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https://www.readbyqxmd.com/read/28449392/osmotic-stress-decreases-complexity-underlying-the-electrophysiological-dynamic-in-soybean
#1
G F R Saraiva, A S Ferreira, G M Souza
Research rationale: Studies on plant electrophysiology are mostly focused on specific traits of single cells. Inspired by the complexity of the signaling network in plants and by analogies with neurons in human brains, we have sought for evidences of high complexity in the electrical dynamics of plant signaling and a likely relation with environmental cues. Central methods: An EEG-like standard protocol was adopted for high-resolution measurements of the electrical signal in Glycine max seedlings. The signals were continuously recorded in the same plants before and after the osmotic stimuli with a -2 MPa mannitol solution...
April 27, 2017: Plant Biology
https://www.readbyqxmd.com/read/28449094/hepatic-tm6sf2-overexpression-affects-cellular-apob-trafficking-plasma-lipid-levels-hepatic-steatosis-and-atherosclerosis
#2
Nicole Ehrhardt, Michael E Doche, Shuang Chen, Hui Z Mao, Meghan T Walsh, Candy Bedoya, Maha Guindi, Weidong Xiong, Joseph Ignatius Irudayam, Jahangir Iqbal, Sebastien Fuchs, Samuel W French, M Mahmood Hussain, Moshe Arditi, Vaithilingaraja Arumugaswami, Miklós Péterfy
The human TM6SF2 gene has been implicated in plasma lipoprotein metabolism, alcoholic and non-alcoholic fatty liver disease and myocardial infarction in multiple genome-wide association studies. To investigate the role of Tm6sf2 in metabolic homeostasis, we generated mice with elevated expression using adeno-associated virus (AAV)-mediated gene delivery. Hepatic overexpression of mouse Tm6sf2 resulted in phenotypes previously observed in Tm6sf2-deficient mice including reduced plasma lipid levels, diminished hepatic TG secretion and increased hepatosteatosis...
April 25, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28448374/characteristics-and-correlates-of-caregivers-perceptions-of-their-family-members-memory-loss
#3
Hairong Yu, Jennifer H Lingler, Susan M Sereika, Judith A Erlen
BACKGROUND: Understanding caregiver's perceptions of their family member's memory loss is a necessary step in planning nursing interventions to detect and address caregiver burden. OBJECTIVE: The purpose of this study was to characterize caregivers' perceptions of their family members' memory loss and identify potential correlates within Leventhal's common sense model (CSM). METHODS: This secondary analysis used baseline data from a larger randomized controlled trial...
May 2017: Nursing Research
https://www.readbyqxmd.com/read/28447935/host-selected-mutations-converging-on-a-global-regulator-drive-an-adaptive-leap-by-bacteria-to-symbiosis
#4
Molly Sabrina Pankey, Randi L Foxall, Ian M Ster, Lauren A Perry, Brian M Schuster, Rachel A Donner, Matthew Coyle, Vaughn S Cooper, Cheryl A Whistler
Host immune and physical barriers protect against pathogens but also impede the establishment of essential symbiotic partnerships. To reveal mechanisms by which beneficial organisms adapt to circumvent host defenses, we experimentally evolved ecologically distinct bioluminescent Vibrio fischeri through Euprymna scolopes squid light organs. Serial squid passaging of bacteria produced eight distinct mutations in the binK sensor kinase gene that conferred an exceptional selective advantage demonstrated through both empirical and theoretical analysis...
April 27, 2017: ELife
https://www.readbyqxmd.com/read/28447829/attributes-of-conscientiousness-throughout-the-animal-kingdom-an-empirical-and-evolutionary-overview
#5
Mikel M Delgado, Frank J Sulloway
Conscientiousness is a fundamental aspect of human personality, one that is closely linked with various favorable life outcomes. Despite its importance in humans, conscientiousness has received little attention as to how it may have evolved, or whether it provides similar fitness benefits in other animals. To date, research in animal personality has found consistent support for the presence of all major dimensions of human personality in other animals except conscientiousness. In this review, we investigate conscientiousness at the level of traits and facets (clusters of closely related traits)...
