MICROORGANISM CLASSIFYING METHOD, CONTROL DEVICE, AND ANALYSIS DEVICE

WIPO Patent Application WO/2024/005120

A1

Provided is a microorganism classifying method including: a step (S1) for obtaining a first mass spectrum, which is obtained by performing mass spectrometry of a first microorganism that is cultured under conditions for producing an acid-shock protein and that is of an order of intestinal bacteria for which classification is unknown at one of family, genus, and species and levels therebelow; a step (S2) for obtaining a first m/z corresponding to the acid-shock protein from the first mass spectrum; and a step (S3) for analyzing the first m/z and performing, regarding the first microorganism, classification at one of the unknown levels and therebelow.

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KOJIMA KOICHI (JP)
WAKABAYASHI YUKI (JP)
NISHIJIMA SHUNYA (JP)
SAKATA JUNKO (JP)

PCT/JP2023/024115

January 04, 2024

June 29, 2023

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SHIMADZU CORP (JP)
OSAKA INST OF PUBLIC HEALTH (JP)

C12Q1/04; C12M1/34; G01N27/62

LING JIN, WANG HONG, LI GAOMIN, FENG ZHEN, SONG YUFEI, WANG PENG, SHAO HONG, ZHOU HU, CHEN GANG: "A novel short-term high-lactose culture approach combined with a matrix-assisted laser desorption ionization-time of flight mass spectrometry assay for differentiating Escherichia coli and Shigella species using artificial neural networks", PLOS ONE, PUBLIC LIBRARY OF SCIENCE, US, vol. 14, no. 10, US , pages e0222636, XP093121533, ISSN: 1932-6203, DOI: 10.1371/journal.pone.0222636

FUKAMI PATENT OFFICE, P.C. (JP)

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