Ahmed Ammar
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View article: Controlling drug-resistant bacteria in Arabian horses: bacteriophage cocktails for treating wound infections
Controlling drug-resistant bacteria in Arabian horses: bacteriophage cocktails for treating wound infections Open
Antimicrobial resistance is a major global health issue requiring a coordinated response. This study investigated for the first time the prevalence, antimicrobial resistance phenotypes of bacteria causing infections in Arabian horses, and …
View article: Green Tea Extract (Theaceae; Camellia sinensis L.): A Promising Antimicrobial, Anti-Quorum Sensing and Antibiofilm Candidate Against Multidrug-Resistant Campylobacter Species
Green Tea Extract (Theaceae; Camellia sinensis L.): A Promising Antimicrobial, Anti-Quorum Sensing and Antibiofilm Candidate Against Multidrug-Resistant Campylobacter Species Open
Background: Thermophilic Campylobacter species are among the main culprits behind bacterial gastroenteritis globally and have grown progressively resistant to clinically important antimicrobials. Many studies have been carried out to explo…
View article: A Newly Incompatibility F Replicon Allele (FIB81) in Extensively Drug-Resistant Escherichia coli Isolated from Diseased Broilers
A Newly Incompatibility F Replicon Allele (FIB81) in Extensively Drug-Resistant Escherichia coli Isolated from Diseased Broilers Open
Multiple drug resistance (MDR) has gained pronounced attention among Enterobacterales. The transfer of multiple antimicrobial resistance genes, frequently carried on conjugative incompatibility F (IncF) plasmids and facilitating interspeci…
View article: Emergence of pandrug-resistant carbapenemase-producing Enterobacterales in dogs and cats: a cross-sectional study in Egypt
Emergence of pandrug-resistant carbapenemase-producing Enterobacterales in dogs and cats: a cross-sectional study in Egypt Open
One of the most important emerging health problems is the increasing role of animals in the rapid global rise in resistance to last-resort antibiotics, such as carbapenems. However, there is limited information on the role of pet animals i…
View article: Apple cider vinegar exhibits promising antibiofilm activity against multidrug-resistant Bacillus cereus isolated from meat and their products
Apple cider vinegar exhibits promising antibiofilm activity against multidrug-resistant Bacillus cereus isolated from meat and their products Open
Background: Bacillus cereus (B. cereus) biofilm is grown not only on medical devices but also on different substrata and is considered a potential hazard in the food industry. Quorum sensing (QS) plays a serious role in the synthesis of bi…
View article: Antibacterial and Anti-Efflux Activities of Cinnamon Essential Oil against Pan and Extensive Drug-Resistant Pseudomonas aeruginosa Isolated from Human and Animal Sources
Antibacterial and Anti-Efflux Activities of Cinnamon Essential Oil against Pan and Extensive Drug-Resistant Pseudomonas aeruginosa Isolated from Human and Animal Sources Open
Pseudomonas aeruginosa is notorious for its ability to develop a high level of resistance to antimicrobial agents. Resistance-nodulation-division (RND) efflux pumps could mediate drug resistance in P. aeruginosa. The present study aimed to…
View article: Motile Aeromonads as a Nile Tilapia Bacterial Infection: A Review on Prevalence, Molecular Characterization, Effect on Immune Response and Alternatives Control Measures
Motile Aeromonads as a Nile Tilapia Bacterial Infection: A Review on Prevalence, Molecular Characterization, Effect on Immune Response and Alternatives Control Measures Open
Nile tilapia (Oreochromis niloticus) constitutes the maximum essential and financial fish species in Egypt representing 71.38 % of overall cultured fish in Africa and 1.54 % of overall cultured fish everywhere in the world.They compromise …
View article: Multidrug Resistance of isolated Gallibacterium anatis from Layers
Multidrug Resistance of isolated Gallibacterium anatis from Layers Open
Gallibacterium anatis (G.anatis) is a member of family pasteurellaceae which present normally in the reproductive and respiratory tracts in poultry.it causes oophorities, peritonitis, lowered egg production, salpingitis, in addition to hig…
View article: Isolation and identification of Klebsiella Pneumoniae from camels with molecular detection of some genes concerning virulence and antibiotic resistance
Isolation and identification of Klebsiella Pneumoniae from camels with molecular detection of some genes concerning virulence and antibiotic resistance Open
Respiratory illness is an emerging concern of camels that resulting considerable loss in production, elevated mortalities and increasing the cost of preventing and therapeutic programs. Klebsiella pneumoniae is a substantial opportunistic …
View article: Prevalence and Antimicrobial Susceptibility of Bovine Mycoplasma Species in Egypt
