Chromosome replication dynamics in the archaeon Sulfolobus acidocaldarius.
The "baby machine" provides a means of generating synchronized cultures of minimally perturbed cells. We describe the use of this technique to establish the key cell-cycle parameters of hyperthermophilic archaea of the genus Sulfolobus. The 3 DNA replication origins of Sulfolobus acidocaldarius were mapped by 2D gel analysis to near 0 (oriC2), 579 (oriC1), and 1,197 kb (oriC3) on the 2,226-kb circular genome, and we present a direct demonstration of their activity within the first few minutes...Expand abstract
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