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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Modulation of lipid biosynthesis by stress in diatoms
Author(s): Sayanova, Olga
Mimouni, Virginie
Ulmann, Lionel
Morant-Manceau, Annick
Pasquet, Virginie
Schoefs, Benoît
Napier, Johnathan A
Issue Date: 5-Sep-2017
Citation: Sayanova O, Mimouni V, Ulmann L, Morant-Manceau A, Pasquet V, Schoefs B & Napier JA (2017) Modulation of lipid biosynthesis by stress in diatoms. Philosophical Transactions of the Royal Society B: Biological Sciences, 372 (1728), Art. No.: 20160407.
Abstract: Diatoms are responsible for up to 40% of the carbon fixation in our oceans. The fixed carbon is moved through carbon metabolism towards the synthesis of organic molecules that are consumed through interlocking foodwebs, and this process is strongly impacted by the abiotic environment. However, it has become evident that diatoms can be used as ‘platform’ organisms for the production of high valuable bio-products such as lipids, pigments and carbohydrates where stress conditions can be used to direct carbon metabolism towards the commercial production of these compounds. In the first section of this review, some aspects of carbon metabolism in diatoms and how it is impacted by environmental factors are briefly described. The second section is focused on the biosynthesis of lipids and in particular omega-3 long-chain polyunsaturated fatty acids and how low temperature stress impacts on the production of these compounds. In a third section, we review the recent advances in bioengineering for lipid production. Finally, we discuss new perspectives for designing strains for the sustainable production of high-value lipids.
DOI Link: 10.1098/rstb.2016.0407
Rights: © 2017 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License, which permits unrestricted use, provided the original author and source are credited.

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