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Multiarray on a test strip (MATS): rapid multiplex immunodetection of priority potato pathogens

Multiarray on a test strip (MATS) was developed for the detection of eight important potato pathogens. The proposed assay combines the rapidity of immunochromatography with the high throughput of array techniques. The test zone of the immunochromatographic strip comprises ordered rows of spots conta...

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Published in:Analytical and bioanalytical chemistry 2016-09, Vol.408 (22), p.6009-6017
Main Authors: Safenkova, Irina V., Pankratova, Galina K., Zaitsev, Ilya A., Varitsev, Yuri A., Vengerov, Yuri Y., Zherdev, Anatoly V., Dzantiev, Boris B.
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cited_by cdi_FETCH-LOGICAL-c650t-7618a17c32ef9049c876a89186e31084be34d721282ed8ff896ba9c44ff7c3383
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container_title Analytical and bioanalytical chemistry
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creator Safenkova, Irina V.
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Dzantiev, Boris B.
description Multiarray on a test strip (MATS) was developed for the detection of eight important potato pathogens. The proposed assay combines the rapidity of immunochromatography with the high throughput of array techniques. The test zone of the immunochromatographic strip comprises ordered rows of spots containing antibodies specific for different potato pathogens. The assay benefits from the simplicity of immunochromatography; colored immune complexes form at the corresponding spots within the test zone. The presence and intensity of the coloration are used for identification of the target pathogens. The MATS was applied to the simultaneous detection of eight priority potato pathogens, characterized by the following limits of detection: 1 ng/mL for potato virus X and the ordinary type of potato virus Y, 10 ng/mL for potato virus M, 20 ng/mL for potato leaf roll virus, 40 ng/mL for necrotic-type potato virus Y, 100 ng/mL for potato virus S, 300 ng/mL for potato virus A, and 10 4  cells/mL for Clavibacter michiganensis subsp. sepedonicus . Analysis time was 15 min. The observed sensitivity of the MATS was comparable to the traditional enzyme-linked immunosorbent assay. The developed technique was tested on potato leaf extracts, and its efficiency for on-site control of the pathogens was confirmed in 100 % by commercial LFIA test strips. Graphical abstract Location of binding zones in the developed multiarray on a test strip (MATS) for simultaneous detection of eight pathogens
doi_str_mv 10.1007/s00216-016-9463-6
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The proposed assay combines the rapidity of immunochromatography with the high throughput of array techniques. The test zone of the immunochromatographic strip comprises ordered rows of spots containing antibodies specific for different potato pathogens. The assay benefits from the simplicity of immunochromatography; colored immune complexes form at the corresponding spots within the test zone. The presence and intensity of the coloration are used for identification of the target pathogens. The MATS was applied to the simultaneous detection of eight priority potato pathogens, characterized by the following limits of detection: 1 ng/mL for potato virus X and the ordinary type of potato virus Y, 10 ng/mL for potato virus M, 20 ng/mL for potato leaf roll virus, 40 ng/mL for necrotic-type potato virus Y, 100 ng/mL for potato virus S, 300 ng/mL for potato virus A, and 10 4  cells/mL for Clavibacter michiganensis subsp. sepedonicus . Analysis time was 15 min. The observed sensitivity of the MATS was comparable to the traditional enzyme-linked immunosorbent assay. The developed technique was tested on potato leaf extracts, and its efficiency for on-site control of the pathogens was confirmed in 100 % by commercial LFIA test strips. 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The observed sensitivity of the MATS was comparable to the traditional enzyme-linked immunosorbent assay. The developed technique was tested on potato leaf extracts, and its efficiency for on-site control of the pathogens was confirmed in 100 % by commercial LFIA test strips. Graphical abstract Location of binding zones in the developed multiarray on a test strip (MATS) for simultaneous detection of eight pathogens</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>27007732</pmid><doi>10.1007/s00216-016-9463-6</doi><tpages>9</tpages></addata></record>
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subjects Acids
Analytical Chemistry
Antibodies
Antibodies, Immobilized - chemistry
Assaying
Biochemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Clavibacter michiganensis
Diseases and pests
Environmental monitoring
Equipment Design
Food Science
Gold - chemistry
Immunoanalysis for Environmental Monitoring and Human Health
Immunoassay
Immunochromatography - economics
Immunochromatography - instrumentation
Immunochromatography - methods
Laboratory Medicine
Limit of Detection
Mats
Metal Nanoparticles - chemistry
Methods
Monitoring/Environmental Analysis
Multiplexing
Nanoparticles
Observations
Onsite
Pathogens
Plant Diseases - virology
Plant extracts
Plant Viruses - isolation & purification
Plant-pathogen relationships
Potassium
Potato virus A
Potato virus M
Potato virus S
Potato virus X
Potato virus Y
Potatoes
Protein Array Analysis - economics
Protein Array Analysis - instrumentation
Protein Array Analysis - methods
Reagent Strips - analysis
Research Paper
Sodium
Solanum tuberosum
Solanum tuberosum - virology
Spots
Strip
Vegetables
Viruses
title Multiarray on a test strip (MATS): rapid multiplex immunodetection of priority potato pathogens
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