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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.
- Day/night cycles
- Diurnal transcription changes
- Photosynthetic efficiency
- Scenedesmus obliquus
- starchless mutant
FingerprintDive into the research topics of 'The diurnal transcriptional landscape of the microalga Tetradesmus obliquus'. Together they form a unique fingerprint.
Carreres, B. M. (Creator), de Jaeger, L. (Creator), Springer, J. (Creator), Barbosa, M. (Creator), Breuer, G. (Creator), van den End, F. (Creator), Kleinegris, D. M. M. (Creator), Schäffers, I. (Creator), Wolbert, E. (Creator), Zhang, H. (Creator), Lamers, P. P. (Creator), Martins dos Santos, V. (Creator), Wijffels, R. (Creator), Eggink, G. (Creator), Schaap, P. (Creator) & Martens, D. (Creator), Wageningen University, 1 Nov 2016
Transcriptional and physiological diurnal responses of Tetradesmus obliquus under light-dark cycles and nitrogen limitation
Carreres, B. M. (Creator) & Martens, D. (Creator), Wageningen University & Research, 30 May 2019
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