Figure 1.
Morphological differences between PBP2 mutants and E. coli DH5α. (a) Microscopic photographs of E. coli DH5α (top left), MUT10167 (top right), MUT3865 (bottom left) and MUT8846 (bottom right). (b) Transverse diameters of E. coli DH5α and the PBP2 mutants (standard error indicated).