developmental biology

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Wikimedia Commons, Fish & Wildlife Service, John and Karen Hollingsworth

How Tigers Get Their Stripes

By Bob Grant

For the first time researchers have demonstrated the molecular tango that gives rise to repeating patterns in developing animal embryos.

C. elegans embryonic cells with plasma membranes in purple and myosin motors in yellow. The embryo has 26 cells at this stage, and two of the cells  are about to become internalized, moving from the surface to the interior. Chris Higgins, UNC Chapel Hill and Liang Gao, Janelia Farm

Cell Change Up

By Cristina Luiggi

Imaging cell cytoskeletons during early embryonic development leads researchers to uncover a new regulator of cell shape

Shutterstock, iDesign

Iron Builds a Better Brain

By Ruth Williams

Brain imaging and gene analyses in twins reveal that white matter integrity is linked to an iron homeostasis gene.

BRian Hillier

Lynne-Marie Postovit: Cancer Modeler

By Sabrina Richards

Assistant Professor, Department of Anatomy and Cell Biology, University of Western Ontario. Age: 34

Wikimedia Commons, NASA/IMAX

Astronaut Worms Return from Space

By Jef Akst

After 6 months in orbit, Caenorhabditis elegans return to Earth—alive and well.

laubertphoto

Frank Bradke: Privy to Axon Growth

By Jef Akst

Full Professor and Senior Research Group Leader, German Center for Neurodegenerative Diseases. Age: 42

Japanese fire-bellied newt Kenta Hayashi

Newts’ New Eyes

By Richard P. Grant

Cut off a newt’s tail or a leg, or remove a lens from its eye, and it grows back. However,…

Andrzej Krauze

Eye of Newt

By Richard P. Grant

Researchers find that newts are capable of regenerating body parts well into old age.

12_11_ModusOp

Flow Cytometry for the Masses

By Richard P. Grant

Tagging antibodies with rare earth metals instead of fluorescent molecules turns a veteran technique into a high-throughput powerhouse.

Nazca BoobyWikimedia Commons, Benjamint444

Behavior Brief

By Jef Akst

A round-up of recent discoveries in behavior research