April 27, 2017: Psychological Bulletin
https://www.readbyqxmd.com/read/28447622/modern-clinical-research-on-lsd
#6
REVIEW
Matthias E Liechti
All modern clinical studies using the classic hallucinogen lysergic acid diethylamide (LSD) in healthy subjects or patients in the last 25 years are reviewed herein. There were five recent studies in healthy participants and one in patients. In a controlled setting, LSD acutely induced bliss, audiovisual synesthesia, altered meaning of perceptions, derealization, depersonalization, and mystical experiences. These subjective effects of LSD were mediated by the 5-HT2A receptor. LSD increased feelings of closeness to others, openness, trust, and suggestibility...
April 27, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28447472/four-year-reciprocal-relationships-between-personality-and-functional-ability-in-older-adults-with-and-without-sensory-impairment-focus-on-neuroticism-and-agreeableness
#7
Markus Wettstein, Hans-Werner Wahl, Vera Heyl
OBJECTIVES: Personality traits have been found to influence health and functional ability (FA) via multiple pathways. However, personality traits may also change in reaction to constraints in FA, particularly in more vulnerable individuals with high risk of decline in independent functioning in daily life (e.g. older adults with sensory impairment). Therefore, conceptually anchored in the World Health Organization's International Classification of Functioning, Disability and Health (ICF model), this study investigated reciprocal relationships between personality, focusing on neuroticism and agreeableness, and indicators of FA (i...
April 27, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28447337/reconstructing-the-ancestral-vertebrate-brain
#8
REVIEW
Fumiaki Sugahara, Yasunori Murakami, Juan Pascual-Anaya, Shigeru Kuratani
Highly complicated morphologies and sophisticated functions of vertebrate brains have been established through evolution. However, the origin and early evolutionary history of the brain remain elusive, owing to lack of information regarding the brain architecture of extant and fossil species of jawless vertebrates (agnathans). Comparative analyses of the brain of less studied cyclostomes (only extant agnathan group, consisting of lampreys and hagfish) with the well-known sister group of jawed vertebrates (gnathostomes) are the only tools we have available to illustrate the ancestral architecture of the vertebrate brain...
April 26, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28446869/fnirs-studies-on-hemispheric-asymmetry-in-atypical-neural-function-in-developmental-disorders
#9
REVIEW
Hirokazu Doi, Kazuyuki Shinohara
Functional lateralization is highly replicable trait of human neural system. Many previous studies have indicated the possibility that people with attention-deficits/hyperactivity-disorder (ADHD) and autism spectrum disorder (ASD) show hemispheric asymmetry in atypical neural function. However, despite the abundance of relevant studies, there is still ongoing controversy over this issue. In the present mini-review, we provide an overview of the hemispheric asymmetry in atypical neural function observed in fNIRS studies on people with these conditions...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28446001/a-post-genome-wide-association-study-validating-the-association-of-the-glycophorin-c-gene-with-serum-hemoglobin-level-in-pig
#10
Yang Liu, Zhengzheng Hu, Chen Yang, Shiwei Wang, Wenwen Wang, Qin Zhang
OBJECTIVE: This study aimed to validate the statistical evidence from the genome-wide association study (GWAS) as true-positive and to better understand the effects of the glycophorin C (GYPC) gene on serum hemoglobin traits. METHODS: Our initial GWAS revealed the presence of two single nucleotide polymorphisms (SNPs) (ASGA0069038 and ALGA0084612) for the hemoglobin concentration trait (HGB) in the 2.48 Mb region of SSC15. From this target region, GYPC was selected as a promising gene that associated with serum HGB traits in pigs...
