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Selective autophagy

Written by Wayne Jun 22, 2021 · 12 min read
Selective autophagy

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Selective Autophagy. The typical characteristic of selective autophagy receptors is that they contain an Atg8-interacting motif AIMLC3-interacting region LIR 17 -. Selective autophagy relies on soluble or membrane-bound cargo receptors that recognize cargo and bring about autophagosome formation at the cargo. P62 and NBR1 are both selectively degraded by autophagy and able to act as cargo receptors for degradation of ubiquitinated substrates. Cargoes of selective autophagy are often discrete entitiesmembrane-encased organelles in mitophagy or endoplasmic reticulum ER-phagy or encapsulated pathogenic microbes in xenophagyor the in case of proteins either specific structural assemblies eg Cvt proteophagy or ferritinophagy or assemblies with particular material properties aggrephagy.

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The cargo-bound receptors interact with lipidated ATG8 family proteins anchored in the membrane at the concave side of. In selective autophagy autophagy receptors bind to cargoes and result in degradation within lysosomesvacuoles depending on the core autophagy machinery. Selective autophagy regulates the type-I interferon-inducing pathway both at steady state and during virus infection. Selective autophagy contributes to intracellular homeostasis by mediating the degradation of cytoplasmic material such as aggregated proteins damaged or over-abundant organelles and invading pathogens. We are exploring the molecular mechanisms of selective autophagy a catabolic cellular process which targets specific cytosolic material for degradation in the lysosome. Whereas the ubiquitin-proteasome system is involved in the rapid degradation of proteins autophagy pathways can selectively remove protein aggregates and damaged or excess organelles.

Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway.

Cargoes of selective autophagy are often discrete entitiesmembrane-encased organelles in mitophagy or endoplasmic reticulum ER-phagy or encapsulated pathogenic microbes in xenophagyor the in case of proteins either specific structural assemblies eg Cvt proteophagy or ferritinophagy or assemblies with particular material properties aggrephagy. In the past three decades selective autophagy has been characterized as a highly regulated and specific degradation pathway for removal of unwanted cytosolic components and damaged andor. On the contrary the discovery and characterization of autophagy receptors which target specific cargo for lysosomal degradation by interaction with ATG8 autophagy-related protein 8LC3 light-chain 3 has accelerated our understanding of selective. The typical characteristic of selective autophagy receptors is that they contain an Atg8-interacting motif AIMLC3-interacting region LIR 17 -. Here we report a selective autophagy pathway for protein condensates formed by endocytic proteins in yeast. In selective autophagy eg mitophagy pexophagy and nucleophagy common components required for PAS assembly are shared including elongation of the phagophore membrane around the cargo maturation and fusion.

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During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. P62 and NBR1 are both selectively degraded by autophagy and able to act as cargo receptors for degradation of ubiquitinated substrates. Selective autophagy mitophagy pexophagy ER-phagy ribophagy and lipophagy is a process in which a lysosomal-targeted cargo is selectively recognized and degraded relying on receptor proteins that bind Hsp70Hsp90 Organizing Protein HOP Fig. One such defence mechanism is the process of autophagy Greek meaning Self-eating. Cargoes of selective autophagy are often discrete entitiesmembrane-encased organelles in mitophagy or endoplasmic reticulum ER-phagy or encapsulated pathogenic microbes in xenophagyor the in case of proteins either specific structural assemblies eg Cvt proteophagy or ferritinophagy or assemblies with particular material properties aggrephagy.

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These receptors bind to. These receptors bind to. Selective autophagy contributes to intracellular homeostasis by mediating the degradation of cytoplasmic material such as aggregated proteins damaged or over-abundant organelles and invading pathogens. The Molecular Basis of Selective Autophagy Our Body has developed many cell autonomous mechanisms for dealing with infection. Selective autophagy regulates the type-I interferon-inducing pathway both at steady state and during virus infection.

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Selective autophagy Autophagy was initially thought to be a non-selective degradation mechanism because the entire vesicle contents were digested. Cargoes of selective autophagy are often discrete entitiesmembrane-encased organelles in mitophagy or endoplasmic reticulum ER-phagy or encapsulated pathogenic microbes in xenophagyor the in case of proteins either specific structural assemblies eg Cvt proteophagy or ferritinophagy or assemblies with particular material properties aggrephagy. Selective autophagy contributes to intracellular homeostasis by mediating the degradation of cytoplasmic material such as aggregated proteins damaged or over-abundant organelles and invading pathogens. During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. We use a diverse set of techniques including X-ray crystallography nuclear magnetic resonance NMR spectroscopy biochemistry and.

