期刊
MARINE DRUGS
卷 19, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/md19030159
关键词
bioplastics; polyhydroxyalkanoates (PHA); polyhydroxybutyrate (PHB); polyhydroxyvalerate (PHV); haloarchaea
资金
- European Comission
- MINECO Spain [RTI2018-099860B-I00]
- University of Alicante, Spain [VIGROB-309]
- INFO Region de Murcia, Spain [2020.08.CT01.0039]
- DSR, University of Jeddah, Jeddah, Saudi Arabia [UJ-02-015-ICGR]
Plastic pollution is a global concern, with recycling being difficult. New research focuses on finding environmentally friendly bioplastics, with haloarchaea being studied for their ability to produce significant amounts of bioplastics. Microbes like haloarchaea show potential for industrial scale production of valuable products, reducing environmental pollution caused by petroleum-based plastics.
Plastic pollution is a worldwide concern causing the death of animals (mainly aquatic fauna) and environmental deterioration. Plastic recycling is, in most cases, difficult or even impossible. For this reason, new research lines are emerging to identify highly biodegradable bioplastics or plastic formulations that are more environmentally friendly than current ones. In this context, microbes, capable of synthesizing bioplastics, were revealed to be good models to design strategies in which microorganisms can be used as cell factories. Recently, special interest has been paid to haloarchaea due to the capability of some species to produce significant concentrations of polyhydroxyalkanoate (PHA), polyhydroxybutyrate (PHB), and polyhydroxyvalerate (PHV) when growing under a specific nutritional status. The growth of those microorganisms at the pilot or industrial scale offers several advantages compared to that of other microbes that are bioplastic producers. This review summarizes the state of the art of bioplastic production and the most recent findings regarding the production of bioplastics by halophilic microorganisms with special emphasis on haloarchaea. Some protocols to produce/analyze bioplastics are highlighted here to shed light on the potential use of haloarchaea at the industrial scale to produce valuable products, thus minimizing environmental pollution by plastics made from petroleum.
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