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https://www.readbyqxmd.com/read/29148877/characterization-and-horizontal-transfer-of-antimicrobial-resistance-genes-and-integrons-in-bacteria-isolated-from-cooked-meat-products-in-china
#1
Tao Yu, Xiaobing Jiang, Yu Liang, Yanping Zhu, Jinhe Tian, Hao Ying, Xuannian Wang, Lei Shi
The aim of this study was to investigate antimicrobial resistance and the presence and transferability of corresponding resistance genes and integrons in bacteria isolated from cooked meat samples in the People's Republic of China. A total of 150 isolates (22 species belonging to 15 genera) were isolated from 49 samples. Resistance of these isolates to antimicrobials was commonly observed; 42.7, 36.0, and 25.3% of the isolates were resistant to tetracycline, streptomycin, and ampicillin, respectively. Multidrug resistance was observed in 41 (27...
November 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29147677/antimicrobial-resistance-profiles-of-bacteria-isolated-from-the-nasal-cavity-of-camels-in-samburu-nakuru-and-isiolo-counties-of-kenya
#2
J M Mutua, C G Gitao, L C Bebora, F K Mutua
This study was designed to determine antimicrobial resistance profiles of bacteria isolated from the nasal cavity of healthy camels. A total of 255 nasal samples (swabs) were collected in Isiolo, Samburu, and Nakuru counties, Kenya, from which 404 bacterial isolates belonging to various genera and species were recovered. The bacterial isolates included Bacillus (39.60%), coagulase-negative Staphylococcus (29.95%), Streptococcus species other than Streptococcus agalactiae (25.74%), coagulase-positive Staphylococcus (3...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/29147117/colistin-resistance-of-pseudomonas-aeruginosa-isolated-from-snakes-in-taiwan
#3
Po-Yu Liu, Ling-Ling Weng, Shu-Ying Tseng, Chou-Chen Huang, Ching-Chang Cheng, Yan-Chiao Mao, Kwong-Chung Tung
This study included fifty-eight isolates of P. aeruginosa from the oral cavity of snakes that were recruited from clinical cases, captive and wild snakes. The minimum inhibitory concentrations (MICs) for the determination of susceptibility were identified by the broth microdilution method. Polymerase chain reaction (PCR) was employed to detect β-lactamases genes. With regard to antipseudomonal antibiotics, the lowest nonsusceptible rates were in aztreonam (15%), piperacillin/tazobactam (12%), and amikacin (9%)...
2017: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/29147114/antibiotic-resistant-bacterial-isolates-from-captive-green-turtles-and-in-vitro-sensitivity-to-bacteriophages
#4
Alessandro Delli Paoli Carini, Ellen Ariel, Jacqueline Picard, Lisa Elliott
This study aimed to test multidrug resistant isolates from hospitalised green turtles (Chelonia mydas) and their environment in North Queensland, Australia, for in vitro susceptibility to bacteriophages. Seventy-one Gram-negative bacteria were isolated from green turtle eye swabs and water samples. Broth microdilution tests were used to determine antibiotic susceptibility. All isolates were resistant to at least two antibiotics, with 24% being resistant to seven of the eight antibiotics. Highest resistance rates were detected to enrofloxacin (77%) and ampicillin (69...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29146890/effectiveness-of-topical-green-tea-against-multidrug-resistant-staphylococcus-aureus-in-cases-of-primary-pyoderma-an-open-controlled-trial
#5
Nagaraju Umashankar, Belliappa Pemmanda, P Gopkumar, A J Hemalatha, Priya K Sundar, H V Prashanth
BACKGROUND: Antimicrobial activity of green tea against Staphylococcus aureus both in vitro and in vivo has been reported recently. Studies on clinical efficacy and safety of green tea as antibacterial agent against S. aureus in human cases are rare. OBJECTIVES: To evaluate the clinical effectiveness and safety of topical green tea on primary pyoderma caused by S. aureus. We also attempted to determine the minimum inhibitory concentration of green tea against S...
