BMC research notes · 2015
Surface plasmon resonance imaging of pathogens: the Yersinia pestis paradigm.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Huynh Hong T T, Gotthard Guillaume, Terras Jérome, Aboudharam Gérard, Drancourt Michel, Chabrière Eric
Аннотация
BACKGROUND: Yersinia pestis, causing deadly plague, is classified as a group A bioterrorism bacterium. Some recent DNA-based methods were used for detection of bioterrorism agents.
RESULTS: Y. pestis was used as a model organism to develop an immunosensor based on surface plasmon resonance imaging (SPRi) using monoclonal antibody against Y. pestis F1 antigen. The experimental approach included step-by-step detection of Y. pestis membrane proteins, lysed bacteria, intact bacteria, mock-infected powder and mock-infected clinical specimens. SPRi detected on average 10(6) intact Y. pestis organisms in buffer, in mock-infected powder and in a 1:4 mixture with HEL cells.
CONCLUSIONS: This study offers the proof-of-concept of the SPRi-based detection of a human pathogen in both environmental and clinical specimens.
RESULTS: Y. pestis was used as a model organism to develop an immunosensor based on surface plasmon resonance imaging (SPRi) using monoclonal antibody against Y. pestis F1 antigen. The experimental approach included step-by-step detection of Y. pestis membrane proteins, lysed bacteria, intact bacteria, mock-infected powder and mock-infected clinical specimens. SPRi detected on average 10(6) intact Y. pestis organisms in buffer, in mock-infected powder and in a 1:4 mixture with HEL cells.
CONCLUSIONS: This study offers the proof-of-concept of the SPRi-based detection of a human pathogen in both environmental and clinical specimens.