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Can J Microbiol. 1991 Aug;37(8):654-7.

Siderophore synthesis by mucoid Pseudomonas aeruginosa strains isolated from cystic fibrosis patients.

Author information

1
Department of Biology, Loyola University-Chicago, IL 60626.

Abstract

Nonmucoid Pseudomonas aeruginosa responds to iron deprivation by synthesizing the siderophores pyochelin and pyoverdine. When grown in iron-deficient medium, six mucoid P. aeruginosa strains isolated from cystic fibrosis patients synthesized copious amounts of the exopolysaccharide alginate. A procedure that eliminated the interference of alginate was developed so that siderophores could be extracted from the growth medium. All six isolates were then noted to produce both pyoverdine and pyochelin. This report thus confirms that mucoid P. aeruginosa, like its nonmucoid counterparts, elicits the siderophores commonly cited as those of the microbe.

PMID:
1835428
DOI:
10.1139/m91-111
[Indexed for MEDLINE]

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