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Trends Microbiol. 2009 Jan;17(1):1-5. doi: 10.1016/j.tim.2008.10.002. Epub 2008 Dec 10.

Bacterial flagellar diversity and evolution: seek simplicity and distrust it?

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  • 1University of Birmingham, Birmingham, B15 2TT, UK.


Flagella are the chief organelles of motility in bacteria. In recent years, several new findings have illuminated the evolution of bacterial flagella, including cut-down versions of the organelle in Buchnera, a dispensable ATPase and structural evidence for homology between FliG (a component of the flagellar motor) and MgtE (a magnesium transporter). However, a fresh examination of the phylogenetic distribution of flagellar genes warns against a simplistic model of early flagellar evolution.

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