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Keys Ashley L - - 2013
The recovery of low levels of Listeria monocytogenes from foods is complicated by the presence of competing microorganisms. Nonpathogenic species of Listeria pose a particular problem because variation in growth rate during the enrichment step can produce more colonies of these nontarget cells on selective and/or differential media, resulting in ...
Schlotz Nina - - 2013
Interactions between hosts and parasites can be substantially modulated by host nutrition. Polyunsaturated fatty acids (PUFAs) are essential dietary nutrients; they are indispensable as structural components of cell membranes and as precursors for eicosanoids, signalling molecules which act on reproduction and immunity. Here, we explored the potential of dietary PUFAs ...
Mehta Ridhi - - 2013
Bacteriocins produced by lactic acid bacteria are of keen interest to the food industry for their bio-preservative potential and antimicrobial properties. The increasing demand for high quality 'safe' foods which are not extensively processed has created a niche for natural food preservatives. The bacteriocins (produced by bacteria) derived their name ...
Carrique-Mas Juan J - - 2013
Vietnam has experienced unprecedented economic and social development in recent years, and the livestock sector is undergoing significant transformations. Although food animal production is still dominated by small-scale 'backyard' enterprises with mixed crop-livestock or livestock-aquatic systems, there is a trend towards more intensive and vertically integrated operations. Changes in animal ...
Ma Cong - - 2013
Abstract Vibrio parahaemolyticus infection has been considered the leading cause of bacterial illnesses mainly associated with seafood consumption in Guangdong province in China. In this study, epidemiological and etiological characteristics of 36 V. parahaemolyticus outbreaks that occurred from 2008 to 2010 in Guangdong province were analyzed; 284 strains involved were ...
Gorissen Lara L a Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Production , Ghent University , Proefhoevestraat 10, B-9090 , Melle , - - 2013
ABSTRACT Conjugated linoleic acid (CLA) and conjugated linolenic acid (CLNA) isomers are present in foods derived from ruminants as a result of the respective linoleic acid (LA) and α-linolenic acid (LNA) metabolism by ruminal microorganisms and in animals' tissues. CLA and CLNA have isomer-specific, health-promoting properties, including anti-carcinogenic, anti-atherogenic, anti-inflammatory, ...
Dhama K K Division of Pathology, Indian Veterinary Research Institute, Izatnagar, Bareilly (U.P.)-243122, - - 2013
The term food borne diseases or food-borne illnesses or more commonly food poisoning are used to denote gastrointestinal complications that occur following recent consumption of a particular food or drink. Millions of people suffer worldwide every year and the situation is quiet grave in developing nations creating social and economic ...
Daneshvar Alavi Hessam Edin - - 2013
This study investigated the dynamics of static biofilm formation (100% RH, 15 °C, 48-72 h) and desiccation survival (43% RH, 15 °C, 21 days) of Listeria monocytogenes, in dual species biofilms with the common spoilage bacteria, Pseudomonas fluorescens, Serratia proteamaculans and Shewanella baltica, on the surface of food grade stainless steel. The Gram-negative bacteria ...
Tryland M M Section for Arctic Veterinary Medicine, Department of Food Safety and Infection Biology, Norwegian School of Veterinary Science, Tromsø, - - 2013
Only a few countries worldwide hunt seals and whales commercially. In Norway, hooded and harp seals and minke whales are commercially harvested, and coastal seals (harbour and grey seals) are hunted as game. Marine mammal meat is sold to the public and thus included in general microbiological meat control regulations. ...
Norbury Grant - - 2013
Biotic invasions and habitat modification are two drivers of global change predicted to have detrimental impacts on the persistence of indigenous biota worldwide. Few studies have investigated how they operate synergistically to alter trophic interactions among indigenous and nonindigenous species in invaded ecosystems. We experimentally manipulated a suite of interacting ...
Denes Thomas T Department of Food Science, Cornell University, Ithaca, NY 14853, - - 2014
Bacterial foodborne pathogens can rapidly respond to changes in their environment, granting them the ability to survive under a broad range of conditions. In doing so, they undergo physiological alterations that can influence the efficacy of detection and interventions used in the food industry. As bacteriophage-based applications in food safety ...
González Isabel - - 2013
The number of emerging pathogenic species described within the genus Arcobacter has increased fastly during the last few years. In this work, a genus-specific PCR assay was developed for detection of the Arcobacter species most commonly associated with foods. The assay uses primers designed to amplify an 85 bp DNA ...
