no g = 3.65 signal ( an electron paramagnetic resonance signal characteristic of the mo-containing component of nitrogenase ) was detectable in these cells , regardless of whether v or re was present during growth of these cells , these results are discussed from the perspective that the well-known effect of v on n2 fixation by a. vinelandii may involve an alternative n2 fixation system .
C0007634
cells
C0007595
growth of