00821naa a2200313 a 450000100080000000500110000800800410001910000180006024501150007826000090019365000130020265000110021565000160022665000230024265300120026565300130027765300200029065300140031065300150032465300230033970000150036270000160037770000130039370000130040670000130041970000150043270000180044777300420046514578601992-05-30       1989    bl ---       0--  u    #d1 aKONDOROSI, E.  aPositive and negative control of nod gene expression in Rhizobium meliloti is required for optimal nodulation.  c1989  anitrogen  aAlfafa  aNitrogênio  aRhizobium Meliloti  aFixacao  aFixation  agene regulation  aGenes nod  aNode genes  aRegulacao genetica1 aGYURIS, J.1 aSCHMIDT, J.1 aJOHN, M.1 aDUDA, E.1 aHOFFMANN1 aSCHELL, J.1 aKONDOROSI, A.  tThe EMBO Journal, 8(5):1331-40, 1989.