Momtaz Hassan - - 2013
Among all species of Listeria, Listeria monocytogenes (L. monocytogenes) is a major pathogenic microorganism of humans and animals and L. ivanovii is rarely pathogenic for humans. The objective of this study was to isolate and characterize Listeria species and to determine the frequencies of virulence genes in L. monocytogenes serotypes ...
Locke Sean A - - 2013
Recent studies of aquatic food webs show that parasite diversity is concentrated in nodes that likely favour transmission. Various aspects of parasite diversity have been observed to be correlated with the trophic level, size, diet breadth, and vulnerability to predation of hosts. However, no study has attempted to distinguish among ...
He Xuan - - 2013
The human gastrointestinal tract contains a highly complex ecosystem that harbors various microorganisms, which together create a unique environment within each individual. There is growing awareness that dietary habits are one of the essential factors contributing to the microbial diversity and community configuration that ultimately affects human health. From an ...
Kalichman Seth C - - 2013
Food insecurity is associated with HIV treatment non-adherence and poor health outcomes for people living with HIV/AIDS. Given the poor nutritional status common to people who drink alcohol, food insecurity may be particularly problematic for HIV positive individuals who drink alcohol. To examine food insecurity among HIV positive men and ...
Stecher Bärbel - - 2013
Antibiotic therapy predisposes the host to infections with human enteropathogens. In a recent study, Ng et al. (2013) demonstrate that antibiotic-mediated disruption of the microbial food web gives rise to free microbiota-liberated monosaccharides in the gut, which can promote growth of enteropathogenic bacteria.
Rossi Maddalena - - 2013
Many healthy phytochemicals occur in food in the form of esters, glyco-conjugates, or polymers which are not directly bioavailable. Probiotic lactobacilli and bifidobacteria, which have evolved within the colonic ecosystem where indigestible oligo- and polysaccharides are their sole carbon sources, bear several of glycosyl-hydrolases and can contribute to release the ...
Finn Sarah - - 2013
Salmonella can survive for extended periods of time in low-moisture environments posing a challenge for modern food production. This dangerous pathogen must be controlled throughout the production chain with a minimal risk of dissemination. Limited information is currently available describing the behavior and characteristics of this important zoonotic foodborne bacterium ...
Keesing Felicia - - 2013
In African savannas, large mammals, both wild and domestic, support an abundant and diverse population of tick ectoparasites. Because of the density of ticks and the many pathogens that they vector, cattle in East Africa are often treated with acaricides. While acaricides are known to be effective at reducing tick ...
Hertwig Stefan - - 2013
Bacteriophages are a promising tool to combat pathogenic bacteria along the food chain. In this review we give a comprehensive overview about studies that have been carried out to appraise the potential of phages to reduce the number of foodborne pathogens and spoilage bacteria in food products. The published data ...
Griese Stephanie E - - 2013
During an investigation of an outbreak of gastroenteritis caused by Salmonella enterica serovar Paratyphi B variant L(+) tartrate(+), we identified unpasteurized tempeh as a novel food vehicle and Rhizopus spp. starter culture as the source of the contamination. Safe handling of uncooked, unpasteurized tempeh should be emphasized for prevention of ...
Tan Seth Yang-En SY Singapore Centre on Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, Singapore 637551, Singapore; Singapore Centre on Environmental Life Sciences Engineering (SCELSE), Interdisciplinary Graduate School, Nanyang Technological University, Singapore 637551, - - 2014
Bacteria form surface-attached biofilm communities in nature. In contrast to free-living cells, bacterial cells within biofilms resist sanitizers and antimicrobials. While building biofilms, cells physiologically adapt to sustain the otherwise lethal impacts of a variety of environmental stress conditions. In this development, the production and embedding of cells in extracellular ...
Tomlins Andrew M - - 2013
Amino acid utilization is important for the growth of the erythrocytic stages of the human malaria parasite Plasmodium falciparum, however the molecular mechanism that permits survival of the parasite during conditions of limiting amino acid supply is poorly understood. We provide data here suggesting that an autophagy pathway functions in ...
Meisel Susann - - 2014
The development of fast and reliable sensing techniques to detect food-borne microorganisms is a permanent concern in food industry and health care. For this reason, Raman microspectroscopy was applied to rapidly detect pathogens in meat, which could be a promising supplement to currently established methods. In this context, a spectral ...
