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Antibiotic food

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https://www.readbyqxmd.com/read/29471479/seasonal-effects-and-the-impact-of-in-hive-pesticide-treatments-on-parasite-pathogens-and-health-of-honey-bees
#1
Brenna E Traver, Haley K Feazel-Orr, Katelyn M Catalfamo, Carlyle C Brewster, Richard D Fell
Honey bee, Apis mellifera (L.; Hymenoptera: Apidae), populations are in decline and their losses pose a serious threat for crop pollination and food production. The specific causes of these losses are believed to be multifactorial. Pesticides, parasites and pathogens, and nutritional deficiencies have been implicated in the losses due to their ability to exert energetic stress on bees. While our understanding of the role of these factors in honey bee colony losses has improved, there is still a lack of knowledge of how they impact the immune system of the honey bee...
February 17, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29469609/diversity-of-antibiotic-resistance-genes-and-encoding-ribosomal-protection-proteins-gene-in-livestock-waste-polluted-environment
#2
Chunyan Li, Cheng Jiang, Zhiyang Wu, Binglin Cheng, Xuejiao An, Hailan Wang, Yueling Sun, Mingyan Huang, Xi Chen, Jinming Wang
The rapid development and increase of antibiotic resistance are global phenomena resulting from the extensive use of antibiotics in human clinics and animal feeding operations. Antibiotics can promote the occurrence of antibiotic resistance genes (ARGs), which can be transferred horizontally to humans and animals through water and the food chain. In this study, the presence and abundance of ARGs in livestock waste was monitored by quantitative PCR. A diverse set of bacteria and tetracycline resistance genes encoding ribosomal protection proteins (RPPs) from three livestock farms and a river were analyzed through denaturing gradient gel electrophoresis (DGGE)...
February 22, 2018: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29464362/inhibitory-mechanism-on-combination-of-phytic-acid-with-methanolic-seed-extract-of-syzygium-cumini-and-sodium-chloride-over-bacillus-subtilis
#3
Alok Kumar Yadav, Preeti Sirohi, Saurabh Saraswat, Manjoo Rani, Manish Pratap Singh, Sameer Srivastava, Nand K Singh
The antibiotic resistance in bacteria responsible for causing community and health care-associated infection displayed a major threat to global health. Use of broad-spectrum antibiotics for the treatment of various ailments poses serious side effects. In the present research, we investigated the combined role of 2% phytic acid with 2% methanolic seed extract of Syzygium cumini and 0.5% sodium chloride for inhibition of Bacillus subtilis and Pseudomonas aeruginosa and found it to be efficient over B. subtilis...
February 20, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29463055/antibiotic-resistance-genetic-markers-and-integrons-in-white-soft-cheese-aspects-of-clinical-resistome-and-potentiality-of-horizontal-gene-transfer
#4
Ana Caroline L de Paula, Julliane D Medeiros, Analice C de Azevedo, Jéssica M de Assis Chagas, Vânia L da Silva, Cláudio G Diniz
Antibiotic resistance poses an important threat to global public health and has become a challenge to modern medicine. The occurrence of antibiotic-resistant bacteria in a broad range of foods has led to a growing concern about the impact that food may have as a reservoir of antibiotic resistance genes. Considering Minas Frescal Cheese (MFC)-a typical Brazilian white soft cheese-and its economic and cultural values, in this study, medically relevant antimicrobial-resistance genetic markers (AR genes) were screened, and the occurrence of integrons were evaluated in manufactured MFC using culture-independent approaches...
February 19, 2018: Genes
https://www.readbyqxmd.com/read/29461265/severe-acute-malnutrition
#5
Etienne Nel
PURPOSE OF REVIEW: Advances in our understanding of the treatment of severe acute malnutrition (SAM) in a resource-limited environment are needed to improve outcome. RECENT FINDINGS: Ready-to-use therapeutic foods (RUTFs) made from local products and with reduced milk content lower costs and may be effective in older children. None of the therapeutic foods used to treat severely malnourished children correct long chain polyunsaturated fatty acid deficiencies.Routine short-term antibiotic (amoxicillin) treatment, in the context of adequate healthcare supervision, does not improve the recovery rate...
