IUBio

mass of bacteria

Nicholas Landau njl2q at virginia.edu
Mon Apr 8 23:50:12 EST 2002


Page 8, first edition (I think... it doesn't say which edition anywhere, so I
assume that means first edition).

Cheers  --Nick

Em wrote:

> "Nicholas Landau" <njl2q at virginia.edu> wrote in message
> news:3CB11E37.D05743F9 at virginia.edu...
> >
> > For what it is worth, Neidhardt et al. do list a figure for the dry weight
> of a
> > single E. coli cell in their microbial physiology text."  The figure they
> list
> > is 2.9 E-13 g.  The do not include any citations for this figure
> specifically,
> > but they do state that it is "an average of many measurements..."
> Neidhardt,
> > F.C., J. L. Ingraham, and M. Schaecher.  1990.  Physiology of the
> Bacterial
> > Cell.  Sunderland, Mass: Sinauer Associates.
>
> On what page in Neidhardt did you find it? I wonder where I could have made
> a mistake, because I based my estimations on my own experience with other
> bacteria of similar size to E.coli, but spherical. As far as I remember,
> 10^9 dry cells from a liter of culture weighed in the range of 1g pretty
> consistently for me about 6 years ago :-).
>
> >
> > Would you like the mailing address for that egg?
>
> No I have the book.
>
> >
> > Incidentally, who said that the largest viruses are larger than the
> smallest
> > bacteria?  I have to admit, I know little about viruses, but I can hardly
> > believe that statement is true.  What virus is as large as a bacterium?
>
> Pox virus is 0.25 x 0.5 micron...
>
> - Emir




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