Figure 4.

EM reconstructions of basal bodies of the flagellum and type III injectisome of Salmonella. (A) Model of the bacterial hook-basal-body complex based on EM reconstructions (Derosier 2006). (B, C) Surface renderings of the injectisome basal body and needle structure based on EM reconstruction data EmDep Database accession number EMD1100 (Marlovits et al. 2004). (B) View of the injectisome basal body complex from the cytoplasm and (C) side-view of the injectisome basal body with attached needle. (A, Reprinted, with permission, from Derosier 2006 [© Elsevier]; B, C, based on Marlovits et al. 2004 [© AAAS].)