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https://www.readbyqxmd.com/read/29149730/divergence-of-insulin-superfamily-ligands-receptors-and-igf-binding-proteins-in-marine-versus-freshwater-stickleback-evidence-of-selection-in-known-and-novel-genes
#1
Tim Pellissier, Hend Al Nafea, Sara V Good
Three-spine stickleback (Gasterosteus aculeatus) is a teleost model for understanding genetic, physiological and morphological changes accompanying freshwater (FW) adaptation. There is growing evidence that the insulin superfamily plays important roles in traits involved in marine and FW adaptation. We performed a candidate gene analysis to look for evidence of selection on 33 insulin superfamily ligand-receptor genes and insulin-like growth factor binding proteins (Igfbp's) in stickleback. Using genotype data from 11 marine and 10 FW populations, we calculated the number of SNPs per site in regulatory and intronic regions, the number of synonymous and nonsynonymous mutations in coding regions, Wright's fixation index (Fst), and performed t-tests to identify SNPs with divergent genotype frequencies between marine/FW versus Atlantic/Pacific populations...
November 10, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/29149652/estimation-of-stature-from-hand-and-handprint-measurements-in-iban-population-in-sarawak-malaysia-and-its-applications-in-forensic-investigation
#2
Nuranis-Raihan Zulkifly, Roswanira Abd Wahab, Elizabeth Layang, Dzulkiflee Ismail, Wan Nur Syuhaila Mat Desa, Salina Hisham, Naji A Mahat
Handprints and dismembered hands are commonly found during crime scene investigations and disaster victim identifications, respectively. It has been indicated that the accuracy of handprint and hand measurements for estimating stature maybe population specific. Since Iban is the largest ethnic population in Sarawak, Malaysia and because the application of anthropometry of hand and handprint within this population as well as other populations within the Southeast Asian countries remain unreported, this present study that investigated the reliability and accuracy of these two anthropometric aspects acquires forensic significance...
October 31, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29149626/crossbred-young-bulls-and-heifers-sired-by-double-muscled-piemontese-or-belgian-blue-bulls-exhibit-different-effects-of-sexual-dimorphism-on-fattening-performance-and-muscularity-but-not-on-meat-quality-traits
#3
Giovanni Bittante, Alessio Cecchinato, Franco Tagliapietra, Rina Verdiglione, Alberto Simonetto, Stefano Schiavon
As double-muscled Belgian Blue (BB) and Piemontese (PIEM) breeds are heavily selected for different objectives (the former mainly for muscularity, the latter for ease of calving), the aim of this study was to compare sexual dimorphism in 56 crossbred young bulls and heifers obtained from dairy cows mated to bulls of the two beef breeds. Young PIEM- and BB-sired bulls had similar fattening performances and beef traits, although the BB crossbreds were slightly more muscular. Otherwise, the BB-sired heifers exceeded the PIEM-sired heifers in growth rate (1...
November 4, 2017: Meat Science
https://www.readbyqxmd.com/read/29149625/the-effects-of-pre-and-post-slaughter-spray-application-with-organic-acids-on-microbial-population-reductions-on-beef-carcasses
#4
Hoa Van Ba, Hyun-Woo Seo, Seong Pil-Nam, Yoon-Seok Kim, Beom Young Park, Sung-Sil Moon, Se-Ju Kang, Yong-Min Choi, Jin-Hyoung Kim
As an attempt to control bacterial cross-contamination of beef carcasses, in the present investigation acetic acid and lactic acid (3% v/v) were used for bacterial decontamination. For the decontamination, cows were sprayed with each above acid at two different stages; (i) on live animal's hides, (ii) on carcass surfaces immediately after slaughter. Microbiological samples were taken on different hide areas of animals before spraying and on carcass surfaces at 24h after spraying. Meat quality traits were also analyzed on the sprayed animals...
November 6, 2017: Meat Science
https://www.readbyqxmd.com/read/29149545/mechanical-properties-in-metal-organic-frameworks-emerging-opportunities-and-challenges-for-device-functionality-and-technological-applications
#5
REVIEW
Nicholas C Burtch, Jurn Heinen, Thomas D Bennett, David Dubbeldam, Mark D Allendorf
Some of the most remarkable recent developments in metal-organic framework (MOF) performance properties can only be rationalized by the mechanical properties endowed by their hybrid inorganic-organic nanoporous structures. While these characteristics create intriguing application prospects, the same attributes also present challenges that will need to be overcome to enable the integration of MOFs with technologies where these promising traits can be exploited. In this review, emerging opportunities and challenges are identified for MOF-enabled device functionality and technological applications that arise from their fascinating mechanical properties...