Prevalence and Antimicrobial Susceptibility of Bovine Mycoplasma Species in Egypt Open
Among many bovine Mycoplasma species (spp.), Mycoplasma bovis is recognized as a significant causative agent of respiratory diseases in cattle. In recent years, resistant M. bovis isolates, especially to fluoroquinolones, have been reporte…
View article: MOLECULAR Characterization of Salmonella enterica SEROVARS in Broiler Chickens at Kafr El-Sheikh Governorate, Egypt
MOLECULAR Characterization of Salmonella enterica SEROVARS in Broiler Chickens at Kafr El-Sheikh Governorate, Egypt Open
Salmonella spp. are one of the most frequently reported foodborne pathogens worldwide. The present study investigated the virulence genotypes and antimicrobial sensitivity of Salmonella spp. isolated from broiler chickens in Kafr El-Sheikh…
View article: Mycoplasma bovis: Taxonomy, Characteristics, Pathogenesis and Antimicrobial Resistance
Mycoplasma bovis: Taxonomy, Characteristics, Pathogenesis and Antimicrobial Resistance Open
Mycoplasma bovis (M. bovis) is one of the most significant bacteria, which leads to multiple bovine diseases such as keratoconjunctivitis, otitis media, arthritis, genital disorders, mastitis, and pneumonia in cattle. M. bovis is considere…
View article: Extensive Drug-Resistant Salmonella enterica Isolated From Poultry and Humans: Prevalence and Molecular Determinants Behind the Co-resistance to Ciprofloxacin and Tigecycline
Extensive Drug-Resistant Salmonella enterica Isolated From Poultry and Humans: Prevalence and Molecular Determinants Behind the Co-resistance to Ciprofloxacin and Tigecycline Open
The emergence of extensive drug-resistant (XDR) Salmonella in livestock animals especially in poultry represents a serious public health and therapeutic challenge. Despite the wealth of information available on Salmonella resistance to var…
View article: Molecular Detection of Fluoroquinolone Resistance among Multidrug-, Extensively Drug-, and Pan-Drug-Resistant Campylobacter Species in Egypt
Molecular Detection of Fluoroquinolone Resistance among Multidrug-, Extensively Drug-, and Pan-Drug-Resistant Campylobacter Species in Egypt Open
In recent times, resistant foodborne pathogens, especially of the Campylobacter species, have created several global crises. These crises have been compounded due to the evolution of multidrug-resistant (MDR) bacterial pathogens and the em…
View article: Environmental Streptococcus uberis Associated with Clinical Mastitis in Dairy Cows: Virulence Traits, Antimicrobial and Biocide Resistance, and Epidemiological Typing
Environmental Streptococcus uberis Associated with Clinical Mastitis in Dairy Cows: Virulence Traits, Antimicrobial and Biocide Resistance, and Epidemiological Typing Open
Mastitis remains a serious problem for dairy animals. The misappropriation of antimicrobial agents helps accelerate resistance, which poses a serious challenge in controlling environmental S. uberis infection. Here, we study the virulence …
View article: Antimicrobial and antibiofilm potentials of cinnamon oil and silver nanoparticles against Streptococcus agalactiae isolated from bovine mastitis: new avenues for countering resistance
Antimicrobial and antibiofilm potentials of cinnamon oil and silver nanoparticles against Streptococcus agalactiae isolated from bovine mastitis: new avenues for countering resistance Open
Background Streptococcus agalactiae ( S. agalactiae ) is a contagious pathogen of bovine mastitis. It has financial implications for the dairy cattle industry in certain areas of the world. Since antimicrobial resistance increases in dairy…
View article: Assessment of Antibactrial Effect of Different Extracts of Thymus Vulgaris against Clostridium Perfringens in Chicken
Assessment of Antibactrial Effect of Different Extracts of Thymus Vulgaris against Clostridium Perfringens in Chicken Open
Necrotic enteritis in chicken is caused by the Clostridium perfringens, which have been found on almost chicken and for decades antimicrobial therapy was the only strategy to control it.However, the misuse of antimicrobials linked to many …
View article: The beneficial effects of a multistrain potential probiotic, formic, and lactic acids with different vaccination regimens on broiler chickens challenged with multidrug-resistant Escherichia coli and Salmonella
The beneficial effects of a multistrain potential probiotic, formic, and lactic acids with different vaccination regimens on broiler chickens challenged with multidrug-resistant Escherichia coli and Salmonella Open
The effects of a multistrain potential probiotic (Protexin®), acids, and a bacterin from multidrug-resistant E. coli O26, O78, S. Enteritidis (1,9,12 g.m1,7), and S. Typhimurium (1,4,5,12.i.1,2) on the immune response, haematological param…
View article: CAMPYLOBACTER AS A MAJOR FOODBORNE PATHOGEN: A REVIEW OF ITS CHARACTERISTICS, PATHOGENESIS, ANTIMICROBIAL RESISTANCE AND CONTROL