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The molecular machinery for selective autophagy must ensure efficient recognition and sequestration of the cargo within autophagosomes. Here we report a selective autophagy pathway for protein condensates formed by endocytic proteins in yeast. The key decision point in any selective autophagy pathway is the process by which the core autophagy mechanism is redirected to. Selective autophagy regulates the type-I interferon-inducing pathway both at steady state and during virus infection. The discovery and characterization of autophagic adapters like p62 and NBR1 has provided mechanistic insight into this process.

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Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway. The process of autophagy involves the formation of a double-membraned autophagosome that captures material and delivers it for degradation in the lysosome Figure 1. One such defence mechanism is the process of autophagy Greek meaning Self-eating. Whereas the ubiquitin-proteasome system is involved in the rapid degradation of proteins autophagy pathways can selectively remove protein aggregates and damaged or excess organelles. We are exploring the molecular mechanisms of selective autophagy a catabolic cellular process which targets specific cytosolic material for degradation in the lysosome.

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Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway. The molecular machinery for selective autophagy must ensure efficient recognition and sequestration of the cargo within autophagosomes. Mounting evidence suggests that autophagy is a more selective process than originally anticipated. Whereas the ubiquitin-proteasome system is involved in the rapid degradation of proteins autophagy pathways can selectively remove protein aggregates and damaged or excess organelles. Selective autophagy has grown in recent years to include very specific cellular events including symbiophagy autophagic consumption of symbiotes and ferritinophagy processing of iron via autophagosomes.

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During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. In selective autophagy autophagy receptors bind to cargoes and result in degradation within lysosomesvacuoles depending on the core autophagy machinery. The cargo-bound receptors interact with lipidated ATG8 family proteins anchored in the membrane at the concave side of. Here we report a selective autophagy pathway for protein condensates formed by endocytic proteins in yeast. Selective autophagy has grown in recent years to include very specific cellular events including symbiophagy autophagic consumption of symbiotes and ferritinophagy processing of iron via autophagosomes.

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Selective autophagy has grown in recent years to include very specific cellular events including symbiophagy autophagic consumption of symbiotes and ferritinophagy processing of iron via autophagosomes. Eukaryotic cells use autophagy and the ubiquitin-proteasome system as their major protein degradation pathways. The discovery and characterization of autophagic adapters like p62 and NBR1 has provided mechanistic insight into this process. Selective autophagy contributes to intracellular homeostasis by mediating the degradation of cytoplasmic material such as aggregated proteins damaged or over-abundant organelles and invading pathogens. However recent findings have revealed the selective degradation of mitochondria and other specific organelles bacteria and aggregates of proteins with attached ubiquitin chains polyubiquitinated proteins.

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During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway. Mounting evidence suggests that autophagy is a more selective process than originally anticipated. The Molecular Basis of Selective Autophagy Our Body has developed many cell autonomous mechanisms for dealing with infection. Cargoes destined to be eliminated are confined within double-membrane vesicles called autophagosomes prior to fusion with endolysosomal vacuoles.

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The Molecular Basis of Selective Autophagy Our Body has developed many cell autonomous mechanisms for dealing with infection. Whereas the ubiquitin-proteasome system is involved in the rapid degradation of proteins autophagy pathways can selectively remove protein aggregates and damaged or excess organelles. One such defence mechanism is the process of autophagy Greek meaning Self-eating. The Molecular Basis of Selective Autophagy Our Body has developed many cell autonomous mechanisms for dealing with infection. Selective autophagy Autophagy was initially thought to be a non-selective degradation mechanism because the entire vesicle contents were digested.

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The Molecular Basis of Selective Autophagy Our Body has developed many cell autonomous mechanisms for dealing with infection. Mounting evidence suggests that autophagy is a more selective process than originally anticipated. On the contrary the discovery and characterization of autophagy receptors which target specific cargo for lysosomal degradation by interaction with ATG8 autophagy-related protein 8LC3 light-chain 3 has accelerated our understanding of selective. P62 and NBR1 are both selectively degraded by autophagy and able to act as cargo receptors for degradation of ubiquitinated substrates. Autophagy eliminates cytoplasmic content selected by autophagy receptors which link cargo to the membrane-bound autophagosomal ubiquitin-like protein Atg8LC3.

