Structure and Expression of a Plastid-encoded GroEL Homologous Heat-shock Gene in a Thermophilic Unicellular Red Alga

Overview

Journal Curr Genet

Specialty Genetics

Date 1992 May 1

PMID 1352188

Citations 7

Authors

U Maid

R STEINMULLER

K Zetsche

Affiliations

Soon will be listed here.

Abstract

A gene homologous to the E. coli groEL locus was identified on the plastid genome of the unicellular red alga Cyanidium caldarium strain 14-1-1 (synonym: Galdieria sulphuraria). The complete nucleotide sequence was determined and compared to bacterial- and nuclear-encoded counterparts of higher plants. At the amino-acid level the C. caldarium gene shows 70% homology to the corresponding gene of the cyanobacterium Synechococcus and 52% homology to nuclear-encoded counterparts of higher plants, respectively. Northern and Western blot experiments were used to investigate the dependence of the transcript- and protein-level on culture temperature and heat shock.

Citing Articles

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SecA is plastid-encoded in a red alga: implications for the evolution of plastid genomes and the thylakoid protein import apparatus.

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