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Review
. 2020 Feb;21(2):80-95.
doi: 10.2174/1389202921999200330152007.

Engineered Microbes for Pigment Production Using Waste Biomass

Zeba Usmani  1 , Minaxi Sharma  1 , Surya Sudheer  1 , Vijai K Gupta  1 , Rajeev Bhat  1
Affiliations
Review

Engineered Microbes for Pigment Production Using Waste Biomass

Zeba Usmani et al. Curr Genomics. 2020 Feb.

Abstract

Agri-food waste biomass is the most abundant organic waste and has high valorisation potential for sustainable bioproducts development. These wastes are not only recyclable in nature but are also rich sources of bioactive carbohydrates, peptides, pigments, polyphenols, vitamins, natural antioxidants, etc. Bioconversion of agri-food waste to value-added products is very important towards zero waste and circular economy concepts. To reduce the environmental burden, food researchers are seeking strategies to utilize this waste for microbial pigments production and further biotechnological exploitation in functional foods or value-added products. Microbes are valuable sources for a range of bioactive molecules, including microbial pigments production through fermentation and/or utilisation of waste. Here, we have reviewed some of the recent advancements made in important bioengineering technologies to develop engineered microbial systems for enhanced pigments production using agri-food wastes biomass/by-products as substrates in a sustainable way.

Keywords: Agri-food waste; bioengineering; engineered microbes; fermentation; microbial pigments; waste biomass.

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Figures

Fig. (1)
Fig. (1)
Scheme of carotenoid biosynthesis (Cheng et al.) [52]. Open Access under a Creative Commons CC-BY-NC-ND license. No changes or alterations were made in the figure. https://www.sciencedirect.com/science/article/pii/S221403011930046X#fig1. (A higher resolution / colour version of this figure is available in the electronic copy of the article).
Fig. (2)
Fig. (2)
Strategies for engineering the carotenoid biosynthesis module (Cheng et al.) [52]. Open Access under a Creative Commons CC-BY-NC-ND license. No changes or alterations were made in the figure. https://www.sciencedirect.com/science/article/pii/S221403011930046X#fig3. (A higher resolution / colour version of this figure is available in the electronic copy of the article).
Fig. (3)
Fig. (3)
The strategies applied in metabolic engineering of E. coli for the biosynthesis of anthocyanins (Zha and Koffas) [82]. Open Access under a Creative Commons CC-BY-NC-ND license. No changes or alterations were made in the figure. https://www.sciencedirect.com/science/article/pii/S2405805X17300686#fig3. (A higher resolution / colour version of this figure is available in the electronic copy of the article).
See this image and copyright information in PMC

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