Petra Lehmann

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Phototrophic chromalveolates possess plastids surrounded by either 3 or 4 membranes, revealing their secondary endosymbiotic origin from an engulfed eukaryotic alga. In cryptophytes, a member of the chromalveolates, the organelle is embedded within a designated region of the host's rough endoplasmic reticulum (RER). Its eukaryotic compartments other than(More)
CONTEXT/OBJECTIVE Epidemiological studies have demonstrated that women have a significantly better prognosis in chronic renal diseases compared to men. This suggests critical influences of gender hormones on glomerular structure and function. We examined potential direct protective effects of estradiol on podocytes. METHODS Expression of estrogen receptor(More)
Blue light modulates many processes in plants and plant cells. It influences global and long-term responses, such as seedling development and phototropism, and induces short-term adaptations like stomatal opening and chloroplast movement. Three genes were identified as important for the latter process, namely PHOT1, PHOT2 and CHUP1. The former two(More)
Chloroplasts of plants move in response to variations in light intensity. One protein involved in this process is the chloroplast unusual positioning protein 1-CHUP1, which is anchored in the outer membrane of the organelle. The protein is able to interact with actin and profilin and might coordinate actin filament reformation and thereby chloroplast(More)
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