In vivo osmotic coefficients ϕ

Range 0.54±0.06 for cells grown at 0.10 OSM: 0.71±0.11 at 0.28 OSM Unitless
Organism Bacteria Escherichia coli
Reference Cayley S, Lewis BA, Guttman HJ, Record MT Jr. Characterization of the cytoplasm of Escherichia coli K-12 as a function of external osmolarity. Implications for protein-DNA interactions in vivo. J Mol Biol. 1991 Nov 20 222(2):281-300 p.281 2nd paragraphPubMed ID1960728
Comments "The values obtained (?=0.54(±0.06) for cells grown at 0.10 OSM and ?=0.71(±O.11) at 0.28 OSM) indicate a high degree of non-ideality of intracellular ions arising from coulombic interactions between K+ and cytoplasmic polyanions."
Entered by Uri M
ID 108417