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Plant Physiol. 1971 Mar; 47(3): 380–384.
PMCID: PMC365873

Two Categories of 13C/12C Ratios for Higher Plants 1


13C/12C ratios have been determined for plant tissue from 104 species representing 60 families. Higher plants fall into two categories, those with low δPDBI13C values (—24 to —34‰) and those with high δ 13C values (—6 to —19‰). Algae have δ 13C values of —12 to —23‰. Photosynthetic fractionation leading to such values is discussed.

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Selected References

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  • Kortschak HP, Hartt CE, Burr GO. Carbon Dioxide Fixation in Sugarcane Leaves. Plant Physiol. 1965 Mar;40(2):209–213. [PMC free article] [PubMed]
  • McKINNEY CR, McCREA JM, EPSTEIN S, ALLEN HA, UREY HC. Improvements in mass spectrometers for the measurement of small differences in isotope abundance ratios. Rev Sci Instrum. 1950 Aug;21(8):724–730. [PubMed]
  • MOSS DN. The limiting carbon dioxide concentration for photosynthesis. Nature. 1962 Feb 10;193:587–587. [PubMed]
  • Park R, Epstein S. Metabolic fractionation of C & C in plants. Plant Physiol. 1961 Mar;36(2):133–138. [PMC free article] [PubMed]
  • Woo KC, Anderson JM, Boardman NK, Downton WJ, Osmond CB, Thorne SW. Deficient Photosystem II in Agranal Bundle Sheath Chloroplasts of C(4) Plants. Proc Natl Acad Sci U S A. 1970 Sep;67(1):18–25. [PMC free article] [PubMed]

Articles from Plant Physiology are provided here courtesy of American Society of Plant Biologists


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