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The localization of CheA2 in aerobically grown cells is significantly affected by a deletion of cheW2 (A), only slightly affected by the deletion of cheW3 under aerobic conditions (B), and moderately affected by the deletion of cheW3 under photoheterotrophic conditions (C). The micrographs show the location of CheA2 as detected by immunoelectron microscopy experiments using an antibody to CheA2.
