期刊
INDIAN JOURNAL OF MICROBIOLOGY
卷 57, 期 1, 页码 39-47出版社
SPRINGER
DOI: 10.1007/s12088-016-0622-4
关键词
Bacillus; Biowastes; Co-metabolism; Copolymers; Polyhydroxyalkanoate; Gram-positive; Gram-negative
资金
- CSIR Project INDEPTH [BSC0111]
- CSIR-Institute of Genomics and Integrative Biology (IGIB)
Polyhydroxyalkanoate (PHAs) are natural, biodegradable biopolymers, which can be produced from renewable materials. PHAs have potential to replace petroleum derived plastics. Quite a few bacteria can produce PHA under nutritional stress. They generally produce homopolymers of butyrate i.e., polyhydroxybutyrate (PHB), as a storage material. The biochemical characteristics of PHB such as brittleness, low strength, low elasticity, etc. make these unsuitable for commercial applications. Co-polymers of PHA, have high commercial value as they overcome the limitations of PHBs. Co-polymers can be produced by supplementing the feed with volatile fatty acids or through hydrolysates of different biowastes. In this review, we have listed the potential bacterial candidates and the substrates, which can be co-metabolized to produce PHA co-polymers.
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