November 14, 2017: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/29146858/whole-genome-shotgun-sequences-of-three-multidrug-resistant-mycobacterium-tuberculosis-strains-isolated-from-morocco
#6
Lamiaa Lahlou, Nadia El Mrimar, Meriem Laamarti, Tarek Alouane, Mohammed A Bendahou, Fatna Bssaibis, Yassine Ben Lahlou, Adil Zegmout, N El Hafidi, Rachid ElJaoudi, Mohammed Frikh, Abdelhay Lemnouar, Mostafa Elouennass, Azeddine Ibrahimi
Tuberculosis is a contagious disease that usually attacks the lungs but sometimes attacks other parts of the body, such as the kidneys, glands, and bones. It is an endemic and major public health problem in Morocco. Tuberculosis is transmitted through the airways via the inhalation of microdroplets containing Mycobacterium tuberculosis We present here the whole-genome shotgun sequences of three multidrug-resistant M. tuberculosis strains isolated from Morocco.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146839/draft-genome-sequence-of-myroides-sp-n17-2-a-multidrug-resistant-bacterium-isolated-from-radiation-polluted-soils
#7
Tingting Liu, Liying Zhu, Zhidong Zhang, Ling Jiang, He Huang
We report here the 4.29-Mb draft genome sequence of Myroides sp. N17-2, a new bacterium isolated from radiation-polluted soils in Xinjiang, Uyghur Autonomous Region, China. The acquisition of its genome will provide valuable information to reveal the relationship between radiation and multidrug resistance.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146834/draft-genome-sequence-of-carbapenemase-producing-serratia-marcescens-isolated-from-a-patient-with-chronic-obstructive-pulmonary-disease
#8
Sarah Lepuschitz, Sieglinde Sorschag, Burkhard Springer, Franz Allerberger, Werner Ruppitsch
The occurrence of multidrug-resistant Serratia marcescens strains producing metallo-β-lactamases or extended-spectrum β-lactamases represents a serious public health threat. Here, we report the draft genome sequence of a multidrug-resistant carbapenemase-producing Serratia marcescens isolate recovered from the bronchoalveolar lavage specimen of a patient suffering from chronic obstructive pulmonary disease (COPD).
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146549/risk-assessment-of-infected-children-with-pseudomonas-aeruginosa-pneumonia-by-combining-host-and-pathogen-predictors
#9
Jiayi Chen, Yuhang Chen, Pengwei Hu, Tao Zhou, Xin Xu, Xiaofang Pei
The current criteria of pneumonia severity, which mainly depend on clinical manifestations and laboratory findings from blood routine tests and X-ray examination, are still of great significance in preliminary diagnosis. However, the utility of traditional severe pneumonia indexes (SPI) without considering high virulence and multidrug resistance of Pseudomonas aeruginosa has limitations. Thus, it is of great value to make a risk assessment, which can serve as a complementary option for incomplete clinical diagnosis...
November 13, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29146106/the-hydrophobic-trap-the-achilles-heel-of-rnd-efflux-pumps
#10
Zachary Aron, Timothy J Opperman
Resistance-nodulation-division (RND) superfamily efflux pumps play a major role in multidrug resistance (MDR) of Gram-negative pathogens by extruding diverse classes of antibiotics from the cell. There has been considerable interest in developing efflux pump inhibitors (EPIs) of RND pumps as adjunctive therapies. The primary challenge in EPI discovery has been the highly hydrophobic, poly-specific substrate binding site of the target. Recent findings have identified the hydrophobic trap, a narrow phenylalanine-lined groove in the substrate-binding site, as the "Achilles heel" of the RND efflux pumps...
November 13, 2017: Research in Microbiology
https://www.readbyqxmd.com/read/29146039/clinical-features-and-outcomes-of-bacteraemia-due-to-oxa-48-like-carbapenemase-producing-klebsiella-pneumoniae-in-a-tertiary-hospital
#11
Ana Madueño, Jonathan González-García, María Del Mar Alonso Socas, María Antonia Miguel Gómez, María Lecuona
INTRODUCTION: Limited therapeutic options and high mortality make the management of OXA-48-like carbapenemase-producing Klebsiella pneumoniae (KPOXA-48) bacteraemia complicated. The aim of the study was to describe the clinical characteristics of KPOXA-48 bacteraemia between October 2013 and December 2016. MATERIAL AND METHODS: The variables to analyse were retrospectively collected from medical records. Carbapenemase production was confirmed by phenotypic and molecular methods...
