Surface Immunolocalisation of HPr in the Equine Pathogen Streptococcus equi

We have investigated the surface localisation of the phosphotransferase system protein HPr in the equine pathogen Streptococcus equi subsp. equi using immunogold localisation and transmission electron microscopy. Like the LppC acid phosphatase lipoprotein, a reference surface antigen, the S. equi HP...

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Veröffentlicht in:Systematic and applied microbiology 2001-12, Vol.24 (4), p.486-489
Hauptverfasser: Dixon, Sarah, Haswell, Malcolm, Harrington, Dean, Sutcliffe, Iain C.
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container_title Systematic and applied microbiology
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creator Dixon, Sarah
Haswell, Malcolm
Harrington, Dean
Sutcliffe, Iain C.
description We have investigated the surface localisation of the phosphotransferase system protein HPr in the equine pathogen Streptococcus equi subsp. equi using immunogold localisation and transmission electron microscopy. Like the LppC acid phosphatase lipoprotein, a reference surface antigen, the S. equi HPR could be clearly detected on the surfaces of intact cells. This study is consistent with previous reports that some streptococcal HPr is cell surface associated and suggests that the extracytoplasmic mobilisation and transfer of phosphate groups by streptococci warrant further investigation.
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subjects Bacterial Proteins - metabolism
Bacteriology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
HPr protein
Immunohistochemistry
Microbiology
Microscopy, Electron
Morphology, structure, chemical composition
Phosphoenolpyruvate Sugar Phosphotransferase System - metabolism
phosphotransferase system
streptococci
Streptococcus equi
Streptococcus equi - metabolism
surface antigen
title Surface Immunolocalisation of HPr in the Equine Pathogen Streptococcus equi
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