Organelle biogenesis is the biological process by which cells establish, maintain, and propagate their membrane-bound compartments, including their specific protein and lipid compositions, morphology, and copy number. It involves de novo formation from precursor membranes (e.g., ER-derived peroxisomes), growth and division of pre-existing organelles (e.g., mitochondria, chloroplasts), and tightly regulated trafficking of proteins and lipids via targeted import, vesicular transport, and membrane remodeling. Organelle biogenesis is coordinated with the cell cycle, metabolic state, and signaling pathways, relying on dedicated machineries such as translocases, coat proteins, small GTPases, and cytoskeletal elements to ensure fidelity of organelle identity and function across cell generations.
Ribosomes are the cell's protein factories, which read the genetic code and assemble the proteins that every organism needs to live. But as far as how ribosomes themselves were formed, tantalizingly little was known.
Cell & Microbiology
Oct 29, 2025
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109
A team at McGill University studying ferroptosis, a form of cell death, have discovered that the process begins deep inside the cell, a finding that could lead to new treatments for cancer and neurodegenerative diseases.
Cell & Microbiology
Oct 22, 2025
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41
A new study from The University of Texas at Arlington has revealed how cells control their mitochondria—the "energy producers" of cells—during the process of cell death. The discovery sheds light on how the body manages this ...
Cell & Microbiology
Oct 16, 2025
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49
Nearly every cell in your body depends on mitochondria to survive and function properly. Mitochondria provide 90% of our bodies' energy, but less well-known are their roles in cellular signaling and in eliminating defective ...
Cell & Microbiology
Sep 26, 2025
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132
Every time a eukaryotic cell divides, it faces a monumental challenge: It must carefully duplicate and divide its genetic material (chromosomes) equally, and then rebuild the nuclear envelope around the separated halves. ...
Cell & Microbiology
Sep 23, 2025
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58
A new study by Dr. Tian Ye's group from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences (CAS) has revealed that mitochondrial stress coordinates chromatin remodeling and longevity ...
Cell & Microbiology
Aug 25, 2025
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22
Sleep may not just be rest for the mind—it may be essential maintenance for the body's power supply. A new study by University of Oxford researchers, published in Nature, reveals that the pressure to sleep arises from a build-up ...
Cell & Microbiology
Jul 18, 2025
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The discovery of an unknown organelle inside our cells could open the door to new treatments for devastating inherited diseases.
Cell & Microbiology
Jun 25, 2025
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847
Cells have small compartments known as organelles that perform complex biochemical reactions. These compartments have multiple enzymes that work together to execute important cellular functions. Researchers at the Center ...
Bio & Medicine
Sep 13, 2021
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156