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Eukaryotic cells use autophagy and the ubiquitin-proteasome system as their major protein degradation pathways. Cargoes of selective autophagy are often discrete entitiesmembrane-encased organelles in mitophagy or endoplasmic reticulum ER-phagy or encapsulated pathogenic microbes in xenophagyor the in case of proteins either specific structural assemblies eg Cvt proteophagy or ferritinophagy or assemblies with particular material properties aggrephagy. Mounting evidence suggests that autophagy is a more selective process than originally anticipated. Selective autophagy mitophagy pexophagy ER-phagy ribophagy and lipophagy is a process in which a lysosomal-targeted cargo is selectively recognized and degraded relying on receptor proteins that bind Hsp70Hsp90 Organizing Protein HOP Fig. We are exploring the molecular mechanisms of selective autophagy a catabolic cellular process which targets specific cytosolic material for degradation in the lysosome.

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Selective autophagy contributes to intracellular homeostasis by mediating the degradation of cytoplasmic material such as aggregated proteins damaged or over-abundant organelles and invading pathogens. We use a diverse set of techniques including X-ray crystallography nuclear magnetic resonance NMR spectroscopy biochemistry and. Here we report a selective autophagy pathway for protein condensates formed by endocytic proteins in yeast. During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. Selective autophagy Autophagy was initially thought to be a non-selective degradation mechanism because the entire vesicle contents were digested.

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Selective autophagy regulates the type-I interferon-inducing pathway both at steady state and during virus infection. The typical characteristic of selective autophagy receptors is that they contain an Atg8-interacting motif AIMLC3-interacting region LIR 17 -. During the last decade it has become evident that autophagy is not simply a non-selective bulk degradation pathway for intracellular components. Selective autophagy relies on soluble or membrane-bound cargo receptors that recognize cargo and bring about autophagosome formation at the cargo. The process of autophagy involves the formation of a double-membraned autophagosome that captures material and delivers it for degradation in the lysosome Figure 1.

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Autophagy eliminates cytoplasmic content selected by autophagy receptors which link cargo to the membrane-bound autophagosomal ubiquitin-like protein Atg8LC3. Cargoes destined to be eliminated are confined within double-membrane vesicles called autophagosomes prior to fusion with endolysosomal vacuoles. We are exploring the molecular mechanisms of selective autophagy a catabolic cellular process which targets specific cytosolic material for degradation in the lysosome. Mounting evidence suggests that autophagy is a more selective process than originally anticipated. In selective autophagy eg mitophagy pexophagy and nucleophagy common components required for PAS assembly are shared including elongation of the phagophore membrane around the cargo maturation and fusion.

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The discovery and characterization of autophagic adapters like p62 and NBR1 has provided mechanistic insight into this process. Cargoes destined to be eliminated are confined within double-membrane vesicles called autophagosomes prior to fusion with endolysosomal vacuoles. Eukaryotic cells use autophagy and the ubiquitin-proteasome system as their major protein degradation pathways. Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway. Selective autophagy regulates the type-I interferon-inducing pathway both at steady state and during virus infection.

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Autophagy ensures the degradation of cytosolic substrates by the lysosomal pathway. One such defence mechanism is the process of autophagy Greek meaning Self-eating. Whereas the ubiquitin-proteasome system is involved in the rapid degradation of proteins autophagy pathways can selectively remove protein aggregates and damaged or excess organelles. In selective autophagy autophagy receptors bind to cargoes and result in degradation within lysosomesvacuoles depending on the core autophagy machinery. Selective autophagy controls the stability of transcription factor IRF3 to balance type I interferon production and immune suppression.

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Mounting evidence suggests that autophagy is a more selective process than originally anticipated. The discovery and characterization of autophagic adapters like p62 and NBR1 has provided mechanistic insight into this process. The process of autophagy involves the formation of a double-membraned autophagosome that captures material and delivers it for degradation in the lysosome Figure 1. P62 and NBR1 are both selectively degraded by autophagy and able to act as cargo receptors for degradation of ubiquitinated substrates. Cargoes destined to be eliminated are confined within double-membrane vesicles called autophagosomes prior to fusion with endolysosomal vacuoles.

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