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. 1969 Aug 29;165(3896):908-9.
doi: 10.1126/science.165.3896.908.

Nitrogen fixation by gloeocapsa

J T Wyatt, J K Silvey

Nitrogen fixation by gloeocapsa

J T Wyatt et al. Science. .

Abstract

The continuous growth in a medium free of combined nitrogen and the experimental production of ethylene via acetylene reduction indicate that nitrogen fixation by blue-green algae is not solely confined to filamentous genera with heterocysts. Axenic cultures of Gloeocapsa sp., adapted to nitrate-free medium, form ethylene at rates comparable to those of species known to fix nitrogen.

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