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image: Ancient Protein Helps <em>E. coli</em> Thwart Viral Attack

Ancient Protein Helps E. coli Thwart Viral Attack

By | May 9, 2017

When engineered to use a four-billion-year-old version of the protein thioredoxin, the bacteria can stall bacteriophage replication, a new study shows.

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image: Warmer Temps Tied to Altered Microbiome in Lizards

Warmer Temps Tied to Altered Microbiome in Lizards

By | May 8, 2017

Bacterial differences after three-month temperature hikes, modeled after global warming predictions, were evident one year later, a study found.

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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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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: <em>Wolbachia</em>-infected Mosquitoes Released in Florida

Wolbachia-infected Mosquitoes Released in Florida

By | April 19, 2017

The bacterium causes eggs to die, and spreading treated insects is expected to curb Aedes aegypti populations.

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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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Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

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image: Image of the Day: Tubular Origins

Image of the Day: Tubular Origins

By | March 23, 2017

Murine neural tubes, with each image highlighting a different embryonic tissue type (blue). The neural tube itself (left) grows into the brain, spine, and nerves, while the mesoderm (middle) develops into other organs, and the ectoderm (right) forms skin, teeth, and hair.

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