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Stress-Induced Chromosome Changes Protect Flies’ Aging Brains
Stress-Induced Chromosome Changes Protect Flies’ Aging Brains
Brain cells in older Drosophila tend to have more than two complete sets of chromosomes, and that polyploidy most likely has a protective function, a study shows.
Stress-Induced Chromosome Changes Protect Flies’ Aging Brains
Stress-Induced Chromosome Changes Protect Flies’ Aging Brains

Brain cells in older Drosophila tend to have more than two complete sets of chromosomes, and that polyploidy most likely has a protective function, a study shows.

Brain cells in older Drosophila tend to have more than two complete sets of chromosomes, and that polyploidy most likely has a protective function, a study shows.

cell division, cell & molecular biology

Image of the Day: Scrambled Frog Eggs
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Cellular innards can reorganize themselves to form structures similar to cells.
Image of the Day: Unusual Fungi Reproduction
Emily Makowski | Oct 30, 2019 | 2 min read
A variety of yeasts collected near Woods Hole, Massachusetts, show unconventional cell division.
Microscopy and Imaging Leader Shinya Inoué Dies
Jef Akst | Oct 7, 2019 | 1 min read
The long-time Marine Biological Laboratory scientist was known for using his own hand-built microscopes to image the dynamics of live cells.
Image of the Day: Wrench in the Works
Carolyn Wilke | Mar 26, 2019 | 1 min read
In cell division, a protein called spastin appears to help tear down a bridge between daughter cells.
Image of the Day: Cellular Breakdown
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Autophagy may keep cell division in check to help protect against cancer-causing DNA damage.
Image of the Day: Shoots Up
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During plants’ cell division, mother cells give daughter cells a signal to show them which way is up.
Cell Biologist Andreas Doncic Dies
Kerry Grens | May 7, 2018 | 2 min read
The young UT Southwestern professor studied cell fate in yeast and was about to publish the first results from his lab.
Microglia Turnover in the Human Brain
Shawna Williams | Oct 1, 2017 | 2 min read
Researchers find that about a quarter of the immune cells are replaced every year.
Researchers Identify Clue to Asymmetric Cell Division
Shawna Williams | Sep 1, 2017 | 3 min read
Phosphorylation of a surface protein on endosomes is key to the organelles’ uneven distribution in daughter cells.
Infographic: Why Not All Cell Divisions Are Equal
Shawna Williams | Aug 31, 2017 | 1 min read
Phosphorylation of a protein called Sara found on the surface of endosomes appears to be a key regulator of asymmetric splitting in fruit flies.
Cell Cannibalism as Cancer Defense
Jef Akst | Jul 11, 2017 | 1 min read
A new study suggests that the mysterious process by which one cell consumes another may be triggered by cell division, potentially helping to fight tumor growth.
Extra Centrosomes Can Drive Tumor Formation in Mice
Diana Kwon | Apr 1, 2017 | 2 min read
Mice engineered to overproduce the organelles involved in cell division spontaneously develop malignancies.
How Multicellularity Arose
Jef Akst | Jan 11, 2016 | 1 min read
Researchers identify a molecule that may have been key to the surprisingly common transition from single-celled ancestors to today’s complex, multicellular organisms. 
Carry-On Luggage
Kerry Grens | Dec 1, 2015 | 2 min read
Without a vacuole, cell-cycle progression stalls out in yeast cells.
The Regenerators
Amanda B. Keener | Sep 1, 2015 | 2 min read
A molecular signature makes it possible to trace the details of hair cell replacement in the mammalian inner ear.
From Many, One
Elena E. Giorgi | Apr 1, 2015 | 10+ min read
Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?
Honeybee Compound for Hair Loss?
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Propolis, a natural product used by honeybees to repair their hives, stimulates hair growth in shaved mice.
A Cellar’s Cellular Treasure, 1992
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A spring cleaning led to the rediscovery of Theodor Boveri’s microscope slides, presumed lost during World War II.
One Man's Trash...
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Scientists who dared to waste their time looking at the midbody, a remnant of cell division, have catapulted the organelle to new prominence.
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