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https://www.readbyqxmd.com/read/28914802/phylogenetic-analysis-and-antimicrobial-profiles-of-cultured-emerging-opportunistic-pathogens-phyla-actinobacteria-and-proteobacteria-identified-in-hot-springs
#1
Jocelyn Leonie Jardine, Akebe Luther King Abia, Vuyo Mavumengwana, Eunice Ubomba-Jaswa
Hot spring water may harbour emerging waterborne opportunistic pathogens that can cause infections in humans. We have investigated the diversity and antimicrobial resistance of culturable emerging and opportunistic bacterial pathogens, in water and sediment of hot springs located in Limpopo, South Africa. Aerobic bacteria were cultured and identified using 16S ribosomal DNA (rDNA) gene sequencing. The presence of Legionella spp. was investigated using real-time polymerase chain reaction. Isolates were tested for resistance to ten antibiotics representing six different classes: β-lactam (carbenicillin), aminoglycosides (gentamycin, kanamycin, streptomycin), tetracycline, amphenicols (chloramphenicol, ceftriaxone), sulphonamides (co-trimoxazole) and quinolones (nalidixic acid, norfloxacin)...
September 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28903168/-sharing-bacterial-microbiota-between-owners-and-their-pets-dogs-cats
#2
Jan Wipler, Zuzana Čermáková, Tomáš Hanzálek, Hana Horáková, Helena Žemličková
INTRODUCTION: The microbiological aspect of a relationship between pets (dogs/cats) and their owners is mainly concerned with the incidence of shared bacterial species, in particular potential pathogens. Given the great popularity of sharing homes with pets (dogs/cats) in the Czech Republic, there is an increased possibility of communication between microbiota of the two macroorganisms (pet and owner). The aim of the study was to determine the biodiversity of shared bacteria and possibility of exchange of genes of resistance to antimicrobial agents between potential pathogens based on the close relationship between pets and humans...
June 2017: Klinická Mikrobiologie a Infekc̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28870347/in%C3%A2-vitro-inhibitory-analysis-of-consensus-sirnas-against-ns3-gene-of-hepatitis-c-virus-1a-genotype
#3
Imran Shahid, Waleed Hassan AlMalki, Mohammed Wanees AlRabia, Mohammed Hasan Mukhtar, Shaia Saleh R Almalki, Saad Ahmed Alkahtani, Sami S Ashgar, Hani S Faidah, Muhammad Hassan Hafeez
OBJECTIVE: To explore inhibitory effects of genome-specific, chemically synthesized siRNAs (small interference RNA) against NS3 gene of hepatitis C virus (HCV) 1a genotype in stable Huh-7 (human hepatoma) cells as well as against viral replication in serum-inoculated Huh-7 cells. METHODS: Stable Huh-7 cells persistently expressing NS3 gene were produced under antibiotic gentamycin (G418) selection. The cell clones resistant to 1000 μg antibiotic concentration (G418) were picked as stable cell clones...
July 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28862669/antimicrobial-susceptibility-of-staphylococcus-aureus-isolated-from-recreational-waters-and-beach-sand-in-eastern-cape-province-of-south-africa
#4
Olufemi Emmanuel Akanbi, Henry Akum Njom, Justine Fri, Anthony C Otigbu, Anna M Clarke
Background: Resistance of Staphylococcus aureus to commonly used antibiotics is linked to their ability to acquire and disseminate antimicrobial-resistant determinants in nature, and the marine environment may serve as a reservoir for antibiotic-resistant bacteria. This study determined the antibiotic sensitivity profile of S.aureus isolated from selected beach water and intertidal beach sand in the Eastern Cape Province of South Africa. Methods: Two hundred and forty-nine beach sand and water samples were obtained from 10 beaches from April 2015 to April 2016...