February 15, 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29460444/association-of-fecal-calprotectin-concentrations-with-disease-severity-response-to-treatment-and-other-biomarkers-in-dogs-with-chronic-inflammatory-enteropathies
#6
Romy M Heilmann, Nora Berghoff, Joanne Mansell, Niels Grützner, Nolie K Parnell, Corinne Gurtner, Jan S Suchodolski, Jörg M Steiner
BACKGROUND: Calprotectin is a marker of inflammation, but its clinical utility in dogs with chronic inflammatory enteropathies (CIE) is unknown. OBJECTIVE: Evaluation of fecal calprotectin in dogs with biopsy-confirmed CIE. ANIMALS: 127 dogs. METHODS: Prospective case-control study. Dogs were assigned a canine chronic enteropathy clinical activity index (CCECAI) score, and histologic lesions severity was assessed. Fecal calprotectin, fecal S100A12, and serum C-reactive protein (CRP) were measured...
February 20, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29458851/combination-of-multilocus-sequence-typing-and-pulsed-field-gel-electrophoresis-reveals-an-association-of-molecular-clonality-with-the-emergence-of-extensive-drug-resistance-xdr-in-salmonella
#7
Yongzhong Cao, Yongxiu Shen, Lingling Cheng, Xiaorong Zhang, Chao Wang, Yan Wang, Xiaohui Zhou, Guoxiang Chao, Yantao Wu
Salmonellae is one of the most important foodborne pathogens and becomes resistant to multiple antibiotics, which represents a significant challenge to food industry and public health. However, a molecular signature that can be used to distinguish antimicrobial resistance profile, particularly multi-drug resistance or extensive-drug resistance (XDR). In the current study, 168 isolates from the chicken and pork production chains and ill chickens were characterized by serotyping, antimicrobial susceptibility test, multilocus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE)...
March 2018: Microbiological Research
https://www.readbyqxmd.com/read/29458580/preparation-characterization-and-antifungal-properties-of-chitosan-silver-nanoparticles-synergize-fungicide-against-pyricularia-oryzae
#8
Dinh Chuong Pham, Thi Hiep Nguyen, Uyen Thi Phan Ngoc, Ngoc Thuy Trang Le, Tuong Vi Tran, Dai Hai Nguyen
Rice (Oryza sativa L.) is one of the major staple food crops of nearly two-third of the world's population. However, rice blast caused by fungus Pyricularia oryzae is generally considered the most serious disease of cultivated rice worldwide due to its extensive distribution and destructiveness under favourable climatic conditions. In this report, the combination between chitosan (CS) and silver (Ag), Ag@CS, was introduced for antifungal activity against Pyricularia oryzae extracted from blast-infected leaves...
August 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29458535/isolation-characterization-and-genomic-analysis-of-a-novel-lytic-bacteriophage-vb_ssos-isf002-infecting-shigella-sonnei-and-shigella-flexneri
#9
Khashayar Shahin, Majid Bouzari, Ran Wang
PURPOSE: Shigellosis is one of the most important food-borne and water-borne diseases worldwide. Although antibiotics are considered as efficient agents for shigellosis treatment, improper use of these has led to the emergence of antibiotic-resistant Shigella spp. Therefore, finding a new strategy as alternative treatment seems necessary. METHODOLOGY: Different samples from a wastewater treatment plant were used to isolate Shigella spp. specific phages. Physiological properties were determined, and genomic analysis was also carried out...
January 30, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29457919/enterobacteriaceae-antibiotic-resistance-in-ready-to-eat-foods-collected-from-hospital-and-community-canteens-analysis-of-prevalence
#10
Sara Vincenti, Matteo Raponi, Romina Sezzatini, Gabriele Giubbini, Patrizia Laurenti
Foodborne diseases and antibiotic resistance are serious widespread health problems in the contemporary world. In this study, we compared the microbiological quality of ready-to-eat (RTE) foods found in community canteens versus hospital canteens in Rome, Italy, focusing on detection and quantification of Enterobacteriaceae and the antibiotic resistance of these bacteria. Our findings show a remarkable difference in Enterobacteriaceae contamination between RTE foods distributed in community canteens (33.5% of samples) and those distributed in hospital canteens (5...
