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Need help finding bacteria that produce water soluble pigments

Dr. Artem Evdokimov eudokima at mail.ncifcrf.gov
Tue Jul 10 13:26:26 EST 2001


So, what are you trying to do ? Maybe someone here has the information
:)

Artem

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
> 
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-- 
|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       |




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