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. 2001 Dec;109(6):402-8.
doi: 10.1034/j.1600-0722.2001.00107.x.

The heat shock response of Fusobacterium nucleatum

C K Skar  1 , V Bakken
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The heat shock response of Fusobacterium nucleatum

C K Skar et al. Eur J Oral Sci. 2001 Dec.

Abstract

The heat-shock response of the oral Gram-negative bacterium Fusobacterium nucleatum was examined. Different strains of F. nucleatum were grown at 37 C. 42 degrees C and 48 C in the presence of [35S]methionine. Cellular proteins synthesised after shifts to higher temperatures were analysed by SDS-PAGE and autoradiography. Strains ATCC 10953, F1, F3 and Fev1 exhibited heat-shock response, and major proteins were observed at 60, 70 and 90 kDa. but increased protein synthesis was also observed for other proteins. Immunoblot analysis, using a panel of antibodies directed to epitopes on different known heat-shock proteins revealed cross-reactive proteins, indicating homology between Escherichia coli, Mycobacterium leprae and F. nucleatum heat shock proteins.

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