Complex sentence: The first vertebrate Hox gene was isolated in Xenopus by Eddy De Robertis and colleagues in 1984, marking the beginning of the young science of Evo-Devo (Carrasco, McGinnis, Gehring and De Robertis, Cell 37,409-414,1984).
Split into simpler sentences: The first vertebrate Hox gene was isolated in Xenopus by Eddy De Robertis and colleagues in 1984. This marked the beginning of Evo-Devo (Carrasco et al., Cell 37,409-414,1984).