September 1, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28831221/prevalence-and-antimicrobial-resistance-pattern-of-shiga-toxigenic-escherichia-coli-in-diarrheic-buffalo-calves
#5
M Srivani, Y Narasimha Reddy, K V Subramanyam, M Ramakoti Reddy, T Srinivasa Rao
AIM: Aim of the study was to investigate the prevalence, virulence gene profiles, and antimicrobial resistance pattern of Shiga toxigenic Escherichia coli (STEC) in diarrheic buffalo calves from Andhra Pradesh and Telangana States. MATERIALS AND METHODS: A total of 375 fecal samples from diarrheic buffalo calves of 1-7, 8-30, 31-60, and 61-90 days age were collected from which STEC were isolated, and virulence genes were detected using multiplex polymerase chain reaction...
July 2017: Veterinary World
https://www.readbyqxmd.com/read/28830510/prevalence-of-methicillin-resistant-staphylococcus-aureus-carriage-on-admission-among-patients-attending-regional-hospitals-in-dar-es-salaam-tanzania
#6
Agricola Joachim, Sabrina J Moyo, Lillian Nkinda, Mtebe Majigo, Elia Mbaga, Naboth Mbembati, Said Aboud, Eligius F Lyamuya
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is a major pathogen responsible for hospital and community acquired infection. Colonization with MRSA is associated with a high risk of developing infection. This study aimed to determine the rate of MRSA carriage on admission and the associated risk factors among patients attending regional hospitals, in Dar es Salaam, Tanzania. RESULTS: A total of 258 patients were included in this study. Nasal swabs were collected on admission to the hospital and after 48 h of hospital stay for detection of MRSA...
August 22, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28815023/antibiotic-resistance-ability-to-form-biofilm-and-susceptibility-to-copper-alloys-of-selected-staphylococcal-strains-isolated-from-touch-surfaces-in-polish-hospital-wards
#7
Anna Różańska, Agnieszka Chmielarczyk, Dorota Romaniszyn, Małgorzata Bulanda, Monika Walkowicz, Piotr Osuch, Tadeusz Knych
BACKGROUND: Despite the employment of sanitary regimes, contact transmission of the aetiological agents of hospital infections is still exceedingly common. The issue of microbe transmission becomes particularly important when facing multidrug-resistant microorganisms such as methicillin-resistant staphylococci. In the case of deficiencies in cleaning and disinfection procedures, hospital equipment made of copper alloys can play an important role, complementing traditional hospital hygiene procedures...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28812009/the-bacteriological-quality-safety-and-antibiogram-of-salmonella-isolates-from-fresh-meat-in-retail-shops-of-bahir-dar-city-ethiopia
#8
Melkamnesh Azage, Mulugeta Kibret
The habit of raw meat consumption in addition to the poor hygienic standards and lack of knowledge contribute to food-borne diseases outbreaks. The objective of this research was to assess the bacterial quality and safety of fresh meat from retail Bahir Dar City, Ethiopia. A total of 30 fresh meat samples were collected from butcher shops. Standard bacteriological methods were used to isolate and enumerate bacteria. Kirby-Bauer disk diffusion method was used for antimicrobial susceptibility testing of Salmonella isolates...
2017: International journal of food science
https://www.readbyqxmd.com/read/28791351/altered-gene-expression-profile-in-a-rat-model-of-gentamicin-induced-ototoxicity-and-nephrotoxicity-and-the-potential-role-of-upregulated-ifi44-expression
#9
Jun-Gen Hu, Yu Fu, Jian-Ju Xu, Xian-Ping Ding, Hui-Qi Xie, Jesse Li-Ling
As demonstrated by Alport syndrome, the co‑occurrence of auditory and urinary system malformations, and gentamicin-induced ototoxicity and nephrotoxicity, the ears and kidneys potentially share certain molecular pathways. In the present study, microarray chips were used to analyze the changes in the gene expression profile using a rat model of gentamicin‑induced ototoxicity and nephrotoxicity, using rat liver tissue as a control. A number of genes were identified to exhibit similar expression changes in the rat ears and kidney tissues, among which microtubule‑associated protein 44 (Ifi44), was selected for further analysis to validate its expression changes and confirm potential involvement in the inflammation process in the disease model...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28782933/new-insights-into-antibiofilm-effect-of-a-nanosized-zno-coating-against-the-pathogenic-methicillin-resistant-staphylococcus-aureus
#10
Marta M Alves, Ons Bouchami, Ana Tavares, Laura Córdoba, Catarina F Santos, Maria Miragaia, Maria de Fátima Montemor
ZnO nanoparticles (NPs) are arising as promising novel antibiotics toward device-related infections. The surface functionalization of Zn, a novel resorbable biomaterial, with ZnO NPs could present an effective solution to overcome such a threat. In this sense, the antibacterial and antibiofilm activity of nano- and microsized ZnO coatings was studied against clinically relevant bacteria, methicillin resistant Staphylococcus aureus (MRSA). The bacterial viability of planktonic and biofilm cells together with the corresponding biofilm structures revealed that only the nanosized ZnO coating had an antibiofilm effect...
