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 |
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