Journal
BIOTECHNOLOGY ADVANCES
Volume 33, Issue 7, Pages 1433-1442Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2014.10.008
Keywords
Halophiles; Polyhydroxyalkanoates; PHB; Ectoines; Bio-surfactants; Halomonas; Industrial Biotechnology
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Funding
- 973 Basic Research Fund [2012CB725201]
- National High Tech 863 Grants [2012AA023102]
- Zhicheng Grant [2012BAD32B02]
- National Natural Science Foundation of China [31270146]
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Industrial biotechnology aims to produce chemicals, materials and biofuels to ease the challenges of shortage on petroleum. However, due to the disadvantages of bioprocesses including energy consuming sterilization, high fresh water consumption, discontinuous fermentation to avoid microbial contamination, highly expensive stainless steel fermentation facilities and competing substrates for human consumption, industrial biotechnology is less competitive compared with chemical processes. Recently, halophiles have shown promises to overcome these shortcomings. Due to their unique halophilic properties, some halophiles are able to grow in high pH and high NaCl containing medium under higher temperature, allowing fermentation processes to run contamination free under unsterile conditions and continuous way. At the same time, genetic manipulation methods have been developed for halophiles. So far, halophiles have been used to produce bioplastics polyhydroxyalkanoates (PHA), ectoines, enzymes, and bio-surfactants. Increasing effects have been made to develop halophiles into a low cost platform for bioprocessing with advantages of low energy, less fresh water consumption, low fixed capital investment, and continuous production. (C) 2014 Elsevier Inc. All rights reserved.
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