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Dr. Antoni Barrientos, Ph.D.

Dr. Antoni Barrientos, Ph.D.

Professor
Department of Neurology
Department of Biochemistry & Molecular Biology
Neuroscience Graduate Program
University of Miami Miller School of Medicine

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Flavia Fontanesi, Ph.D.

Flavia Fontanesi, Ph.D.

Research Assistant Professor
Department of Biochemistry & Molecular Biology
University of Miami Miller School of Medicine

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Priyanka Maiti, Ph.D.

Priyanka Maiti, Ph.D.

Postdoctoral Fellow
Department of Neurology
University of Miami Miller School of Medicine

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Eva Nývltová

Eva Nývltová

Postdoctoral Fellow Department of Neurology eva.nyvltova@med.miami.edu https://www.researchgate.net/profile/Eva_Nyvltova I am interested in the role/s played by cysteine-rich proteins located in the mitochondrial intermembrane space. They may be involved in redox homeostasis and/or formation of metal centers in electron transport chain enzymes.

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Alba Timón-Gómez

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Hyun-Jung Kim

Hyun-Jung Kim

Ph.D. Student
Department of Biochemistry & Molecular Biology
University of Miami Miller School of Medicine

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Andrea Lynema

Andrea Lynema

Ph.D. Student
Neuroscience Graduate Program
University of Miami Miller School of Medicine

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Rui Zeng

Rui Zeng

Ph.D. Student
Department of Biochemistry & Molecular Biology
University of Miami Miller School of Medicine

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Jeffry-Noelle Mays

Jeffry-Noelle Mays

Research Assistant Department of Biochemistry & Molecular Biology Fontanesi-Lab   I work with Dr Fontanesi in several projects aiming to understand the pathways of mitochondrial respiratory chain complex and supercomplex biogenesis in the yeast Saccharomyces cerevisiae.

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Zoe Cosner

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Natalie Marrero

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Cytochrome c oxidase (COX) biogenesis in health and disease

Cytochrome c oxidase (COX) biogenesis in health and disease

COX is the terminal oxidase of the respiratory chain. COX deficiency is the major cause of mitochondrial encephalomyopathies in humans. Our long-term goal is to attain a complete understanding of the pathways leading to COX assembly and their components as a prerequisite to the development of therapies for the management of disorders associated with COX deficiencies.

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Mitochondrial physiology and biogenesis in cellular stress and aging

Mitochondrial physiology and biogenesis in cellular stress and aging

Metabolic and mitochondrial abnormalities are a prominent feature of aging and neurodegeneration. However, the literature reports conflicting results concerning the extent and causality of the aging associated aerobic energy production decline and mitochondrial ROS-induced damage, as well as their interplay with nutritional cues. Single cell models have provided key information concerning mechanisms of aging and neurodegeneration.

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Mitochondrial translation and biogenesis of the mitochondrial translational apparatus in yeast and mammalian cells.

Mitochondrial translation and biogenesis of the mitochondrial translational apparatus in yeast and mammalian cells.

Over the last few years we have become very interested in the biogenesis of the mitochondrial ribosomes. The process is complicated by the fact that the two mitoribosomal RNAs (rRNAs) are universally mitochondrion-encoded whereas all ribosomal proteins (with a single exception in yeast) are encoded in the nuclear DNA. Its biomedical importance is highlighted by the fact that mutations affecting genes encoding mitochondrial ribosomal subunits are responsible for infantile multisystemic mitochondrial diseases, frequently involving encephalomyopathy and hypertrophic cardiomyopathy.

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The biosynthetic pathway of human mitochondrial respirasomes

The biosynthetic pathway of human mitochondrial respirasomes

The mitochondrial respiratory chain (MRC) assembly and function involve the organization of its constitutive complexes in supercomplexes or respirasomes. It is believed that supercomplexes have an important functional role in cellular bioenergetics by optimizing electron transfer, proton pumping and controlling the formation of reactive intermediates. We are investigating the players and mechanisms involved in MRC supercomplex assembly using yeast and cultured human cells as research models.

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Andrea Lynema presents a poster at the Neuroscience Research Day

Andrea Lynema presents a poster at the Neuroscience Research Day

Hosted by UM’s Neuroscience Graduate Program, the 23rd Annual Neuroscience Research Day took place on Friday, November 7 to showcase and promote neuroscience in South Florida and provide a venue for current and future neuroscientists to share ideas and develop networking opportunities. Andrea is a student from the Neuroscience graduate program and presented a poster […]

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