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Consolidated bioprocessing for production of polyhydroxyalkanotes from red algae Gelidium amansii.

Abstract：

:Noncompetitive carbon sources such as algae are unconventional and promising raw material for sustainable biofuel production. The capability of one marine bacterium, Saccharophagus degradans 2-40 to degrade red seaweed Gelidium amansii for production of polyhydroxyalkanoates (PHA) was evaluated in this study. S. degradans can readily attach to algae, degrade algal carbohydrates, and utilize that material as main carbon source. Minimal media containing 8g/L G. amansii were used for the growth of S. degradans. The PHA content obtained was 17-27% of dry cell weight by pure culture of S. degradans and co-culture of S. degradans and Bacillus cereus, a contaminant found with S. degradans cultures. The PHA type was found to be poly(3-hydroxybutyrate) by gas chromatography and Fourier transform-infrared spectroscopy. This work demonstrates PHA production through consolidated bioprocessing of insoluble, untreated red algae by bacterial pure culture and co-culture.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Sawant SS,Salunke BK,Kim BS

doi

10.1016/j.ijbiomac.2017.11.084

subject

Has Abstract

pub_date

2018-04-01 00:00:00

pages

1012-1018

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(17)33631-0

journal_volume

109

pub_type

杂志文章

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