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1991•FEMS Microbiology LettersOpen access

Conservation of components of theEscherichia coliexport machinery in prokaryotes

H. M. Cook, Jan Tommassen

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Abstract

The SecA and SecB proteins are involved in protein translocation in Escherichia coli. Immunoblot analysis was used to investigate the possible conservation of these proteins in prokaryotes. Cross-reacting proteins were detected in all other Enterobacteriaceae tested, but not in microorganisms more distantly related from Escherichia coli.

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The SecA and SecB proteins are involved in protein translocation in Escherichia coli. Immunoblot analysis was used to investigate the possible conservation of these proteins in prokaryotes. Cross-reacting proteins were detected in all other Enterobacteriaceae tested, but not in microorganisms more distantly related from Escherichia coli.

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Available abstract

The SecA and SecB proteins are involved in protein translocation in Escherichia coli. Immunoblot analysis was used to investigate the possible conservation of these proteins in prokaryotes. Cross-reacting proteins were detected in all other Enterobacteriaceae tested, but not in microorganisms more distantly related from Escherichia coli.

Key concepts: Escherichia coli, Enterobacteriaceae, Escherichia, Biology, Microbiology, Bacteria, Escherichia coli Proteins, Bacterial protein

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