Harbinson Jeremy, Yin Xinyou
Horticulture and Product Physiology Group, Department of Plant Sciences, Wageningen University and Research, Wageningen, 6708 PB, the Netherlands.
Centre for Crop Systems Analysis, Department of Plant Sciences, Wageningen University and Research, Wageningen, 6700 AK, the Netherlands.
Physiol Plant. 2017 Sep;161(1):109-123. doi: 10.1111/ppl.12572. Epub 2017 May 23.
The analysis of the irradiance responses of photosynthetic processes, such as the quantum efficiencies of electron transport by photosystems I and II (PSI and PSII) or the rate of carbon dioxide fixation, is limited by the lack of mechanistically based analytical model for these processes. Starting with a model of P700 redox state, we develop a series of analytical functions which can be used to fit the irradiance responses of the quantum yields for electron transport by PSI and PSII, the irradiance responses of electron transport by PSI and PSII, and even the irradiance response of the fixation rate of carbon dioxide. These functions depend on two or three parameters so they can be fit to typical irradiance response data. We illustrate by example the use of these functions in various applications and discuss further use and development of the basic model described in detail here.
对光合过程的辐照度响应进行分析，例如光系统I和II（PSI和PSII）的电子传递量子效率或二氧化碳固定速率，受到这些过程缺乏基于机制的分析模型的限制。从P700氧化还原状态模型出发，我们开发了一系列分析函数，可用于拟合PSI和PSII电子传递量子产率的辐照度响应、PSI和PSII电子传递的辐照度响应，甚至二氧化碳固定速率的辐照度响应。这些函数依赖于两三个参数，因此可以拟合典型的辐照度响应数据。我们通过示例说明了这些函数在各种应用中的使用，并讨论了此处详细描述的基本模型的进一步使用和开发。
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