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https://www.readbyqxmd.com/read/28098394/use-of-asian-samples-in-genetic-research-of-alcohol-use-disorders-genetic-variation-of-alcohol-metabolizing-enzymes-and-the-effects-of-acetaldehyde
#1
Sachio Matsushita, Susumu Higuchi
BACKGROUND AND OBJECTIVES: Epidemiological studies consistently find that Asian populations report lower rates of alcohol use disorders (AUD) compared with other racial groups. These differences result from a variety of biological, genetic, and environmental influences, some of which are related to the metabolism of alcohol. We will review several studies of these metabolic factors, including several alcohol clamping studies conducted in our laboratory, that provide further insight into the role of the alcohol metabolizing genes and drinking behavior among Japanese drinkers...
January 18, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28089650/neither-quantification-by-qpcr-nor-quantitative-elisa-can-be-used-to-discriminate-angus-cattle-for-resistance-susceptibility-to-babesia-bovis
#2
Rodrigo Giglioti, Henrique Nunes Oliveira, Adriana Mércia Guaratini Ibelli, Talita Barban Bilhassi, Thalita Athiê Néo, Clarissa Helena Santana, Márcio Dias Rabelo, Rosângela Zacarias Machado, Ana Carolina de Souza Chagas, Márcia Cristina de Sena Oliveira
With the aim of finding quantitative phenotypic traits that can be used to discriminate the levels of resistance/susceptibility to Babesia bovis, we estimated the repeatability and correlation between the level of infection, determined by the number of copies of a fragment of the gene that encodes cytochrome B (NC mt-cyB) of B. bovis, and the levels of the anti-B. bovis antibodies, in blood samples collected from 51 Angus cattle on two different occasions. Samples with the anticoagulant EDTA were used for DNA extraction and without anticoagulant for separation of the blood serum...
November 21, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28088792/impact-of-nudt15-polymorphisms-on-thiopurines-induced-myelotoxicity-and-thiopurines-tolerance-dose
#3
Dandan Yin, Xuyang Xia, Junlong Zhang, Shouyue Zhang, Fei Liao, Ge Zhang, Yan Zhang, Qianqian Hou, Xue Yang, Hong Wang, Zhigui Ma, Heyao Wang, Yiping Zhu, Wei Zhang, Yuelan Wang, Bo Liu, Lanlan Wang, Heng Xu, Yang Shu
Thiopurines are widely used as anticancer and immunosuppressive agents. However, life-threatening myelotoxicity has been noticed and largely explained by genetic variations, including NUDT15 polymorphisms (e.g., rs116855232). In this study, we conduct a meta-analysis to investigate the impact of rs116855232 on thiopurines-induced myelotoxicity susceptibility (1752 patients from 7 independent cohorts), as well as on thiopurines intolerance dose (2745 patients from 13 cohorts). Variant allele of rs116855232 contributes 7...
January 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28071854/serum-chemerin-is-associated-with-inflammatory-and-metabolic-parameters-results-of-a-population-based-study
#4
Stephanie Zylla, Maik Pietzner, Jens-Peter Kühn, Henry Völzke, Marcus Dörr, Matthias Nauck, Nele Friedrich
OBJECTIVE: This study aimed to confirm existing assumptions about the associations of circulating chemerin with inflammatory and metabolic parameters in a large population-based study. METHODS: Data of 3,986 subjects from the Study of Health in Pomerania were analyzed. Residual method was used to investigate the different associations of visceral (VAT) and subcutaneous adipose tissue (SAT) with serum chemerin levels. Multivariable regression models were applied to examine the association of chemerin with high-sensitivity C-reactive protein, fibrinogen, glucose, glycated hemoglobin, lipid profile, blood pressure, diabetes, dyslipidemia, and hypertension...
