Katrin Philippar
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View article: The chloroplast ionome shines new light on organellar Fe homeostasis
The chloroplast ionome shines new light on organellar Fe homeostasis Open
Annually, chloroplasts fix 258 billion tons of CO 2 through photosynthesis. Photosynthesis and other biochemical pathways require specific amounts of metal ions in the organelle. Transport proteins in the plastid inner envelope maintain th…
View article: Degradation of FATTY ACID EXPORT PROTEIN1 by RHOMBOID-LIKE PROTEASE11 contributes to cold tolerance in Arabidopsis
Degradation of FATTY ACID EXPORT PROTEIN1 by RHOMBOID-LIKE PROTEASE11 contributes to cold tolerance in Arabidopsis Open
Plants need to acclimate to different stresses to optimize growth under unfavorable conditions. In Arabidopsis (Arabidopsis thaliana), the abundance of the chloroplast envelope protein FATTY ACID EXPORT PROTEIN1 (FAX1) decreases after the …
View article: Degradation of Fatty Acid Export Protein1 by Rhomboid-Like Protease11 Contributes to Cold Tolerance in Arabidopsis
Degradation of Fatty Acid Export Protein1 by Rhomboid-Like Protease11 Contributes to Cold Tolerance in Arabidopsis Open
Plants need to adapt to different stresses to optimize growth under unfavorable conditions. The abundance of the chloroplast envelope located Fatty Acid Export Protein1 (FAX1) decreases after the onset of low temperatures. However, it was …
View article: Plastid fatty acid export (FAX) proteins in<i>Arabidopsis thaliana</i>- the role of FAX1 and FAX3 in growth and development
Plastid fatty acid export (FAX) proteins in<i>Arabidopsis thaliana</i>- the role of FAX1 and FAX3 in growth and development Open
In plant cells, fatty acid (FA) synthesis occurs in the plastid stroma and thus requires subsequent FA export for lipid assembly in the endoplasmic reticulum. In this context, the membrane-intrinsic protein FAX1 has been described to media…
View article: Fatty acid export (FAX) proteins contribute to oil production in the green microalga Chlamydomonas reinhardtii
Fatty acid export (FAX) proteins contribute to oil production in the green microalga Chlamydomonas reinhardtii Open
In algae and land plants, transport of fatty acids (FAs) from their site of synthesis in the plastid stroma to the endoplasmic reticulum (ER) for assembly into acyl lipids is crucial for cellular lipid homeostasis, including the biosynthes…
View article: A Novel Prokaryote-Type ECF/ABC Transporter Module in Chloroplast Metal Homeostasis
A Novel Prokaryote-Type ECF/ABC Transporter Module in Chloroplast Metal Homeostasis Open
During evolution, chloroplasts, which originated by endosymbiosis of a prokaryotic ancestor of today's cyanobacteria with a eukaryotic host cell, were established as the site for photosynthesis. Therefore, chloroplast organelles are loaded…
View article: Plant-Specific Preprotein and Amino Acid Transporter Proteins Are Required for tRNA Import into Mitochondria
Plant-Specific Preprotein and Amino Acid Transporter Proteins Are Required for tRNA Import into Mitochondria Open
A variety of eukaryotes, in particular plants, do not contain the required number of tRNAs to support the translation of mitochondria-encoded genes and thus need to import tRNAs from the cytosol. This study identified two Arabidopsis (Arab…
View article: Chloroplast Iron Transport Proteins – Function and Impact on Plant Physiology
Chloroplast Iron Transport Proteins – Function and Impact on Plant Physiology Open
Chloroplasts originated about three billion years ago by endosymbiosis of an ancestor of today's cyanobacteria with a mitochondria-containing host cell. During evolution chloroplasts of higher plants established as the site for photosynthe…