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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
#1
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
https://www.readbyqxmd.com/read/29142162/chloroform-extract-of-turmeric-inhibits-biofilm-formation-eps-production-and-motility-in-antibiotic-resistant-bacteria
#2
Sumreen Hayat, Anjum N Sabri, Timothy D McHugh
In the form of biofilms, bacteria exhibit more resistance to antibiotics. Biofilm formers can withstand severe conditions and the host's defense system. Therefore, it is necessary to search for effective biofilm inhibitors. In this study, we investigated the effect of a chloroform extract of turmeric on biofilm formation against antibiotic resistant bacteria. The extract exhibited its antibiofilm effect by altering adherence, motility, extracellular polymeric substance (EPS) production and cell surface hydrophobicity; important attributes of biofilm formation...
November 15, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29133570/activity-of-simulated-human-dosage-regimens-of-meropenem-and-vaborbactam-against-carbapenem-resistant-enterobacteriaceae-in-an-in-vitro-hollow-fiber-model
#3
Mojgan Sabet, Ziad Tarazi, Debora Rubio-Aparicio, Thomas G Nolan, Jonathan Parkinson, Olga Lomovskaya, Michael N Dudley, David C Griffith
The objective of these studies was to evaluate the exposures of meropenem and vaborbactam that would produce antibacterial activity and prevent resistance development in carbapenem-resistant, Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae strains when tested at an inocula of 10(8) CFU/mL. Thirteen K. pneumoniae isolates, three Enterobacter cloacae isolates, and one Escherichia coli isolate were examined in an in vitro hollow fiber model over 32 hours. Simulated dosage regimens of meropenem 1-2 g with vaborbactam 1-2 g, meropenem administered every 8 hours by 3 hour infusion based on Phase 1 or Phase 3 patient pharmacokinetic data were studied in the model...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29132797/cloaca-reconstruction-a-new-algorithm-which-considers-the-role-of-urethral-length-in-determining-surgical-planning
#4
Richard J Wood, Carlos A Reck-Burneo, Daniel Dajusta, Christina Ching, Rama Jayanthi, D Gregory Bates, Molly E Fuchs, Katherine McCracken, Geri Hewitt, Marc A Levitt
BACKGROUND: Cloacal malformations represent a uniquely complex challenge for surgeons. The surgical approach to date has been based on the common channel (CC) length with two patient groups considered: less than or greater than 3cm, which we believe is an oversimplification. We reviewed 19 patients, referred after surgery done elsewhere. Eight had postoperative urinary complications, 3 had constant urinary leakage and had been left after surgery with a urethra <1cm, .5 with an original 3 to 5cm common channel, who had undergone total urogenital mobilization (TUM), experienced peri-operative urethral loss needing a vesicostomy, and later, a Mitrofanoff...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29122871/draft-genome-sequences-of-nonclinical-and-clinical-enterobacter-cloacae-isolates-exhibiting-multiple-antibiotic-resistance-and-virulence-factors
#5
Mitali Mishra, Shashank Patole, Harapriya Mohapatra
Enterobacter spp. have been implicated as opportunistic pathogens which over the years have gained resistance toward most of the available therapeutic drugs. We sequenced two multidrug-resistant Enterobacter cloacae isolates harboring multiple efflux pump genes. These isolates exhibited strain-specific modulation of efflux pump protein expression.
November 9, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29122729/draft-genome-sequence-of-enterobacter-cloacae-st128-a-clinical-strain-coproducing-kpc-2-and-ndm-1-carbapenemases
#6
Xi Li, Yongze Zhu, Mengyuan Shen, Jing Du, Lei Zhang, Dairong Wang
OBJECTIVES: Enterobacter cloacae is one of the major pathogens responsible for a variety of human infections. Here, we report the draft genome sequence of a multidrug-resistant E. cloacae strain HBY that was isolated from a female in China. METHODS: Whole-genomic DNA of E. cloacae strain HBY was extracted and was sequenced using an Illumina-Hiseq™ 2000 platform. The generated sequence reads were assembled using CLC Genomics Workbench. The draft genome was annotated using Rapid Annotation using Subsystem Technology and the presence of antimicrobial resistance genes was identified...