November 13, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29145976/not-only-p-glycoprotein-amplification-of-the-abcb1-containing-chromosome-region-7q21-confers-multidrug-resistance-upon-cancer-cells-by-coordinated-overexpression-of-an-assortment-of-resistance-related-proteins
#12
Ilaria Genovese, Andrea Ilari, Yehuda G Assaraf, Francesco Fazi, Gianni Colotti
The development of drug resistance continues to be a dominant hindrance toward curative cancer treatment. Overexpression of a wide-spectrum of ATP-dependent efflux pumps, and in particular of ABCB1 (P-glycoprotein or MDR1) is a well-known resistance mechanism for a plethora of cancer chemotherapeutics including for example taxenes, anthracyclines, Vinca alkaloids, and epipodopyllotoxins, demonstrated by a large array of published papers, both in tumor cell lines and in a variety of tumors, including various solid tumors and hematological malignancies...
May 2017: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/29145169/a-zinc-schiff-base-complex-inhibits-cancer-progression-both-in-vivo-and-in-vitro-by-inducing-apoptosis
#13
Arpita Banerjee, Kaushik Banerjee, Abhinaba Sinha, Satyajit Das, Saikat Majumder, Subrata Majumdar, Soumitra Kumar Choudhuri
Cancer chemotherapy suffers from selectivity and undesired toxicity of the drugs. Since zinc is a biocompatible tracer element and cysteine derivatives are used in cancer chemoprevention, we intend to develop a complex of zinc and cysteine-derivatives as potent, non-toxic anticancer agents. Herein, we synthesized and characterized cysteine based ligand, 2-[(2-Hydroxy-3-methoxy-benzylidene)-amino]-3-mercapto-propionic acid and its Zn-complex, which are found to be non-toxic towards normal human PBMC. Data also revealed that only Zn-complex exhibited remarkable apoptosis in drug-sensitive CCRF-CEM and multidrug-resistant CEM/ADR5000 cancer cells as assessed by MTT, Cell cycle and AnnexinV binding assay...
November 6, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29145163/spread-of-multidrug-resistant-escherichia-coli-harboring-integron-via-swine-farm-waste-water-treatment-plant
#14
Jin-Hyeong Park, Young-Ji Kim, Binn-Kim, Kun-Ho Seo
Wastewater treatment plants (WWTPs) that release treated wastewater into the environment have emerged as a major threat to public health. In this study, we investigated Escherichia coli load and antibiotic-resistance profiles across different treatment processes at a swine farm WWTP. The frequency of the detection of class 1 and 2 integrons, and their association with antibiotic resistance, were also analyzed. Samples were obtained at each of five sampling sites that represented each processing step within the WWTP...
November 13, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29144724/structure-based-analysis-of-boronic-acids-as-inhibitors-of-acinetobacter-derived-cephalosporinase-7-adc-7-a-unique-class-c-%C3%AE-lactamase
#15
Alexandra A Bouza, Hollister C Swanson, Kali A Smolen, Alison L VanDine, Magdalena A Taracila, Chiara Romagnoli, Emilia Caselli, Fabio Prati, Robert A Bonomo, Rachel A Powers, Bradley J Wallar
Acinetobacter baumannii is a multidrug resistant pathogen that infects more than 12,000 patients each year in the US. Much of the resistance to β-lactam antibiotics in Acinetobacter spp. is a result of class C β-lactamases known as Acinetobacter-derived cephalosporinases (ADCs). ADCs are unaffected by clinically used -lactam-based β-lactamase inhibitors. In this study, five boronic acid transition state analog inhibitors (BATSIs) were evaluated for inhibition of the class C cephalosporinase ADC-7. Our goal was to explore the properties of BATSIs designed to probe the R1 binding site...
