Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii

An indirect competitive enzyme immunoassay of Enterobacter sakazakii has been developed. The rabbit polyclonal antibodies to heat-labile or heat-stable antigen of the type strain E. sakazakii CNCTC 5739T were prepared for these purposes. The detection limits of enzyme immunoassays were within the ra...

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Main Authors: Igor Hochel, Jiří Škvor
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2009-12-01
Series:Czech Journal of Food Sciences
Subjects:
Online Access:https://cjfs.agriculturejournals.cz/artkey/cjf-200911-0009_characterisation-of-antibodies-for-the-immunochemical-detection-of-enterobacter-sakazakii.php
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author Igor Hochel
Jiří Škvor
author_facet Igor Hochel
Jiří Škvor
author_sort Igor Hochel
collection DOAJ
description An indirect competitive enzyme immunoassay of Enterobacter sakazakii has been developed. The rabbit polyclonal antibodies to heat-labile or heat-stable antigen of the type strain E. sakazakii CNCTC 5739T were prepared for these purposes. The detection limits of enzyme immunoassays were within the range 0.6-14.4 × 105 cells/ml. Antibodies raised to heat-labile antigen were serotype-specific. Although they contain non-specific IgG fractions binding periplasmatic and cytosol proteins, the interactions of these immunoglobulins are not manifested under conditions of ELISA developed.
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spelling doaj.art-36440221d7324ac58b0dbcc07b65b3e72023-02-23T03:27:32ZengCzech Academy of Agricultural SciencesCzech Journal of Food Sciences1212-18001805-93172009-12-0127Special Issue 2SII66SII7410.17221/206/2009-CJFScjf-200911-0009Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakiiIgor Hochel0Jiří Škvor1Department of Biochemistry and Microbiology, Faculty of Food and Biochemical Technology, Institute of Chemical Technology in Prague, Prague, Czech RepublicDepartment of Medical Biophysics, 1 st Medical Faculty, Charles University in Prague, Prague, Czech RepublicAn indirect competitive enzyme immunoassay of Enterobacter sakazakii has been developed. The rabbit polyclonal antibodies to heat-labile or heat-stable antigen of the type strain E. sakazakii CNCTC 5739T were prepared for these purposes. The detection limits of enzyme immunoassays were within the range 0.6-14.4 × 105 cells/ml. Antibodies raised to heat-labile antigen were serotype-specific. Although they contain non-specific IgG fractions binding periplasmatic and cytosol proteins, the interactions of these immunoglobulins are not manifested under conditions of ELISA developed.https://cjfs.agriculturejournals.cz/artkey/cjf-200911-0009_characterisation-of-antibodies-for-the-immunochemical-detection-of-enterobacter-sakazakii.phpenterobacter sakazakiiheat-labile antigeniggelisacross-reactivity
spellingShingle Igor Hochel
Jiří Škvor
Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
Czech Journal of Food Sciences
enterobacter sakazakii
heat-labile antigen
igg
elisa
cross-reactivity
title Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
title_full Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
title_fullStr Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
title_full_unstemmed Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
title_short Characterisation of antibodies for the immunochemical detection of Enterobacter sakazakii
title_sort characterisation of antibodies for the immunochemical detection of enterobacter sakazakii
topic enterobacter sakazakii
heat-labile antigen
igg
elisa
cross-reactivity
url https://cjfs.agriculturejournals.cz/artkey/cjf-200911-0009_characterisation-of-antibodies-for-the-immunochemical-detection-of-enterobacter-sakazakii.php
work_keys_str_mv AT igorhochel characterisationofantibodiesfortheimmunochemicaldetectionofenterobactersakazakii
AT jiriskvor characterisationofantibodiesfortheimmunochemicaldetectionofenterobactersakazakii