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February 1, 1992Applied and Environmental MicrobiologyOpen Access

Effect of nitrogen limitation on long-side-chain poly-beta-hydroxyalkanoate synthesis by Pseudomonas resinovorans

B. Ramsay Ilie Saracovan J. A. Ramsay R. H. Marchessault

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Abstract

Pseudomonas resinovorans produced poly-beta-hydroxyalkanoates (PHAs) when grown on hydrocarbons but not on glucose. In a chemostat culture, the PHA composition was beta-hydroxybutyrate (C4)-beta-hydroxyhexanoate (C6)-beta-hydroxyoctanoate (C8)-beta-hydroxydecanoate (C10) (1:15:75:9) on octanoate and C4-C6-C8-C10 (8:62:23:7) on hexanoic acid. Contrary to the reported behavior of Pseudomonas oleovorans, the PHA accumulation rate increased under ammonium limitation on octanoate.

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Ramsay et al. (1992) studied this question.

synapsesocial.com/papers/6a77ab043da069e66cbdbd77 https://doi.org/10.1128/aem.58.2.744-746.1992

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