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microscopy image series showing 8 days of embryo development
Mouse Embryo: No Sperm, Egg, or Uterus Required
Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.
Mouse Embryo: No Sperm, Egg, or Uterus Required
Mouse Embryo: No Sperm, Egg, or Uterus Required

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

embryogenesis
Kathryn Anderson, forward genetics, genetics & genomics, model organisms, Toll, hedgehog, embryogenesis, developmental biology, cell differentiation, cilia,
Developmental Biologist Kathryn Anderson Dies at 68
Amanda Heidt | Jan 6, 2021 | 4 min read
The Sloan Kettering researcher used mutagenic screening to probe genes and molecular pathways, including Toll and Hedgehog, essential to development in fruit flies and mice.
Image of the Day: Impaired Meiosis
Amy Schleunes | Feb 7, 2020 | 1 min read
A phthalate commonly found in shampoos, cosmetics, and cleaning products disrupts reproduction in worms.
Mouse Stem Cells Made to Form Embryo-Like Structures
Ruth Williams | Oct 3, 2018 | 3 min read
With just a molecular nudge, aggregates of embryonic stem cells take shape as a “gastroloid,” bearing the genetic hallmarks and spatial organization of early development.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018 | 4 min read
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Studies Show How Cells Differentiate at Life’s Beginning
Shawna Williams | Apr 27, 2018 | 1 min read
A trio of papers provide new insight into embryo development.
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Vikramjit Lahiri and Daniel J. Klionsky | Mar 1, 2018 | 10+ min read
New details of the molecular process by which our cells consume themselves point to therapeutic potential.
Coming to Terms
Anna Ajduk and Magdalena Zernicka-Goetz | Nov 1, 2012 | 10+ min read
New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.
The Sharper Image
Jeffrey M. Perkel | Oct 1, 2012 | 7 min read
Advances in light microscopy allow the mapping of cell migration during embryogenesis and capture dynamic processes at the cellular level.
Taking the Long View
Karen Hopkin | Sep 1, 2012 | 9 min read
In exploring how embryos take shape, John Wallingford has identified a key pathway involved in vertebrate development—and human disease.
Of Frogs and Embryos
Karen Hopkin | Sep 1, 2012 | 1 min read
Associate Professor in Molecular Cell & Developmental Biology at the University of Texas at Austin, John Wallingford, makes his living using cutting-edge microscopic techniques to watch developmental events unfold in real time.
Never Say Never
H. Steven Wiley | Feb 1, 2012 | 3 min read
Novel observations can sometimes be correct for unexpected reasons.
Embryos Right Genetic Wrongs?
Amy Maxmen | Jul 8, 2011 | 3 min read
New evidence supports an old idea that embryos with genetic abnormalities can somehow fix themselves early in development.
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