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Chambers Adam P AP Metabolic Diseases Institute, University of Cincinnati, 2170 E. Galbraith Road, Bldg E, 3rd Floor, ML 0503, Cincinnati, OH 45237, USA. - - 2013
Individual meals are products of a complex interaction of signals related to both short-term and long-term availability of energy stores. In addition to maintaining the metabolic demands of the individual in the short term, levels of energy intake must also maintain and defend body weight over longer periods. To accomplish ...
Matsuura Tetsuya - - 2013
In the nematode Caenorhabditis elegans, the odorant diacetyl is sensed by AWA sensory neurons in the amphid sensory organ and elicits an attractive response, whereas 2-nonanone is sensed by AWB amphid sensory neurons and elicits an avoidance response. In the present study, we report that nematodes exhibit a sensory interaction ...
Ladyman Sharon R SR Centre for Neuroendocrinology and Department of Anatomy; School of Medical Sciences; University of Otago; Dunedin, New - - 2013
The regulation of energy balance requires a complex system to homeostatically maintain the adult body at a precise set point. The central nervous system, particularly the hypothalamus, plays a key role in integrating a variety of signals that can relay information about the body's energy stores. As part of this ...
Yu Na - - 2013
Sulfakinins (SK) are multifunctional neuropeptides widely found in insects that are structurally and functionally homologous to the mammalian gastrin/cholecystokinin (CCK) neuropeptides. CCK is involved in various biological processes such as the feeding regulation where it induces satiety. In this project we characterized SK and SK receptor (SKR) of an important ...
Mietlicki-Baase Elizabeth G EG Translational Neuroscience Program, Department of Psychiatry, Perelman School of Medicine at University of Pennsylvania, Philadelphia, PA 19104, USA. - - 2013
The ability of amylin, a pancreatic β-cell-derived neuropeptide, to promote negative energy balance has been ascribed to neural activation at the area postrema. However, despite amylin binding throughout the brain, the possible role of amylin signaling at other nuclei in the control of food intake has been largely neglected. We ...
Uysal Handan - - 2013
Nowadays, food dyes obtained from herbal, animal, microbial and mineral sources are widely used as food additives. In this study, the toxic effects of three different natural food dyes (carmine, turmeric and annatto) on 72 ± 4 h larvae of Oregon-R wild type of Drosophila melanogaster were investigated. For this ...
Wasserman Sara - - 2013
Carbon dioxide (CO(2)) elicits an attractive host-seeking response from mosquitos yet is innately aversive to Drosophila melanogaster despite being a plentiful byproduct of attractive fermenting food sources. Prior studies used walking flies exclusively, yet adults track distant food sources on the wing. Here we show that a fly tethered within ...
Fedurek Pawel - - 2013
There is an ongoing debate about the adaptive function of chimpanzee's food-associated calls. Here, we tested a new hypothesis that food-associated calls in male chimpanzees function to signal that the calling individual is likely to initiate or prolong feeding. We propose that the signal functions to coordinate activities between individuals ...
Shaka A J - - 2013
We have investigated the effects of brief, non-specific deuteration of Drosophila melanogaster by including varying percentages of 2H (D) in the H2O used in the food mix consumed during initial development. Up to 22.5% D2O in H2O was administered, with the result that a low percentage of D2O in the ...
Pimentel Emilio - - 2013
Previous findings suggest that copper plays a crucial role in the antimutagenic effect of sodium copper chlorophyllin (SCC). The objective of the current research was to compare the antimutagenic effects of two SCC compounds with different amounts of copper (3.7% and 5.4%, respectively) on the genetic damage induced by gamma ...
Chhabra Ria - - 2013
The "organic food" market is the fastest growing food sector, yet it is unclear whether organically raised food is nutritionally superior to conventionally grown food and whether consuming organic food bestows health benefits. In order to evaluate potential health benefits of organic foods, we used the well-characterized fruit fly Drosophila ...
Grindon Adele J - - 2013
The origins of flora and fauna that are only found in Ireland and Iberia, but which are absent from intervening countries, is one of the enduring questions of biogeography. As Southern French, Iberian and Irish populations of the land snail Cepaea nemoralis sometimes have a similar shell character, we used ...
