ice nucleator, developmental biology
CRISPR Used in Human Embryos to Probe Gene Function
CRISPR Used in Human Embryos to Probe Gene Function
Ashley P. Taylor | Sep 20, 2017
OCT4 is necessary for blastocyst formation in the human embryo, researchers report.
Sea Anemones Illuminate the Evolution of Embryo Development
Sea Anemones Illuminate the Evolution of Embryo Development
Abby Olena | Sep 11, 2017
A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.
Snake Sex Determination Dogma Overturned
Snake Sex Determination Dogma Overturned
Abby Olena | Jul 6, 2017
Researchers find that boas and pythons use an XY sex chromosome system, rather than the previously assumed ZW system found in some other snakes.
Fetal Immune System Operational by Second Trimester
Fetal Immune System Operational by Second Trimester
Abby Olena | Jun 14, 2017
Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.
Embryonic Evolution Through Ernst Haeckel’s Eyes
Embryonic Evolution Through Ernst Haeckel’s Eyes
Diana Kwon | May 1, 2017
The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.
Macrophages Physically Relay Signals Between Cell Types
Macrophages Physically Relay Signals Between Cell Types
Catherine Offord | May 1, 2017
Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.
Infographic: How the Zebrafish Got Its Stripes
Infographic: How the Zebrafish Got Its Stripes
Catherine Offord | Apr 30, 2017
Immune cells called macrophages shuttle cellular messages in the skin.
Artificial Womb Supports Premature Fetal Lamb Development
Artificial Womb Supports Premature Fetal Lamb Development
Tracy Vence | Apr 25, 2017
The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.
Image of the Day: Stop Signals
Image of the Day: Stop Signals
The Scientist Staff | Apr 16, 2017
Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.
Image of the Day: Tubular Origins
Image of the Day: Tubular Origins
The Scientist Staff | Mar 22, 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.