Cohesins , the proteins that are thought to anchor sister chromatids to one another before anaphase, must be present during DNA replication if cohesion is to be established. In the 4 August Science ...
BRCA gene expression is induced at the G1/S boundary in cultured cell lines (Gudas et al., 1996; Vaughn et al., 1996a,b) and primary tissues (Blackshear et al., 1998; Rajan et al., 1996), and the ...