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Identification of Bacterial Pathogens at Genus and Species Levels through Combination of Raman Spectrometry and Deep-Learning Algorithms
Wang, Liang1; Tang, Jia Wei2; Li, Fen3; Usman, Muhammad2; Wu, Chang Yu4; Liu, Qing Hua5; Kang, Hai Quan6; Liu, Wei2; Gu, Bing1
2022-11-01
Source PublicationMicrobiology Spectrum
Volume10Issue:6
Abstract

The rapid and accurate identification of the causing agents during bacterial infections would greatly improve pathogen transmission, prevention, patient care, and medical treatments in clinical settings. Although many conventional and molecular methods have been proven to be efficient and reliable, some of them suffer technical biases and limitations that require the development and application of novel and advanced techniques. Recently, due to its cost affordability, noninvasiveness, and label-free feature, Raman spectroscopy (RS) is emerging as a potential technique for fast bacterial detection. However, the method is still hampered by many technical issues, such as low signal intensity, poor reproducibility, and standard data set insufficiency, among others. Thus, it should be cautiously claimed that Raman spectroscopy could provide practical applications in real-world settings. In order to evaluate the implementation potentials of Raman spectroscopy in the identification of bacterial pathogens, we investigated 30 bacterial species belonging to 9 different bacterial genera that were isolated from clinical samples via surfaced enhanced Raman spectroscopy (SERS). A total of 17,149 SERS spectra were harvested from a Raman spectrometer and were further analyzed via machine learning approaches, which showed that a convolutional neural network (CNN) deep learning algorithm achieved the highest prediction accuracy for recognizing pathogenic bacteria at both the genus and species levels. In summary, the SERS technique holds a promising potential for fast bacterial pathogen identification in clinical laboratories with the integration of machine learning algorithms, which might be further developed and sharpened for the direct identification and prediction of bacterial pathogens from clinical samples.

KeywordBacterial Pathogen Machine Learning Algorithm Raman Spectroscopy Rapid Diagnosis Sers
DOI10.1128/spectrum.02580-22
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000887979500001
Scopus ID2-s2.0-85144638353
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Citation statistics
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Laboratory Medicine, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong Province, China
2.Department of Intelligent Medical Engineering, School of Medical Informatics and Engineering, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
3.Laboratory Medicine, The Fifth People’s Hospital of Huai’an, Huai’an, Jiangsu Province, China
4.Department of Biomedical Engineering, School of Medical Imaging, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
5.State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macao
6.Laboratory Medicine, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
Recommended Citation
GB/T 7714
Wang, Liang,Tang, Jia Wei,Li, Fen,et al. Identification of Bacterial Pathogens at Genus and Species Levels through Combination of Raman Spectrometry and Deep-Learning Algorithms[J]. Microbiology Spectrum, 2022, 10(6).
APA Wang, Liang., Tang, Jia Wei., Li, Fen., Usman, Muhammad., Wu, Chang Yu., Liu, Qing Hua., Kang, Hai Quan., Liu, Wei., & Gu, Bing (2022). Identification of Bacterial Pathogens at Genus and Species Levels through Combination of Raman Spectrometry and Deep-Learning Algorithms. Microbiology Spectrum, 10(6).
MLA Wang, Liang,et al."Identification of Bacterial Pathogens at Genus and Species Levels through Combination of Raman Spectrometry and Deep-Learning Algorithms".Microbiology Spectrum 10.6(2022).
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