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Title: Elisa for brucellosis detection based on three Brucella recombinant proteins
Authors: Pikun Thepsuriyanont
Apiradee Intarapuk
Panita Chanket
Wittawat Tunyong
Thareerat Kalambaheti
Mahidol University
Mahanakorn University of Technology
Keywords: Medicine
Issue Date: 1-Jan-2014
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.45, No.1 (2014), 130-141
Abstract: Control of brucellosis among farm animals, wildlife and humans require reliable diagnosis. Rose Bengal serological test (RBT) is based on lipopolysaccharide antigen of Brucella, which may cross react with other gram-negative bacteria and produce false positive result. Immunoreactive proteins, such as outer-membrane protein BP26, ribosome recycling factor protein CP24 and Brucella lumazine synthase (BLS), previously reported to be recognized by infected sheep sera, were selected for production of recombinant proteins for use in an ELISA in order to investigate immune response among goats and cows, in comparison with commercial RBT. Cut-off value for ELISA was based on the immune response of in vitro fertilized goats and cows. Goats positive for Brucella culture or by RBT were ELISA positive for either IgG or IgM against at least one recombinant protein. For animals with negative RBT, animals with positive ELISA could be detected, and 61.6% possessed ELISA values as high as in infected animals. Thus, this ELISA procedure is proposed as an alternative to RBT for screening of brucellosis in farm animals.
ISSN: 01251562
Appears in Collections:Scopus 2011-2015

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