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Kim, Sung‐Youn; Park, Sol Yi; Jin, Ji‐Eun; Hong, Kyong‐Suk; Kim, Dae‐Jung; Kim, Yong‐Kyoung; Shin, Hee‐Chang; Cho, Soon‐Kil; Kang, Dong‐Hyun
Journal of food science, November 2022, 2022-11-00, 20221101, Letnik: 87, Številka: 11Journal Article
Lactic acid bacteria (LAB) are not only the most common probiotics in the food and feed industry but are also used as plant probiotics. Therefore, precise identification of LAB at the species level is required. In this study, we compared three different methods, the VITEK 2 ANC card, species‐specific PCR, and MALDI‐TOF MS, to identify six LAB (Lacticaseibacillus casei, Lacticaseibacillus paracasei, Lacticaseibacillus rhamnosus, Lactiplantibacillus plantarum, Lentilactobacillus buchneri, and Limosilactobacillus fermentum) species previously assigned to the genus Lactobacillus that are used as biofertilizers. Twenty‐two strains of six LAB species were analyzed using the VITEK 2 ANC card, species‐specific PCR, and MALDI‐TOF MS, and identification rates at the species level were 45.5%, 95.5%, and 95.5%, respectively. There were cross‐reactions between L. casei and L. parpacasei, and one strain of L. casei could not be identified by these three methods. PCR assays and MALDI‐TOF MS were applicable for LAB identification. Practical Application LAB are the most common probiotics in the food and feed industry, so precise identification and classification of LAB at the species level are required. This study aimed at comparing three different methods for the effective identification of six LAB species: biochemical testing using VITEK 2 ANC card, species‐specific PCR, and MALDI‐TOF MS analysis.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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