The nutritional selectivity of a siderophore-catabolizing bacterium

DeAngelis, Rosemary, Forsyth, Michelle and Castignetti, Domenic 1993, The nutritional selectivity of a siderophore-catabolizing bacterium, BioMetals, vol. 6, no. 4, pp. 234-238.

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Title The nutritional selectivity of a siderophore-catabolizing bacterium
Author(s) DeAngelis, Rosemary
Forsyth, Michelle
Castignetti, Domenic
Journal name BioMetals
Volume number 6
Issue number 4
Start page 234
End page 238
Publisher Kluwer Academic Publishers
Place of publication Amsterdam, The Netherlands
Publication date 1993-12
ISSN 0966-0844
1572-8773
Keyword(s) deferrioxamine B
nutritional selectivity
rhodotorulic acid
siderophore catabolism
Summary The ability of a siderophore-catabolizing bacterium to assimilate ferric ion was examined. While the bacterium utilizes the siderophore deferrioxamine B (DFB) as a carbon source, it was incapable of using the ferricion analogue (ferrioxamine B) as an iron source. It did, however, assimilate the ferric ion of the chelator ferric nitrilotriacetic acid and of the siderophore ferrirhodotorulic acid (ferriRA). Neither ferriRA nor its deferrated analog (RA), however, were capable of functioning as carbon sources for the bacterium. The microbe thus employs a nutritional selectivity with respect to these two siderophores. That is, it does not use the siderophore it employs as a carbon source (DFB) as an iron source nor does the siderophore utilized as an iron source, i.e. ferriRA, nor its deferrated analog (RA), serve as carbon sources for the organism.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1993, Rapid Communications of Oxford Ltd
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030103

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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