November 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29149455/positive-effect-on-patient-experience-of-video-information-given-prior-to-cardiovascular-magnetic-resonance-imaging-a-clinical-trial
#6
Britt-Marie Ahlander, Jan Engvall, Eva Maret, Elisabeth Ericsson
AIMS: To evaluate the effect of video information given before cardiovascular magnetic resonance imaging on patient anxiety and to compare patient experiences of cardiovascular magnetic resonance imaging versus myocardial perfusion scintigraphy. To evaluate if additional information has an impact on motion artefacts. BACKGROUND: Cardiovascular magnetic resonance imaging and myocardial perfusion scintigraphy are technically advanced methods for the evaluation of heart diseases...
November 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29149422/interrelationships-among-hydrogen-permeation-physiochemical-properties-and-early-adsorption-abilities-of-titanium
#7
Fang Jia, Lei Zhou, Wangxi Wu
This study aimed to investigate if the titanium samples with low hydrogen permeation which treated with a novel etching combination: phosphoric acid and sodium fluoride could influence the surface physiochemical properties and early adsorption ability. Titanium samples were treated with three different concentrations of the new formula, as groups A, B and C, and treated with the traditional etching formula, as group T. Zeta potential, contact angle, X-ray photoelectron spectroscopy (XPS) and fibronectin (FN)/vitronectin (VN) adsorption of Sprague-Dawley (SD) rat tibial osteotomies in the initial 30min and MG-63 adsorption in the initial 24 h were detected...
November 17, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29149417/spl13-regulates-shoot-branching-and-flowering-time-in-medicago-sativa
#8
Ruimin Gao, Margaret Y Gruber, Lisa Amyot, Abdelali Hannoufa
Our results show SPL13 plays a crucial role in regulating vegetative and reproductive development in Medicago sativa L. (alfalfa), and that MYB112 is targeted and downregulated by SPL13 in alfalfa. We previously showed that transgenic Medicago sativa (alfalfa) plants overexpressing microRNA156 (miR156) show a bushy phenotype, reduced internodal length, delayed flowering time, and enhanced biomass yield. In alfalfa, transcripts of seven SQUAMOSA-PROMOTER BINDING PROTEIN-LIKE (SPL) transcription factors, including SPL13, are targeted for cleavage by miR156...
November 17, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/29149326/virtually-in-the-heat-of-the-moment-insula-activation-in-safe-sex-negotiation-among-risky-men
#9
Benjamin J Smith, Feng Xue, Vita Droutman, Emily Barkley-Levenson, A James Melrose, Lynn C Miller, John R Monterosso, Antoine Bechara, Paul Robert Appleby, John L Christensen, Carlos G Godoy, Stephen J Read
HIV is most prevalent among men who have sex with men (MSM), and although most MSM use condoms consistently during casual sex, some take risks. To better understand the psychology of those risky decisions, we examined neural correlates of playing a virtual sexual "hook up" game in an fMRI scanner in MSM who had, in the past 90 days, been sexually risky (N = 76) or safe (N = 31). We found that during potentially risky sexual choices, previously risky MSM had more right insula activity than previously safe MSM...
November 15, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/29149290/discovering-the-3-utr-mediated-regulation-of-alpha-synuclein
#10
Domenica Marchese, Teresa Botta-Orfila, Davide Cirillo, Juan Antonio Rodriguez, Carmen Maria Livi, Rubén Fernández-Santiago, Mario Ezquerra, Maria J Martí, Elias Bechara, Gian Gaetano Tartaglia
Recent evidence indicates a link between Parkinson's Disease (PD) and the expression of a-synuclein (SNCA) isoforms with different 3' untranslated regions (3'UTRs). Yet, the post-transcriptional mechanisms regulating SNCA expression are unknown. Using a large-scale in vitro/in silico screening we identified RNA-binding proteins (RBPs) that interact with SNCA 3' UTRs. We identified two RBPs, ELAVL1 and TIAR, that bind with high affinity to the most abundant and translationally active 3' UTR isoform (575 nt)...
