Type I Elements Mediate Replication Fork Pausing at Conserved Upstream Sites in the Tetrahymena thermophila Ribosomal DNA Minichromosome

David M. MacAlpine, Zhi Zhang, Geoffrey M. Kapler

Two-dimensional gel electrophoresis was used to study replication of the Tetrahymena thermophila ribosomal DNA (rDNA) minichromosome. During vegetative growt...