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https://www.readbyqxmd.com/read/28719657/isolation-and-in-vitro-evaluation-of-bacteriophages-against-mdr-bacterial-isolates-from-septic-wound-infections
#1
Roja Rani Pallavali, Vijaya Lakshmi Degati, Dakshayani Lomada, Madhava C Reddy, Vijaya Raghava Prasad Durbaka
Multi-drug resistance has become a major problem for the treatment of pathogenic bacterial infections. The use of bacteriophages is an attractive approach to overcome the problem of drug resistance in several pathogens that cause fatal diseases. Our study aimed to isolate multi drug resistant bacteria from patients with septic wounds and then isolate and apply bacteriophages in vitro as alternative therapeutic agents. Pus samples were aseptically collected from Rajiv Gandhi Institute of Medical Science (RIMS), Kadapa, A...
2017: PloS One
https://www.readbyqxmd.com/read/28717851/multidrug-resistant-salmonellae-isolated-in-japanese-quails-reared-in-abeokuta-nigeria
#2
Ezekiel O Omoshaba, F O Olufemi, O E Ojo, A O Sonibare, M Agbaje
Salmonellosis is a major bacterial disease causing huge economic losses in the poultry industry worldwide. This study was carried out to determine the period prevalence and antimicrobial susceptibility of Salmonella enterica in Japanese quails in Abeokuta, Nigeria. Four hundred cloacal swabs of quail birds were collected from 4 locations within Abeokuta. Salmonella was isolated from the samples using conventional methods for selective isolation of Salmonella and biochemical identification. Isolates were confirmed by polymerase chain reaction assays for the amplification and detection of Salmonella-associated virulence genes (invA and stn) using specific primers...
July 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28714488/nasal-carriage-rate-of-methicillin-resistant-staphylococcus-aureus-among-health-care-workers-at-a-tertiary-care-hospital-in-kathmandu-nepal
#3
S Khatri, N D Pant, R Bhandari, K L Shrestha, C D Shrestha, N Adhikari, A Poudel
BACKGROUND: Methicillin-resistant Staphylococcus aureus is one of the most common causes of nosocomial infections. Due to its multidrug resistant nature; infections due to Methicillin-resistant Staphylococcus aureus are often very difficult to treat. Colonized health care workers are the important sources of Methicillin-resistant Staphylococcus aureus. The objectives of this study were to determine the nasal carriage rate of Methicillin-resistant Staphylococcus aureus among health care workers at Kathmandu Medical College and Teaching Hospital, Nepal and to assess their antimicrobial susceptibility patterns...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28710569/low-shear-modeled-microgravity-grown-penicillium-chrysogenum-mediated-biosynthesis-of-silver-nanoparticles-with-enhanced-antimicrobial-activity-and-its-anticancer-effect-in-human-liver-cancer-and-fibroblast-cells
#4
Sunirmal Sheet, Yesupatham Sathishkumar, Allur Subramaniyam Sivakumar, Kwan Seob Shim, Yang Soo Lee
Gravitational force and shear forces induce various changes in gene expression and metabolite production of microorganisms. Previous reports have shown that there are differences in the expression of different sets of proteins and enzymes under microgravity conditions compared to normal gravity. The aim of this study is to utilize culture filtrates of Penicillium chrysogenum grown under microgravity and normal conditions to synthesize silver nanoparticles and to examine whether there is any difference between their physiochemical and biological function...
July 14, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28663797/identification-of-tigecycline-and-vancomycin-resistant-staphylococcus-aureus-strains-among-patients-with-urinary-tract-infection-in-iran
#5
M Yousefi, F Fallah, M Arshadi, M R Pourmand, A Hashemi, G Pourmand
Methicillin-resistant Staphylococcus aureus (MRSA) is one of the major causes of hospital- and community-acquired infections worldwide. Although S. aureus rarely accounts for urinary tract infections (UTI), untreated UTI can lead to several complications. For decades vancomycin has been used for the treatment of MRSA infections. This study was performed to assess the in vitro activity of vancomycin, tigecycline, linezolid and quinupristin/dalfopristin against MRSA isolates from UTI patients. Thirty MRSA strains from 54 S...
