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Haloarchaeal Carotenoids: Healthy Novel Compounds from Extreme Environments

1
Biochemistry and Molecular Biology Division, Agrochemistry and Biochemistry Department, Faculty of Sciences, University of Alicante, Ap. 99, E-03080 Alicante, Spain
2
Algal Biotechnology Group, University of Huelva and Marine International Campus of Excellence (CEIMAR), CIDERTA and Faculty of Sciences, 21071 Huelva, Spain
*
Author to whom correspondence should be addressed.
Mar. Drugs 2019, 17(9), 524; https://doi.org/10.3390/md17090524
Received: 6 August 2019 / Revised: 2 September 2019 / Accepted: 2 September 2019 / Published: 6 September 2019
Haloarchaea are halophilic microorganisms belonging to the archaea domain that inhabit salty environments (mainly soils and water) all over the world. Most of the genera included in this group can produce carotenoids at significant concentrations (even wild-type strains). The major carotenoid produced by the cells is bacterioruberin (and its derivatives), which is only produced by this kind of microbes and few bacteria, like Micrococcus roseus. Nevertheless, the understanding of carotenoid metabolism in haloarchaea, its regulation, and the roles of carotenoid derivatives in this group of extreme microorganisms remains mostly unrevealed. Besides, potential biotechnological uses of haloarchaeal pigments are poorly explored. This work summarises what it has been described so far about carotenoids from haloarchaea and their production at mid- and large-scale, paying special attention to the most recent findings on the potential uses of haloarchaeal pigments in biomedicine. View Full-Text
Keywords: haloarchaea; isoprenoid; carotenoids; bacterioruberin; natural biosources; microbial blooms; antioxidant haloarchaea; isoprenoid; carotenoids; bacterioruberin; natural biosources; microbial blooms; antioxidant
MDPI and ACS Style

Giani, M.; Garbayo, I.; Vílchez, C.; Martínez-Espinosa, R.M. Haloarchaeal Carotenoids: Healthy Novel Compounds from Extreme Environments. Mar. Drugs 2019, 17, 524.

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