Among thirty strains of the leu diazotroph Enterobacter cloacae E in the rice rhizosphere transformed with the plasmid pMC7A LEU, only one strain E can be complemented with a transformation frequency of ×0 transformants/μg plasmid DNA.
Among thirty strains of the leu diazotroph Enterobacter cloacae E in the rice rhizosphere transformed with the plasmid pMC7A LEU, only one strain E can be complemented with a transformation frequency of ×0 transformants/μg plasmid DNA.
用pMC7A－LEU转化 0株leu－水稻根际固氮菌阴沟肠杆菌E（EnterobactercloacaeE），其中一株E－能够互补，转化频率为×0 转化子／μg质粒DNA。