| abstract |
A genetically engineered bacterium with a modification in one or more genes selected from: NAC, ptsH, iaaA, gltA, pga, sdiA, fimA1, fimA2, fimA3, fimA4, wzxE, bolA, iscR, fhuF, sodA, sodB, sodC, FNR, arcA, arcB, rpoS, sbnA, treA, treB, phoP, phoQ, yjjPB, ychM, dauA, actP, yusV1, yieL1, yieL2, yieL3, yieL4, pgaB, rafA, melA, uidA, manA, abfA, abnA, lacZ, and yusV2 is disclosed. Methods of use of the genetically engineered bacterium to provide fixed nitrogen to plants, and compositions including the bacterium are also provided. |