Trink's work on the Yolk Syncytial Layer (YSL) in Fundulus Epiboly

One of Trinkaus’s first successful series of experiments on Fundulus helped establish the yolk syncytial layer’s (YSL) role in epiboly during gastrulation. The YSL is comprised of multi-nucleated yolk cells, positioned around the edge of the blastoderm, and it is continuous with the thinner yolk cytoplasmic layer (YCL). The blastoderm is the cellular cap of the embryo composed of an outer monolayer of epithelial cells (the enveloping layer, or EVL), and an inner mass of deep cells (see diagram).

Suggested citation
Racine, Valerie. (2015). "John Philip Trinkaus." MBL History Project digital exhibit. http://history.archives.mbl.edu/browse/exhibits/john-philip-trinkaus
Bibliography
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  • Trinkaus, John Philip. "The surface gel layer of Fundulus eggs in relation to epiboly." Proceedings of the National Academy of Sciences of the United States of America 35, no. 4 (1949): 218.
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  • Trinkaus, J. P. "Surface activity and locomotion of Fundulus deep cells during blastula and gastrula stages." Developmental biology 30, no. 1 (1973): 68-103.
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  • Trinkaus, John Philip. “Directional cell movement during early development of the teleost Blennius Pholis. I. Formation of epithelial cell clusters and their pattern and mechanism of movement.” Journal of Experimental Zoology 245 (1988a): 157-186.
  • Trinkaus, John Philip. “Directional cell movement during early development of the teleost Blennius Pholis. II. Transformation of the cells of epithelial clusters into dendritic melanocytes, their dissociation from each other, and their migration to and invasion of the pectoral fin buds.” Journal of Experimental Zoology 248 (1988b): 55-72.
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