - 项目类别:
Standard Grant
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