Evaluation of the synergistic antimicrobial activities of selenium nanoparticles and Rosemary oil against Aspergillus fumigatu and Klebsiella pneumoniae recovered from respiratory infection in cattle in Giza governorate, Egypt

IF 0.1 0 VETERINARY SCIENCES
A. Hassan, D. Iskander, N. H. Oraby
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引用次数: 1

Abstract

: Synergistic and single antimicrobial activities of green synthesized selenium nanoparticles (SeNPs) and rosemary oil were investigated against predominant causes of respiratory diseases in cattle as Aspergillus fumigatus and Klebsiella pneumoniae . The prevalence rates of A. fumigatus were 14.28%, 12%, and 32% in the nasal swab, drinking water, and animal ration, respectively. While, Klebsiella pneumoniae was isolated from examined nasal swabs, water, and rations at the rates of 17.4%, 0%, and 8%, respectively. The minimal inhibitory concentration (MIC) of Se-NPs was 0.4 mg/ml and 0.5 mg/ml against A. fumigatus and Kl. pneumoniae , respectively. On the other hand, the inhibitory concentration of Rosemary against A. fumigatus and Kl. pneumoniae was 0.75 mg/ml and 1.0 mg/ml, respectively. The synergistic therapy of SeNPs dispersed with Rosemary oil reduced the MIC of SeNPs against A. fumigatus and Kl. pneumoniae was 0.1mg/ml and hence can be used as alternatives to their single forms in successful disease therapy. Moreover, these synergisms are essential to overcome the microbial resistance against the traditional antibiotics and decrease the concentrations used of nanoparticles to avoid their toxicity for
纳米硒和迷迭香油对埃及吉萨省牛呼吸道感染的烟曲霉和肺炎克雷伯菌的协同抑菌活性评价
:研究了绿色合成硒纳米颗粒(SeNPs)和迷迭香油对烟曲霉和肺炎克雷伯菌等牛呼吸道疾病主要病因的协同和单一抗菌活性。烟曲霉在鼻拭子、饮用水和动物饲料中的流行率分别为14.28%、12%和32%。而肺炎克雷伯菌从检查的鼻拭子、水和口粮中分离出来的比率分别为17.4%、0%和8%。硒纳米粒子对烟曲霉和肺炎克雷伯菌的最低抑菌浓度分别为0.4mg/ml和0.5mg/ml。另一方面,迷迭香对烟曲霉和肺炎克雷伯菌的抑制浓度分别为0.75mg/ml和1.0mg/ml。与迷迭香油分散的SeNPs的协同治疗将SeNPs对烟曲霉和肺炎克雷伯菌的MIC降低到0.1mg/ml,因此可以作为其单一形式的替代品用于成功的疾病治疗。此外,这些协同作用对于克服微生物对传统抗生素的耐药性和降低纳米颗粒的浓度以避免其对
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来源期刊
CiteScore
1.30
自引率
0.00%
发文量
16
审稿时长
20 weeks
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