2023
A membrane-sensing mechanism links lipid metabolism to protein degradation at the nuclear envelope
Lee S, Rodrı́guez J, Merta H, Bahmanyar S. A membrane-sensing mechanism links lipid metabolism to protein degradation at the nuclear envelope. Journal Of Cell Biology 2023, 222: e202304026. PMID: 37382667, PMCID: PMC10309186, DOI: 10.1083/jcb.202304026.Peer-Reviewed Original ResearchConceptsAmphipathic helixDirect lipid-protein interactionsNuclear envelopeLipid-protein interactionsLipid compositionPhosphatidic acid phosphatase lipin-1INM proteomeNucleoplasmic domainOrganelle identityProteasomal regulationMembrane domainsAnimal cellsProteasomal degradationMaster regulatorProtein degradationLipid environmentLipin-1Packing defectsDAG speciesCTDNEP1Metabolism impactsSUN2Disease mechanismsMetabolismBroad implications
2021
Cell cycle regulation of ER membrane biogenesis protects against chromosome missegregation
Merta H, Carrasquillo Rodríguez JW, Anjur-Dietrich MI, Vitale T, Granade ME, Harris TE, Needleman DJ, Bahmanyar S. Cell cycle regulation of ER membrane biogenesis protects against chromosome missegregation. Developmental Cell 2021, 56: 3364-3379.e10. PMID: 34852214, PMCID: PMC8692360, DOI: 10.1016/j.devcel.2021.11.009.Peer-Reviewed Original ResearchConceptsChromosome missegregationEndoplasmic reticulumLipin-1Accurate chromosome segregationER membrane biogenesisCell cycle regulationPhosphatidic acid phosphatase lipin-1Chromosome segregationMembrane biogenesisER membraneChromosome movementMitotic fidelityCycle regulationER sizeMitosis resultsMitotic cytoplasmFormation of micronucleiMitotic cellsMitotic errorsMissegregationER reorganizationHuman cellsBiophysical propertiesCancer cellsLipid metabolism
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