THE RELATIONSHIP BETWEEN THE RUBISCO REACTION-MECHANISM AND MODELS OF PHOTOSYNTHESIS

被引：64
作者：
COLLATZ, GJ
BERRY, JA
FARQUHAR, GD
PIERCE, J
机构：
[1] DUPONT CO, DEPT AGR PROD, WILMINGTON, DE 19880 USA
[2] AUSTRALIAN NATL UNIV, RES SCH BIOL SCI, PLANT ENVIRONM BIOL GRP, CANBERRA, ACT 2601, AUSTRALIA
来源：
PLANT CELL AND ENVIRONMENT | 1990年 / 13卷 / 03期
关键词：
photosynthesis: CO[!sub]2[!/sub] assimilation; ribulose 1.5‐bisphosphate carboxylase: modelling;
D O I：
10.1111/j.1365-3040.1990.tb01306.x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Abstract. A new model of photosynthesis published recently in this journal (H. Farazdaghi & G. E. Edwards, Plant, Cell and Environment (1988) 11, 789–798; 799–809) clams to have a more complete mechanistic basis than currently used models based on the paper of G. D. Farquhar, S. von Caemmerer & J. A. Berry (Planta (1980) 149, 78–90). In this paper, we examine the validity of the new kinetic expression for the rate of CO2 fixation by Rubisco, and the derivation of an equation for photosynthetic CO2 assimilation as a function of light intensity and CO2 concentration presented in the new model. In addition, we compare measured response curve of photosynthesis to CO2 and light with simulated curves using alternative models. We conclude that the new model is mechanistically misleading and, empirically, overestimates the extent to which light and CO2 co‐limit the rate of photosynthesis under most physiological conditions. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码：219 / 225
页数：7
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