November 6, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29116290/drug-resistance-ampc-%C3%AE-lactamase-and-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-isolated-from-fish-and-shrimp
#7
Marília Viana Albuquerque de Almeida, Ítalo Mendes Cangussú, Antonia Leonadia Siqueira de Carvalho, Izabelly Linhares Ponte Brito, Renata Albuquerque Costa
The present study aims to detect the production of extended-spectrum beta-lactamases (ESBL) by enterobacteria isolated from samples of fresh shrimp and fish obtained from the retail trade of the city of Sobral, Ceará State, Brazil. All bacterial isolates were submitted to identification and antimicrobial susceptibility testing using aminopenicillin, beta-lactamase inhibitors, carbapenem, 1st, 2nd, 3rd and 4th generation cephalosporins, and monobactam. Three types of beta-lactamases - ESBL, AmpC and KPC - were investigated...
November 6, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29103788/sclerotherapy-for-the-management-of-rectal-prolapse-in-children
#8
Scott C Dolejs, Justin Sheplock, Robert J Vandewalle, Mathew P Landman, Frederick J Rescorla
PURPOSE: Rectal prolapse is a commonly occurring and usually self-limited process in children. Surgical management is indicated for failures of conservative management. However, the optimal approach is unknown. The purpose of this study is to determine the efficacy of sclerotherapy for the management of rectal prolapse. METHODS: This was a retrospective review of children <18years with rectal prolapse who underwent sclerotherapy, predominantly with peanut oil (91%), between 1998 and 2015...
October 10, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29103235/validation-of-a-cross-infection-control-program-in-an-understaffed-intensive-care-unit
#9
Amit Frenkel, Abraham Borer, Aviel Roy-Shapira, Evgeni Brotfain, Leonid Koyfman, Lisa Saidel-Odes, Alir Adina, Moti Klein
BACKGROUND: The authors describe a multifaceted cross-infection control program that was implemented to contain an epidemic of multidrug-resistant microorganisms (MRO) (carbapenem resistant Pseudomonas aeruginosa and Acinetobacter baumannii; extended spectrum β-lactamase producing Klebsiella pneumoniae, Escherichia coli, Enterobacter Cloacae, and Proteus mirabilis; and ‎methicillin-resistant Staphylococcus aureus and Candida species). OBJECTIVES: To assess the effect of a control program on the incidence of cross-infection with MRO...
October 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29098912/in-vitro-antimicrobial-effects-of-a-novel-pentaherbs-concoction-for-atopic-dermatitis
#10
K L Hon, M Ip, C K Wong, Ben C L Chan, P C Leung, T F Leung
BACKGROUND: In a series of bench and clinical trials, our group has determined the immunologic effects and clinical efficacy of a concoction of five herbal ingredients (PentaHerbs Formula, PHF) in treating children with atopic eczema (AE). This study investigates the antimicrobial effects that may be induced with PHF treatment. METHODS: We investigated the effects of PHF on the minimal inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of staphylococcus aureus and various bacteria that are commonly present on the skin of patients with AE...
November 3, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29094657/morphological-variability-and-molecular-characterization-of-mawsonascaris-australis-johnston-mawson-1943-nematoda-ascaridoidea-acanthocheilidae-from-the-brown-guitarfish-rhinobatos-schlegelii-m%C3%A3-ller-henle-rhinopristiformes-rhinobatidae
#11
W-T Zhao, Z Xu, L Li
A rare ascaridoid species, Mawsonascaris australis (Johnston & Mawson, 1943), is reported from the Taiwan Strait for the first time, and the brown guitarfish Rhinobatos schlegelii Müller & Henle (Rhinopristiformes: Rhinobatidae) represents a new fish host. The detailed morphology of M. australis was studied using light and scanning electron microscopy (SEM) based on the newly collected specimens. The results revealed some important, but previously unreported or erroneous, morphological features, including the lateral alae starting well posterior to the base of the ventrolateral lips, the presence of one pair of double paracloacal papillae and a single, small precloacal median papilla on the anterior margin of the cloaca...
