||Bacteria Escherichia coli
||Neidhardt F.C. Escherichia coli and Salmonella: Cellular and Molecular Biology. 2nd edition, ASM Press 1996 ch. 10 Robert Macnab, Flagella and motility p.12 of 34, 3rd paragraph
||Berg HC, Brown DA. Chemotaxis in Escherichia coli analysed by three-dimensional tracking. Nature. 1972 Oct 27 239(5374):500-4. AND Macnab RM, Koshland DE Jr. The gradient-sensing mechanism in bacterial chemotaxis. Proc Natl Acad Sci U S A. 1972 Sep69(9):2509-12.PubMed ID4563019, 4560688
||"The rotation speed of the filaments within the bundle is over 100 Hz (cycles s^-1) (124) and generates a swimming speed of around 25µm s^-1 (10 body lengths s^-1) at room temperature in liquid medium (primary sources)."