00456naa a2200157 a 450000100080000000500110000800800410001910000170006024500830007726000090016065000140016965000180018365300200020170000190022177300580024016069311995-06-27       1986    bl ---       0--  u    #d1 aKRANZ, R. G.  aAnaerobic regulation of nitrogen-fixation genes in Rhodopseudomonas capsulata.  c1986  aGenética  aMicrorganismo  aFOTOAUTOTROFICO1 aHALSERKORN, R.  tProc. Nat. Acad. Sci.gv.83, n.18, p.6805-6809, 1986.