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On the regulatory significance of inhibitors acting on non‐equilibrium enzymes in the Calvin photosynthesis cycle

Pettersson, Gösta LU and Ryde-Pettersson, Ulf LU (1989) In European Journal of Biochemistry 182(2). p.373-377
Abstract

Control analyses and kinetic model studies have been performed in order to obtain quantitative information on the regulatory significance of 12 experimentally well‐documented inhibitory interactions of Calvin cycle intermediates with the four non‐equilibrium cycle enzymes. Evidence is presented to show that none of these interactions contributes significantly to the cycle flux control over the range of external orthophosphate concentrations where the reaction cycle shows close to optimal activity. Contrary to what has been generally supposed, the examined inhibitions appear to be of little interest for our understanding of the biological regulation of the Calvin photosynthesis cycle under conditions of light and carbon dioxide... (More)

Control analyses and kinetic model studies have been performed in order to obtain quantitative information on the regulatory significance of 12 experimentally well‐documented inhibitory interactions of Calvin cycle intermediates with the four non‐equilibrium cycle enzymes. Evidence is presented to show that none of these interactions contributes significantly to the cycle flux control over the range of external orthophosphate concentrations where the reaction cycle shows close to optimal activity. Contrary to what has been generally supposed, the examined inhibitions appear to be of little interest for our understanding of the biological regulation of the Calvin photosynthesis cycle under conditions of light and carbon dioxide saturation.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Journal of Biochemistry
volume
182
issue
2
pages
5 pages
publisher
Wiley-Blackwell
external identifiers
  • scopus:0024970751
ISSN
0014-2956
DOI
10.1111/j.1432-1033.1989.tb14841.x
language
English
LU publication?
yes
id
f3b0380b-b7b9-48a8-998f-4894dc084322
date added to LUP
2017-02-04 11:21:53
date last changed
2017-05-01 20:33:55
@article{f3b0380b-b7b9-48a8-998f-4894dc084322,
  abstract     = {<p>Control analyses and kinetic model studies have been performed in order to obtain quantitative information on the regulatory significance of 12 experimentally well‐documented inhibitory interactions of Calvin cycle intermediates with the four non‐equilibrium cycle enzymes. Evidence is presented to show that none of these interactions contributes significantly to the cycle flux control over the range of external orthophosphate concentrations where the reaction cycle shows close to optimal activity. Contrary to what has been generally supposed, the examined inhibitions appear to be of little interest for our understanding of the biological regulation of the Calvin photosynthesis cycle under conditions of light and carbon dioxide saturation. <br clear="none"/></p>},
  author       = {Pettersson, Gösta and Ryde-Pettersson, Ulf},
  issn         = {0014-2956},
  language     = {eng},
  number       = {2},
  pages        = {373--377},
  publisher    = {Wiley-Blackwell},
  series       = {European Journal of Biochemistry},
  title        = {On the regulatory significance of inhibitors acting on non‐equilibrium enzymes in the Calvin photosynthesis cycle},
  url          = {http://dx.doi.org/10.1111/j.1432-1033.1989.tb14841.x},
  volume       = {182},
  year         = {1989},
}