Prevalence and characterization of multidrug resistance and variant <i>Salmonella</i> genomic island 1 in <i>Salmonella</i> isolates from cattle, poultry and humans in Iran

Ghoddusi, A.; Fasaei, Bahar Nayeri; Salehi, Taghi Zahraei; Akbarein, Hesameddin

doi:10.1111/zph.12608

Cited by 5 publications

(3 citation statements)

References 37 publications

(60 reference statements)

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“…The serotypes of Salmonella from American chickens are mainly from Kentucky [16]. The predominant serotype of Salmonella from cattle in Iran is S. typhimurium [17]. The serotypes of Salmonella from chickens in China are mainly S. Enteriditis, S. Pullorum, and S. typhimurium [18].…”

Section: Introduction 11 Salmonella and Salmonellosismentioning

confidence: 99%

Antimicrobial Resistance in Salmonella: Its Mechanisms in Comparison to Other Microbes, and The Reversal Effects of Traditional Chinese Medicine on Its Resistance

Zhao

2024

Salmonella - Perspectives for Low-Cost Prevention, Control and Treatment

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Salmonella is one of the most notable pathogens leading to the outbreak of foodborne diseases worldwide. Antimicrobial chemotherapy with 3rd-generation cephalosporins or fluoroquinolones is often used for severe infections caused by Salmonella. Therefore, antibiotic or antimicrobial resistance (AMR) of Salmonella is a serious threat to human and animal health in China and worldwide. In order to better understand the current situation and development status of AMR in Salmonella isolates, this chapter will provide an overview of the following: 1. The history and development trend of AMR in Salmonella, and a comparison of its AMR with that of other major pathogenic bacteria in animals. 2. The AMR mechanisms of Salmonella to various antibiotics, with a particular focus on the commonly used antibiotics. 3. The mechanisms of the spread of AMR in Salmonella, including the AMR genes or mobile genetic elements carrying AMR genes among microbes, and among people, animal-derived foods, and the environment. 4. The elimination or reversal of AMR in Salmonella by using traditional Chinese medicine or the active ingredients in traditional Chinese medicine. 5. The development of detection technology for Salmonella serotypes, virulence, and AMR, and the improvement from conventional detection methods to more advanced biological detection methods and bioinformatics technology.

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Section: Introduction 11 Salmonella and Salmonellosismentioning

confidence: 99%

Antimicrobial Resistance in Salmonella: Its Mechanisms in Comparison to Other Microbes, and The Reversal Effects of Traditional Chinese Medicine on Its Resistance

Zhao

2024

Salmonella - Perspectives for Low-Cost Prevention, Control and Treatment

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“…Poultry meat, eggs and food thereof are the main sources, but other animal-based foods and plant products have also been implicated in foodborne outbreaks of Salmonella [ 1 ]. A good proportion of these Salmonella isolates are multi-resistant to various antibiotics [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. When nontyphoid Salmonella causes invasive clinical signs of disease in humans, antibiotic treatment is required.…”

Section: Introductionmentioning

confidence: 99%

Salmonella Prophages, Their Propagation, Host Specificity and Antimicrobial Resistance Gene Transduction

et al. 2023

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Salmonella enterica subsp. enterica is a zoonotic bacterial pathogen that causes foodborne outbreaks in humans. Lytic bacteriophages to control Salmonella in food production are already being used in scientific studies and some are commercially available. However, phage application is still controversial. In addition to virulent phages, which are used in phage therapy and lyse the bacterial host, lysogenic phages coexist in the environment and can reside as prophages in the bacterial host. Therefore, information about Salmonella prophages is essential to understand successful phage therapy. In 100 Salmonella food isolates of the serovars Enteritidis and Typhimurium, we propagated prophages by oxidative stress. In isolates of the serovars Typhimurium and Enteritidis, 80% and 8% prophages could be activated, respectively. In the phage lysates from the serovar Typhimurium, the following antibiotic resistance genes or gene fragments were detected by PCR: sul1, sul2, blaTEM, strA and cmlA; however, no tetA,B,C, blaOXA, blaCMY, aadA1, dfr1,2 or cat were detected. In contrast, no resistance genes were amplified in the phage lysates of the serovar Enteritidis. None of the phage lysates was able to transduce phenotypic resistance to WT 14028s. Most of the prophage lysates isolated were able to infect the various Salmonella serovars tested. The high abundance of prophages in the genome of the serovar Typhimurium may counteract phage therapy through phage resistance and the development of hybrid phages.

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“…Calf-hood diseases result a signifi cant economic consequences on the viability of cattle operations such as the direct costs of calf losses, the cost for therapeutic measures, surveillance activities to monitor the prevalence of the pathogen, long-term effects on performance and future productivity [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Prevalence and Multidrug Resistance Profiles of Escherichia coli in Dairy Farms

T¹

2020

Int J Vet Sci Res

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Calf diarrhoea, commonly occur in cattle herds, impacting on the economic viability of cattle operations. A total of 72 calves under 6-months of age, 38 exotic breeds (50% Holstein-Friesian X 25% Jersey X 25% Ogaden) from a dairy farm and 34 local breeds from the Veterinary Clinic, were studied. The secondary data on calf management and impact of calf diarrhoea were collected from the dairy farm, veterinary clinic and subsistence smallholder's dairy farms. Faeces samples were collected from all calves in a sterile container, kept in an ice-cold condition and cultured in the time period of 24 hours. Nearly 49% of the faecal samples were positive for Escherichia coli. E. coli O157 Latex Plate Agglutination test revealed 4.2% and 8.3% prevalence in exotic and local breeds, respectively. Herd size, age group, weaning age were found to be signifi cantly associated (p< 0.05) with the occurrence of E. coli. Antimicrobial susceptibility was tested using agar disk diffusion method, and it was found that E. coli possessed resistance to ampicillin, erythromycin, vancomycin and penicillin. In contrast, amoxicillin, sulphamethoxazole, streptomycin, kanamycin, ciprofl oxacin and tetracycline were effective against E. coli.

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Prevalence and characterization of multidrug resistance and variant Salmonella genomic island 1 in Salmonella isolates from cattle, poultry and humans in Iran

Cited by 5 publications

References 37 publications

Antimicrobial Resistance in Salmonella: Its Mechanisms in Comparison to Other Microbes, and The Reversal Effects of Traditional Chinese Medicine on Its Resistance

Antimicrobial Resistance in Salmonella: Its Mechanisms in Comparison to Other Microbes, and The Reversal Effects of Traditional Chinese Medicine on Its Resistance

Salmonella Prophages, Their Propagation, Host Specificity and Antimicrobial Resistance Gene Transduction

Prevalence and Multidrug Resistance Profiles of Escherichia coli in Dairy Farms

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