A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.
A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins

A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.

A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.

zebrafish
Regulators of Gene Activity in Animals Are Deeply Conserved
Regulators of Gene Activity in Animals Are Deeply Conserved
Amanda Heidt | Nov 6, 2020
Enhancers, short regions of DNA that direct gene expression, of species separated by 700 million years of evolution worked interchangeably, according to a new study.
Michelle Gray Tracks Huntington’s in Different Brain Cells
Michelle Gray Tracks Huntington’s in Different Brain Cells
Amanda Heidt | Oct 1, 2020
The University of Alabama at Birmingham neuroscientist aims to determine which cells are most important in prompting the disease’s initiation and progression.
Scientists Predict Fish Behavior from Real-Time Brain Monitoring
Scientists Predict Fish Behavior from Real-Time Brain Monitoring
Abby Olena | Jan 22, 2020
Researchers could anticipate which way an eight-day-old zebrafish will flick its tail based on brain activity 10 seconds earlier.
Image of the Day: Zebrafish Olfactory Epithelium
Image of the Day: Zebrafish Olfactory Epithelium
Emily Makowski | Nov 1, 2019
Studies of the rosette-like structure can reveal clues to brain recovery after injury.
Sleep Is Critical for the Zebrafish Brain to Repair DNA Damage
Sleep Is Critical for the Zebrafish Brain to Repair DNA Damage
Catherine Offord | Mar 6, 2019
Neurons can only efficiently fix genetic injuries when the animals are asleep.
Image of the Day: Water Sensors
Image of the Day: Water Sensors
Carolyn Wilke | Feb 19, 2019
Zebrafish detect water movement around them through signals sent to the brain by cells containing tiny hairs.
Effects of Antidepressants Span Three Generations in Fish
Effects of Antidepressants Span Three Generations in Fish
Diana Kwon | Dec 10, 2018
Fluoxetine dampened stress responses in zebrafish embryos exposed to the drug—and their descendants.
Image of the Day: Gut Feeling
Image of the Day: Gut Feeling
Shawna Williams | Nov 28, 2018
An unusual population of immune cells appears to exist in zebrafish as well as mammals.
Image of the Day: See Through
Image of the Day: See Through
Catherine Offord | Nov 6, 2018
A zebrafish model of the birth defect craniosynostosis provides insights into how the condition develops.
Image of the Day: The Birth of a Nervous System
Image of the Day: The Birth of a Nervous System
Jef Akst | Oct 2, 2018
The winner of the 2018 Nikon Small World in Motion video competition shows the development of sensory neurons in a zebrafish embryo.
Image of the Day: Single Origin
Image of the Day: Single Origin
Sukanya Charuchandra | Aug 10, 2018
Despite being made of different materials, zebrafishes’ and land animals’ scales form in a similar process.
Image of the Day: Bundle of Nerves
Image of the Day: Bundle of Nerves
Sukanya Charuchandra | Jul 26, 2018
Live-cell imaging reveals the secrets of innervation in the pancreas of zebrafish.
Magnetic Microrobots Deliver Cells Into Living Animals
Magnetic Microrobots Deliver Cells Into Living Animals
Sukanya Charuchandra | Jun 27, 2018
The miniscule carriers successfully transported and released live cells at a particular location within living mice.
Studies Show How Cells Differentiate at Life’s Beginning
Studies Show How Cells Differentiate at Life’s Beginning
Shawna Williams | Apr 27, 2018
A trio of papers provide new insight into embryo development.
Image of the Day: Immune Cell In Action
Image of the Day: Immune Cell In Action
The Scientist Staff, The Scientist Staff | Apr 23, 2018
By combining two new microscopy technologies, researchers filmed immune cells toiling away in the inner ear of a living zebrafish.
Caught on Camera
Caught on Camera
The Scientist Staff | Apr 1, 2018
Selected Images of the Day from the-scientist.com
Zebrafish and Medaka Can Sense Magnetic Fields
Zebrafish and Medaka Can Sense Magnetic Fields
Shawna Williams | Mar 19, 2018
Unlike in some animals, their sense of magnetoreception appears to be independent of blue light.
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.