00448naa a2200133 a 450000100080000000500110000800800410001910000210006024501550008126000090023670000180024570000200026377300310028316141161995-06-27       1989    bl ---       0--  u    #d1 aPALOMARES, A. J.  aFirefly luciferase as a reporter enzyme for measuring gene expression in vegetative and symbiotic Rhizobium meliloti and other gram-negative bacteria.  c19891 aDELUCA, M. A.1 aHELINSKI, D. R.  tGenegv.81, p.55-64, 1989.