September 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28652785/prevalence-and-antibiotic-resistance-of-coagulase-negative-staphylococci-isolated-from-poultry-farms-in-three-regions-of-ghana
#6
Vivian Etsiapa Boamah, Christian Agyare, Hayford Odoi, Francis Adu, Stephen Yao Gbedema, Anders Dalsgaard
The use of antibiotics in animal production has been associated with the development and spread of antibiotic-resistant organisms including commensals. Coagulase-negative Staphylococcus (CoNS) species, which were until recently considered non-pathogenic, have been associated with opportunistic infections and high resistance to several antibiotics. This study sought to determine the prevalence, identity, and phenotypic resistance of coagulase-negative Staphylococcus spp. isolated from some selected poultry farms and farm workers in the Ashanti, Brong Ahafo, and Greater Accra regions of Ghana...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28638412/molecular-identification-of-aminoglycoside-modifying-enzymes-and-plasmid-mediated-quinolone-resistance-genes-among-klebsiella-pneumoniae-clinical-isolates-recovered-from-egyptian-patients
#7
Mohamed F El-Badawy, Wael M Tawakol, Shaymaa W El-Far, Ibrahim A Maghrabi, Saleh A Al-Ghamdi, Moselhy S Mansy, Mohammed S Ashour, Mohamed M Shohayeb
Inappropriate use of antibiotics in clinical settings is thought to have led to the global emergence and spread of multidrug-resistant pathogens. The goal of this study was to investigate the prevalence of genes encoding aminoglycoside resistance and plasmid-mediated quinolone resistance among clinical isolates of Klebsiella pneumoniae. All K. pneumoniae isolates were phenotypically identified using API 20E and then confirmed genotypically through amplification of the specific K. pneumoniae phoE gene. All isolates were genotyped by the enterobacterial repetitive intergenic consensus polymerase chain reaction technique (ERIC-PCR)...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/28629757/bacterial-biofilm-based-catheter-associated-urinary-tract-infections-causative-pathogens-and-antibiotic-resistance
#8
Nargis Sabir, Aamer Ikram, Gohar Zaman, Luqman Satti, Adeel Gardezi, Abeera Ahmed, Parvez Ahmed
BACKGROUND: We sought to determine the incidence of bacterial biofilm-based catheter-associated urinary tract infections, identify variables affecting biofilm formation, and identify etiologic bacterial pathogens and antibiotic-resistance patterns associated with biofilm-based catheter-associated urinary tract infections (CAUTIs) in our setup. METHODS: Patients who developed at least 2 symptoms of urinary tract infection after at least 2 days of indwelling urinary catheters were included...
June 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28616818/fosfomycin-for-the-treatment-of-drug-resistant-urinary-tract-infections-potential-of-an-old-drug-not-explored-fully
#9
Vrushali Patwardhan, Sarman Singh
INTRODUCTION: Increased emergence of bacterial resistance and the limited options of novel antimicrobial agents have necessitated the reintroduction of some old antimicrobial agents. One such drug is fosfomycin, but its potential has not been explored fully, especially in India. AIMS AND OBJECTIVES: To analyze the in vitro activity of fosfomycin, against the urinary isolates and to compare it with in vitro activity of other orally administered antimicrobial agents...
June 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28610560/prevalence-and-molecular-characteristics-of-staphylococcus-aureus-including-methicillin-resistant-strains-isolated-from-bulk-can-milk-and-raw-milk-products-in-pastoral-communities-of-south-west-uganda
#10
Benon B Asiimwe, Rossella Baldan, Alberto Trovato, Daniela M Cirillo
BACKGROUND: Staphylococcus aureus strains are now regarded as zoonotic agents. In pastoral settings where human-animal interaction is intimate, multi-drug resistant microorganisms have become an emerging zoonotic issue of public health concern. The study of S. aureus prevalence, antimicrobial resistance and clonal lineages in humans, animals and food in African settings has great relevance, taking into consideration the high diversity of ethnicities, cultures and food habits that determine the lifestyle of the people...
