Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 550164
Title The diurnal transcriptional landscape of the microalga Tetradesmus obliquus
Author(s) Carreres, Benoit M.; Mitsue León-Saiki, G.; Schaap, Peter J.; Remmers, Ilse M.; Veen, Douwe van der; Martins dos Santos, Vitor A.P.; Wijffels, René H.; Martens, Dirk E.; Suarez-Diez, Maria
Source Algal Research 40 (2019). - ISSN 2211-9264
Department(s) Systems and Synthetic Biology
Bioprocess Engineering
Publication type Refereed Article in a scientific journal
Publication year 2019
Availibility Full text available from 2021-04-15
Keyword(s) Day/night cycles - Diurnal transcription changes - Microalgae - Photosynthetic efficiency - Scenedesmus obliquus - starchless mutant

Tetradesmus obliquus is a promising oleaginous microalga. We functionally annotated its genome and characterized the transcriptional landscape of T. obliquus adapted to 16:8 h light dark (LD) cycles in turbidostat culture conditions at very high temporal resolution (1 h intervals). Revealing a cycle of cellular events, six distinct expression profiles were obtained, each with transcriptional phenotypes correlating with measurements of biochemical composition. The impact of starch deficiency was studied using the starchless mutant slm1. Significant changes in the transcriptional landscape were observed. Starch deficiency resulted in incapacity to supply energy during the dark period, resulting in a shift of energy demanding processes to an earlier or later time point. Our study provides new perspectives on the role of starch and the adaptation to LD cycles of oleaginous microalgae.

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