Myocyte enhancer factor 2 protein (Mef2) is an evolutionarily conserved activator of transcription that is critical to induce and control complex processes in myogenesis and neurogenesis in vertebrates and insects. and osteogenesis in vertebrates. In Drosophila. Mef2 null mutants are unable to produce differentiated muscle cells. https://thecookiecountesses.shop/product-category/pattern-sheets/