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False color image of two Caenorhabditis elegans roundworms; blue on a black background
Mitochondrial Stress Is Passed Between Generations
Researchers identified a novel mechanism by which chemically induced stress is “remembered” by the mitochondria of worms more than 50 generations after the original trigger.
Mitochondrial Stress Is Passed Between Generations
Mitochondrial Stress Is Passed Between Generations

Researchers identified a novel mechanism by which chemically induced stress is “remembered” by the mitochondria of worms more than 50 generations after the original trigger.

Researchers identified a novel mechanism by which chemically induced stress is “remembered” by the mitochondria of worms more than 50 generations after the original trigger.

cell & molecular biology, C. elegans

How C. elegans Transmit Stress Signals to Offspring
Infographic: How C. elegans Transmit Stress Signals to Offspring
Amanda Heidt | Dec 1, 2021 | 1 min read
Neurons stressed with chemicals produce Wnt, which in turn triggers changes in the germline.
Can Single Cells Learn?
Catherine Offord | May 1, 2021 | 10+ min read
A controversial idea from the mid-20th century is attracting renewed attention from researchers developing theories for how cognition arises with or without a brain.
How Worms Avoid Eating Bad Bacteria and Warn Their Offspring Too
Jef Akst | Dec 12, 2019 | 3 min read
A small RNA in Pseudomonas triggers an avoidance response in C. elegans that can be passed on to the next generation, according to research presented at this week’s meeting of the American Society for Cell Biology.
How One Neuron Regulates Two Separate Behaviors
Ruth Williams | Nov 14, 2019 | 3 min read
A major sensory neuron in roundworms distinguishes proprioception from harmful touch by sending out local or whole-cell signals, respectively.
Image of the Day: Cellular Pulse
Shawna Williams | Oct 29, 2018 | 1 min read
The protein RhoA coordinates pulses of movement in Caenorhabditis elegans cells.
Worms’ Magnetic Sense Questioned
Abby Olena, PhD | Apr 25, 2018 | 5 min read
Unsuccessful attempts to reproduce the results of a 2015 study reporting that C. elegans orient themselves by Earth’s magnetic field spark debate among researchers.
Mitochondrial Networks Explain Why Caloric Restriction Extends Worms’ Lives
Jef Akst | Nov 7, 2017 | 2 min read
Maintaining dynamic connections among the body’s mitochondria is required for the health and life-extending benefits of low-calorie diets for nematodes.
Long Live Collagen
Ashley P. Taylor | Mar 1, 2015 | 2 min read
Increased collagen expression is a common feature of many different pathways to extended longevity in worms.
Meiosis Maven
Anna Azvolinsky | Feb 1, 2014 | 8 min read
Fueled by her love of visual data and addicted to chromosomes, Abby Dernburg continues to study how homologous chromosomes find each other during gamete formation.
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