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Autophagy

Autophagy, or autophagocytosis, is a process of sequestering organelles and long-lived proteins in a double-membrane vesicle inside the cell, where the contents are subsequently delivered to the lysosome for degradation.

Note: The above text is excerpted from the Wikipedia article "Autophagy", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

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The Cellular Cleaning Program Autophagy Helps in Wound Healing

Mar. 10, 2022 — Scientists have shown that the recycling program of cells, autophagy, leads to the fusion of several single cells into multinucleated cell units during wound ...

Dynamic Rearrangement and Autophagic Degradation of the Mitochondria During Plant Spermiogenesis

June 16, 2022 — Researchers have reported that in the liverwort Marchantia polymorpha, the number of mitochondria in the spermatozoid (sperm) is controlled by autophagy during ...

New Study Sheds Light on the Molecular Mechanisms Underlying Lipid Recycling Within Cells

Nov. 2, 2023 — Our understanding of how cells recycle lipids through autophagy -- a form of cellular degradation -- has grown significantly, thanks to a recent study. Using yeast as a model organism, the ...

SARS-CoV-2 Infection Hijacks Key Cellular Process, Autophagy Researchers Discover

Nov. 22, 2021 — Novel autophagy research traces new mammalian pathways and reveals unexpected impact of SARS-CoV-2 ...

Autophagy: The Unlikely Hero That Balances Zinc and Iron in Plants

Aug. 18, 2021 — Nutrient imbalances can adversely impact crop health and agricultural productivity. The trace elements zinc and iron are taken up by the same 'transporters' in plants; so, zinc deficiency ...

A Look Into the Heart of Cellular Waste Disposal

May 24, 2023 — Researchers reveal how a nanomachine takes care of cleaning up inside the ...

Harnessing Power of Immune System May Lessen Reliance on Antibiotics for Infections Like TB

Mar. 23, 2023 — Researchers have found that the body's process of removing old and damaged cell parts, is also an essential part of tackling infections that take hold within our cells, like TB. If this natural ...

Harnessing an Innate Protection Against Ebola

Feb. 5, 2023 — Researchers have identified a cellular pathway that keeps Ebola virus from exiting human cells, with implications for developing new ...

Amino Acid Recycling in Cells: Autophagy Helps Cells Adapt to Changing Conditions

Dec. 10, 2020 — Scientists have shown for the first time how specific metabolites produced by autophagy are utilized by a cell. They discovered that in budding yeast adapting to respiratory growth, autophagy -- an ...

Protect Against Aging and Age-Related Disease With the MondoA Protein

Mar. 7, 2022 — Researchers have shown that a protein called MondoA can activate the important health-linked process of autophagy, whereby cells are broken down and their components are recycled. MondoA both ...

Plants & Animals News

December 9, 2023

'Shocking' Discovery: Electricity from Electric Eels May Transfer Genetic Material to Nearby Animals

Dec. 5, 2023 — Researchers have discovered that electric eels can alter the genes of tiny fish larvae with their electric shock. Their findings help to better understand electroporation, a method by which genes can ...

Mice Pass the Mirror Test, a Classic Indicator of Self-Recognition

Dec. 5, 2023 — Researchers report that mice display behavior that resembles self-recognition when they see themselves in the mirror. When the researchers marked the foreheads of black-furred mice with a spot of white ink, the mice spent more time grooming their ...

More Than a Meteorite: New Clues About the Demise of Dinosaurs

Dec. 4, 2023 — What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the ...

Twin Research Indicates That a Vegan Diet Improves Cardiovascular Health

Nov. 30, 2023 — A recent trial of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular ...

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New Insights Into Zebra Mussel Attachment Fibers Offer Potential Solutions to Combat Invasive Species, Develop Sustainable Materials

Dec. 8, 2023 — A recent study has revealed that an unlikely event, occurring over 12 million years ago played an important role in shaping one of Canada's most ...

Manipulation of Gut Microbiota With Flaxseed Could Reduce Breast Cancer Risk

Dec. 7, 2023 — A new study demonstrates that the human gut microbiome may be a factor in breast ...

Tiny Llama Nanobodies Neutralize Different Noroviruses: Can They Improve Human Anti-Viral Therapies?

Dec. 7, 2023 — Researchers investigated a novel strategy to neutralize human noroviruses. They tested the ability of tiny antibodies produced by llamas, called ...

Protected Areas in Thailand Are at a Higher Risk of Forest Fires When Located Away from Indigenous Communities

Dec. 7, 2023 — Research has found that national parks and protected areas are at a higher risk of forest fires when located farther away from indigenous ...

Zika's Shape-Shifting Machinery, and a Possible Vulnerability

Dec. 8, 2023 — Viruses have limited genetic material -- and few proteins -- so all the pieces must work extra hard. Zika is a great example; the virus only produces 10 proteins. Now researchers have shown how the ...

Suburban Backyard Home to More Than 1,000 Species

Dec. 8, 2023 — A challenge among three housemates to identify species around their inner-Brisbane home has resulted in an academic research paper, showcasing the rich biodiversity in urban landscapes. ...

How Immune Cells Recognize Their Enemies

Dec. 8, 2023 — In order for immune cells to do their job, they need to know against whom they should direct their attack. Research teams a have identified new details in this ...

Adapting to Hypoxia: Zooplankton Influence the Efficiency of the Biological Carbon Pump in the Humboldt Current Off Peru

Dec. 8, 2023 — Marine organisms play a crucial role in the global carbon cycle. Phytoplankton absorb carbon dioxide from the atmosphere and sequester it in organic ...

Immersive VR Goggles for Mice Unlock New Potential for Brain Science

Dec. 8, 2023 — New miniature virtual reality (VR) goggles provide more immersive experiences for mice living in laboratory settings. By more faithfully simulating natural environments, the researchers can more ...

Climate Change Will Increase Wildfire Risk and Lengthen Fire Seasons

Dec. 8, 2023 — Wildfires are some of the most destructive natural disasters in the country, threatening lives, destroying homes and infrastructure, and creating air pollution. In order to properly forecast and ...