May 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28445780/mitochondrial-ribosomes-in-cancer
#11
REVIEW
Hyun-Jung Kim, Priyanka Maiti, Antoni Barrientos
Mitochondria play fundamental roles in the regulation of life and death of eukaryotic cells. They mediate aerobic energy conversion through the oxidative phosphorylation (OXPHOS) system, and harbor and control the intrinsic pathway of apoptosis. As a descendant of a bacterial endosymbiont, mitochondria retain a vestige of their original genome (mtDNA), and its corresponding full gene expression machinery. Proteins encoded in the mtDNA, all components of the multimeric OXPHOS enzymes, are synthesized in specialized mitochondrial ribosomes (mitoribosomes)...
April 23, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28445522/revealing-phenotype-associated-functional-differences-by-genome-wide-scan-of-ancient-haplotype-blocks
#12
Ritsuko Onuki, Rui Yamaguchi, Tetsuo Shibuya, Minoru Kanehisa, Susumu Goto
Genome-wide scans for positive selection have become important for genomic medicine, and many studies aim to find genomic regions affected by positive selection that are associated with risk allele variations among populations. Most such studies are designed to detect recent positive selection. However, we hypothesize that ancient positive selection is also important for adaptation to pathogens, and has affected current immune-mediated common diseases. Based on this hypothesis, we developed a novel linkage disequilibrium-based pipeline, which aims to detect regions associated with ancient positive selection across populations from single nucleotide polymorphism (SNP) data...
2017: PloS One
https://www.readbyqxmd.com/read/28445514/the-complexity-underlying-invasiveness-precludes-the-identification-of-invasive-traits-a-comparative-study-of-invasive-and-non-invasive-heterocarpic-atriplex-congeners
#13
Jana Doudová, Jan Douda, Bohumil Mandák
Heterocarpy enables species to effectively spread under unfavourable conditions by producing two or more types of fruit differing in ecological characteristics. Although it is frequent in annuals occupying disturbed habitats that are vulnerable to invasion, there is still a lack of congeneric studies addressing the importance of heterocarpy for species invasion success. We compared two pairs of heterocarpic Atriplex species, each of them comprising one invasive and one non-invasive non-native congener. In two common garden experiments, we (i) simulated the influence of different levels of nutrients and population density on plants grown from different types of fruits and examined several traits that are generally positively associated with invasion success, and (ii) grew plants in a replacement series experiment to evaluate resource partitioning between them and to compare their competitive ability...
2017: PloS One
https://www.readbyqxmd.com/read/28444382/xylem-traits-leaf-longevity-and-growth-phenology-predict-growth-and-mortality-response-to-defoliation-in-northern-temperate-forests
#14
Jane R Foster
Defoliation outbreaks are biological disturbances that alter tree growth and mortality in temperate forests. Trees respond to defoliation in many ways; some recover rapidly, while others decline gradually or die. Functional traits such as xylem anatomy, growth phenology or non-structural carbohydrate (NSC) storage could explain these responses, but idiosyncratic measures used by defoliation studies have frustrated efforts to generalize among species. Here, I test for functional differences with published growth and mortality data from 37 studies, including 24 tree species and 11 defoliators from North America and Eurasia...
April 21, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28444380/polymorphisms-in-the-lac12-gene-explain-lactose-utilisation-variability-in-kluyveromyces-marxianus-strains
#15
Javier A Varela, Noemi Montini, Damhan Scully, Ralph Van der Ploeg, Mislav Oreb, Eckhard Boles, Junya Hirota, Rinji Akada, Hisashi Hoshida, John P Morrissey
Kluyveromyces marxianus is a safe yeast used in the food and biotechnology sectors. One of the important traits that sets it apart from the familiar yeasts, Saccharomyces cerevisiae, is its capacity to grow using lactose as a carbon source. Like in its close relative, Kluyveromyces lactis, this requires lactose transport via a permease and intracellular hydrolysis of the disaccharide. Given the importance of the trait, it was intriguing that most, but not all, strains of K. marxianus are reported to consume lactose efficiently...
