Initiation of the primitive streak in avian embryos provides a well-studied example of a pattern-forming event that displays a striking capacity for regulation. The mechanisms underlying the regulative properties are, however, poorly understood and are not easily accounted for by traditional models
CELL CYCLE IN THE PRIMITIVE STREAK AND THE NOTOCHORD OF EARLY CHICK EMBRYOS
β Scribed by KENJIRO OZATO
- Book ID
- 108942046
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 789 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0012-1592
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## Abstract Fresh pullet eggs (White Leghorn Strain) were incubated to obtain the primitive streak stage of development. Blastoderms were fixed in situ with isotonic aldehyde fixatives and prepared for scanning electron microscopy by means of postosmication, critical point drying and goldβpalladium
Induction of the primitive streak is correlated with specific qualitative and quantitative changes in protein synthesis in the component areas of chick blastoderm. Blastoderm embryos at the initial to intermediate primitive streak stage were labeled with L-[S] methionine. Radioactively labeled prote