February 19, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29454879/application-of-genetically-encoded-redox-biosensors-to-measure-dynamic-changes-in-the-glutathione-bacillithiol-and-mycothiol-redox-potentials-in-pathogenic-bacteria
#11
REVIEW
Quach Ngoc Tung, Nico Linzner, Vu Van Loi, Haike Antelmann
Gram-negative bacteria utilize glutathione (GSH) as their major LMW thiol. However, most Gram-positive bacteria do not encode enzymes for GSH biosynthesis and produce instead alternative LMW thiols, such as bacillithiol (BSH) and mycothiol (MSH). BSH is utilized by Firmicutes and MSH is the major LMW thiol of Actinomycetes. LMW thiols are required to maintain the reduced state of the cytoplasm, but are also involved in virulence mechanisms in human pathogens, such as Staphylococcus aureus, Mycobacterium tuberculosis, Streptococcus pneumoniae, Salmonella enterica subsp...
February 15, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29453178/seasonal-dynamics-of-tetracycline-resistance-gene-transport-in-the-sumas-river-agricultural-watershed-of-british-columbia-canada
#12
Patricia L Keen, Charles W Knapp, Kenneth J Hall, David W Graham
Environmental transport of contaminants that can influence the development of antibiotic resistance in bacteria is an important concern in the management of ecological and human health risks. Agricultural regions are locales where practices linked to food crop and livestock production can introduce contaminants that could alter the selective pressures for the development of antibiotic resistance in microbiota. This is important in regions where the use of animal manure or municipal biosolids as waste and/or fertilizer could influence selection for antibiotic resistance in pathogenic bacterial species...
February 13, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29451115/understanding-the-complexities-of-food-safety-using-a-one-health-approach
#13
Kalmia E Kniel, Deepak Kumar, Siddhartha Thakur
The philosophy of One Health is growing in concept and clarity. The interdependence of human, animal, and environmental health is the basis for the concept of One Health. One Health is a comprehensive approach to ensure the health of people, animals, and the environment through collaborative efforts. Preharvest food safety issues align with the grand concept of One Health. Imagine any food production system, and immediately, parallel images from One Health emerge: for example, transmission of zoonotic diseases, antibiotic residues, or resistance genes in the environment; environmental and animal host reservoirs of disease; challenges with rearing animals and growing fresh produce on the same farm; application and transport of manure or diseased animals...
February 2018: Microbiology Spectrum
https://www.readbyqxmd.com/read/29449781/whole-genome-sequencing-of-multidrug-resistant-salmonella-enterica-serovar-typhimurium-isolated-from-humans-and-poultry-in-burkina-faso
#14
Assèta Kagambèga, Taru Lienemann, Jonathan G Frye, Nicolas Barro, Kaisa Haukka
Background: Multidrug-resistant Salmonella is an important cause of morbidity and mortality in developing countries. The aim of this study was to characterize and compare multidrug-resistant Salmonella enterica serovar Typhimurium isolates from patients and poultry feces. Methods: Salmonella strains were isolated from poultry and patients using standard bacteriological methods described in previous studies. The strains were serotype according to Kaufmann-White scheme and tested for antibiotic susceptibility to 12 different antimicrobial agents using the disk diffusion method...
2018: Tropical Medicine and Health
https://www.readbyqxmd.com/read/29448094/the-prevalence-and-antimicrobial-resistance-of-listeria-spp-in-raw-milk-and-traditional-dairy-products-delivered-in-yazd-central-iran-2016
#15
Fateme Akrami-Mohajeri, Zahra Derakhshan, Margherita Ferrantee, Negar Hamidiyan, Meysam Soleymani, Gea Oliveri Conti
Listeria monocytogenes is an important foodborne pathogen which its data in Iranian dairy products is limited. A total of 545 samples of traditional dairy products (raw milk, traditional cheese, traditional butter, traditional curd, and traditional ice cream) were collected from traditional dairy shops located in Yazd, Iran. L. monocytogenes was isolated, and positive samples were confirmed by polymerase chain reaction. Antibiotic sensitivity test was conducted to determine the antibiotic resistance. Listeria species were isolated from 11...
