So, what are you trying to do ? Maybe someone here has the information
Chris Fields wrote:
>> 'Tis true, 'tis true. And P. aeruginosa has many pigments (pyocyanin,
> pyoverdin, pyorubrin, etc), each produced under specific conditions,
> such as iron starvation (Fur-regulated).
>> Hmm, maybe it's time to rethink this experiment!
>> "Dr. Artem Evdokimov" wrote:
> > The relation between the concentration of the siderophore and the actual
> > bacterial count can be assumed linear only under the most carefully
> > controlled conditions, if ever.
> > Chris Fields wrote:
> > >
> > > Many bacteria produce water-soluble pigments due to iron starvation; the
> > > pigments are siderophores that scavenge iron. Pseudomonas sp. and
> > > Azotobacter are but a few that do this. Azotobacter can actually be
> > > identified based on the pigments produced, much like the Pseudomonads,
> > > and can be isolated by using a defined nitrogen-free media like Burke's.
> > --
> > |Dr. Artem Evdokimov Protein Engineering |
> > | NCI-Frederick Tel. (301)846-5401 |
> > | FAX (301)846-7148 |
> > | eudokima at mail.ncifcrf.gov |
> > | http://www.ncifcrf.gov/plague |
> C. J. Fields
> Graduate Student, Dept. of Biological Sciences
> The University of North Texas
> Denton, TX
> "Giving money and power to government is like giving
> whiskey and car keys to teenage boys"
> -P. J. O'Rourke
> "Join the military. Travel to exotic places, meet
> exciting people, then kill them"
|Dr. Artem Evdokimov Protein Engineering |
| NCI-Frederick Tel. (301)846-5401 |
| FAX (301)846-7148 |
|eudokima at mail.ncifcrf.gov |