Once Upon a Dream (Sleeping Beauty song) Once Upon a Dream (Sleeping Beauty song) "Once Upon a Dream" is a song written for the 1959 animated musical fantasy film "Sleeping Beauty" produced by Walt Disney. Its lyrics were written by Jack Lawrence, and its music by Sammy Fain. The song's melody is based on the "Grande valse villageoise" (nicknamed "The Garland Waltz"), from the 1890 ballet "The Sleeping Beauty" by Pyotr Ilyich Tchaikovsky. "Once Upon a Dream" serves as the film's main theme, and as the love theme of Princess Aurora and Prince Philip. It is performed in the film by a chorus as an overture and
Sleeping Beauty transposon system Sleeping Beauty transposon system The "Sleeping Beauty" transposon system is a synthetic DNA transposon designed to introduce precisely defined DNA sequences into the chromosomes of vertebrate animals for the purposes of introducing new traits and to discover new genes and their functions. It is a Tc1/mariner-type system, with the transposase resurrected from multiple inactive fish sequences. The "Sleeping Beauty" transposon system is composed of a "Sleeping Beauty" (SB) transposase and a transposon that was designed in 1997 to insert specific sequences of DNA into genomes of vertebrate animals. DNA transposons translocate from one DNA site to another in a simple,