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.