November 2, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29091215/soxrs-induces-colistin-hetero-resistance-in-enterobacter-asburiae-and-enterobacter-cloacae-by-regulating-the-acrab-tolc-efflux-pump
#12
Amar A Telke, Abiola Olumuyiwa Olaitan, Serge Morand, Jean-Marc Rolain
Background: Colistin is the last drug option for the treatment of MDR Gram-negative bacterial infections. Several types of resistance to colistin have been identified, including hetero-resistance, which has been observed in several Gram-negative pathogens. During a routine surveillance project on antimicrobial resistance, we found abnormal colistin-resistant Enterobacter asburiae and Enterobacter cloacae isolates. E. cloacae is an intestinal commensal bacterium and a well-known opportunistic nosocomial pathogen...
October 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29079318/transitions-in-care-from-pediatric-to-adult-general-surgery-evaluating-an-unmet-need-for-patients-with-anorectal-malformation-and-hirschsprung-disease
#13
Sarah B Cairo, Priscilla P L Chiu, Roshni Dasgupta, Karen A Diefenbach, Allan M Goldstein, Nicholas A Hamilton, Andrea Lo, Michael D Rollins, David H Rothstein
BACKGROUND: The provision of timely and comprehensive transition of care from pediatric to adult surgical providers for patients who have undergone childhood operations remains a challenge. Understanding the barriers to transition from a patient and family perspective may improve this process. METHODS: A cross-sectional survey was conducted of patients with a history of anorectal malformation (ARM) or Hirschsprung Disease (HD) and their families. The web-based survey was administered through two support groups dedicated to the needs of individuals born with these congenital abnormalities...
October 7, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29073359/complete-genome-sequence-of-enterobacter-cloacae-r11-reveals-multiple-genes-potentially-associated-with-high-level-polymyxin-e-resistance
#14
Chuanqing Zhong, Chao Zhang, Jiafang Fu, Wenbing Chen, Tianyi Jiang, Guangxiang Cao
Enterobacter cloacae strain R11 is a multidrug-resistant bacterium isolated from sewage water near a swine feedlot in China. Strain R11 can survive in medium with up to 192 μg/ml polymyxin E, indicating a tolerance for this antibiotic significantly higher than that reported for other gram-negative bacteria. In this study, conjugation experiments showed that partial polymyxin E resistance could be transferred from strain R11 to Escherichia coli strain 25922, revealing that some genes related to polymyxin E resistance are plasmid-based...
October 26, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29072607/presence-of-legionella-spp-in-hot-water-networks-of-different-italian-residential-buildings-a-three-year-survey
#15
Michele Totaro, Paola Valentini, Anna Laura Costa, Lorenzo Frendo, Alessia Cappello, Beatrice Casini, Mario Miccoli, Gaetano Privitera, Angelo Baggiani
Although the European reports highlight an increase in community-acquired Legionnaires' disease cases, the risk of Legionella spp. in private houses is underestimated. In Pisa (Italy) we performed a three-year survey on Legionella presence in 121 buildings with an independent hot water production (IB); 64 buildings with a central hot water production (CB); and 35 buildings with a solar thermal system for hot water production (TB). From all the 220 buildings Legionella spp. was researched in two hot water samples collected either at the recirculation point or on the first floor and on the last floor, while the potable water quality was analysed in three cold water samples collected at the inlet from the aqueduct network, at the exit from the autoclave, and at the most remote tap...
October 26, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29063446/extensive-colonization-with-carbapenemase-producing-microorganisms-in-romanian-burn-patients-infectious-consequences-from-the-colectiv-fire-disaster
#16
L E Pirii, A W Friedrich, J W A Rossen, W Vogels, G I J M Beerthuizen, M K Nieuwenhuis, A M D Kooistra-Smid, E Bathoorn
Health care of severe burn patients is highly specialized and may require international patient transfer. Burn patients have an increased risk of developing infections. Patients that have been hospitalized in countries where carbapenemase-producing microorganisms (CPMO) are endemic may develop infections that are difficult to treat. In addition, there is a risk on outbreaks with CPMOs in burn centers. This study underlines that burn patients may extensively be colonized with CPMOs, and it provides best practice recommendations regarding clinical microbiology and infection control...
