The Evolution of Mobile DNAs: When Will Transposons Create Phylogenies That Look As If There Is a Master Gene? From: Genetics | Date: June 1, 2006| Author: Johnson, Louise J; Brookfield, John F Y | Copyright Genetics Society of America Jun 2006. Provided by ProQuest LLC.Copyright information

ABSTRACT

Some families of mammalian interspersed repetitive DNA, such as the Alu SINE sequence, appear to have evolved by the serial replacement of one active sequence with another, consistent with there being a single source of transposition: the "master gene." Alternative models, in which multiple source sequences are simultaneously active, have been called "transposon models." Transposon models differ in the proportion of elements that are active and in whether inactivation occurs a...

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