January 10, 2017: Obesity
https://www.readbyqxmd.com/read/28056071/species-specific-responses-of-juvenile-rockfish-to-elevated-pco2-from-behavior-to-genomics
#5
Scott L Hamilton, Cheryl A Logan, Hamilton W Fennie, Susan M Sogard, James P Barry, April D Makukhov, Lauren R Tobosa, Kirsten Boyer, Christopher F Lovera, Giacomo Bernardi
In the California Current ecosystem, global climate change is predicted to trigger large-scale changes in ocean chemistry within this century. Ocean acidification-which occurs when increased levels of atmospheric CO2 dissolve into the ocean-is one of the biggest potential threats to marine life. In a coastal upwelling system, we compared the effects of chronic exposure to low pH (elevated pCO2) at four treatment levels (i.e., pCO2 = ambient [500], moderate [750], high [1900], and extreme [2800 μatm]) on behavior, physiology, and patterns of gene expression in white muscle tissue of juvenile rockfish (genus Sebastes), integrating responses from the transcriptome to the whole organism level...
2017: PloS One
https://www.readbyqxmd.com/read/28052503/vulnerability-of-subarctic-and-arctic-breeding-birds
#6
Anouschka R Hof, Genoveva Rodríguez-Castañeda, Andrew M Allen, Roland Jansson, Christer Nilsson
Recent research predicts that future climate change will result in substantial biodiversity loss associated with loss of habitat for species. However, the magnitude of the anticipated biodiversity impacts are less well known. Studies of species vulnerability to climate change through species distribution models are often limited to assessing the extent of species' exposure to the consequences of climate change to their local environment, neglecting species sensitivity to global change. The likelihood that species or populations will decline or go extinct due to climate change also depends on the general sensitivity and adaptive capacity of species...
January 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28042038/exposure-to-food-cues-moderates-the-indirect-effect-of-reward-sensitivity-and-external-eating-via-implicit-eating-expectancies
#7
Aimee L Maxwell, Natalie J Loxton, Julie M Hennegan
Previous research has suggested that the expectancy "eating is rewarding" is one pathway driving the relationship between trait reward sensitivity and externally-driven eating. The aim of the current study was to extend previous research by examining the conditions under which the indirect effect of reward sensitivity and external eating via this eating expectancy occurs. Using a conditional indirect effects approach we tested the moderating effect of exposure to food cues (e.g., images) relative to non-food cues on the association between reward sensitivity and external eating, via eating expectancies...
December 29, 2016: Appetite
https://www.readbyqxmd.com/read/28041946/hyperactive-performance-monitoring-as-a-transdiagnostic-marker-results-from-health-anxiety-in-comparison-to-obsessive-compulsive-disorder
#8
Anja Riesel, Stefanie Goldhahn, Norbert Kathmann
Hyperactive error-related brain activity has been found in individuals with obsessive-compulsive disorder (OCD), generalized and social anxiety as well as depression and has been proposed as a transdiagnostic marker. The specific phenotype to which it is related is still debated and anxious apprehension, threat sensitivity and checking have been proposed as promising candidates. To validate the idea that hyperactive performance monitoring is shared by anxiety and anxiety-related disorders and to refine our knowledge about its specificity, data from further anxiety and anxiety-related disorders are required...
December 29, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/28040340/integrating-both-interaction-pathways-between-warming-and-pesticide-exposure-on-upper-thermal-tolerance-in-high-and-low-latitude-populations-of-an-aquatic-insect
#9
Lin Op de Beeck, Julie Verheyen, Robby Stoks
Global warming and chemical pollution are key anthropogenic stressors with the potential to interact. While warming can change the impact of pollutants and pollutants can change the sensitivity to warming, both interaction pathways have never been integrated in a single experiment. Therefore, we tested the effects of warming and multiple pesticide pulses (allowing accumulation) of chlorpyrifos on upper thermal tolerance (CTmax) and associated physiological traits related to aerobic/anaerobic energy production in the damselfly Ischnura elegans...