Adelman James S JS Department of Biological Sciences, Virginia Tech, Blacksburg, VA 24061, USA. - - 2013
Although ambient temperature has diverse effects on disease dynamics, few studies have examined how temperature alters pathogen transmission by changing host physiology or behaviour. Here, we test whether reducing ambient temperature alters host foraging, pathology and the potential for fomite transmission of the bacterial pathogen Mycoplasma gallisepticum (MG), which causes ...
Rossiter Wayne W Department of Biology, Waynesburg University, 51 W. College St., Waynesburg, PA 15320, United - - 2013
As the data have poured in, and the number of published food webs containing parasites has increased, questions have been raised as to why free-living species consistently outnumber parasites, even though most general reviews on the subject of host:parasite species richness suggest the contrary. Here, I describe this pattern as ...
Dussault Dominic - - 2013
The purpose of this research was to evaluate the application of commercially available essential oils (EOs) and oleoresins to control bacterial pathogens for ready to eat food. In this study, sixty seven commercial EOs, oleoresins (ORs) and pure compounds were used to evaluate in vitro their antimicrobial activity against six ...
McQuaid C Finn - - 2013
Food web structure of free-living species is an important determinant of parasite species richness. Downwardly asymmetric predator-prey interactions (where there are more prey than predator species) have been shown, both theoretically and empirically, to harbour more trophically transmitted parasite species than expected due to chance. Here, we demonstrate that this ...
Fu Zhongyu - - 2013
Listeria monocytogenes (L. monocytogenes), one of most problematic food-borne bacteria, is mainly transmitted through the food chain and may cause listeriosis. Therefore, the development of rapid and sensitive L. monocytogenes detection technique has become an urgent task. In this study, we proposed a method using hyperbranching rolling circle amplification (HRCA) ...
Gómez Andrés A American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, - - 2013
Parasites appropriate host resources to feed and/or to reproduce, and lower host fitness to varying degrees. As a consequence, they can negatively impact human and animal health, food production, economic trade, and biodiversity conservation. They can also be difficult to study and have historically been regarded as having little influence ...
Brown Helen L - - 2013
To develop a staining method for specific detection of metabolically active (viable) cells in biofilms of the food-borne pathogen Campylobacter jejuni. Conversion of 2,3,5 triphenyltetrazolium chloride (TTC) to insoluble, red 1,3,5-triphenylformazan (TPF) was dependent on metabolic activity of C. jejuni. When used with chicken juice, TTC staining allowed quantification of ...
Jackson Brendan R - - 2013
Salmonella enterica infections are transmitted not only by animal-derived foods but also by vegetables, fruits, and other plant products. To clarify links between Salmonella serotypes and specific foods, we examined the diversity and predominance of food commodities implicated in outbreaks of salmonellosis during 1998-2008. More than 80% of outbreaks caused ...
Jansen Jochem M - - 2013
JANSEN, J.M., J.G. Daams, M.W.J. Koeter, D.J. Veltman, W. van den Brink, and A.E. Goudriaan. Effects of non-invasive neurostimulation on craving: a meta-analysis NEUROSCI BIOBEHAV REV xx(x) XXX-XXX, 2013 - This meta-analysis was conducted to evaluate the available evidence regarding the effects of non-invasive neurostimulation of the dorsolateral prefrontal cortex ...
Stallforth Pierre P Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, - - 2013
Stable multipartite mutualistic associations require that all partners benefit. We show that a single mutational step is sufficient to turn a symbiotic bacterium from an inedible but host-beneficial secondary metabolite producer into a host food source. The bacteria's host is a "farmer" clone of the social amoeba Dictyostelium discoideum that ...
Andreadis Stefanos S - - 2013
Venturia canescens is a parthenogenetic koinobiont endoparasitoid of several pyralid moth larvae that are major pests of stored products. Low temperatures have been extensively used to control stored-product insects as an alternative method to the application of traditional pesticides. However, most studies have focused on the cold hardiness profile of ...
Narváez-Bravo Claudia - - 2013
This study determined Salmonella prevalence at different stages during the slaughtering in three beef slaughter plants (A, B and C) located in the western region of Venezuela (Zulia and Lara states). Each facility was visited three times at monthly intervals, from the months October through December of 2006. Samples were ...
