{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T14:00:09Z","timestamp":1778767209963,"version":"3.51.4"},"reference-count":54,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2005,8,1]],"date-time":"2005-08-01T00:00:00Z","timestamp":1122854400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2005,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Fourier transform infrared spectroscopy (FT-IR) has been used together with pattern recognition methodology to study isolates belonging to the species\n            <jats:italic>Campylobacter coli<\/jats:italic>\n            and\n            <jats:italic>Campylobacter jejuni<\/jats:italic>\n            and to compare FT-IR typing schemes with established genomic profiles based on enterobacterial repetitive intergenic consensus PCR (ERIC-PCR). Seventeen isolates were cultivated under standardized conditions for 2, 3, and 4 days to study variability and improve reproducibility. ERIC-PCR profiles and FT-IR spectra were obtained from strains belonging to the species\n            <jats:italic>Campylobacter coli<\/jats:italic>\n            and\n            <jats:italic>C. jejuni<\/jats:italic>\n            , normalized, and explored by hierarchical clustering and stepwise discriminant analysis. Strains could be differentiated by using mainly the first-derivative FT-IR spectral range, 1,200 to 900 cm\n            <jats:sup>\u22121<\/jats:sup>\n            (described as the carbohydrate region). The reproducibility index varied depending on the ages of the cultures and on the spectral ranges investigated. Classification obtained by FT-IR spectroscopy provided valuable taxonomic information and was mostly in agreement with data from the genotypic method, ERIC-PCR. The classification functions obtained from the discriminant analysis allowed the identification of 98.72% of isolates from the validation set. FT-IR can serve as a valuable tool in the classification, identification, and typing of thermophilic\n            <jats:italic>Campylobacter<\/jats:italic>\n            isolates, and a number of types can be differentiated by means of FT-IR spectroscopy.\n          <\/jats:p>","DOI":"10.1128\/aem.71.8.4318-4324.2005","type":"journal-article","created":{"date-parts":[[2005,8,5]],"date-time":"2005-08-05T21:53:12Z","timestamp":1123278792000},"page":"4318-4324","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":60,"title":["Discrimination of Enterobacterial Repetitive Intergenic Consensus PCR Types of\n            <i>Campylobacter coli<\/i>\n            and\n            <i>Campylobacter jejuni<\/i>\n            by Fourier Transform Infrared Spectroscopy"],"prefix":"10.1128","volume":"71","author":[{"given":"D. J. 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