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The biogenesis of regulated secretory organelles

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Effects of bursty synthesis in organelle biogenesis

Mathematical Biosciences
A fundamental question of cell biology is how cells control the number of organelles. The processes of organelle biogenesis, namely de novo synthesis, fission, fusion, and decay, are inherently stochastic, producing cell-to-cell variability in organelle ...
Dipjyoti Das
exaly   +5 more sources

Cell-to-cell variability in organelle abundance reveals mechanisms of organelle biogenesis [PDF]

Physical Review E, 2019
How cells regulate the number of organelles is a fundamental question in cell biology. While decades of experimental work have uncovered four fundamental processes that regulate organelle biogenesis, namely, de novo synthesis, fission, fusion, and decay,
Sandeep Choubey, Dipjyoti Das, Sandeep Choubey   +2 more
exaly   +7 more sources

Quantitative subcellular reconstruction reveals a lipid mediated inter-organelle biogenesis network

Nature Cell Biology, 2023
The structures and functions of organelles in cells depend on each other but have not been systematically explored. We established stable knockout cell lines of peroxisomal, Golgi and endoplasmic reticulum genes identified in a whole-genome CRISPR ...
Anaelle Chopin, Tim Mccubbin, Stefan J Siira   +2 more
exaly   +2 more sources

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Temporal regulation of organelle biogenesis

Physical Biology, 2022
Abstract Organelle abundance in cells is tightly regulated in response to external stimuli, but the underlying mechanisms remain poorly understood. Time-lapse imaging of fluorescently labelled organelles enables single-cell measurements of organelle copy numbers, revealing the time evolution of their distribution across a cell population.
Aniruddha Nagarajan, Smruti Dixit, Sandeep Choubey   +2 more
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Organelle biogenesis in the endoplasmic reticulum

Nature Cell Biology, 2017
Understanding organelle biogenesis is a central focus of cell biology. Whereas some are generated from existing organelles, others can be generated de novo. Most de novo organelle biogenesis occurs in the endoplasmic reticulum (ER). Here, we review the role of the ER in the generation of peroxisomes, lipid droplets, and omegasomes, which are platforms ...
Amit S Joshi, William A Prinz, Prinz William A   +2 more
exaly   +3 more sources

Yeast peroxisomes: Function and biogenesis of a versatile cell organelle [PDF]

Trends in Microbiology, 1997
Yeast peroxisomes harbour enzymes involved in the metabolism of specific growth substrates. Sequestration of these enzymes increases the efficiency of such pathways. Currently, 16 genes involved in peroxisome biogenesis have been identified, and analysis
Ida J Van Der Klei, Marten Veenhuis
exaly   +2 more sources

Protein Import into Peroxisomes and Biogenesis of the Organelle

Annual Review of Cell Biology, 1993
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446 FUNCTIONS OF PEROXISOMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' 447 HUMAN PEROXISOMAL DISORDERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 PEROXISOMES AS A MODEL FOR ORGANELLE ASSEMBLY AND DISASSEMBLY . . . . . . . . . .
Suresh Subramani
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