November 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29149280/whole-genome-re-sequencing-of-two-italian-tomato-landraces-reveals-sequence-variations-in-genes-associated-with-stress-tolerance-fruit-quality-and-long-shelf-life-traits
#11
Valentina Tranchida-Lombardo, Riccardo Aiese Cigliano, Irantzu Anzar, Simone Landi, Samuela Palombieri, Chiara Colantuono, Hamed Bostan, Pasquale Termolino, Riccardo Aversano, Giorgia Batelli, Maria Cammareri, Domenico Carputo, Maria Luisa Chiusano, Clara Conicella, Federica Consiglio, Nunzio D'Agostino, Monica De Palma, Antonio Di Matteo, Silvana Grandillo, Walter Sanseverino, Marina Tucci, Stefania Grillo
Tomato is a high value crop and the primary model for fleshy fruit development and ripening. Breeding priorities include increased fruit quality, shelf life and tolerance to stresses. To contribute towards this goal, we re-sequenced the genomes of Corbarino (COR) and Lucariello (LUC) landraces, which both possess the traits of plant adaptation to water deficit, prolonged fruit shelf-life and good fruit quality. Through the newly developed pipeline Reconstructor, we generated the genome sequences of COR and LUC using datasets of 65...
November 14, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29149250/modeling-the-causal-role-of-dna-methylation-in-the-association-between-cigarette-smoking-and-inflammation-in-african-americans-a-2-step-epigenetic-mendelian-randomization-study
#12
Min A Jhun, Jennifer A Smith, Erin B Ware, Sharon L R Kardia, Thomas H Mosley, Stephen T Turner, Patricia A Peyser, Sung Kyun Park
The association between cigarette smoking and inflammation is well known. However, the biological mechanisms behind the association are not fully understood, particularly the role of DNA methylation, which is known to be affected by smoking. Using 2-step epigenetic Mendelian randomization, we investigated the role of DNA methylation in the association between cigarette smoking and inflammation. In 822 African Americans from the Genetic Epidemiology Network of Arteriopathy, phase 2 (Jackson, Mississippi; 2000-2005), study population, we examined the association of cigarette smoking with DNA methylation using single nucleotide polymorphisms identified in previous genome-wide association studies of cigarette smoking...
November 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29149249/human-accelerated-regions-and-other-human-specific-sequence-variations-in-the-context-of-evolution-and-their-relevance-for-brain-development
#13
Anastasia Levchenko, Alexander Kanapin, Anastasia Samsonova, Raul Gainetdinov
The review discusses, in a format of a timeline, the studies of different types of genetic variants, present in Homo sapiens, but absent in all other primate, mammalian or vertebrate species, tested so far. The main characteristic of these variants is that they are found in regions of high evolutionary conservation. These sequence variations include single nucleotide substitutions (called human accelerated regions), deletions and segmental duplications. The rationale for finding such variations in the human genome is that they could be responsible for traits, specific to our species, of which the human brain is the most remarkable...
November 14, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29149188/orienting-the-causal-relationship-between-imprecisely-measured-traits-using-gwas-summary-data
#14
Gibran Hemani, Kate Tilling, George Davey Smith
Inference about the causal structure that induces correlations between two traits can be achieved by combining genetic associations with a mediation-based approach, as is done in the causal inference test (CIT). However, we show that measurement error in the phenotypes can lead to the CIT inferring the wrong causal direction, and that increasing sample sizes has the adverse effect of increasing confidence in the wrong answer. This problem is likely to be general to other mediation-based approaches. Here we introduce an extension to Mendelian randomisation, a method that uses genetic associations in an instrumentation framework, that enables inference of the causal direction between traits, with some advantages...
November 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29149036/identification-of-the-caprine-keratin-associated-protein-20-2-kap20-2-gene-and-its-effect-on-cashmere-traits
#15
Jiqing Wang, Longjie Che, Jon G H Hickford, Huitong Zhou, Zhiyun Hao, Yuzhu Luo, Jiang Hu, Xiu Liu, Shaobin Li
The gene encoding the high glycine/tyrosine keratin-associated protein 20-2 (KAP20-2) gene has been described in humans, but has not been identified in any livestock species. A search for similar sequences in the caprine genome using the human KAP20-2 gene (KRTAP20-2) revealed a homologous sequence on chromosome 1. Three different banding patterns representing distinct sequences (A-C) in Longdong cashmere goats were identified using polymerase chain reaction-single stranded conformational polymorphism (PCR-SSCP) analysis...