June 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28605957/antimicrobial-susceptibility-of-riemerella-anatipestifer-strains-isolated-from-geese-and-ducks-in-hungary
#11
Éva Gyuris, Enikő Wehmann, Katalin Czeibert, Tibor Magyar
Riemerella anatipestifer causes anatipestifer disease in many avian species. A total of 185 R. anatipestifer strains isolated in Hungary between 2000 and 2014 from geese and ducks were tested against 13 antibiotics (ampicillin, doxycycline, enrofloxacin, erythromycin, florfenicol, flumequine, gentamicin, penicillin, spectinomycin, streptomycin, sulphamethoxazole-trimethoprim, sulphonamide compounds, and tetracycline) by the Kirby-Bauer disk diffusion method. The majority of the strains were susceptible to florfenicol (97...
June 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28603118/carbapenem-resistant-acinetobacter-spp-restricted-the-therapeutic-alternatives
#12
Naheed Afshan, Benish Nawaz, Maliha Hamid
Carbapenem resistant Acinetobacter has appeared an organism of uncertain resistivity towards antimicrobial agents. Among non-fermenting bacterium Acinetobacter is the second-most-commonly-isolated organisms in human. The fast intensify of their resistance to antibiotics, especially global emergence and extend of Acinetobacter strains resistant to carbapenem more restricted the therapeutic alternatives. The importation of A. baumannii and subsequent presence in hospitals has been well documented. In this study we evaluate the resistivity of Acinetobacter against carbapenem antibiotics at Jinnah University for Women, Karachi...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28592933/prevalence-of-biofilm-producing-aerobic-bacterial-isolates-in-burn-wound-infections-at-a-tertiary-care-hospital-in-northern-india
#13
S Asati, U Chaudhary
Burn wounds frequently get infected due to a break in skin integrity and prolonged hospitalization. Microbial flora originating from the patient's own flora colonize and infect the burn wounds. Bacterial biofilms in particular are postulated as the culprit for the development of non-healing burn wounds by inducing chronic inflammation in these patients. In the present study, 190 wound isolates obtained from patients admitted to the burn ward at the Pt. B.D. Sharma PGIMS, Rohtak, were evaluated for biofilm formation along with Antimicrobial Susceptibility Testing (AST)...
March 31, 2017: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28588285/isolation-and-characterization-of-listeria-species-from-rodents-in-natural-environments-in-china
#14
Yan Wang, Liang Lu, Ruiting Lan, Joelle K Salazar, Jingli Liu, Jianguo Xu, Changyun Ye
Listeria is ubiquitous in a variety of environments and can be isolated from a wide range of animal hosts. Rodents are capable of carrying pathogenic bacteria in their intestines, such as Listeria, and can disseminate those pathogens into the natural environment and to where human activity occurs. In this study, we investigated the occurrence and antimicrobial susceptibility of Listeria spp. isolated from wild rodents found in natural environments in China. We collected 341 intestinal fecal samples of rodents from five different regions of China, all representing different rodent habitats...
June 7, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28577365/prevalence-of-methicillin-resistant-staphylococcus-aureus-in-lumbini-medical-college-and-teaching-hospital-palpa-western-nepal
#15
Shristi Raut, Kishor Bajracharya, Janak Adhikari, Sushama Suresh Pant, Bipin Adhikari
BACKGROUND: Multidrug resistant Staphylococcus aureus is common in both tertiary and primary health care settings. Emergence of methicillin resistance in S. aureus (MRSA) along with macrolide, lincosamide, streptogramin B (MLSB) has made treatment of Staphylococcal infection more challenging. The main objective of this study was to detect MRSA, MLSB (inducible; MLSBi and constitutive; MLSBc) resistant S. aureus using phenotypic methods and to determine their antibiogram. METHODS: Various samples were collected from 1981 patients who attended Lumbini Medical College and Teaching Hospital (LMCTH) during the period of 6 months from September 2015 to February 2016...
