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A patent application has been submitted for a microorganism identification method that uses mass spectrometry to quickly and reliably identify the serovar of Salmonella enterica subsp. enterica. The method utilizes two ribosomal proteins, S8 and Peptidylpropyl isomerase, as marker proteins to identify the bacteria. Cluster analysis is used to classify the serovars of Salmonella based on the mass-to-charge ratio of the marker proteins. This method offers advantages in reproducibility and speed compared to other identification methods. The patent application was filed by inventors from Shimadzu Corporation in Japan. [Extracted from the article]

A patent application by Shimadzu Corporation describes a microorganism identification method using mass spectrometry to identify the serovar of Salmonella bacteria. The method involves subjecting a sample to mass spectrometry, reading the mass-to-charge ratio of a peak derived from a marker protein, and using cluster analysis to classify the serovars of Salmonella bacteria based on the mass-to-charge ratio. The inventors have identified two ribosomal proteins, S8 and Peptidylpropyl isomerase, as useful marker proteins for identifying the serovar of Salmonella bacteria. This method allows for rapid and reproducible identification of Salmonella serovars. [Extracted from the article]