Maternal-effect follicle-cell genes can code for transcription factors {dorsal gene protein transcription factor} that establish front-to-back embryo polarity. Factor is similar to rel protein and NF-kappaB. Factor concentrates in cell nucleus ventrally, and cytoplasm dorsally, in all embryo cells. Cactus gene and Toll gene can partition dorsal-gene-protein transcription factor to these cell locations.
Biological Sciences>Genetics>Gene>Development>Polarity
4-Genetics-Gene-Development-Polarity
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Date Modified: 2022.0224