Abstract
Measurements of the variance in rotation period of tethered cells as a function of mean rotation rate have shown that the flagellar motor of Escherichia coli is a stepping motor. Here, by measurement of the variance in rotation period as a function of the number of active torque-generating units, it is shown that each unit steps independently.
Publication types
-
Research Support, Non-U.S. Gov't
-
Research Support, U.S. Gov't, Non-P.H.S.
-
Research Support, U.S. Gov't, P.H.S.
MeSH terms
-
Bacterial Proteins / biosynthesis
-
Bacterial Proteins / chemistry
-
Bacterial Proteins / physiology*
-
Chemotaxis
-
Escherichia coli / genetics
-
Escherichia coli / physiology*
-
Flagella / physiology*
-
Genes, Bacterial
-
Genotype
-
Isopropyl Thiogalactoside / pharmacology
-
Membrane Proteins / genetics
-
Membrane Proteins / physiology*
-
Methyl-Accepting Chemotaxis Proteins
-
Recombinant Proteins / biosynthesis
-
Recombinant Proteins / chemistry
-
Rotation
-
Torque
Substances
-
Bacterial Proteins
-
Membrane Proteins
-
Methyl-Accepting Chemotaxis Proteins
-
MotA protein, Bacteria
-
Recombinant Proteins
-
Isopropyl Thiogalactoside