The home stretch, a first analysis of the nearly completed genome of Rhodobacter sphaeroides 2.4.1 by Mackenzie, C, Choudhary, M, Larimer, F, Predki, P, Stilwagen, S, Armitage, J, Barber, R, Donohue, T, Hosler, J, Newman, J, Shapleigh, J, Sockett, R, Zeilstra-Ryalls, J, Kaplan, S