Journal
JOURNAL OF BACTERIOLOGY
Volume 185, Issue 20, Pages 6209-6214Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.185.20.6209-6214.2003
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We analyzed the chromosome region of Streptococcus pneumoniae located downstream of the division and cell wall (dcw) cluster that contains the homolog of the Bacillus subtilis cell division gene divIVA and some genes of unknown function. Inactivation of divIVA in S. pneumoniae resulted in severe growth inhibition and defects in cell shape, nucleoid segregation, and cell division. Inactivation of the ylm genes resulted in some morphological and/or division abnormalities, depending on the inactivated gene. Transcriptional analysis revealed a relationship between these genes and the ftsA and ftsZ cell division genes, also indicating that the connection between the dew cluster and the divIVA region is more extensive than just chromosomal position and gene organization.
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