August 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28758436/-diagnostics-and-treatment-of-infectious-keratitis
#11
Nóra Szentmáry, László Módis, László Imre, Ágnes Füst, Loay Daas, Lenke Laurik, Berthold Seitz, Zoltán Zsolt Nagy
We summarize up-to-date diagnostic and treatment of infectious keratitis using literature data and some clinical examples. In the clinical practice, most commonly bacterial, herpetic, mycotic and acanthamoeba keratitis occur. Beside slitlamp examination, for diagnostic purpose, we analyse corneal sensitivity, perform in vivo confocal microscopy, polymerase-chain-reaction (PCR), in vitro culture and histological examination of the corneal sample. As conservative treatment we use primarily topical moxifloxacin or cephasolin with fortified tobramycin or gentamycin in bacterial, topical antiviral gel (in some cases in combination with systemic antiviral treatment) in part in combination with topical corticosteroids in herpetic, voriconasole or amphotericin-B in mycotic, and topical-triple-therapy (diamidine, biguanid and antibiotics) in acanthamoeba keratitis...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28744634/nephroprotective-effect-of-edl-peptide-at-acute-injury-of-kidneys-of-different-genesis
#12
I I Zamorskii, T S Shchudrova, N S Lin'kova, T E Nichik, V Kh Khavinson
EDL peptide produced a nephroprotective effect on experimental models gentamycin-induced nephropathy and ischemia/reperfusion kidney injury in rats. The nephroprotective effect of EDL peptide manifested in prevention of oliguria and retention azotemia, a decrease in proteinuria and sodium excretion, prevention of critical decrease in activities of antioxidant enzymes, suppression of LPO, and normalization of energy supply to kidneys cells. Our findings confirm the prospects of further studies of the nephroprotective properties of peptide EDL in various pathologies of the kidneys...
July 25, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28739228/listeria-monocytogenes-in-raw-milk-milking-equipment-and-dairy-workers-molecular-characterization-and-antimicrobial-resistance-patterns
#13
Asmaa B M B Tahoun, Rasha M M Abou Elez, Eman N Abdelfatah, Ibrahim Elsohaby, Attia A El-Gedawy, Ahmed M Elmoslemany
OBJECTIVES: The aim of this study was to evaluate the genetic relatedness and patterns of antimicrobial resistance amongst L. monocytogenes isolated from raw milk, milking equipment, and hand swabs from workers in dairy farms. METHODS: A total of 300 samples of raw milk, milking equipment, and hand swabs were collected from four dairy farms to examine the presence of Listeria species. Suspected isolates were further identified by VITEK-2 system and Polymerase Chain Reaction (PCR)...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28729208/detection-of-multidrug-resistant-mdr-bacteria-in-untreated-waste-water-disposals-of-hospitals-in-dhaka-city-bangladesh
#14
M A G Rabbani, Md Zakir Hossain Howlader, Yearul Kabir
BACKGROUND: Emergence of MDR bacteria is a global problem and a major burden for treatment of various infectious diseases. This study was performed to detect antibiotic resistant bacteria in untreated hospital waste. METHOD: Waste water samples were collected from sewerage disposal points of two renowned hospital of Dhaka city and a total of 59 Escherichia coli and 29 Klebsiella pneumonia isolates were isolated. Antibiotic susceptibility were measured by disc diffusion method...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28722485/characterization-of-nontyphoidal-salmonella-isolates-from-asymptomatic-migrant-food-handlers-in-peninsular-malaysia
#15
Pei Yee Woh, Kwai Lin Thong, Jerzy Marian Behnke, John Watkin Lewis, Siti Nursheena Mohd Zain
Asymptomatic Salmonella carriers who work as food handlers pose food safety and public health risks, particularly during food preparation, and this has serious implications for the disease burden in society. Therefore, we conducted a study to determine the number of Salmonella carriers in a migrant cohort in several food establishments in three major cities in Peninsular Malaysia. Sociodemographic data and stool samples were collected and analyzed using standard methods of detection and isolation. Antimicrobial susceptibility tests of the positive samples were also performed...
