EFFECTS OF CULTURE CONDITIONS ON MOLECULAR-WEIGHTS OF POLY(3-HYDROXYALKANOATES) PRODUCED BY PSEUDOMONAS-PUTIDA FROM OCTANOATE

被引：33

作者：

HORI, K

SOGA, K

DOI, Y

机构：

[1] INST PHYS & CHEM RES,POLYMER CHEM LAB,WAKO,SAITAMA 35101,JAPAN

[2] TOKYO INST TECHNOL,RESOURCES UTILIZAT RES LAB,MIDORI KU,YOKOHAMA 227,JAPAN

来源：

BIOTECHNOLOGY LETTERS | 1994年 / 16卷 / 07期

关键词：

D O I：

10.1007/BF00136476

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Time-dependent changes in the molecular weights of poly(3-hydroxyalkanoates) (P(3HA)) produced by Pseudomonas putida from octanoate were investigated. The mole ratio of carbon to nitrogen sources (C/N), incubation temperature, concentration of octanoate, and pH of culture solution were varied to study the effects of culture conditions on the yield and molecular weights of P(3HA). The molecular weights of P(3HA) decreased with time to reach a constant value during incubation. When the incubation temperature and the concentration of octanoate were low, P(3HA) polymers of high molecular weights were produced.

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页码：709 / 714

页数：6

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