Reports

Energy requirement for nitrogen fixation in actinorhizal and legume root nodules

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Science  11 Jul 1980:
Vol. 209, Issue 4453, pp. 279-281
DOI: 10.1126/science.7384801

Abstract

The ratio of respiration to nitrogenase activity was measured in five species of actinorhizal root nodules and eight species of legume nodules. The two types of nodules could not be distinguished on the basis of this ratio; this evidence thus indicates that the energy cost of nitrogen fixation is similar for both.

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