Molecular biology of embryonic development: how far have we come in the last ten years?
The successes of molecular developmental biology over the last ten years have been particularly impressive in those directions favored by its major paradigms. New technologies have both guided and been guided by the progress of the field. I review briefly some of the major insights into embryonic development that have derived from research in four specific areas: early embryogenesis of various forms; 'pattern formation'; evolutionary conservation of regulatory elements; and spatial mechanisms of gene regulation. There remain many major problem areas, some of which may require new orientations to solve.
Division of Biology, California Institute of Technology, Pasadena 91125.
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Davidson
D000818:Animals; D005314:Embryonic and Fetal Development / Q000235:genetics; D018507:Gene Expression Regulation, Developmental; D008967:Molecular Biology / Q000639:trends*