“Coordination of mesoderm migration during Drosophila gastrulation” Cross-sections of Drosophila embryos in wild-type and mutant backgrounds: brown and black depicts the migrating mesoderm (anti-Twist staining) or dual-phosphorylated form of ERK (anti-dpERK), and blue depicts gene expression of either HSPGs Trol or Syndecan. From Trisnadi and Stathopoulos. Photo credit: Nathanie Trisnadi.

Cristy Gelling is a science writer, lapsed yeast geneticist, and former Communications Director at the GSA.

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