Ziegler Anna B - - 2013
Odors are key sensory signals for social communication and food search in animals including insects. Drosophila melanogaster, is a powerful neurogenetic model commonly used to reveal molecular and cellular mechanisms involved in odorant detection. Males use olfaction together with other sensory modalities to find their mates. Here, we review known ...
Sakaguchi Honami - - 2013
Drosophila melanogaster larvae excrete amylase and perform external digestion of their food. In this study, to investigate whether their external digestion ability varies in response to changes in the external environment, we measured the relative amount of amylase excreted by larvae using a new method: the iodine starch agar method ...
Neal Scott J - - 2013
Environmental conditions experienced during early larval stages dictate the developmental trajectory of the nematode C. elegans. Favorable conditions such as low population density, abundant food, and lower temperatures allow reproductive growth, while stressful conditions promote entry of second-stage (L2) larvae into the alternate dauer developmental stage. Population density is signaled ...
Artyukhin Alexander B - - 2013
Availability of food is often a limiting factor in nature. Periods of food abundance are followed by times of famine, often in unpredictable patterns. Reliable information about the environment is a critical ingredient of successful survival strategy. One way to improve accuracy is to integrate information communicated by other organisms. ...
Zaninovich Orel A - - 2013
For many animals, hunger promotes changes in the olfactory system in a manner that facilitates the search for appropriate food sources. In this video article, we describe an automated assay to measure the effect of hunger or satiety on olfactory dependent food search behavior in the adult fruit fly Drosophila ...
Veling Harm H Department of Psychology, Radboud University Nijmegen Nijmegen, - - 2013
The present study explores whether presenting specific palatable foods in close temporal proximity of stop signals in a go/no-go task decreases subsequent evaluations of such foods among participants with a relatively high appetite. Furthermore, we tested whether any decreased evaluations could mediate subsequent food choice. Participants first received a go/no-go ...
Menzies John R W JR Centre for Integrative Physiology, School of Biomedical Sciences, University of Edinburgh, Edinburgh EH8 9XD, UK. - - 2013
Almost all circulating gut peptides contribute to the control of food intake by signalling satiety. One important exception is ghrelin, the only orexigenic peptide hormone thus far described. Ghrelin secretion increases before meals and behavioural and electrophysiological evidence shows that ghrelin acts in the hypothalamus via homeostatic pathways to signal ...
Lee Wen-Chih WC Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, - - 2013
Diet can affect a spectrum of biological processes ranging from behavior to cellular metabolism. Yet, the precise role of an individual dietary constituent can be a difficult variable to isolate experimentally. A chemically defined food (CDF) permits the systematic evaluation of individual macro- and micronutrients. In addition, CDF facilitates the ...
Song Bo-Mi BM Department of Physiology and Biophysics , Virginia Commonwealth University , Richmond , United States ; Department of Molecular Biology , University of Texas Southwestern Medical Center , Dallas , United - - 2013
Familiarity discrimination has a significant impact on the pattern of food intake across species. However, the mechanism by which the recognition memory controls feeding is unclear. Here, we show that the nematode Caenorhabditis elegans forms a memory of particular foods after experience and displays behavioral plasticity, increasing the feeding response ...
Matarazzo Valéry - - 2012
Leptin is an adipocyte-derived hormone that controls energy balance by acting primarily in the CNS, but its action is lost in common forms of obesity due to central leptin resistance. One potential mechanism for such leptin resistance is an increased hypothalamic expression of Suppressor of cytokine signaling 3 (Socs3), a ...
Kayashima Yasunari - - 2012
Royal jelly (RJ), a honeybee-derived product, has been found to possess developmental and physiological bioactivity in the fruit fly, Drosophila melanogaster, but little is known about the in vivo bioactivity of freeze-dried RJ (FDRJ) powder, which is another form of RJ processed for human use. To address this, we used ...
Blouet Clemence - - 2012
Direct detection of circulating nutrients by the central nervous system has been implicated in the regulation of energy balance, and the mediobasal hypothalamus is considered as the primary sensing site mediating these effects. Neurons sensitive to energyrelated signals have also been identified outside the hypothalamus, particularly within the caudomedial nucleus ...
