Streptomyces lividans groES, groEL1 and groEL2 genes-Reference-Cited by-同舟云学术

Streptomyces lividans groES, groEL1 and groEL2 genes

Published:1997-11-01 Issue:11 Volume:143 Page:3563-3571
ISSN:1350-0872
Container-title:Microbiology
language:en
Short-container-title:

Author:

de León Patricia¹,Marco Sergio¹,Isiegas Carolina¹,Marina Anabel²,Carrascosa José L.¹,Mellado Rafael P.¹

Affiliation:

1. Centro Nacional de Biotecnología (CSIC), Campus de la Universidad Autónoma, Cantoblanco, 28049 Madrid, Spain

2. Centra de Biología Molecular Severo Ochoa, Campus de la Universidad Autónoma, Cantoblanco, 28049 Madrid, Spain

Abstract

The Streptomyces lividans groES/ELI operon and groEL2 gene were cloned and their respective DNA sequences determined. The sequenced DNA comprised the genes and their respective regulatory regions in both cases. Transcription of both groES/EL1 and groEL2 seemed to be subjected to temporal control at 30 °C. At 45 °C the amount of the groEL2 transcript increased considerably in comparison to that of groES/EL1. Among the proteins synthesized under heat shock by S. lividans, a fraction enriched in GroEL2 showed the presence of a ring-shaped structure that resembles that of other chaperonins and was active in a rhodanase folding assay.

Publisher

Microbiology Society

Subject

Microbiology

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