Journal
MATERIALS TODAY BIO
Volume 19, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mtbio.2023.100583
Keywords
Cyanobacteria; Synthetic biology; Engineered living materials; Biomaterials; Sustainability; Carbon sequestration
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Cyanobacteria are promising for developing carbon neutral and carbon negative technologies due to their efficient photosynthesis and easy genetic manipulation. Although researchers have demonstrated their ability to produce sustainable biomaterials, industrial application is still in its early stages.
Cyanobacteria are ideal candidates to use in developing carbon neutral and carbon negative technologies; they are efficient photosynthesizers and amenable to genetic manipulation. Over the past two decades, researchers have demonstrated that cyanobacteria can make sustainable, useful biomaterials, many of which are engineered living materials. However, we are only beginning to see such technologies applied at an industrial scale. In this review, we explore the ways in which synthetic biology tools enable the development of cyanobacteria-based bio-materials. First we give an overview of the ecological and biogeochemical importance of cyanobacteria and the work that has been done using cyanobacteria to create biomaterials so far. This is followed by a discussion of commonly used cyanobacteria strains and synthetic biology tools that exist to engineer cyanobacteria. Then, three case studies-bioconcrete, biocomposites, and biophotovoltaics-are explored as potential applications of syn-thetic biology in cyanobacteria-based materials. Finally, challenges and future directions of cyanobacterial bio-materials are discussed.
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