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Sebastien Breurec, Coralie Bouchiat, Jean-Marie Sire, Olivier Moquet, Raymond Bercion, Moussa Fafa Cisse, Philippe Glaser, Ousmane Ndiaye, Sidy Ka, Helene Salord, Abdoulaye Seck, Haby Signate Sy, Remy Michel, Benoit Garin
BACKGROUND: Neonatal infection constitutes one of Senegal's most important public health problems, with a mortality rate of 41 deaths per 1,000 live births. METHODS: Between January 2007 and March 2008, 242 neonates with suspected infection were recruited at three neonatal intensive care units in three major tertiary care centers in Dakar, the capital of Senegal. Neonatal infections were confirmed by positive bacterial blood or cerebrospinal fluid culture. The microbiological pattern of neonatal infections and the antibiotic susceptibility of the isolates were characterized...
October 20, 2016: BMC Infectious Diseases
Richard W Naylor, Rachel C Dodd, Alan J Davidson
The nephron is the functional unit of the kidney and is divided into distinct proximal and distal segments. The factors determining nephron segment size are not fully understood. In zebrafish, the embryonic kidney has long been thought to differentiate in situ into two proximal tubule segments and two distal tubule segments (distal early; DE, and distal late; DL) with little involvement of cell movement. Here, we overturn this notion by performing lineage-labelling experiments that reveal extensive caudal movement of the proximal and DE segments and a concomitant compaction of the DL segment as it fuses with the cloaca...
October 19, 2016: Scientific Reports
Yan Zhang, Stephanie E Simon, Jeff A Johnson, Michael S Allen
Gastrointestinal microbiota is increasingly recognized as an important component of individual health, and therefore, our ability to quantify its diversity accurately is central for exploring different ways to improve health. Non-invasive sampling methods, such as cloaca swabs, are often used to measure gastrointestinal microbiota diversity within an individual. However, few studies have addressed to what degree differences exist in microbial community composition along the gastrointestinal tract, and measures obtained from the cloaca may not actually represent the diversity present elsewhere in the gastrointestinal tract...
October 18, 2016: Microbial Ecology
Anatoliy Kubyshkin, Denis Chegodar, Andrew Katsev, Armen Petrosyan, Yuri Krivorutchenko, Olga Postnikova
BACKGROUND/PURPOSE: To investigate the effect of nanosilver particles in solution stabilized in a matrix of sodium alginate on the growth and development of pathogenic bacteria such as Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Proteus vulgaris, Enterobacter cloacae, the antibiotic-resistant strain of Pseudomonas aeruginosa, the yeast-like fungus Candida albicans, and the luminescent bacteria Photobacterium leiognathi Sh1. METHODS: Isolates of pathogenic bacteria obtained from bronchoalveolar and peritoneal lavage samples from Wistar rats with experimental pneumonia and peritonitis were tested for their susceptibility to silver nanoparticles in solution with an alginate stabilizer...
2016: Biochemistry & Molecular Biology Journal
John Osei Sekyere
A review of the literature was undertaken to delineate the current level and mechanisms of resistance to carbapenems, colistin, and tigecycline in South Africa. Thirty-two English publications and 32 National Institute of Communicable Diseases communiqués identified between early January 2000 and 20 May, 2016 showed substantial reports of NDM (n = 860), OXA-48 (n = 584), VIM (n = 131), and IMP (n = 45) carbapenemases within this period, mainly in Klebsiella pneumoniae (n = 1138), Acinetobacter baumannii (n = 332), Enterobacter cloacae (n = 201), and Serratia marcescens (n = 108)...
2016: Frontiers in Public Health
Didrik Hjertaker Grevskott, Cecilie Smith Svanevik, Astrid Louise Wester, Bjørn Tore Lunestad
Continuous European Union programmes with specified methods for enumeration of Escherichia coli in bivalves for human consumption are currently running. The objective of this research was to examine the species accuracy of the five times three tube Most Probable Number (MPN) EU reference method used for detection of E. coli in marine bivalves. Among 549 samples of bivalves harvested from Norwegian localities during 2014 and 2015, a total number of 200 bacterial isolates were prepared from randomly selected culture-positive bivalves...
