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Mol Microbiol. 1996 Aug;21(3):501-9.

The Bacillus subtilis soj-spo0J locus is required for a centromere-like function involved in prespore chromosome partitioning.

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Sir William Dunn School of Pathology, University of Oxford, UK.


During sporulation in Bacillus subtilis a small prespore cell is formed by an asymmetric cell division. Pre-spore chromosome partitioning occurs by a specialised mechanism in which septation precedes chromosome movement. We show that the spo0J gene is needed to specify the orientation of the chromosome at the time of polar division and to impose directionality on the subsequent transport of the remainder of the chromosome through the septum. Both phenotypes may arise by disruption of a centromere-like apparatus that anchors the or/C region of the prespore chromosome in the pole of the cell.

[Indexed for MEDLINE]

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