MICROBIOLOGY: EVOLV.SCI.-W/ACCESS>CI<
4th Edition
ISBN: 9780393622805
Author: SLONCZEWSKI
Publisher: Norton custom
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Chapter 15.2, Problem 1TQ
Summary Introduction
To review:
Catalysis of a competing reaction by RuBisCO (ribulose 1,5 bisphosphate carboxylase oxygenase), and the reasons for the failure of researchers to engineer RuBisCO.
Introduction:
Plants that fix carbon dioxide using primarily the Calvin cycle are defined as C3 plants. Carbon dioxide (CO2) interacts with ribulose 1,5- bisphosphate (RuBP) in the first step of the cycle to create two 3-carbon molecules of 3-phosphoglyceric acid (3-PGA). When the concentration of CO2 (carbon dioxide) in the chloroplasts falls below 50ppm (parts per million), the RuBisCo catalyst instead of fixing carbon starts fixing oxygen.
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