average newborn cell ~2.5: average for a population in all stages of growth ~3.9 unitless
||Bacteria Escherichia coli
||Young KD. The selective value of bacterial shape. Microbiol Mol Biol Rev. 2006 Sep70(3):660-703 DOI: 10.1128/MMBR.00001-06 p.679 right column 4th paragraphPubMed ID16959965
|| Cooper, S., and M. W. Denny. 1997. A conjecture on the relationship of bacterial shape to motility in rod-shaped bacteria. FEMS Microbiol. Lett. 148: 227-231 link
||P.679 right column 4th paragraph: "An average newborn E. coli cell has a length-to-width ratio of ∼2.5, and the average for a population in all stages of growth is ∼3.9 (primary source)."