On the 16 O/ 18 O isotope effect associated with photosynthetic O 2 production
Date
2007
Authors
Tcherkez, Guillaume
Farquhar, Graham
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Volume Title
Publisher
CSIRO Publishing
Abstract
While photosynthetically evolved O2 has been repeatedly shown to have nearly the same oxygen isotope composition as source water so that there is no corresponding 16O/18O isotope effect, some recent 18O-enrichment studies suggest that a large isotope effect may occur, thus feeding a debate in the literature. Here, the classical theory of isotope effects was applied to show that a very small isotope effect is indeed expected during O2 production. Explanations of the conflicting results are briefly discussed.
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Keywords
Keywords: Oxygen; Photosynthesis; Enrichment; Isotope composition; Isotope effects; Isotopes; isotopic composition; oxygen; oxygen isotope; photosynthesis; primary production
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Source
Functional Plant Biology
Type
Journal article
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2037-12-31
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