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Cited by 314

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Pseudomonas putida KT2442 cultivated on glucose accumulates poly(3-hydroxyalkanoates) consisting of saturated and unsaturated monomers

Open access
Huijberts, G N, Eggink, G, de Waard, P, Huisman, G W, Witholt, B·1992·Applied and Environmental Microbiology

Abstract

The biosynthesis of poly(3-hydroxyalkanoates) (PHAs) by Pseudomonas putida KT2442 during growth on carbohydrates was studied. PHAs isolated from P. putida cultivated on glucose, fructose, and glycerol were found to have a very similar monomer composition. In addition to the major constituent 3-hydroxydecanoate, six other monomers were found to be present: 3-hydroxyhexanoate, 3-hydroxyoctanoate, 3-hydroxydodecanoate, 3-hydroxydodecenoate, 3-hydroxytetradecanoate, and 3-hydroxytetradecenoate. The identity of all seven 3-hydroxy fatty acids was established by gas chromatography-mass spectrometry, one-dimensional 1H-nuclear magnetic resonance, and two-dimensional double-quantum filtered correlation spectroscopy 1H-nuclear magnetic resonance. The chemical structures of the monomer units are identical to the structure of the acyl moiety of the 3-hydroxyacyl-acyl carrier protein intermediates of de novo fatty acid biosynthesis. Furthermore, the degree of unsaturation of PHA and membrane lipids is similarly influenced by shifts in the cultivation temperature. These results strongly indicate that, during growth on nonrelated substrates, PHA monomers are derived from intermediates of de novo fatty acid biosynthesis. Analysis of a P. putida pha mutant and complementation of this mutant with the cloned pha locus revealed that the PHA polymerase genes necessary for PHA synthesis from octanoate are also responsible for PHA formation from glucose.

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Crossref · 10.1128/aem.58.2.536-544.1992

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Metadata

Authors
Huijberts, G. N., Eggink, G., de Waard, P., Huisman, G. W., & Witholt, B.
Venue
Applied and Environmental Microbiology
Published
1992-02
Volume
58
Issue
2
Pages
536-544
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W1760672256
Cited by
314
References
19
FWCI
14.10
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Pseudomonas putida KT2442 cultivated on glucose accumulates poly(3-hydroxyalkanoates) consisting of saturated and unsaturated monomers. https://app.cochat.ai/papers/10.1128/aem.58.2.536-544.1992
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Huijberts, G. N., Eggink, G., de Waard, P., Huisman, G. W., & Witholt, B. (1992). Pseudomonas putida KT2442 cultivated on glucose accumulates poly(3-hydroxyalkanoates) consisting of saturated and unsaturated monomers. Applied and Environmental Microbiology. https://doi.org/10.1128/aem.58.2.536-544.1992

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