Cells of Bacillus subtilis triggered to sporulate under conditions of rapid growth undergo a marked decrease in chromosome copy number, which was partially relieved by a mutation in the sporulation-induced gene yneE. Cells engineered to express yneE during growth were impaired in viability and produced anucleate cells. We conclude that YneE is an inhibitor of DNA replication.
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Rahn-Lee et al. (2009) studied this question.
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