Rasoamanana Rojo - - 2012
This study focused on the fate of the satiating potency of dietary fibers when solubilized in a fat- containing medium. Fourteen percent of either guar gum (GG) or fructo-oligosaccharide (FOS) or a mixture of the 2 (GG-FOS, 5% GG and 9% FOS) were solubilized in water or an oil emulsion ...
Kim Jung-Hyun - - 2012
This study was done to identify dietary patterns and determine relationships between obesity and dietary patterns in Korean women. Using 3,742 cases of baseline data from the Korean Health and Genome Study, dietary patterns were identified using factor analysis of data from a validated food frequency questionnaire. Relationships between dietary ...
Veling Harm - - 2012
OBJECTIVE: Exposure to palatable foods in the environment can trigger impulsive reactions to obtain them, which may lead to unhealthy food choices and eating behaviour. Two studies tested the fundamental question whether impulsive unhealthy food choices can be altered by means of linking unhealthy palatable foods to behavioural stop signals. ...
Smith Gerard P - - 2012
This paper is an introduction to the papers by Hervey and Harris that describe their experimental use of parabiosis in rats and mice to search for circulating lipostatic signals. Beginning in 1959 with Hervey's foundational paper, they detected three parabiotic signals: the Hervey signal decreases food intake and fat mass ...
Davis J F - - 2012
Ghrelin is an orexigenic hormone that regulates homeostatic and reward-related feeding behavior. Recent evidence indicates that acylation of ghrelin by the gut enzyme ghrelin O-acyl transferase (GOAT) is necessary to render ghrelin maximally active within its target tissues. Here we tested the hypothesis that GOAT activity modulates food motivation and ...
Hong Seung-Hyun - - 2012
[This corrects the article on p. e1002857 in vol. 8.].
Franzke Alexandra - - 2012
In many animal species, male acoustic signals serve to attract a mate and therefore often play a major role for male mating success. Male body condition is likely to be correlated with male acoustic signal traits, which signal male quality and provide choosy females indirect benefits. Environmental factors such as ...
Alizadeh M - - 2012
Increasingly nutritional experts express the necessity of research on dietary patterns to identify numerous modifiable risk factors of disease. This study was conducted to identify major dietary patterns among adolescent girls in Talaat intelligent guidance school, Tabriz, Iran. Among 257 adolescent girls aged 11-15 years, usual dietary intakes were assessed ...
Thrailkill Eric A - - 2012
Four experiments examined relapse of extinguished observing behavior of pigeons using a two-component multiple schedule of observing-response procedures. In both components, unsignaled periods of variable-interval (VI) food reinforcement alternated with extinction and observing responses produced stimuli associated with the availability of the VI schedule (i.e., S+). The components differed in ...
Barba Francisco Jose - - 2012
In the present study, four high pressure (HP) treatments (100, 200, 300 and 400 MPa) during 9 minutes were evaluated to assess their effect on lipid fraction (fat soluble vitamins and fatty acid profile) of an orange juice-milk and a vegetables beverage. After HP treatment, non-significant changes in vitamin D2 ...
Söderberg Jeannette A E - - 2012
Regulation of meal size and assessing the nutritional value of food are two important aspects of feeding behavior. The mechanisms that regulate these two aspects have not been fully elucidated in Drosophila. Diminished signaling with insulin-like peptides Drosophila insulin-like peptides (DILPs) affects food intake in flies, but it is not ...
Huntzinger Mikaela - - 2011
Legacy effects occur when particular species or their interactions with others have long-lasting impacts, and they are increasingly recognized as important determinants of ecological processes. However, when such legacy effects have been explicitly explored, they most often involve the long-term direct effects of species on systems, as opposed to the ...
Sivakumar Kirthiram K - - 2011
The contamination, survival, and possible foodborne disease outbreaks are major issues confronting the food industry. However, from a microbial perspective, any food whether natural or processed is just another environmental niche that is available for colonization. Quorum sensing or cell-cell communication is a process by which microorganisms are thought to ...