November 17, 2017: Genes
https://www.readbyqxmd.com/read/29148573/phenotypic-and-genetic-integration-of-personality-and-growth-under-competition-in-the-sheepshead-swordtail-xiphophorus-birchmanni
#16
K Boulton, C A Walling, A J Grimmer, G G Rosenthal, A J Wilson
Competition for resources including food, physical space, and potential mates is a fundamental ecological process shaping variation in individual phenotype and fitness. The evolution of competitive ability, in particular social dominance, depends on genetic (co)variation among traits causal (e.g., behaviour) or consequent (e.g. growth) to competitive outcomes. If dominance is heritable, it will generate both direct and indirect genetic effects (IGE) on resource dependent traits. The latter are expected to impose evolutionary constraint because winners necessarily gain resources at the expense of losers...
November 17, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/29148230/personality-traits-such-as-neuroticism-and-disability-predict-psychological-distress-in-medically-unexplained-symptoms-a-three-year-experience-from-a-single-centre
#17
Vikas Menon, Balasubramanian Shanmuganathan, Jaiganesh Selvapandian Thamizh, Anand Babu Arun, Pooja Patnaik Kuppili, Siddharth Sarkar
BACKGROUND: People with medically unexplained symptoms (MUS) may have psychological co-morbidities. AIMS: Our objectives were to assess the rates and identify correlates of psychological distress in MUS. METHODS: A total of 171 subjects with MUS seeking treatment at a tertiary care facility were assessed over a 3-year period. Psychological distress was assessed using the Tamil version of General Health Questionnaire-12. Apart from socio-demographic factors, personality, coping, perceived social support and subjective disability were assessed using standard instruments...
November 17, 2017: Personality and Mental Health
https://www.readbyqxmd.com/read/29148217/factors-contributing-to-managerial-competence-of-first-line-nurse-managers-a-systematic-review
#18
Joko Gunawan, Yupin Aungsuroch, Mary L Fisher
AIMS: To determine the factors contributing to managerial competence of first-line nurse managers. BACKGROUND: Understanding factors affecting managerial competence of nurse managers remains important to increase the performance of organizations; however, there is sparse research examining factors that influence managerial competence of first-line nurse managers. DESIGN: Systematic review. DATA SOURCES: The search strategy was conducted from April to July 2017 that included 6 electronic databases: Science Direct, PROQUEST Dissertations and Theses, MEDLINE, CINAHL, EMBASE, and Google Scholar for the years 2000 to 2017 with full text in English...
November 16, 2017: International Journal of Nursing Practice
https://www.readbyqxmd.com/read/29148147/altered-n170-and-mood-symptoms-in-bipolar-disorder-an-electrophysiological-study-of-configural-face-processing
#19
Ivy F Tso, Tyler B Grove, Savanna A Mueller, Lisa O'Donnell, Jinsoo Chun, Melvin G McInnis, Patricia J Deldin
OBJECTIVES: Altered social behavior during mood episodes in bipolar disorder often has detrimental and long-lasting interpersonal consequences. Abnormal face processing may play a role in linking brain functions to clinical symptoms and behavior. This study aimed to understand configural face processing in bipolar disorder as a function of basic communicative attributes of the face and mood symptoms using event-related brain potentials (ERPs). METHODS: Forty-two participants with bipolar I disorder (BP) and 43 healthy controls (HC) viewed face stimuli varying in emotion (neutral or fearful), head orientation (forward or deviated), and gaze direction (direct or averted) while ERPs were recorded...
November 17, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/29148114/on-the-character-and-production-of-active-participation-in-neuro-rehabilitation-an-actor-network-perspective
#20
Simon Horton, Kathryn Mares, Neil Coull, Fiona Poland
The importance of patients' active involvement in neuro-rehabilitation after acquired brain injury has been consistently emphasised in recent years. However, most approaches fail to show how 'active participation' is practically enacted, focusing on individualised explanations of patient choice and behaviours, or notions of inherent patient traits. Using actor-network theory (ANT) as a sensitising concept, we investigated neuro-rehabilitation practices, asking how participation is shaped through biological and socio-material specificities, how rights to knowledge and expertise are constructed, and how a body acclimatises and adjusts within an order of participation and transformation...
November 2017: Sociology of Health & Illness
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