October 23, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29058098/osteomyelitis-of-the-lower-extremity-pathophysiology-imaging-and-classification-with-an-emphasis-on-diabetic-foot-infection
#17
Jacob C Mandell, Bharti Khurana, Jeremy T Smith, Gregory J Czuczman, Varand Ghazikhanian, Stacy E Smith
Osteomyelitis is inflammation of the bone caused by an infectious organism, and is a difficult clinical problem. The pathophysiology, imaging, and classification of osteomyelitis are challenging, varying with the age of the patient (child versus adult), the chronicity of the infection (acute versus chronic), and the route of spread (hematogenous versus contiguous focus), as well as the immune and vascular status of the patient and affected region. The two most common classification schemes are those of Lew and Waldvogel, and Cierny and Mader...
October 20, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/29055284/multiple-sampling-and-saf-fixative-triple-faeces-testing-for-dysbiosis-and-pathogenic-infections-of-the-gastrointestinal-tract-case-report
#18
Johanna Mauss, Michelle Retz, Roger Dilts, Jeffrey Langland
The classic presentation of acute gastrointestinal (GI) parasitic infection including fever, diarrhea, nausea, and/or abdominal pain is not always a reliable measure. In these cases, parasitic infections require sensitive stool testing to be identified and treated effectively. The standard practice for stool analysis typically requires 3 separate stool specimens to be collected on 3 separate days to overcome the possibility of misdiagnosis due to intermittent shedding. Nonetheless, this practice is not often utilized due to very short periods of sample viability, which often leads to patient misdiagnosis...
October 21, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29053823/effect-of-maternally-derived-antibody-on-sequential-infection-with-highly-virulent-bursal-disease-virus-in-newly-hatched-broilers
#19
W J Jeon, H J Lee, I S Roh, Y S Yoon, J H Kim, K S Choi
Maternally derived antibodies (MDAs) are important for protection against very virulent infectious bursal disease virus (vvIBDV). In this study, 5-day-old commercial broilers with non-uniform MDA titers (with a coefficient of variation of 50%) were challenged with vvIBDV and given free contact with each other during a 2-week period. The chicks were assigned to four MDA-titer subgroups, GI-1 (very low MDA), GI-2 (low MDA), GI-3 (medium MDA), and GI-4 (high MDA). Transient symptoms of infection were observed in 35...
October 5, 2017: Poultry Science
https://www.readbyqxmd.com/read/29051750/epidemiology-of-extended-spectrum-%C3%AE-lactamase-producing-e-coli-and-vancomycin-resistant-enterococci-in-the-northern-dutch-german-cross-border-region
#20
Xuewei Zhou, Silvia García-Cobos, Gijs J H M Ruijs, Greetje A Kampinga, Jan P Arends, Dirk M Borst, Lieke V Möller, Nicole D Holman, Theo A Schuurs, Lesla E Bruijnesteijn van Coppenraet, Jan F Weel, Jan H van Zeijl, Robin Köck, John W A Rossen, Alexander W Friedrich
Objectives: To reveal the prevalence and epidemiology of extended-spectrum β-lactamase (ESBL)- and/or plasmid AmpC (pAmpC)- and carbapenemase (CP) producing Enterobacteriaceae and vancomycin-resistant enterococci (VRE) across the Northern Dutch-German border region. Methods: A point-prevalence study on ESBL/pAmpC/CP producing Enterobacteriaceae and VRE was carried out in hospitalized patients in the Northern Netherlands (n = 445, 2012-2013) and Germany (n = 242, 2012). Healthy individuals from the Dutch community (n = 400, 2010-2012) were also screened...
2017: Frontiers in Microbiology
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