M
Matthias Sachse
Researcher at University of Konstanz
Publications - 6
Citations - 405
Matthias Sachse is an academic researcher from University of Konstanz. The author has contributed to research in topics: Phaeodactylum tricornutum & Cell cycle checkpoint. The author has an hindex of 6, co-authored 6 publications receiving 347 citations.
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High light acclimation in the secondary plastids containing diatom Phaeodactylum tricornutum is triggered by the redox state of the plastoquinone pool
Bernard Lepetit,Sabine Sturm,Alessandra Rogato,Ansgar Gruber,Matthias Sachse,Angela Falciatore,Peter G. Kroth,Johann Lavaud +7 more
TL;DR: The results emphasize strong evidence for the existence of a plastid-to-nucleus retrograde signaling mechanism in an organism with plastids that derived from secondary endosymbiosis and underline the central role of the redox state of the PQ pool in the light acclimation of diatoms.
Journal ArticleDOI
AUREOCHROME1a-Mediated Induction of the Diatom-Specific Cyclin dsCYC2 Controls the Onset of Cell Division in Diatoms (Phaeodactylum tricornutum)
Marie J. J. Huysman,Antonio Emidio Fortunato,Michiel Matthijs,Benjamin Schellenberger Costa,Rudy Vanderhaeghen,Hilde Van den Daele,Matthias Sachse,Dirk Inzé,Chris Bowler,Peter G. Kroth,Christian Wilhelm,Angela Falciatore,Wim Vyverman,Lieven De Veylder +13 more
TL;DR: It is demonstrated that diatom-specific cyclin 2 (dsCYC2) in Phaeodactylum tricornutum displays a transcriptional peak within 15 min after light exposure, long before the onset of cell division.
Journal ArticleDOI
Aureochrome 1a Is Involved in the Photoacclimation of the Diatom Phaeodactylum tricornutum
Benjamin Schellenberger Costa,Matthias Sachse,Anne Jungandreas,Carolina Río Bártulos,Ansgar Gruber,Torsten Jakob,Peter G. Kroth,Christian Wilhelm +7 more
TL;DR: Aureochromes constitute a family of blue light (BL) receptors which are found exclusively in heterokont algae such as diatoms and yellow-green algae and their role in light acclimation is unclear, but strikingly AUREO1a silenced strains exhibited phenotypic differences compared to wild type cells during cultivation under BL as well as under red light (RL) conditions.
Journal ArticleDOI
Blue-light-induced unfolding of the Jα helix allows for the dimerization of aureochrome-LOV from the diatom Phaeodactylum tricornutum.
TL;DR: The LOV domain of aureochrome1a from the diatom Phaeodactylum tricornutum is investigated both with and without the Jα helix, and Fourier transform infrared difference spectroscopy provides evidence that the J α helix unfolds upon illumination, prerequisite for light-induced dimerization of LOV.
Identification and evaluation of endogenous reference genes for steady state transcript quantification by qPCR in the diatom Phaeodactylum tricornutum with constitutive expression independent from time and light
TL;DR: A set of three endogenous reference genes was found to be stably expressed in a light and time independent manner: the TATA box binding protein TBP, the ribosomal protein S1 RPS and the hypoxanthine-guanine phosphoribosyltransferase HPRT.