February 12, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29446765/gut-microbiota-based-therapies-for-irritable-bowel-syndrome
#16
Emily K Stern, Darren M Brenner
Irritable bowel syndrome (IBS) is a common, heterogeneous disorder characterized by abdominal pain associated with changes in bowel habits. The pathogenesis of IBS is multifactorial and may relate to alterations in the gut microbiota, changes in visceral sensation and motility, and genetic and environmental factors. Administration of systemic antibiotics may increase the risk of IBS by altering gastrointestinal homeostasis. Therapeutic interventions for IBS with diarrhea that are thought to target alterations in the gut microbiota include the nonsystemic antibiotic rifaximin, the medical food serum-derived bovine immunoglobulin, prebiotics, probiotics, and dietary modification...
February 15, 2018: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/29444134/effect-of-antibiotic-withdrawal-in-feed-on-chicken-gut-microbial-dynamics-immunity-growth-performance-and-prevalence-of-foodborne-pathogens
#17
Sanjay Kumar, Chongxiao Chen, Nagaraju Indugu, Gabriela Orosco Werlang, Manpreet Singh, Woo Kyun Kim, Harshavardhan Thippareddi
Development of antibiotic resistance in foodborne pathogens, Salmonella spp. and Campylobacter, is a public health concern. Public demand to reduce the use of sub-therapeutic antibiotic growth promoters (AGP) in poultry feeding has resulted in greater adoption of antibiotic-free poultry production systems. There is a need to understand the effects of AGP removal from poultry feed on gut microbiota and its impact on prevalence of foodborne pathogens. The effect of antibiotic withdrawal from poultry feed on gut microbial community, host performance and immunity, and prevalence of Salmonella and Campylobacter was evaluated...
2018: PloS One
https://www.readbyqxmd.com/read/29439722/tomatidine-and-analog-fc04-100-possess-bactericidal-activities-against-listeria-bacillus-and-staphylococcus-spp
#18
Isabelle Guay, Simon Boulanger, Charles Isabelle, Eric Brouillette, Félix Chagnon, Kamal Bouarab, Eric Marsault, François Malouin
BACKGROUND: Tomatidine (TO) is a plant steroidal alkaloid that possesses an antibacterial activity against the small colony variants (SCVs) of Staphylococcus aureus. We report here the spectrum of activity of TO against other species of the Bacillales and the improved antibacterial activity of a chemically-modified TO derivative (FC04-100) against Listeria monocytogenes and antibiotic multi-resistant S. aureus (MRSA), two notoriously difficult-to-kill microorganisms. METHODS: Bacillus and Listeria SCVs were isolated using a gentamicin selection pressure...
February 13, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29438718/safety-potential-biotechnological-and-probiotic-properties-of-bacteriocinogenic-enterococcus-lactis-strains-isolated-from-raw-shrimps
#19
Olfa Ben Braïek, Stefano Morandi, Paola Cremonesi, Slim Smaoui, Khaled Hani, Taoufik Ghrairi
The aims of this study are to isolate new bacteriocinogenic lactic acid bacterial strains from white (Penaeus vannamei) and pink (Palaemon serratus) raw shrimps and evaluate their technological and probiotic potentialities. Seven strains were selected, among fifty active isolates, as producing interesting antimicrobial activity. Identified as Enterococcus lactis, these isolates were able to produce enterocins A, B and/or P. The safety aspect, assessed by microbiological and molecular tests, demonstrated that the strains were susceptible to relevant antibiotics such as vancomycin, negative for haemolysin and gelatinase activities, and did not harbour virulence and antibiotic resistance genes...
February 10, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29434295/vaccination-against-lawsonia-intracellularis-decreases-shedding-of-salmonella-enterica-serovar-typhimurium-in-co-infected-pigs-and-alters-the-gut-microbiome
#20
Fernando L L Leite, Randall S Singer, Tonya Ward, Connie J Gebhart, Richard E Isaacson
Salmonella enterica serovar Typhimurium continues to be a major cause of foodborne illness worldwide and pork can serve as a source of infection. Co-infection of S. enterica with Lawsonia intracellularis, a common intestinal pathogen of swine, has been found as risk factor for increased S. enterica shedding. The objective of this study was to investigate if vaccination against L. intracellularis could lead to decreased S. Typhimurium shedding. To test this hypothesis, pigs were challenged with either S. Typhimurium or S...
February 12, 2018: Scientific Reports
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