IDENTIFICATION AND CHARACTERIZATION OF PROBIOTIC PROPERTIES OF INDIGENOUS LACTIC ACID BACTERIA BASED ON THEIR PHENOTYPIC AND GENOTYPIC CHARACTERISTICS

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HAJI GHASEMI MALIHE; MOJGANI NAHEED

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Title

IDENTIFICATION AND CHARACTERIZATION OF PROBIOTIC PROPERTIES OF INDIGENOUS LACTIC ACID BACTERIA BASED ON THEIR PHENOTYPIC AND GENOTYPIC CHARACTERISTICS

Author(s)

HAJI GHASEMI MALIHE | MOJGANI NAHEED | Issue Writer Certificate

Keywords

PROBIOTICQ1

LACTIC ACID BACTERIAQ2

PCRQ2

16S RRNAQ3

Abstract

Background and Aim: PROBIOTIC are live microbial food supplement which bestows beneficial effects on the host by creating intestinal microbial balance. In this research, we aimed to identify locally isolated LACTIC ACID BACTERIA (LAB) with PROBIOTIC potentials by phenotypic and genotypic methods.Materials and Methods: A number of locally isolated LAB identified by phenotypic characteristics were selected and screened for their PROBIOTIC properties. The isolates were tested for their acid and bile resistance, antibacterial activity, cholesterol reducing. The selected PROBIOTIC LAB were identified to species level by using universal primers and 16S RRNA sequencing.Results: Among the 20 LAB isolates, only 3 isolates resisted low pH value of 2.5, while 5 isolates resisted 0.3 to 1% bile salt. Among these 5 isolates, 3 isolates showed the ability to lower cholesterol significantly as they reduced 94.8, 95.73 and 97.82 % of cholesterol within 2 hours of incubation. Based on 16S RRNA sequencing these 5 isolates were identified as Lactobacillus plantarum (22SN, 24SN, NPN0022, 10SN), and Lactobacillus rhamnosus (30SN).Conclusions: The LAB isolates in this study possessed significant PROBIOTIC properties and might be used as a PROBIOTIC in human, livestock, and poultry products in the future.

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APA: Copy

HAJI GHASEMI, MALIHE, & MOJGANI, NAHEED. (2016). IDENTIFICATION AND CHARACTERIZATION OF PROBIOTIC PROPERTIES OF INDIGENOUS LACTIC ACID BACTERIA BASED ON THEIR PHENOTYPIC AND GENOTYPIC CHARACTERISTICS. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, 9(4), 47-54. SID. https://sid.ir/paper/132639/en

Vancouver: Copy

HAJI GHASEMI MALIHE, MOJGANI NAHEED. IDENTIFICATION AND CHARACTERIZATION OF PROBIOTIC PROPERTIES OF INDIGENOUS LACTIC ACID BACTERIA BASED ON THEIR PHENOTYPIC AND GENOTYPIC CHARACTERISTICS. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY[Internet]. 2016;9(4):47-54. Available from: https://sid.ir/paper/132639/en

IEEE: Copy

MALIHE HAJI GHASEMI, and NAHEED MOJGANI, “IDENTIFICATION AND CHARACTERIZATION OF PROBIOTIC PROPERTIES OF INDIGENOUS LACTIC ACID BACTERIA BASED ON THEIR PHENOTYPIC AND GENOTYPIC CHARACTERISTICS,” IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, vol. 9, no. 4, pp. 47–54, 2016, [Online]. Available: https://sid.ir/paper/132639/en

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