Search Results - "Bédard, Jocelyn"
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Uncovering the Protein Translocon at the Chloroplast Inner Envelope Membrane
Published in Science (American Association for the Advancement of Science) (01-02-2013)“…Chloroplasts require protein translocons at the outer and inner envelope membranes, termed TOC and TIC, respectively, to import thousands of cytoplasmically…”
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A Ycf2-FtsHi Heteromeric AAA-ATPase Complex Is Required for Chloroplast Protein Import
Published in The Plant cell (01-11-2018)“…Chloroplasts import thousands of nucleus-encoded preproteins synthesized in the cytosol through the TOC and TIC translocons on the outer and inner envelope…”
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DUNEScan: a web server for uncertainty estimation in skin cancer detection with deep neural networks
Published in Scientific reports (07-01-2022)“…Recent years have seen a steep rise in the number of skin cancer detection applications. While modern advances in deep learning made possible reaching new…”
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Suppressors of the Chloroplast Protein Import Mutant tic40 Reveal a Genetic Link between Protein Import and Thylakoid Biogenesis
Published in The Plant cell (01-07-2017)“…To extend our understanding of chloroplast protein import and the role played by the import machinery component Tic40, we performed a genetic screen for…”
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Functional Analysis of the Hsp93/ClpC Chaperone at the Chloroplast Envelope
Published in Plant physiology (Bethesda) (01-01-2016)“…The Hsp100-type chaperone Hsp93/ClpC has crucial roles in chloroplast biogenesis. In addition to its role in proteolysis in the stroma, biochemical and genetic…”
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Mutations in the chloroplast inner envelope protein TIC100 impair and repair chloroplast protein import and impact retrograde signaling
Published in The Plant cell (30-07-2022)“…Chloroplast biogenesis requires synthesis of proteins in the nucleocytoplasm and the chloroplast itself. Nucleus-encoded chloroplast proteins are imported via…”
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Omp85-Related Chloroplast Outer Envelope Protein OEP80 Is Essential for Viability in Arabidopsis
Published in Plant physiology (Bethesda) (01-09-2008)“…β-Barrel proteins of the Omp85 (Outer membrane protein, 85 kD) superfamily exist in the outer membranes of Gram-negative bacteria, mitochondria, and…”
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Further in vivo studies on the role of the molecular chaperone, Hsp93, in plastid protein import
Published in The Plant journal : for cell and molecular biology (01-04-2007)“…Summary In Arabidopsis, Hsp93 is encoded by two genes, atHSP93‐V and atHSP93‐III. We identified two T‐DNA mutants for atHSP93‐III: one being a partial…”
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In Vivo Analyses of the Roles of Essential Omp85-Related Proteins in the Chloroplast Outer Envelope Membrane
Published in Plant physiology (Bethesda) (01-09-2011)“…Two different, essential Omp85 (Outer membrane protein, 85 kD)-related proteins exist in the outer envelope membrane of Arabidopsis (Arabidopsis thaliana)…”
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role for SENSITIVE TO FREEZING2 in protecting chloroplasts against freeze-induced damage in Arabidopsis
Published in The Plant journal : for cell and molecular biology (01-09-2008)“…The SENSITIVE TO FREEZING2 (SFR2) gene has an important role in freezing tolerance in Arabidopsis thaliana. We show that homologous genes are present, and…”
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In vivo studies on the roles of Tic110, Tic40 and Hsp93 during chloroplast protein import
Published in The Plant journal : for cell and molecular biology (01-02-2005)“…A multisubunit translocon of the inner envelope membrane, termed Tic, mediates the late stages of protein import into chloroplasts. Membrane proteins, Tic110…”
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Functional Similarity between the Chloroplast Translocon Component, Tic40, and the Human Co-chaperone, Hsp70-interacting Protein (Hip)
Published in The Journal of biological chemistry (20-07-2007)“…Tic40 is a component of the protein import apparatus of the inner envelope of chloroplasts, but its role in the import mechanism has not been clearly defined…”
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One- and two-dimensional blue native-PAGE and immunodetection of low-abundance chloroplast membrane protein complexes
Published in Methods in molecular biology (Clifton, N.J.) (2011)“…Blue native polyacrylamide gel electrophoresis (BN-PAGE) is a powerful method for separating protein complexes from biological membranes under native…”
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Green light for chloroplast outer-membrane proteins
Published in Nature cell biology (01-02-2008)“…Most chloroplast proteins are encoded in the cell nucleus, translated in the cytosol, and targeted to the organelle in a post-translational manner. Our…”
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Two distinct Omp85 paralogs in the chloroplast outer envelope membrane are essential for embryogenesis in Arabidopsis thaliana
Published in Plant signaling & behavior (01-12-2008)“…Homologs of a bacterial β-barrel protein, Omp85, ubiquitously exist in the outer membranes of Gram-negative bacteria, mitochondria and chloroplasts. Those in…”
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Recognition and envelope translocation of chloroplast preproteins
Published in Journal of experimental botany (01-09-2005)“…Plastids are a diverse group of plant organelles that perform essential functions including important steps in many biosynthetic pathways. Chloroplasts are the…”
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Functional Specialization amongst the Arabidopsis Toc159 Family of Chloroplast Protein Import Receptors
Published in The Plant cell (01-08-2004)“…The initial stages of preprotein import into chloroplasts are mediated by the receptor GTPase Toc159. In Arabidopsis thaliana, Toc159 is encoded by a small…”
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Functional Analysis of the Hsp93/ClpC Chaperone at the Chloroplast Envelope1[OPEN]
Published in Plant physiology (Bethesda) (19-11-2015)“…Chloroplast chaperone Hsp93 associates with the inner envelope membrane via interaction with the Tic110 translocon and likely functions in quality control but…”
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In Vivo Analyses of the Roles of Essential Omp85-Related Proteins in the Chloroplast Outer Envelope Membrane1[W][OA]
Published in Plant physiology (Bethesda) (01-09-2011)“…Two different, essential Omp85 (Outer membrane protein, 85 kD)-related proteins exist in the outer envelope membrane of Arabidopsis (Arabidopsis thaliana)…”
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Arabidopsis hsp93 mutants
Published in The Plant journal : for cell and molecular biology (2007)“…In Arabidopsis, Hsp93 is encoded by two genes, atHSP93-V and atHSP93-III. We identified two T-DNA mutants for atHSP93-III: one being a partial 'knockdown'…”
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