FIGURE 1. Scanning electron micrograph of anaerobically grown cells of strain RCB.
From the following article:
John D. Coates, Romy Chakraborty, Joseph G. Lack, Susan M. O'Connor, Kimberly A. Cole, Kelly S. Bender & Laurie A. Achenbach
Nature 411, 1039-1043(28 June 2001)
doi:10.1038/35082545

