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Virulence-dependent induction of Hsp70/Hsc70 in tomato by Ralstonia solanacearum by Heather-Anne Byth; Karolina G Kuun; Liza Bornman is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Virulence-dependent induction of Hsp70/Hsc70 in tomato by Ralstonia solanacearum about?

The selective induction of heat shock protein(s) (HSP) in human cells during bacterial, parasitic or viral infection and the accompanying cytoprotection initiated an interest in this conserved group of proteins -either as markers of disease outcome and severity or in novel therapeutic approaches. Knowledge concerning the induction and role of HSP in plant-pathogen interactions is however limited. The objective of this study was to investigate the expression of constitutive and inducible members of the 70-kDa HSP family (Hsp70/Hsc70) during compatible and incompatible interactions in tomato Lycopersicon esculentum L. cv. UC82B. Cell suspensions were co-cultured with virulent (biovar III) or avirulent (biovar II) strains of Ralstonia solanacearum, the causative agent of bacterial wilt, and samples harvested at specific time points for the analysis of pathogenesis-related protein-1 (PR-1) accumulation, phenylalanine ammonia-lyase (EC 4.3.1.5, PAL) activity, Hsp70/Hsc70 accumulation and cell survival. Besides inducing PR-1 (6-18 h, P < 0.05), biovar II caused a virulence-dependent induction of Hsp70/Hsc70 (24-48 h, P < 0.05) coinciding with the induction of PAL activity (24-48 h, P < 0

Who reads Virulence-dependent induction of Hsp70/Hsc70 in tomato by Ralstonia solanacearum?

Author

Heather-Anne Byth; Karolina G Kuun; Liza Bornman

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0981-9428)

Published

2001

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)