December 28, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/28035276/nitrogen-phosphorous-supply-ratio-and-allometry-in-five-alpine-plant-species
#10
Xi Luo, Susan J Mazer, Hui Guo, Nan Zhang, Jacob Weiner, Shuijin Hu
: In terrestrial ecosystems, atmospheric nitrogen (N) deposition has greatly increased N availability relative to other elements, particularly phosphorus (P). Alterations in the availability of N relative to P can affect plant growth rate and functional traits, as well as resource allocation to above- versus belowground biomass (MA and MB). Biomass allocation among individual plants is broadly size-dependent, and this can often be described as an allometric relationship between MA and MB, as represented by the equation MA=αMBβ, or log MA = logα + βlog MB...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28031714/temperament-personality-and-treatment-outcome-in-major-depression-a-6-month-preliminary-prospective-study
#11
Yuka Kudo, Atsuo Nakagawa, Taisei Wake, Natsumi Ishikawa, Chika Kurata, Mizuki Nakahara, Teruo Nojima, Masaru Mimura
BACKGROUND: Despite available treatments, major depression is a highly heterogeneous disorder, which leads to problems in classification and treatment specificity. Previous studies have reported that personality traits predict and influence the course and treatment response of depression. The Temperament and Personality Questionnaire (T&P) assesses eight major constructs of personality traits observed in those who develop depression. The aim of this study was to investigate the influence of T&P's eight constructs on the treatment outcome of depressed patients...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28018381/model-assisted-estimation-of-the-genetic-variability-in-physiological-parameters-related-to-tomato-fruit-growth-under-contrasted-water-conditions
#12
Dario Constantinescu, Mohamed-Mahmoud Memmah, Gilles Vercambre, Michel Génard, Valentina Baldazzi, Mathilde Causse, Elise Albert, Béatrice Brunel, Pierre Valsesia, Nadia Bertin
Drought stress is a major abiotic stress threatening plant and crop productivity. In case of fleshy fruits, understanding mechanisms governing water and carbon accumulations and identifying genes, QTLs and phenotypes, that will enable trade-offs between fruit growth and quality under Water Deficit (WD) condition is a crucial challenge for breeders and growers. In the present work, 117 recombinant inbred lines of a population of Solanum lycopersicum were phenotyped under control and WD conditions. Plant water status, fruit growth and composition were measured and data were used to calibrate a process-based model describing water and carbon fluxes in a growing fruit as a function of plant and environment...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28011717/hormonal-regulation-of-reproductive-growth-under-normal-and-heat-stress-conditions-in-legume-and-other-model-crop-species
#13
REVIEW
Jocelyn A Ozga, Harleen Kaur, Raghavendra P Savada, Dennis M Reinecke
Legume crops are grown throughout the world and provide an excellent food source of digestible protein and starch, as well as dietary fibre, vitamins, minerals, and flavonoids. Fruit and seeds from legumes are also an important source of vegetables for a well-balanced diet. A trend in elevated temperature as a result of climate change increases the risk of a heat stress-induced reduction in legume crop yield. High temperatures during the crop reproductive development phase are particularly detrimental to fruit/seed production because the growth and development of the reproductive tissues are sensitive to small changes in temperature...
December 23, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28006760/investigating-heritability-of-cadmium-tolerance-in-chironomus-riparius-natural-populations-a-physiological-approach
#14
João Pedrosa, Carlos Gravato, Diana Campos, Paulo Cardoso, Etelvina Figueira, Carsten Nowak, Amadeu M V M Soares, Carlos Barata, João L T Pestana
Physiological responses allow populations to cope with metal contamination and can be involved in the evolution of tolerance under historical metal contamination scenarios. Here we investigate physiological aspects that might be underlying the heritable high tolerance to cadmium (Cd) in two Chironomus riparius populations collected from historically metal contaminated sites in comparison to two populations from reference sites. To evaluate differences in the physiological response to short-term Cd exposure, protein expression profiles, metallothioneins [MTs] and several antioxidant defences such as total glutathione (GSHt), catalase (CAT) and glutathione-S-transferases [GSTs], were measured in all four populations reared for at least 8 generations under laboratory clean conditions...
December 5, 2016: Chemosphere
https://www.readbyqxmd.com/read/28000430/metabolites-distinguishing-visceral-fat-obesity-and-atherogenic-traits-in-individuals-with-overweight
#15
Seung Han Baek, Minkyung Kim, Minjoo Kim, Miso Kang, Hye Jin Yoo, Nan Hee Lee, Yong Hwan Kim, Min Song, Jong Ho Lee
OBJECTIVE: To screen the metabolomes of both overweight subjects with low visceral fat area (LFO) and high visceral fat area (HFO) to identify potential metabolites that are associated with the different metabolic characteristics. METHODS: The metabolic characteristics of 112 overweight (25 kg/m(2)  ≤ BMI < 30 kg/m(2) ) Korean individuals aged 30 to 65 years were examined. Plasma metabolomic profiling of HFO [visceral fat area (VFA) at L4 ≥ 100 cm(2) ] and LFO (L4 VFA <100 cm(2) ) individuals matched for age, gender, and BMI was performed...
