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» zebrafish, developmental biology and ecology

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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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image: Image of the day: Stylish Zebrafish

Image of the day: Stylish Zebrafish

By | May 3, 2017

Zebrafish, Danio rerio, develop patterns of colorful stripes on their skin thanks to pigmented cells—dark melanophores, orange-gold xanthophores, and iridescent iridophores. 

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image: More Details on How Pesticides Harm Bees

More Details on How Pesticides Harm Bees

By | May 3, 2017

Scientists report that thiamethoxam exposure impairs bumblebees’ reproduction and honey bees’ ability to fly.

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.

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image: Image of the Day: Stop Signals

Image of the Day: Stop Signals

By | April 17, 2017

Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.

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