Picochlorum celeri as a model system for robust outdoor algal growth in seawater

Abstract With fast growth rates, broad halotolerance and the ability to thrive at high temperatures, algae in the genus Picochlorum are emerging as promising biomass producers. Recently, we isolated a remarkably productive strain, Picochlorum celeri, that attains > 40 g m−2 day−1 productivities u...

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Autores principales:	Anagha Krishnan, Maria Likhogrud, Melissa Cano, Scott Edmundson, Jenna B. Melanson, Michael Huesemann, John McGowen, Joseph C. Weissman, Matthew C. Posewitz
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/29dfffa23cca41a6a95a3a20b0b6a63b
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spelling	oai:doaj.org-article:29dfffa23cca41a6a95a3a20b0b6a63b2021-12-02T18:24:54ZPicochlorum celeri as a model system for robust outdoor algal growth in seawater10.1038/s41598-021-91106-52045-2322https://doaj.org/article/29dfffa23cca41a6a95a3a20b0b6a63b2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91106-5https://doaj.org/toc/2045-2322Abstract With fast growth rates, broad halotolerance and the ability to thrive at high temperatures, algae in the genus Picochlorum are emerging as promising biomass producers. Recently, we isolated a remarkably productive strain, Picochlorum celeri, that attains > 40 g m−2 day−1 productivities using simulated outdoor light. To test outdoor productivities, Picochlorum celeri was cultivated in 820 L raceway ponds at the Arizona Center for Algae Technology and Innovation. Picochlorum celeri demonstrated the highest outdoor biomass productivities reported to date at this testbed averaging ~ 31 g m−2 day−1 over four months with a monthly (August) high of ~ 36 g m−2 day−1. Several single day productivities were > 40 g m−2 day−1. Importantly for sustainability, Picochlorum celeri achieved these productivities in saline water ranging from seawater to 50 parts per thousand sea salts, without any biocides or pond crashes, for over 143 days. Lastly, we report robust genetic engineering tools for future strain improvements.Anagha KrishnanMaria LikhogrudMelissa CanoScott EdmundsonJenna B. MelansonMichael HuesemannJohn McGowenJoseph C. WeissmanMatthew C. PosewitzNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anagha Krishnan Maria Likhogrud Melissa Cano Scott Edmundson Jenna B. Melanson Michael Huesemann John McGowen Joseph C. Weissman Matthew C. Posewitz Picochlorum celeri as a model system for robust outdoor algal growth in seawater
description	Abstract With fast growth rates, broad halotolerance and the ability to thrive at high temperatures, algae in the genus Picochlorum are emerging as promising biomass producers. Recently, we isolated a remarkably productive strain, Picochlorum celeri, that attains > 40 g m−2 day−1 productivities using simulated outdoor light. To test outdoor productivities, Picochlorum celeri was cultivated in 820 L raceway ponds at the Arizona Center for Algae Technology and Innovation. Picochlorum celeri demonstrated the highest outdoor biomass productivities reported to date at this testbed averaging ~ 31 g m−2 day−1 over four months with a monthly (August) high of ~ 36 g m−2 day−1. Several single day productivities were > 40 g m−2 day−1. Importantly for sustainability, Picochlorum celeri achieved these productivities in saline water ranging from seawater to 50 parts per thousand sea salts, without any biocides or pond crashes, for over 143 days. Lastly, we report robust genetic engineering tools for future strain improvements.
format	article
author	Anagha Krishnan Maria Likhogrud Melissa Cano Scott Edmundson Jenna B. Melanson Michael Huesemann John McGowen Joseph C. Weissman Matthew C. Posewitz
author_facet	Anagha Krishnan Maria Likhogrud Melissa Cano Scott Edmundson Jenna B. Melanson Michael Huesemann John McGowen Joseph C. Weissman Matthew C. Posewitz
author_sort	Anagha Krishnan
title	Picochlorum celeri as a model system for robust outdoor algal growth in seawater
title_short	Picochlorum celeri as a model system for robust outdoor algal growth in seawater
title_full	Picochlorum celeri as a model system for robust outdoor algal growth in seawater
title_fullStr	Picochlorum celeri as a model system for robust outdoor algal growth in seawater
title_full_unstemmed	Picochlorum celeri as a model system for robust outdoor algal growth in seawater
title_sort	picochlorum celeri as a model system for robust outdoor algal growth in seawater
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/29dfffa23cca41a6a95a3a20b0b6a63b
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Picochlorum celeri as a model system for robust outdoor algal growth in seawater

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