CAMPYLOBACTER AS A MAJOR FOODBORNE PATHOGEN: A REVIEW OF ITS CHARACTERISTICS, PATHOGENESIS, ANTIMICROBIAL RESISTANCE AND CONTROL Open
Campylobacter, mainly Campylobacter jejuni is viewed as one of the most well-known reasons of foodborne bacterial diarrheal sickness in people around the globe. The genus Campylobacter contains 39 species (spp.) and 16 sub spp. Campylobact…
View article: Prevalence, Antimicrobial Susceptibility, Virulence and Genotyping of Campylobacter jejuni with a Special Reference to the Anti-Virulence Potential of Eugenol and Beta-Resorcylic Acid on Some Multi-Drug Resistant Isolates in Egypt
Prevalence, Antimicrobial Susceptibility, Virulence and Genotyping of Campylobacter jejuni with a Special Reference to the Anti-Virulence Potential of Eugenol and Beta-Resorcylic Acid on Some Multi-Drug Resistant Isolates in Egypt Open
Campylobacter jejuni is the leading cause of foodborne bacterial gastroenteritis in humans worldwide. Contaminated chickens and their products are the main sources of human campylobacteriosis. Therefore, this study aimed to detect the geno…
View article: Biofilm Formation and its Correlation with Antimicrobial Resistance in Klebsiella pneumoniae
Biofilm Formation and its Correlation with Antimicrobial Resistance in Klebsiella pneumoniae Open
Klebsiella pneumoniae (K. pneumoniae) is an opportunistic pathogen capable of causing a wide range of diseases in humans and animals. The increase, emergence, and spread of antimicrobial resistance among K. pneumoniae are the most importan…
View article: First Report of aacC5-aadA7Δ4 Gene Cassette Array and Phage Tail Tape Measure Protein on Class 1 Integrons of Campylobacter Species Isolated from Animal and Human Sources in Egypt
First Report of aacC5-aadA7Δ4 Gene Cassette Array and Phage Tail Tape Measure Protein on Class 1 Integrons of Campylobacter Species Isolated from Animal and Human Sources in Egypt Open
Campylobacter species are common commensals in the gastrointestinal tract of livestock animals; thus, animal-to-human transmission occurs frequently. We investigated for the first time, class 1 integrons and associated gene cassettes among…
View article: Isolation and identification of Cronobacter species from some animal sources
Isolation and identification of Cronobacter species from some animal sources Open
This work was carried out to study the bacteriological importance of Cronobacter sakazakiias a potential foodborne emerging pathogen involved in severe illness and deaths in humans, especially neonates due to consumption of contaminated in…
View article: Staphylococcus pseudintermedius Sbi paralogs inhibit complement and bind IgM, IgG Fc and Fab
Staphylococcus pseudintermedius Sbi paralogs inhibit complement and bind IgM, IgG Fc and Fab Open
The success of staphylococci as pathogens has been attributed, in part, to their ability to evade their hosts' immune systems. Although the proteins involved in evasion have been extensively studied in staphylococci affecting humans little…
View article: Evaluation of The Immunological and Growth Enhancing Effect of Probiotic Used in Poultry Ration
Evaluation of The Immunological and Growth Enhancing Effect of Probiotic Used in Poultry Ration Open
A total of 60 one day old broiler chicks (Cobb 500) were used, the chicks were first weighted and randomly assigned into three experimental groups (20 chicks per each), the first group (G1) was negative control and received basal diet, the…
View article: Fungal Contaminants in Commercial Chicken Feeds and Effect of Feeding Aflatoxin B1 Contaminated Ration on Validity of Live Hitchner B1 Vaccine Immunogenicity
Fungal Contaminants in Commercial Chicken Feeds and Effect of Feeding Aflatoxin B1 Contaminated Ration on Validity of Live Hitchner B1 Vaccine Immunogenicity Open
This study was designed to spot highlight on the incidence of fungal contaminants and Aflatoxins producing molds in 35 feed samples from 28 broiler and 7 egg-laying chicken flocks in Egyptian.Furthermore, the effects of feeding SPF-white L…
View article: Molecular Detection of Some Virulence Genes of Salmonella Serotypes Isolated From Poultry in Egypt
Molecular Detection of Some Virulence Genes of Salmonella Serotypes Isolated From Poultry in Egypt Open
Salmonellosis is recognized as an important health problem and a major challenge in poultry industry worldwide. This study highlight the prevalence rate of salmonella serotypes in chickens as well as demonstration of some critical virulenc…
View article: Rapid and Precise Diagnostic Tests for S. equi: An Etiologic Agent of Equine Strangles
Rapid and Precise Diagnostic Tests for S. equi: An Etiologic Agent of Equine Strangles Open
Strangles is a highly infectious, worldwide, costly disease, affects the upper respiratory system of equine and is caused by Streptococcus equi.Early diagnosis ought to be performed for infected and carrier horses by rapid and accurate dia…