Mielke Randall E - - 2013
Nanoscale titanium dioxide (TiO2) is increasingly used in consumer goods and entering waste streams, thereby exposing and potentially affecting environmental microbes. Protozoans could either directly uptake TiO2 from water and sediments or acquire TiO2 during bactivory of TiO2-encrusted bacteria. Here, the TiO2 exposure route to the ciliated protozoan Tetrahymena thermophila ...
Coda Rossana - - 2014
Cereal-based foods represent a very important source of biological as well as of cultural diversity, as testified by the wide range of derived fermented products. A trend that is increasingly attracting bakery industries as well as consumers is the use of non-conventional flours for the production of novel products, characterised ...
Sirocchi Veronica - - 2013
Abstract Biogenic amines (BAs) are considered as an important indicator of freshness and quality of food. In this work, a new active packaging (AP) system for meat that, incorporating essential oil of Rosmarinus officinalis at 4% (w/w), inhibits the increase of BAs and the bacteria involved into their production was ...
Crichton Georgina E - - 2013
Given the reported health benefits of a Mediterranean diet (MedDiet) and delay in cognitive decline, we aimed to determine the level of adherence to a MedDiet using an 11-point scale and examine relationships with cognitive function and psychological well-being. Cross-sectional analyses were undertaken on data from 1183 Australian adults, aged ...
Snyder Abigail B - - 2013
Antimicrobial peptides are produced across all domains of life. Among these diverse compounds, those produced by bacteria have been most successfully applied as agents of biocontrol in food and agriculture. Bacteriocins are ribosomally synthesized, proteinaceous compounds that inhibit the growth of closely related bacteria. Even within the subcategory of bacteriocins, ...
Farjana Thahsin - - 2013
The body size of mosquitoes can influence a number of bionomic factors, such as their blood-feeding ability, host attack rate, and fecundity. All of these traits are important determinants of their potential to transmit diseases. Among abiotic and biotic factors, high temperature and low nutrition in the developing stages of ...
Segovia Maikell M Universidad Central de Venezuela Instituto deMedicina Tropical, Caracas, - - 2013
Oral outbreaks of Chagas disease are increasingly reported in Latin America. The transitory presence of Trypanosoma cruzi parasites within contaminated foods, and the rapid consumption of those foods, precludes precise identification of outbreak origin. We report source attribution for 2 peri-urban oral outbreaks of Chagas disease in Venezuela via high ...
Walther Barbara B Research Station Agroscope Liebefeld-Posieux ALP, Bern, Switzerland. - - 2013
Vitamin K exists in the food supply as phylloquinone, a plant-based form and as menaquinones (MKs), a collection of isoprenologues mostly originating from bacterial synthesis. Although multiple bacterial species used as starter cultures for food fermentations synthesize MK, relatively little is known about the presence and distribution of MK in ...
Gould L Hannah LH Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, USA. - - 2013
Foodborne diseases cause an estimated 48 million illnesses each year in the United States, including 9.4 million caused by known pathogens. Foodborne disease outbreak surveillance provides valuable insights into the agents and foods that cause illness and the settings in which transmission occurs. CDC maintains a surveillance program for collection ...
Poulin Robert - - 2013
Parasites affect interactions among species in food webs and should be considered in any analysis of the structure, dynamics or resilience of trophic networks. However, the roles of individual parasite species, such as their importance as connectors within the network, and what factors determine these roles, are yet to be ...
Wong Marcus Ho Yin - - 2013
Non-typhoidal Salmonellae are among the principal bacterial pathogens implicated in food-borne gastroenteritis worldwide (1).…
Lambertz S Thisted - - 2013
Identification and prioritisation of food safety interventions requires an understanding of the relationship between food, pathogens and cases. Such understanding can be gained through different approaches, e.g. microbial subtyping to attribute cases of foodborne disease to food vehicles or other sources of illness. In this study, Listeria monocytogenes isolates (n=166) ...
Weisse Thomas - - 2013
We investigated the ecology and life strategy of Glaucomides bromelicola (family Bromeliophryidae), a very common ciliate in the reservoirs (tanks) of bromeliads, assessing its response to food quality and quantity and pH. Further, we conducted competition experiments with the frequently coexisting species Bromeliothrix metopoides (family Colpodidae). In contrast to B. ...
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