Human Molecular Genetics, Vol 6, 2301-2308, Copyright © 1997 by Oxford University Press
T Fukagawa and WR Brown
We have used gene targeting in the DT40 cell line to create a cell line
which expresses a fusion between CENP-C and a mouse steroid receptor and
which behaves as a conditional loss of function mutant of CENP-C. Under
restrictive conditions these cells arrest at the metaphase/anaphase
junction and after a delay of approximately 2.5 h die by apoptosis. These
results indicate that CENP-C is either necessary for anaphase chromosome
movement or for mediating a signal which triggers centromere function
during anaphase. Our approach is simple and applicable to a wide range of
proteins with general cell autonomous functions in vertebrates.
ARTICLES
Efficient conditional mutation of the vertebrate CENP-C gene
Cancer Research Campaign Chromosome Molecular Biology Group, Biochemistry Department, Oxford University, South Parks Road, Oxford OX1 3QU, UK. tfukagaw@bioch.ox.ac.uk
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