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Journal of Bacteriology, May 2005, p. 3572-3580, Vol. 187, No. 10
0021-9193/05/$08.00+0     doi:10.1128/JB.187.10.3572-3580.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Developmental-Stage-Specific Assembly of ParB Complexes in Streptomyces coelicolor Hyphae

Dagmara Jakimowicz,^1,2* Bertolt Gust,^1, Jolanta Zakrzewska-Czerwinska,² and Keith F. Chater¹

John Innes Centre, Norwich Research Park, Colney, Norwich NR4 7UH, United Kingdom,¹ Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, ul. Weigla 12, 53-114 Wroclaw, Poland²

Received 9 December 2004/ Accepted 14 February 2005

In Streptomyces coelicolor ParB is required for accurate chromosome partitioning during sporulation. Using a functional ParB-enhanced green fluorescent protein fusion, we observed bright tip-associated foci and other weaker, irregular foci in S. coelicolor vegetative hyphae. In contrast, in aerial hyphae regularly spaced bright foci accompanied sporulation-associated chromosome condensation and septation.

Present address: Pharmazeutische Biologie, Pharmazeutisches Institut, Universität Tübingen, 72076 Tübingen, Germany.

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