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Poly(beta-hydroxybutyrate) production by a moderate halophile, Halomonas boliviensis LC1

In English

Författare

Summary, in English

The moderate halophile Halomonas boliviensis, isolated from a Bolivian saline soil sample, was able to accumulate poly(P-hydroxybutyrate) (PHB) when grown under conditions of nutrient limitation and excess carbon source. The concentration of sodium chloride in the medium influenced the cell-growth, -size, and rate of PHB accumulation. Cultivation in shake flasks led to a PHB accumulation of about 54 wt.% with respect to cell dry weight at 4.5% (w/v) NaCl in a medium with butyric acid and sodium acetate as carbon sources. The production of PHB was substantially improved to a maximum value of 88 wt.% during cultivation under controlled conditions of pH and oxygen concentration in a fermentor. The use of glucose and sucrose, respectively, as carbon source could also lead to the production of PHB at an average level of 55 wt.%. (c) 2005 Elsevier Inc. All rights reserved.

Avdelning/ar

Publiceringsår

2006

Språk

Engelska

Sidor

148-154

Publikation/Tidskrift/Serie

Enzyme and Microbial Technology

Volym

38

Issue

1-2

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Industrial Biotechnology

Nyckelord

  • carbon source
  • poly(beta-hydroxybutyrate)
  • halonionas boliviensis
  • moderate halophile
  • (PHB) accumulation

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0141-0229