July 19, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28717851/multidrug-resistant-salmonellae-isolated-in-japanese-quails-reared-in-abeokuta-nigeria
#16
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/28716762/selective-window-application-of-gentamicin-dexamethasone-in-meniere-s-disease
#17
Fazıl Necdet Ardıç, Funda Tümkaya, Kamil Aykal, Burçin Çabuk
OBJECTIVE: The purpose of the study is to prevent hearing loss when using intratympanic (IT) gentamicin for intractable Meniere's disease. MATERIALS AND METHODS: It is a retrospective case review study. Twenty five patients who had definite Meniere's disease and had either selective window application or weekly IT gentamicin were included into the study. First group (selective) had dexamethasone on the round window and gentamicin on oval window during exploratory tympanotomy procedure...
August 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28712173/surgical-site-infection-in-orthopaedic-implants-and-its-common-bacteria-with-their-sensitivities-to-antibiotics-in-open-reduction-internal-fixation
#18
Muhammad Qaisar Shah, Muhammad Shoib Zardad, Alamzeb Khan, Sajjad Ahmed, Abdus Saboor Awan, Taj Mohammad
BACKGROUND: Surgical site infection in orthopaedic implants is a major problem, causing long hospital stay, cost to the patient and is a burden on health care facilities. It increases rate of nonunion, osteomyelitis, implant failure, sepsis, multiorgan dysfunction and even death. Surgical site infection is defined as pain, erythema, swelling and discharge from wound site. Surgical site infection in orthopaedic implants is more challenging to the treating orthopaedic surgeon as the causative organism is protected by a biofilm over the implant's surface...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28664712/comparative-study-on-usefulness-of-gentamycin-containing-collagen-implants-in-the-treatment-of-patients-with-osteitis-and-osteomyelitis-of-the-craniofacial-skeleton
#19
COMPARATIVE STUDY
Paweł J Zawadzki, Konrad Perkowski, Michał Kotlarski, Anna Pietruczuk-Padzik, Lidia Chomicz
<b>Introduction and objective.</b> A reduction in incidences of peri-surgical complications due to infections is achieved by antibiotic prophylaxis The objective of the study was to assess the usefulness of gentamycin-containing collagen implants (GCCI) in the treatment of patients with osteitis and osteomyelitis of the craniofacial skeleton. <b>Materials and method.</b> The retrospective study included 103 patients with osteitis and osteomyelitis. 54 patients were treated intra-operatively with GCCI (Garamycin, EusaPharma, Europe)...
May 11, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28662145/prevalence-and-antibiotic-resistance-profiles-of-cerebrospinal-fluid-pathogens-in-children-with-acute-bacterial-meningitis-in-yunnan-province-china-2012-2015
#20
Hongchao Jiang, Min Su, Liyue Kui, Hailin Huang, Lijuan Qiu, Li Li, Jing Ma, Tingyi Du, Mao Fan, Qiangming Sun, Xiaomei Liu
Acute bacterial meningitis is still considered one of the most dangerous infectious diseases in children. To investigate the prevalence and antibiotic resistance profiles of cerebrospinal fluid (CSF) pathogens in children with acute bacterial meningitis in Southwest China, CSF samples from 179 meningitis patients (3 days to 12 years old) with positive culture results were collected from 2012 to 2015. Isolated pathogens were identified using the Vitek-32 system. Gram stain results were used to guide subcultures and susceptibility testing...
2017: PloS One
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