Sentences with phrase «after embryonic development»

This program normally shuts off after embryonic development, but occasionally — for reasons not yet known — crestin and other genes in the program turn back on in certain cells.

Not exact matches

While the entity generated by deleting or disabling early embryonic genes would produce only an unorganized collection of stem cells, it would do so after a period of what appears to be relatively normal development.

Comparison of the data revealed that use of certain starting points differs in two phases of embryonic development in particular: Before and after activation of the embryonic genome.

This molecule pours out of embryonic cranial cells after infection with Zika virus, and could harm brain development.

Because the RNAi wasn't used to dampen FOXP2 activity until 23 days after the birds hatched, the new study shows that the gene has a role beyond embryonic development, says neurogeneticist Simon Fisher of the University of Oxford in the U.K. «The gene, at least in songbirds, may have important active functions in [neural] circuits,» he says.

Mutations in these animals began to amass during embryonic development, while normal animals don't begin to accumulate mutations until after birth.

Very soon after fertilization, the control of embryonic development shifts from pre-existing maternal gene products to the products of genes encoded by the early embryo (or zygote).

The researchers used this live - imaging technique to study fly embryos at a key stage in their development, approximately two hours after the onset of embryonic life where the genes undergo fast and furious transcription for about one hour.

In contrast to many other animals, human embryonic development is a mysterious process, particularly in the first weeks after conception.

The challenge takes on even more urgency with recent developments, including a federal administration now more open to exploring the potential of stem cells, the recent FDA approval of a human trial involving embryonic stem cells, as well as the reported case of a young boy who developed a brain tumor four years after receiving a stem - cell treatment for a rare genetic disorder.

This current is a natural adjunct of embryonic development, present in all wild - type hair cells but declining after birth with emergence of the normal - polarity current.