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The Fluorescent Pigment of Pseudomonas fluorescens: Biosynthesis, Purification and Physicochemical Properties
Abstract
The biosynthesis of a yellow–green, fluorescent, water-soluble pigment by Pseudomonas fluorescens occurred only when the bacteria were iron-deficient and was not directly influenced by the nature of the organic carbon source. The pigment formed a very stable Fe3+ complex and was purified in this form. Pseudomonas fluorescens produced only one molecular species of fluorescent pigment; however, its lability under mild alkaline conditions led to the formation of several pigmented decomposition products. The spectral properties of the pure pigment, its molecular weight (1500 ± 75) and its stability constant for Fe3+ (of the order of 1032) were determined. Both its biosynthesis and its chemical properties (formation of a stable Fe3+ complex) suggest that the fluorescent pigment is a desferrisiderophore.
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“As presented in Section 3, P. aeruginosa produces two endogenous siderophores, a more energy demanding high affinity molecule, PVD [76] and a lower affinity siderophore, PCH [77].”
From A Review of Asbestos Bioweathering by Siderophore-Producing Pseudomonas: A Potential Strategy of Bioremediation (2020) · cites this paper as [76]
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Cited by
Bakker, A. W., & Schippers, B. (1987) · Soil Biology and Biochemistry · doi:10.1016/0038-0717(87)90037-x · Cited by 1,051
Siderophore activity of pyoverdin for Pseudomonas aeruginosa
Cox, C. D., & Adams, P. (1985) · Infection and Immunity · doi:10.1128/iai.48.1.130-138.1985 · Cited by 271
Ratliff, M., Zhu, W., Deshmukh, R., Wilks, A., & Stojiljkovic, I. (2001) · Journal of Bacteriology · doi:10.1128/jb.183.21.6394-6403.2001 · Cited by 221
Iron requirement and search for siderophores in lactic acid bacteria
Pandey, A., Bringel, F., & Meyer, J.-M. (1994) · Applied Microbiology and Biotechnology · doi:10.1007/bf00173337 · Cited by 117
Self-citationPalleroni, N. J. (2015) · Bergey's Manual of Systematics of Archaea and Bacteria · doi:10.1002/9781118960608.gbm01210 · Cited by 85
Metadata
- Authors
- MEYER, J. M., & ABDALLAH, M. A.
- Venue
- Journal of General Microbiology
- Publisher
- Microbiology Society
- Published
- 1978-08-01
- Volume
- 107
- Issue
- 2
- Pages
- 319-328
- ISSN
- 0022-1287 (ISSN-L)
- OpenAlex
- W2149224477
- Cited by
- 844
- References
- 0
- FWCI
- 4.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- MEYER, J. M., & ABDALLAH, M. A. (1978). The Fluorescent Pigment of Pseudomonas fluorescens: Biosynthesis, Purification and Physicochemical Properties. Journal of General Microbiology. https://doi.org/10.1099/00221287-107-2-319
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