October 13, 2016: Journal of Microbiological Methods
Tainã Rapp Py-Daniel, Anderson Kennedy Soares De-Lima, Fabiano Campos Lima, Aline Pic-Taylor, Osmindo Rodrigues Pires Junior, Antonio Sebben
The mouse, chicken, African clawed frog and zebrafish are considered "model organisms" due to their extensive embryological and genetic characterization. However they are far from representative of known diversity, impairing phylogenetic analyses of developmental patterns. Since squamates have historically received limited attention in developmental studies, we here describe the developmental sequence for Tropidurus torquatus, and provide the first post-ovipositional developmental series for the lizard family Tropiduridae...
October 14, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
V Ntuli, P M K Njage, E M Buys
The current study was undertaken to characterize Escherichia coli and other Enterobacteriaceae in raw and pasteurized producer-distributor bulk milk (PDBM). A total of 258 samples were collected from purchase points in 8 provinces in South Africa. The samples were tested for antibiotic residues, phosphatase, total aerobic bacteria, coliforms, and E. coli counts. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry was used for identification of isolates. Escherichia coli isolates were characterized for virulence factors, antimicrobial resistance, serotypes, and presumptive E...
October 5, 2016: Journal of Dairy Science
Yaroslav O Kamenev, Igor Y Dolmatov
The regeneration of the anterior portion of the body after fission was studied in the holothurian Cladolabes schmeltzii using electron microscopy methods. Following fission, the posterior portion of the digestive tube, cloaca, and respiratory trees remain in the posterior fragment of the body. The regeneration comprises five stages. In the first stage, connective-tissue thickening (an anlage of the aquapharyngeal bulb) occurs on the anterior end between the torn-off ends of the ambulacra. Most of the lost anterior organs developed in the second and third stages...
October 7, 2016: Microscopy Research and Technique
Catya Jimenez-Torres, Irmene Ortiz, Pablo San-Martin, R Idalia Hernandez-Herrera
The objective of this study was to evaluate the capacity of two bacterial strains isolated, cultivated, and purified from agricultural soils of Veracruz, Mexico, for biodegradation and mineralisation of malathion (diethyl 2-(dimethoxyphosphorothioyl) succinate) and α- and β-endosulfan (6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-6-9-methano-2,4,3-benzodioxathiepine-3-oxide). The isolated bacterial strains were identified using biochemical and morphological characterization and the analysis of their 16S rDNA gene, as Enterobacter cloacae strain PMM16 (E1) and E...
August 12, 2016: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
Medhin H Kifle, Mark D Laing
Laboratory, greenhouse, and field experiments were conducted at the University of KwaZulu-Natal, Pietermaritzburg, South Africa in the 2010/2011 and 2011∖2012 seasons to study the effects of eight strains of diazotrophic bacteria on the growth and yield of maize. Maize seeds were treated with Bacillus megaterium (V16), Pseudomonas sp. (StB5, A3, A6, and A61), Burkholderia ambifaria (V9), Enterobacter cloacae (L1) and Pantoea ananatis (LB5), aiming to stimulate plant growth, and maintain or increase yields while reducing the need for N fertilization...
2016: Frontiers in Plant Science
Joseph S Van Tuyl, Aubrey N Jones, Peter N Johnson
Postmarketing surveillance has associated meropenem with the development of hematologic abnormalities, including agranulocytosis, neutropenia, and leukopenia, but the exact incidence in children is unknown. The case describes a full-term, 26-day-old neonate admitted for a sepsis workup. She was found to have a blood culture positive for Enterobacter cloacae and suspected meningitis and was initiated on meropenem 40 mg/kg/dose intravenously every 8 hours. On day 14 of antibiotic treatment, the patient developed an isolated neutropenia with an absolute neutrophil count of 288 cells/mm(3)...
July 2016: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
Osama Ibrahim Almosallam, Ali Aseeri, Saud Al Shanafey
BACKGROUND: Colostomy is a common part of the management of high anorectal malformation (ARM) in the pediatric population. OBJECTIVE: To evaluate whether the type of colostomy (loop vs divided) has an impact on outcome in patients with ARM. DESIGN: A retrospective study. SETTING: King Faisal Specialist Hospital and Research Center, a tertiary care center. PATIENTS AND METHODS: All patients who were managed with colostomy for ARM and had definitive repair during the period of January 2000 to December 2014...
