Legume haemoglobins: symbiotic nitrogen fixation needs bloody nodules.
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.
Downie
J Allan
JA
Department of Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, UK. allan.downie@bbsrc.ac.uk
D001419:Bacteria / Q000378:metabolism*; D007887:Fabaceae / Q000235:genetics / Q000382:microbiology / Q000502:physiology*; D007874:Leghemoglobin / Q000235:genetics / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism; D009591:Nitrogenase / Q000378:metabolism; D010100:Oxygen / Q000378:metabolism; D018517:Plant Roots / Q000166:cytology / Q000378:metabolism* / Q000382:microbiology; D000644:Quaternary Ammonium Compounds / Q000378:metabolism; D034622:RNA Interference; D013559:Symbiosis
D007874:Leghemoglobin; D000644:Quaternary Ammonium Compounds; D009591:Nitrogenase; D009584:Nitrogen; D010100:Oxygen