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Review of the structures and functions of algal photoreceptors to optimize bioproduct production with novel bioreactor designs for strain improvement
journal contribution
posted on 2023-10-23, 02:37 authored by U Shankar, S K Lenka, Leigh AcklandLeigh Ackland, Damien CallahanDamien CallahanMicroalgae are important renewable feedstock to produce biodiesel and high-value chemicals. Different wavelengths of light influence the growth and metabolic activities of algae. Recent research has identified the light-sensing proteins called photoreceptors that respond to blue or red light. Structural elucidations of algal photoreceptors have gained momentum over recent years. These include channelrhodopsins, PHOT proteins, animal-like cryptochromes, and blue-light sensors utilizing flavin-adenine dinucleotide proteins. Pulsing light has also been investigated as a means to optimize energy inputs into bioreactors. This study summarizes the current structural and functional basis of photoreceptor modulation to optimize the growth, production of carotenoids and other high-value metabolites from microalgae. The review also encompasses novel photobioreactor designs that implement different light regimes including light wavelengths and time to optimize algal growth and desired metabolite profiles for high-value products.
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Journal
Biotechnology and BioengineeringVolume
119Pagination
2031 - 2045Location
London, Eng.Publisher DOI
ISSN
0006-3592eISSN
1097-0290Language
engPublication classification
C1 Refereed article in a scholarly journalUsage metrics
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aureochromescarotenoidschannelrhodopsinscryptochromesmicroalgaephotoreceptorsScience & TechnologyLife Sciences & BiomedicineBiotechnology & Applied MicrobiologyBLUE-LIGHT PHOTORECEPTORHARVESTING CHLOROPHYLL ANTENNACHLAMYDOMONAS-REINHARDTIICAROTENOID BIOSYNTHESISRIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE\/OXYGENASECRYPTOCHROME\/PHOTOLYASE FAMILYPHOTOSYNTHETIC PRODUCTIVITYHAEMATOCOCCUS-PLUVIALISAIRLIFT PHOTOBIOREACTORPHOTOREACTION DYNAMICS
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