September 2016: Annals of Saudi Medicine
Alice Faure, Rebecca Cooksey, Aurore Bouty, Alan Woodward, John Hutson, Mike O'Brien, Yves Heloury
BACKGROUND: Effective bladder emptying by clean intermittent catheterization for children with severe bladder dysfunction is critical for renal preservation and social integration. Use of a continent catheterizable conduit (CCC) as urethral alternative procedure provides effective bladder drainage. However, it brings a substantive maintenance. METHODS: Retrospective review of the indications and long-term outcomes of 54 patients with a Mitrofanoff procedure in a single center over a 20-year period (1995-2015)...
September 23, 2016: Journal of Pediatric Surgery
L Gayani Tillekeratne, Dhammika Vidanagama, Rashmi Tippalagama, Rashmi Lewkebandara, Maria Joyce, Bradly P Nicholson, Ajith Nagahawatte, Champica K Bodinayake, Aruna Dharshan De Silva, Christopher W Woods
BACKGROUND: Extended-spectrum ß-lactamase-producing Enterobacteriaceae (ESBL-PE) are increasingly reported as pathogens in urinary tract infections (UTIs). However, in Sri Lanka, the clinical and molecular epidemiology of ESBL-PE implicated in UTIs has not been well described. MATERIALS AND METHODS: We conducted prospective, laboratory-based surveillance from October to December 2013 at a tertiary care hospital in southern Sri Lanka and enrolled patients ≥1 year of age with clinically relevant UTIs due to ESBL-PE...
September 2016: Infection & Chemotherapy
Shio-Shin Jean, Po-Ren Hsueh
OBJECTIVES: To investigate the antimicrobial resistance and assess the molecular characteristics of β-lactamases (ESBLs, AmpC β-lactamases and carbapenemases) among Enterobacteriaceae isolates that caused intra-abdominal infections (IAIs) in patients hospitalized in the Asia-Pacific region during 2008-14. METHODS: Multiplex PCR was used to detect the specific types of β-lactamase in 2893 isolates with MICs of ertapenem >0.5 mg/L. In-hospital acquisition times for most isolates were also delineated...
October 4, 2016: Journal of Antimicrobial Chemotherapy
Barbara Tóth, Erika Liktor-Busa, Edit Urbán, Attila Csorba, Gusztáv Jakab, Judit Hohmann, Andrea Vasas
The main objective of this project was to investigate the antibacterial activity of 19 species (Juncus acutus, J. alpinoarticulatus, J. articulatus, J. compressus, J. conglomeratus, J. effusus, J. filiformis, J. gerardii, J. inflexus, J. maritimus, J. monanthos, J. squarrosus, J. tenuis, J. trifidus, Luzula campestris, L. forsteri, L. luzuloides, L. sudetica and L. sylvatica) belonging to the family Juncaceae against methicillin-resistant S. aureus (MRSA), extended-spectrum β-lactamase (ESBL)-producing C. freundii, E...
October 1, 2016: Fitoterapia
Aurélie Jayol, Laurent Poirel, Laurent Dortet, Patrice Nordmann
From January 2014 to December 2014, 972 consecutive non-replicate carbapenemase-producing Enterobacteriaceae isolates from colonised or infected patients were collected at the Associated French National Reference Centre as part of the French national survey on antimicrobial resistance. It included 577 Klebsiella spp. (59%), 236 Escherichia coli (24%), 108 Enterobacter spp. (11%), 50 Citrobacter spp. (5%), and a single Salmonella spp. isolate (0.1%). Of 561 K. pneumoniae isolates, 35 were found to be resistant to colistin (6...
September 15, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Jay Kumar, Piyoosh K Babele, Divya Singh, Ashok Kumar
Among the different types of UV radiation, UV-B radiation (280-315 nm) has gained much attention mainly due to its increasing incidence on the Earth's surface leading to imbalances in natural ecosystems. This study deals with the effects of UV-B radiation on the proteome and gene expression in a rice phyllospheric bacterium, Enterobacter cloacae. Of the five bacteria isolated from rice leaves, E. cloacae showed the highest level of resistance to UV-B and total killing occurred after 8 h of continuous exposure to UV-B...
2016: Frontiers in Microbiology
Kevin Tyler, Alicia Patterson, Andre Hebra
No abstract text is available yet for this article.
September 2016: American Surgeon
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