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The Biology of Mitochondrial Uncoupling Proteins [PDF]
Diabetes, 2004 Uncoupling proteins (UCPs) are mitochondrial transporters present in the inner membrane of mitochondria. They are found in all mammals and in plants. They belong to the family of anion mitochondrial carriers including adenine nucleotide transporters. The term “uncoupling protein” was originally used for UCP1, which is uniquely present in mitochondria ...
Rousset, Sophie +6 more
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Glutathionylation of Mitochondrial Proteins
Antioxidants & Redox Signaling, 2005Many proteins contain free thiols that can be modified by the reversible formation of mixed disulfides with low-molecular-weight thiols through a process called S-thiolation. As the majority of these modifications result from the interaction of protein thiols with the endogenous glutathione pool, protein glutathionylation is the predominant alteration.
Samantha M. Beer +6 more
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Journal of Bioenergetics and Biomembranes, 1990
Most polypeptides of mitochondria are imported from the cytosol. Precursor proteins contain targeting and sorting information, often in the form of amino-terminal presequences. Precursors first bind to receptors in the outer membrane. Two putative import receptors have been identified: a 19-kilodalton protein (MOM19) in Neurospora mitochondria, and a ...
Benjamin S. Glick, Vincent Geli
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Most polypeptides of mitochondria are imported from the cytosol. Precursor proteins contain targeting and sorting information, often in the form of amino-terminal presequences. Precursors first bind to receptors in the outer membrane. Two putative import receptors have been identified: a 19-kilodalton protein (MOM19) in Neurospora mitochondria, and a ...
Benjamin S. Glick, Vincent Geli
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Mitochondrial Proteins Moonlighting in the Nucleus [PDF]
Trends in Biochemical Sciences, 2015 Mitochondria function as cellular energy generators, producing the fuel required to drive biological processes. The response of cells to mitochondrial activity or dysfunction regulates their survival, growth, proliferation, and differentiation. Several proteins that contain mitochondrial-targeting sequences (MTS) also reside in the nucleus and there is
Monaghan, Richard, Whitmarsh, Alan
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Synthesis of Mitochondrial Proteins
1973The recent discovery that the ubiquitous energy-transducing organelle of eukaryotic cells, the mitochondrion, contains its own DNA, distinct from that of the nucleus (for recent reviews, see 1-4), has generated intensive investigations in a number of related areas.
Karl Dawidowicz, Henry R. Mahler
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Mitochondrial Myopathy with a Defect of Mitochondrial-Protein Transport
New England Journal of Medicine, 1990The clinical and biochemical heterogeneity of the mitochondrial myopathies is now well established.1 , 2 Recent work has focused on identifying the molecular basis of these disorders and has demons...
J. B. Clark +4 more
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1991
A dynamic picture of the mitochondrial protein import pathway is emerging, with conformational alteration a critical feature both preceding and following membrane translocation. The mediators of these steps of conformational alteration, as well as steps of recognition, translocation, and proteolytic cleavage, appear to be proteins. Using powerful tools
Pollock Ra +3 more
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A dynamic picture of the mitochondrial protein import pathway is emerging, with conformational alteration a critical feature both preceding and following membrane translocation. The mediators of these steps of conformational alteration, as well as steps of recognition, translocation, and proteolytic cleavage, appear to be proteins. Using powerful tools
Pollock Ra +3 more
openaire +3 more sources
Biogenesis of Mitochondrial Proteins
2012Depending on the organism, mitochondria consist approximately of 500-1,400 different proteins. By far most of these proteins are encoded by nuclear genes and synthesized on cytosolic ribosomes. Targeting signals direct these proteins into mitochondria and there to their respective subcompartment: the outer membrane, the intermembrane space (IMS), the ...
Matthieu Depuydt +3 more
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