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
Image of the Day: Scrambled Frog Eggs
Image of the Day: Scrambled Frog Eggs
Emily Makowski | Nov 6, 2019
Cellular innards can reorganize themselves to form structures similar to cells.
Image of the Day: Unusual Fungi Reproduction
Image of the Day: Unusual Fungi Reproduction
Emily Makowski | Oct 30, 2019
A variety of yeasts collected near Woods Hole, Massachusetts, show unconventional cell division.
Microscopy and Imaging Leader Shinya Inoué Dies
Microscopy and Imaging Leader Shinya Inoué Dies
Jef Akst | Oct 7, 2019
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: Mother Machine
Image of the Day: Mother Machine
Emily Makowski | Sep 20, 2019
Bacteria grow and divide in microfluidic channels.
Image of the Day: Wrench in the Works
Image of the Day: Wrench in the Works
Carolyn Wilke | Mar 26, 2019
In cell division, a protein called spastin appears to help tear down a bridge between daughter cells.
Image of the Day: Sperm Donors
Image of the Day: Sperm Donors
Carolyn Wilke | Mar 18, 2019
Asexual female nematodes use their male offsprings’ sperm to fertilize eggs, but cast away their genes.
Image of the Day: Metastatic Moment
Image of the Day: Metastatic Moment
Carolyn Wilke | Feb 27, 2019
A human breast cancer cell divides as it moves through surrounding blood vessel cells in vitro.
Image of the Day: Nuclei Hoarders
Image of the Day: Nuclei Hoarders
Carolyn Wilke | Feb 21, 2019
When lacking certain enzymes that help plants coordinate cell division, Arabidopsis thaliana cells grow and collect multiple nuclei.
Image of the Day: Cellular Breakdown
Image of the Day: Cellular Breakdown
Carolyn Wilke | Jan 31, 2019
Autophagy may keep cell division in check to help protect against cancer-causing DNA damage.
Image of the Day: Nature by Hand
Image of the Day: Nature by Hand
Carolyn Wilke | Jan 4, 2019
Scientist D. Allan Drummond’s study of life in sculpture aims to provoke curiosity and wonder about the world.
Image of the Day: Shoots Up
Image of the Day: Shoots Up
Ashley Yeager | Dec 14, 2018
During plants’ cell division, mother cells give daughter cells a signal to show them which way is up.
Cell Biologist Andreas Doncic Dies
Cell Biologist Andreas Doncic Dies
Kerry Grens | May 7, 2018
The young UT Southwestern professor studied cell fate in yeast and was about to publish the first results from his lab.
Image of the Day: Cell Division
Image of the Day: Cell Division
The Scientist Staff, The Scientist Staff | Feb 5, 2018
A combination of imaging techniques allows researchers to observe subcellular processes within organisms.
Microglia Turnover in the Human Brain
Microglia Turnover in the Human Brain
Shawna Williams | Oct 1, 2017
Researchers find that about a quarter of the immune cells are replaced every year.
Researchers Identify Clue to Asymmetric Cell Division
Researchers Identify Clue to Asymmetric Cell Division
Shawna Williams | Sep 1, 2017
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
Infographic: Why Not All Cell Divisions Are Equal
Shawna Williams | Aug 31, 2017
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
Cell Cannibalism as Cancer Defense
Jef Akst | Jul 11, 2017
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.
Image of the Day: Faster Than a Speeding Root Tip
Image of the Day: Faster Than a Speeding Root Tip
The Scientist Staff | May 16, 2017
Cells within the growing root tip of an Arabidopsis plant elongate and divide, driving it forward in search of nutrients.
Extra Centrosomes Can Drive Tumor Formation in Mice
Extra Centrosomes Can Drive Tumor Formation in Mice
Diana Kwon | Apr 1, 2017
Mice engineered to overproduce the organelles involved in cell division spontaneously develop malignancies.