Choosing transportation presents numerous decisions. Something fast has its attraction, as does something fuel efficient and economical. Then again, in inclement conditions and harsh terrain something more substantial seems indispensable. Bacteria must also solve this dilemma. Optimal locomotion under different circumstances requires different equipment. Thus, although costly, it may be advantageous to possess more than one mode of motility. In this issue of the Journal of Bacteriology, Mark Pallen and his colleagues at the University of Birmingham and the Sanger Institute report that even Escherichia coli has indulged in investment in two distinct flagellar systems (43).
No takes yet. Share an insight, caveat, or question.
Linda L. McCarter (2005) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: