A review on production of poly β hydroxybutyrates from cyanobacteria for the production of bio plastics

被引:111
作者
Balaji, Sundaramoorthy [1 ]
Gopi, Kadiyala [1 ]
Muthuvelan, Bhaskaran [1 ]
机构
[1] VIT Univ, Sch Bio Sci & Technol, Vellore 632014, Tamil Nadu, India
来源
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS | 2013年 / 2卷 / 03期
关键词
Bio plastics; Biopolymer; Poly-beta-hydroxybutyrate; PHB; Cyanobacteria; RECOMBINANT ESCHERICHIA-COLI; CHAIN-LENGTH-POLYHYDROXYALKANOATES; INFRARED CORRELATION SPECTROSCOPY; HYDROGEN-PRODUCTION; WASTE-WATER; ALCALIGENES-EUTROPHUS; BIOSYNTHESIS GENES; ACTIVATED-SLUDGE; MIXED CULTURE; BIODEGRADABLE POLYMERS;
D O I
10.1016/j.algal.2013.03.002
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
The increasing effect of non-degradable plastic wastes is a growing concern. As an alternative, researches are being attempted from living resource to produce bio plastics on the basis of their biodegradability. Due to their cost effect nature, now the scientists are searching an alternative resource like photoautotrophic cyanobacteria. In this review the promising importance and growing awareness of using cyanobacteria as PHB resource are being reported. Many publications evidenced that various cyanobacterial species accumulate intracellular poly-beta-hydroxybutyrate granules as energy and carbon reserves inside their cells when they are in stress conditions. PHB is biodegradable, environmental friendly and biocompatible thermoplastics. Varying in toughness and flexibility, depending on their formulation, they can be used in various ways similar to many non-biodegradable petrochemical plastics currently in use. Promising strategies involve genetic engineering of microorganisms to introduce production pathways are being investigated for the past two decades. Such kind of researches focusing on the use of alternative substrates, novel extraction methods, genetically enhanced species and mixed cultures with a view to make PHB from cyanobacteria (blue green algae) more commercially attractive are presented and discussed. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码:278 / 285
页数:8
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