Callewaert Lien - - 2011
Bacterial cell wall hydrolases (BCWHs) display a remarkable structural and functional diversity that offers perspectives for novel food applications, reaching beyond those of the archetype BCWH and established biopreservative hen egg white lysozyme. Insights in BCWHs from bacteriophages to animals have provided concepts for tailoring BCWHs to target specific pathogens ...
Wetzel Kaedra - - 2010
The consumption and use of edible flowers as food is growing; however, no study has been conducted to evaluate their role in the cause of food-borne illness or in food safety. Recent food-borne outbreaks traced to fresh herbs have raised concern about their processing and handling. Basil, one of the ...
Myhre Ronny - - 2011
Preterm delivery represents a substantial problem in perinatal medicine worldwide. Current knowledge on potential influences of probiotics in food on pregnancy complications caused by microbes is limited. We hypothesized that intake of food with probiotics might reduce pregnancy complications caused by pathogenic microorganisms and, through this, reduce the risk of ...
Ismail Bindhumol - - 2010
Exopolysaccharides (EPS) from lactic acid bacteria contribute to specific rheology and texture of fermented milk products and finds applications even in non-dairy foods and in therapeutics. Box-Behnken model of response surface methodology (RSM) was employed to formulate the production medium for exopolysaccharide (EPS). FT-IR spectral analysis of the purified EPS ...
Zhang Wen - - 2011
Recombinant Lactococcus lactis MG1363/pMG36e-lacZ exhibiting high β-galactosidase activities were constructed by us in the previous study. However, erythromycin resistance present in these recombinants restricted their practical application in food preparation. This study was conducted to delete the gene coding for erythromycin resistance present in recombinant L. lactis, as a result ...
Allgeyer L C - - 2010
The popularity of dairy products fortified with prebiotics and probiotics continues to increase as consumers desire flavorful foods that will fulfill their health needs. Our objectives were to assess the sensory profile of drinkable yogurts made with prebiotics and probiotics and to determine the viability of the probiotics in the ...
Sforza Stefano - - 2011
This tutorial review will address the issue of DNA determination in food by using Peptide Nucleic Acid (PNA) probes with different technological platforms, with a particular emphasis on the applications devoted to food authentication. After an introduction aimed at describing PNAs structure, binding properties and their use as genetic probes, ...
Su Liang - - 2011
A microbial biosensor is an analytical device which integrates microorganism(s) with a physical transducer to generate a measurable signal proportional to the concentration of analytes. In recent years, a large number of microbial biosensors have been developed for environmental, food, and biomedical applications. Starting with the discussion of various sensing ...
Bonnaud Marieange - - 2010
Lauric arginate (LAE) is a food-grade cationic surfactant that is a highly potent antimicrobial active against a wide range of food pathogens and spoilage organisms. In compositionally complex environments, the antimicrobial activity of cationic LAE is likely to be impacted by its interactions with other charged components. The purpose of ...
Rezaei Farzaneh - - 2010
Food-processing residues are good feedstocks for biofuel and biochemical production because they have high energy content and are abundant. Year-round biofuel and biochemical production requires proper storage to prevent microbial decomposition and thermal runaway. In this study, microbial activity of tomato pomace (TP), grape pomace (GP), fermented grape pomace (FGP) ...
Friedman Mendel - - 2010
Interest in chitosan, a biodegradable, nontoxic, non-antigenic, and biocompatible biopolymer isolated from shellfish, arises from the fact that chitosans are reported to exhibit numerous health-related beneficial effects, including strong antimicrobial and antioxidative activities in foods. The extraordinary interest in the chemistry and application in agriculture, horticulture, environmental science, industry, microbiology, ...
Szczepaniak S - - 2011
Food producers apply modern processing techniques and use a variety of preservative additives to guarantee safe food and a longer shelflife. Regrettably many of these impact the sensory characteristics of the foodstuffs, such as colour, texture, and flavour, which can result in low consumer acceptance. Additionally, strategies used to reduce ...
Danchin Antoine - - 2010
Luminescent bacteria and nematodes associate in a strategy where the bacteria act as virulent pathogens of insects, used as their food supply, while the nematodes graze on them. Upon reaching high density, the bacteria produce light and metabolites that turn the nematodes into hosts permitting them to be carried over ...
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