Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19882
Title: Effect of C:N molar ratio on monomer composition of polyhydroxyalkanoates produced by Pseudomonas mendocina 0806 and Pseudomonas pseudoalkaligenus YS1
Authors: Hong, K
Chen, GQ
Yu, PHF
Zhang, G
Liu, Y
Chua, H
Keywords: Polyhydroxyalkanoates
Polyhydroxybutyrate
Pseudomonas mendocina
Pseudomonas pseudoalkaligenus
Issue Date: 2000
Publisher: Humana Press
Source: Applied biochemistry and biotechnology, 2000, v. 84-86, p. 971-980 How to cite?
Journal: Applied biochemistry and biotechnology 
Abstract: Polyhydroxyalkanoates (PHAs) are biodegradable polymers produced by bacteria. In this study, the effect of C:N molar ratio on the monomer composition of PHAs was investigated, including medium chain length PHA produced by Pseudomonas mendocina 0806 and PHA blends consisting of monomers of 3-hydroxybutyrate and medium chain length hydroxyalkanoate produced by Pseudomonas pseudoalkaligenus YS1. It was observed that there were some fixed ranges of C:N molar ratio that affect the monomer composition of PHA independently of the substrate. For strain 0806, the ranges were C:N < 20, 20 < C:N < 200, and C:N > 200. The monomer composition was constant among these ranges when using glucose and octanoate as the sole substrate. For strain YS1, the ranges were C:N < 20, 20 < C:N < 45, and C:N > 45. These results are useful for controlling monomer composition in PHA production.
URI: http://hdl.handle.net/10397/19882
ISSN: 0273-2289
EISSN: 1559-0291
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