December 21, 2016: Obesity
https://www.readbyqxmd.com/read/27991591/anode-potential-influences-the-structure-and-function-of-anodic-electrode-and-electrolyte-associated-microbiomes
#16
Paul G Dennis, Bernardino Virdis, Inka Vanwonterghem, Alif Hassan, Phil Hugenholtz, Gene W Tyson, Korneel Rabaey
Three bioelectrochemical systems were operated with set anode potentials of +300 mV, +550 mV and +800 mV vs. Standard Hydrogen Electrode (SHE) to test the hypothesis that anode potential influences microbial diversity and is positively associated with microbial biomass and activity. Bacterial and archaeal diversity was characterized using 16 S rRNA gene amplicon sequencing, and biofilm thickness was measured as a proxy for biomass. Current production and substrate utilization patterns were used as measures of microbial activity and the mid-point potentials of putative terminal oxidases were assessed using cyclic voltammetry...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27986078/monoplacophoran-mitochondrial-genomes-convergent-gene-arrangements-and-little-phylogenetic-signal
#17
I Stöger, K M Kocot, A J Poustka, N G Wilson, D Ivanov, K M Halanych, M Schrödl
BACKGROUND: Although recent studies have greatly advanced understanding of deep molluscan phylogeny, placement of some taxa remains uncertain as different datasets support competing class-relationships. Traditionally, morphologists have placed Monoplacophora, a group of morphologically simple, limpet-like molluscs as sister group to all other conchiferans (shelled molluscs other than Polyplacophora), a grouping that is supported by the latest large-scale phylogenomic study that includes Laevipilina...
December 16, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27982108/high-maltose-sensitivity-of-sweet-taste-receptors-in-the-japanese-macaque-macaca-fuscata
#18
Emiko Nishi, Kei Tsutsui, Hiroo Imai
Taste sensitivity differs among animal species depending on feeding habitat. To humans, sucrose is one of the sweetest natural sugars, and this trait is expected to be similar in other primates. However, previous behavioral tests have shown that some primate species have equal preferences for maltose and sucrose. Because sweet tastes are recognized when compounds bind to the sweet taste receptor Tas1R2/Tas1R3, we evaluated the responses of human and Japanese macaque Tas1R2/Tas1R3 to various natural sugars using a heterologous expression system...
December 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27973683/climatic-conditions-produce-contrasting-influences-on-demographic-traits-in-a-long-distance-arctic-migrant
#19
Ian R Cleasby, Thomas W Bodey, Freydis Vigfusdottir, Jenni L McDonald, Graham McElwaine, Kerry Mackie, Kendrew Colhoun, Stuart Bearhop
The manner in which patterns of variation and interactions among demographic rates contribute to population growth rate (λ) are key to understanding how animal populations will respond to changing climatic conditions. Migratory species are likely to be particularly sensitive to climatic conditions as they experience a range of different environments throughout their annual cycle. However, few studies have provided fully integrated demographic analyses of migratory populations in response to changing climatic conditions...
December 14, 2016: Journal of Animal Ecology
https://www.readbyqxmd.com/read/27968984/gene-expression-and-physiological-responses-associated-to-stomatal-functioning-in-rosa%C3%A3-hybrida-grown-at-high-relative-air-humidity
#20
Dália R A Carvalho, Marta W Vasconcelos, Sangseok Lee, Carole F S Koning-Boucoiran, Dick Vreugdenhil, Frans A Krens, Ep Heuvelink, Susana M P Carvalho
High relative air humidity (RH≥85%) during growth disturbs stomatal functioning, resulting in excessive water loss in conditions of high evaporative demand. We investigated the expression of nine abscisic acid (ABA)-related genes (involved in ABA biosynthesis, oxidation and conjugation) and two non-ABA related genes (involved in the water stress response) aiming to better understand the mechanisms underlying contrasting stomatal functioning in plants grown at high RH. Four rose genotypes with contrasting sensitivity to high RH (one sensitive, one tolerant and two intermediate) were grown at moderate (62±3%) or high (89±4%) RH...
December 2016: Plant Science: An International Journal of Experimental Plant Biology
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