Abstract
IN higher plants the respiratory pigment hæmoglobin has been detected only in root nodules of legumes1,2; it occurs there in all the species examined when nodulation is initiated by an effective nitrogen-fixing strain of the symbiont Rhizobium 2. The presence of the pigment therefore appears to be possibly connected with the process of symbiotic nitrogen fixation.
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References
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DAVENPORT, H. Hæmoglobin in the Root Nodules of Casuarina cunninghamiana . Nature 186, 653–654 (1960). https://doi.org/10.1038/186653a0
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DOI: https://doi.org/10.1038/186653a0
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