June 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28574025/patterns-in-antimicrobial-susceptibility-of-salmonellae-isolated-at-a-tertiary-care-hospital-in-northern-india
#16
Preeti Behl, Varsha Gupta, Atul Sachdev, Vishal Guglani, Jagdish Chander
BACKGROUND & OBJECTIVES: Multidrug-resistant Salmonellae have emerged worldwide as also in India. The aim of this study was to study the antimicrobial susceptibility pattern of Salmonella enterica serovars isolated at a tertiary care hospital in northern India. METHODS: A total of 106 S. enterica serovars isolated from various clinical samples from January 2011 to June 2012 were tested for antimicrobial susceptibility by Kirby-Bauer disk diffusion method. The minimum inhibitory concentration (MIC) of ciprofloxacin, chloramphenicol and ceftriaxone was determined both by agar dilution method and E-test for all the isolates...
January 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28560581/antimicrobial-and-anti-biofilm-properties-of-polypropylene-meshes-coated-with-metal-containing-dlc-thin-films
#17
Elisa M Cazalini, Walter Miyakawa, Guilherme R Teodoro, Argemiro S S Sobrinho, José E Matieli, Marcos Massi, Cristiane Y Koga-Ito
A promising strategy to reduce nosocomial infections related to prosthetic meshes is the prevention of microbial colonization. To this aim, prosthetic meshes coated with antimicrobial thin films are proposed. Commercial polypropylene meshes were coated with metal-containing diamond-like carbon (Me-DLC) thin films by the magnetron sputtering technique. Several dissimilar metals (silver, cobalt, indium, tungsten, tin, aluminum, chromium, zinc, manganese, tantalum, and titanium) were tested and compositional analyses of each Me-DLC were performed by Rutherford backscattering spectrometry...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28553414/esbl-production-among-e-coli-and-klebsiella-spp-causing-urinary-tract-infection-a-hospital-based-study
#18
Pooja Shakya, Dhiraj Shrestha, Elina Maharjan, Vijay K Sharma, Rabin Paudyal
INTRODUCTION: Increase in extended-spectrum β-lactamases (ESBL) producing microbes in recent years has led to limitations of treatment options. This study aimed to assess the prevalence of ESBL producing E. coli and Klebsiella spp. at a tertiary hospital in Nepal. METHODS: A total of 2209 non-repetitive mid-stream urine (MSU) samples were collected during the study period (March to September 2014). Identification of the isolates was done by Gram's staining followed by biochemical tests...
2017: Open Microbiology Journal
https://www.readbyqxmd.com/read/28546811/antimicrobial-activity-of-a-cationic-guanidine-compound-against-two-pathogenic-oral-bacteria
#19
E Escamilla-García, A G Alcázar-Pizaña, J C Segoviano-Ramírez, C Del Angel-Mosqueda, A P López-Lozano, E Cárdenas-Estrada, M A De La Garza-Ramos, C E Medina-De La Garza, M Márquez
This study evaluated the potential antimicrobial properties of a polyguanidine (CatDex) on two oral bacteria. Chlorhexidine gluconate 1340 μmoL L(-1) (CHX 0.12%) was used as control. Streptococcus mutans (S. mutans) and Porphyromonas gingivalis (P. gingivalis) were grown in BHI media. Bacterial sensitivity and antimicrobial activity were determined by the minimum inhibitory concentration (MIC) and Kirby-Bauer methods. To study side effects, that is, toxicity, dental pulp stem cells (DPSCs) were used. Fluorometric cytotoxicity and confocal microscopy assays were used in order to test cell viability...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/28533857/antibiogram-profile-of-uropathogens-isolated-at-bahir-dar-regional-health-research-laboratory-centre-northwest-ethiopia
#20
Awoke Derbie, Derese Hailu, Daniel Mekonnen, Bayeh Abera, Gashaw Yitayew
INTRODUCTION: Antimicrobial resistance among bacteria that cause urinary tract infection (UTI) has been increasing since the introduction of chemotherapy. This study was aimed to assess the types of isolates from patients with UTI and to determine their current antimicrobial susceptibility profile. METHODS: A record based retrospective analysis of bacterial uropathogens processed in the period of January 2012 to December 2014 at Bahir Dar Health Research Laboratory Center (BRHRLC) was determined...
2017: Pan African Medical Journal
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