Nindita Lestyana Putri (2017) Identifikasi MDR (Multi Drugs Resistance) melalui Gen Intl (Lntegron Class 1) Citrobacter Freundii pada Telur Ayam dengan Metode PCR (Polymerase Chain Reactfon). Thesis thesis, UNIVERSITAS AIRLANGGA.
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Abstract
Chicken eggs are a rich source of protein; therefore, eggs are easily contaminated by bacteria, especially bacteria from the Enterobacteriaceae family. C. freundii is a member of the Enterobacteriaceae family that can cause gastrointestinal infections in humans through the consumption of contaminated food. Besides being fOlmd on food, C. freundii is also often isolated from soil, water, feces, waste materials, and intestines. C. freundii plays an active role in carrying a resistance gene in the gastrointestinal tract of both humans and animals and can contaminate animalbased food products through feces. This study aimed to discover whether the MDRcoding gene, Inti, could be found in C. freundii isolates. The isolation and identification of C. freundii in this study used LB as the pre-enrichment medium, TTB as the enrichment medium, and the medium SSA as a selective medium, followed by Gram staining of colonies, biochemical tests (TSIA, Urea, SeA, SIM, MR-VP), carbohydrate fermentation tests (lactose, sucrose, glucose, mannitol, and maltose) and a validation test using the Vitek 2 machine. Tests for resistance to a number of antibiotics using the antibiotic disc diffusion method were conducted for streptomycin, gentamycin, chloramphenicol, erythromycin, tetracycline, oxytetracycline, doxycycline, amoxicillin, penicillin, oxacillin, cloxacillin, trimethoprim, and ciprofloxacin. The results study demonstrated that C. freundii was 100% resistant to erythromycin, amoxicillin, penicillin, oxacillin, and cloxacillin, and 33.3% resistant to ampicillin. The Polymerase Chain Reaction (PCR) analysis of C. freundii revealed DNA strand fragments at a fragment length of 346 bp. The PCR product sequencing analysis was conducted to see the homology of the DNA. The result of the homology was 91% by using the BLAST system.
Item Type: | Thesis (Thesis) | |||||||||
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Additional Information: | KKC KK TPKMV 08/19 Put i | |||||||||
Subjects: | S Agriculture > SF Animal culture > SF481-507 Poultry. Eggs | |||||||||
Divisions: | 06. Fakultas Kedokteran Hewan > Ilmu Penyakit dan Kesehatan Masyarakat Veteriner | |||||||||
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Depositing User: | Sulistiorini | |||||||||
Date Deposited: | 06 Dec 2022 04:22 | |||||||||
Last Modified: | 06 Dec 2022 04:22 | |||||||||
URI: | http://repository.unair.ac.id/id/eprint/119082 | |||||||||
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