November 16, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29144223/no-touch-disinfection-methods-to-decrease-multidrug-resistant-organism-infections-a-systematic-review-and-meta-analysis
#16
Alexandre R Marra, Marin L Schweizer, Michael B Edmond
BACKGROUND Recent studies have shown that using no-touch disinfection technologies (ie, ultraviolet light [UVL] or hydrogen peroxide vapor [HPV] systems) can limit the transmission of nosocomial pathogens and prevent healthcare-associated infections (HAIs). To investigate these findings further, we performed a systematic literature review and meta-analysis on the impact of no-touch disinfection methods to decrease HAIs. METHODS We searched PubMed, CINAHL, CDSR, DARE and EMBASE through April 2017 for studies evaluating no-touch disinfection technology and the nosocomial infection rates for Clostridium difficile, methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), and other multidrug-resistant organisms (MDROs)...
November 16, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29143876/deregulation-of-genes-associated-with-alternate-drug-resistance-mechanisms-in-mycobacterium-tuberculosis
#17
Kalpana Sriraman, Kayzad Nilgiriwala, Dhananjaya Saranath, Anirvan Chatterjee, Nerges Mistry
Alternate mechanisms of drug resistance involving intrinsic defense pathways play an important role in development of drug resistance. Deregulation of drug efflux, cellular metabolism, and DNA repair have been indicated to have effect on drug tolerance and persistence. Here we chose eight genes from these pathways to investigate their association with development of multidrug resistance (MDR). We generated mono drug resistant and MDR strains of rifampicin and isoniazid and examined the differential expression of genes belonging to efflux, DNA repair and cell wall lipid synthesis pathways...
November 16, 2017: Current Microbiology
https://www.readbyqxmd.com/read/29143332/accurate-prediction-and-elucidation-of-drug-resistance-based-on-the-robust-and-reproducible-chemoresponse-communities
#18
Enyu Dai, Jing Wang, Feng Yang, Xu Zhou, Qian Song, Shuyuan Wang, Xuexin Yu, Dianming Liu, Qian Yang, Hong Dai, Wei Jiang, Hong Ling
Selecting the available treatment for each cancer patient from genomic context is a core goal of precision medicine, but innovative approaches with mechanism interpretation and improved performance are still highly needed. Through utilizing in vitro chemotherapy response data coupled with gene and miRNA expression profiles, we applied a network-based approach that identified markers not as individual molecules but as functional groups extracted from the integrated transcription factor and miRNA regulatory network...
November 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29142609/role-of-5-aza-cdr-in-mitomycin-c-chemosensitivity-of-t24-bladder-cancer-cells
#19
Hui-Hui Zhang, Bo Huang, You-Han Cao, Qing Li, Han-Feng Xu
Chemotherapeutic insensitivity is one of key obstacles to effectively treating muscle invasive bladder cancer. 5-Aza-2'-deoxycytidine (5-Aza-CdR) has been identified as a tumor suppressive agent in various types of cancer. The aim of the present study was to identify the effects of 5-Aza-CdR on the mitomycin-C (MMC) chemosensitivity of T24 bladder cancer cells and investigate the underlying mechanisms. T24 cells were treated with a combination of MMC and 5-Aza-CdR at various concentrations. The rates of proliferation and apoptosis were assessed by an MTT assay and flow cytometry, respectively...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29142389/bioactive-constituents-radical-scavenging-and-antibacterial-properties-of-the-leaves-and-stem-essential-oils-from-peperomia-pellucida-l-kunth
#20
Sunday O Okoh, Benson C Iweriebor, Omobola O Okoh, Anthony I Okoh
Background: Peperomia pellucida is an annual herbaceous ethnomedicinal plant used in the treatment of a variety of communicable and noncommunicable diseases in the Amazon region. Objective: The study aimed at profiling the bioactive constituents of the leaves and stem essential oils (LEO and SEO) of P. pellucida, their in vitro antibacterial and radical scavenging properties as probable lead constituents in the management of oxidative stress and infectious diseases...
October 2017: Pharmacognosy Magazine
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