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Science 23 March 1979:
Vol. 203. no. 4386, pp. 1255 - 1257
DOI: 10.1126/science.203.4386.1255
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Articles

Hydrogenase in Rhizobium japonicum Increases Nitrogen Fixation by Nodulated Soybeans

STEVE L. ALBRECHT 1, ROBERT J. MAIER 1, F. JOE HANUS 1, STERLING A. RUSSELL 1, DAVID W. EMERICH 1, and HAROLD J. EVANS 1

1 Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331

Some Rhizobium strains synthesize a unidirectional hydrogenase system in legume nodule bacteroids; this system participates in the recycling of hydrogen that otherwise would be lost as a by-product of the nitrogen fixation process. Soybeans inoculated with Rhizobium japonicum strains that synthesized the hydrogenase system fixed significantly more nitrogen and produced greater yields than plants inoculated with strains lacking hydrogen-uptake capacity. Rhizobium strains used as inocula for legumes should have the capability to synthesize the hydrogenase system as one of their desirable characteristics.

Submitted on October 20, 1978
Revised on December 19, 1978


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Symbiotic Hydrogenase Activity in Bradyrhizobium sp. (Vigna) Increases Nitrogen Content in Vigna unguiculata Plants.
C. Baginsky, B. Brito, J. Imperial, T. Ruiz-Argueso, and J. M. Palacios (2005)
Appl. Envir. Microbiol. 71, 7536-7538
   Abstract »    Full Text »    PDF »
Rhizobium leguminosarum Biovar viciae Symbiotic Hydrogenase Activity and Processing Are Limited by the Level of Nickel in Agricultural Soils.
A.-C. Ureta, J. Imperial, T. Ruiz-Argueso, and J. M. Palacios (2005)
Appl. Envir. Microbiol. 71, 7603-7606
   Abstract »    Full Text »    PDF »
Diversity and Evolution of Hydrogenase Systems in Rhizobia.
C. Baginsky, B. Brito, J. Imperial, J.-M. Palacios, and T. Ruiz-Argueso (2002)
Appl. Envir. Microbiol. 68, 4915-4924
   Abstract »    Full Text »    PDF »
Mutants of Rhizobium japonicum with Increased Hydrogenase Activity.
D. MERBERG and R. J. MAIER (1983)
Science 220, 1064-1065
   Abstract »    PDF »


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