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Curr Biol. 2005 Mar 29;15(6):R196-8.

Legume haemoglobins: symbiotic nitrogen fixation needs bloody nodules.

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  • 1Department of Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, UK.


How do plants create an environment in which symbiotic bacteria can reduce enough N2 to provide the plant with sufficient ammonium for growth? Gene silencing has now been used to show that legume haemoglobins are crucial.

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