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© A. Chauhan, JM Ghigo, C. Beloin.
Biofilm formation by Pseudomonas aeruginosa bacteria in Central Venous Catheter. Bacteria are stained in yellow and blood cells in red.
Publication : Biochimie

A possible role for L24 of Bacillus subtilis in nucleoid organization and segregation

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Biochimie - 01 Feb 2001

Exley R, Zouine M, Pernelle JJ, Beloin C, Le Hégarat F, Deneubourg AM.

Link to Pubmed [PMID] – 11278078

Biochimie. 2001 Feb;83(2):269-75.

The condensation of DNA in bacterial nucleoids during cell cycle is a complex and dynamic process. Proteins displaying the physico-chemical properties of histones are known to contribute to this process. During a search for B. subtilis nucleoid associated proteins, HBsu and L24 were identified as the most abundant proteins in nucleoid containing fractions. Purified L24 binds and condenses DNA in vitro. In this paper we describe immunofluorescence studies that demonstrated that L24 is located at the poles of the nucleoids in exponentially growing cells. In contrast, the protein is dispersed in the cytoplasm during stationary phase. Moreover, overexpression of the rplX gene encoding L24 disrupts nucleoid segregation and positioning.

http://www.ncbi.nlm.nih.gov/pubmed/11278078