Heat Shock Response by the Hyperthermophilic Archaeon Pyrococcus furiosus

Author:

Shockley Keith R.1,Ward Donald E.1,Chhabra Swapnil R.1,Conners Shannon B.1,Montero Clemente I.1,Kelly Robert M.1

Affiliation:

1. Department of Chemical Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905

Abstract

ABSTRACT Collective transcriptional analysis of heat shock response in the hyperthermophilic archaeon Pyrococcus furiosus was examined by using a targeted cDNA microarray in conjunction with Northern analyses. Differential gene expression suggests that P . furiosus relies on a cooperative strategy of rescue (thermosome [Hsp60], small heat shock protein [Hsp20], and two VAT-related chaperones), proteolysis (proteasome), and stabilization (compatible solute formation) to cope with polypeptide processing during thermal stress.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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