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Protein biomarker discovery and fast monitoring for the identification and detection of Anisakids by parallel reaction monitoring (PRM) mass spectrometry

AutorCarrera, Mónica ; Gallardo, José Manuel ; Pascual, Santiago ; González, Ángel F. ; Medina, Isabel
Palabras claveAnisakis
Parallel reaction monitoring (PRM) mass spectrometry
Fecha de publicación2016
CitaciónJournal of Proteomics 142: 130-137 (2016)
ResumenAnisakids are fish-borne parasites that are responsible for a large number of human infections and allergic reactions around the world. World health organizations and food safety authorities aim to control and prevent this emerging health problem. In the present work, a new method for the fast monitoring of these parasites is described. The strategy is divided in three steps: (i) purification of thermostable proteins from fish-borne parasites (Anisakids), (ii) in-solution HIFU trypsin digestion and (iii) monitoring of several peptide markers by parallel reaction monitoring (PRM) mass spectrometry. This methodology allows the fast detection of Anisakids in < 2 h. An affordable assay utilizing this methodology will facilitate testing for regulatory and safety applications. Significance The work describes for the first time, the Protein Biomarker Discovery and the Fast Monitoring for the identification and detection of Anisakids in fishery products. The strategy is based on the purification of thermostable proteins, the use of accelerated in-solution trypsin digestions under an ultrasonic field provided by High-Intensity Focused Ultrasound (HIFU) and the monitoring of several peptide biomarkers by Parallel Reaction Monitoring (PRM) Mass Spectrometry in a linear ion trap mass spectrometer. The workflow allows the unequivocal detection of Anisakids, in < 2 h. The present strategy constitutes the fastest method for Anisakids detection, whose application in the food quality control area, could provide to the authorities an effective and rapid method to guarantee the safety to the consumers
Descripción8 páginas, 7 figuras, 1 tabla
Versión del editorhttp://dx.doi.org/10.1016/j.jprot.2016.05.012
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