Volume 7, Issue 2 (7-2019)
Jorjani Biomed J 2019, 7(2): 31-38 |
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Fozouni L, Yaghoobpour M, Ahani Azari A. Probiotics in Goat Milk: A Promising Solution for Management of Drug-Resistant Acinetobacter baumannii. Jorjani Biomed J 2019; 7 (2) :31-38
URL: http://goums.ac.ir/jorjanijournal/article-1-656-en.html
URL: http://goums.ac.ir/jorjanijournal/article-1-656-en.html
1- Department of Biology, Gorgan Branch, Islamic Azad University, Gorgan, Iran , lili_kia@yahoo.com
2- Department of Biology, Gorgan Branch, Islamic Azad University, Gorgan, Iran
2- Department of Biology, Gorgan Branch, Islamic Azad University, Gorgan, Iran
Abstract: (7200 Views)
Background and objectives: Acinetobacter is a genus of opportunistic pathogens that are commonly found in the environment. Given the unique ability of these bacteria to survive in the hospital, they are considered as one of the main causes of hospital-acquired infections. The emergence of multidrug-resistant Acinetobacter spp., particularly Acinetobacter baumannii has become a major health threat worldwide. In this study, we investigate antibacterial effects of probiotic isolates from goat milk on clinical isolates of A. baumannii.
Methods: In this study, 100 clinical specimens were taken from patients hospitalized in six hospitals in the Golestan Province, north of Iran. Following isolation and identification of A. baumannii strains, antibiotic resistance patterns of the isolates were investigated using the Kirby-Bauer method according to the Clinical and Laboratory Standards Institute (CLSI-2015) guidelines. Probiotic bacteria in goat milk were isolated and identified by culture in MRS and M17 media and carbohydrate fermentation tests. Antibacterial effects of the probiotic bacteria against resistant A. baumannii isolates were evaluated using the agar well diffusion method.
Results: Overall, 55% of the isolates were identified as A. baumannii. The highest resistance rates were observed against tobramycin (76.3%), mezlocillin (74.5%) and cefotaxime (74.5%). Resistance to levofloxacin, tetracycline, imipenem and minocycline was detected in 72.7%, 72.7%, 70.9% and 29.1% of the isolates, respectively. The most common probiotic isolates were Lactobacillus plantarum and Lactococcus piscium (30% each). The highest and lowest effects were exerted by Lactococcus lactis (34.54%) and Lactobacillus bulgaricus (3.63%), respectively.
Conclusion: Our results demonstrate that the prevalence of drug-resistant A. baumannii strains is high in the hospitals. Given the promising antimicrobial effects of the isolated probiotic bacteria, goat milk can be recommended as an adjuvant therapy or an alternative to common antibiotics for improving treatment outcome of infections caused by drug-resistant A. baumannii.
Methods: In this study, 100 clinical specimens were taken from patients hospitalized in six hospitals in the Golestan Province, north of Iran. Following isolation and identification of A. baumannii strains, antibiotic resistance patterns of the isolates were investigated using the Kirby-Bauer method according to the Clinical and Laboratory Standards Institute (CLSI-2015) guidelines. Probiotic bacteria in goat milk were isolated and identified by culture in MRS and M17 media and carbohydrate fermentation tests. Antibacterial effects of the probiotic bacteria against resistant A. baumannii isolates were evaluated using the agar well diffusion method.
Results: Overall, 55% of the isolates were identified as A. baumannii. The highest resistance rates were observed against tobramycin (76.3%), mezlocillin (74.5%) and cefotaxime (74.5%). Resistance to levofloxacin, tetracycline, imipenem and minocycline was detected in 72.7%, 72.7%, 70.9% and 29.1% of the isolates, respectively. The most common probiotic isolates were Lactobacillus plantarum and Lactococcus piscium (30% each). The highest and lowest effects were exerted by Lactococcus lactis (34.54%) and Lactobacillus bulgaricus (3.63%), respectively.
Conclusion: Our results demonstrate that the prevalence of drug-resistant A. baumannii strains is high in the hospitals. Given the promising antimicrobial effects of the isolated probiotic bacteria, goat milk can be recommended as an adjuvant therapy or an alternative to common antibiotics for improving treatment outcome of infections caused by drug-resistant A. baumannii.
Type of Article: Original article |
Subject:
Health
Received: 2019/04/4 | Accepted: 2019/06/1 | Published: 2019/07/1
Received: 2019/04/4 | Accepted: 2019/06/1 | Published: 2019/07/1
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