April 18, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28443625/genome-wide-meta-analysis-of-241-258-adults-accounting-for-smoking-behaviour-identifies-novel-loci-for-obesity-traits
#16
Anne E Justice, Thomas W Winkler, Mary F Feitosa, Misa Graff, Virginia A Fisher, Kristin Young, Llilda Barata, Xuan Deng, Jacek Czajkowski, David Hadley, Julius S Ngwa, Tarunveer S Ahluwalia, Audrey Y Chu, Nancy L Heard-Costa, Elise Lim, Jeremiah Perez, John D Eicher, Zoltán Kutalik, Luting Xue, Anubha Mahajan, Frida Renström, Joseph Wu, Qibin Qi, Shafqat Ahmad, Tamuno Alfred, Najaf Amin, Lawrence F Bielak, Amelie Bonnefond, Jennifer Bragg, Gemma Cadby, Martina Chittani, Scott Coggeshall, Tanguy Corre, Nese Direk, Joel Eriksson, Krista Fischer, Mathias Gorski, Marie Neergaard Harder, Momoko Horikoshi, Tao Huang, Jennifer E Huffman, Anne U Jackson, Johanne Marie Justesen, Stavroula Kanoni, Leena Kinnunen, Marcus E Kleber, Pirjo Komulainen, Meena Kumari, Unhee Lim, Jian'an Luan, Leo-Pekka Lyytikäinen, Massimo Mangino, Ani Manichaikul, Jonathan Marten, Rita P S Middelberg, Martina Müller-Nurasyid, Pau Navarro, Louis Pérusse, Natalia Pervjakova, Cinzia Sarti, Albert Vernon Smith, Jennifer A Smith, Alena Stančáková, Rona J Strawbridge, Heather M Stringham, Yun Ju Sung, Toshiko Tanaka, Alexander Teumer, Stella Trompet, Sander W van der Laan, Peter J van der Most, Jana V Van Vliet-Ostaptchouk, Sailaja L Vedantam, Niek Verweij, Jacqueline M Vink, Veronique Vitart, Ying Wu, Loic Yengo, Weihua Zhang, Jing Hua Zhao, Martina E Zimmermann, Niha Zubair, Gonçalo R Abecasis, Linda S Adair, Saima Afaq, Uzma Afzal, Stephan J L Bakker, Traci M Bartz, John Beilby, Richard N Bergman, Sven Bergmann, Reiner Biffar, John Blangero, Eric Boerwinkle, Lori L Bonnycastle, Erwin Bottinger, Daniele Braga, Brendan M Buckley, Steve Buyske, Harry Campbell, John C Chambers, Francis S Collins, Joanne E Curran, Gert J de Borst, Anton J M de Craen, Eco J C de Geus, George Dedoussis, Graciela E Delgado, Hester M den Ruijter, Gudny Eiriksdottir, Anna L Eriksson, Tõnu Esko, Jessica D Faul, Ian Ford, Terrence Forrester, Karl Gertow, Bruna Gigante, Nicola Glorioso, Jian Gong, Harald Grallert, Tanja B Grammer, Niels Grarup, Saskia Haitjema, Göran Hallmans, Anders Hamsten, Torben Hansen, Tamara B Harris, Catharina A Hartman, Maija Hassinen, Nicholas D Hastie, Andrew C Heath, Dena Hernandez, Lucia Hindorff, Lynne J Hocking, Mette Hollensted, Oddgeir L Holmen, Georg Homuth, Jouke Jan Hottenga, Jie Huang, Joseph Hung, Nina Hutri-Kähönen, Erik Ingelsson, Alan L James, John-Olov Jansson, Marjo-Riitta Jarvelin, Min A Jhun, Marit E Jørgensen, Markus Juonala, Mika Kähönen, Magnus Karlsson, Heikki A Koistinen, Ivana Kolcic, Genovefa Kolovou, Charles Kooperberg, Bernhard K Krämer, Johanna Kuusisto, Kirsti Kvaløy, Timo A Lakka, Claudia Langenberg, Lenore J Launer, Karin Leander, Nanette R Lee, Lars Lind, Cecilia M Lindgren, Allan Linneberg, Stephane Lobbens, Marie Loh, Mattias Lorentzon, Robert Luben, Gitta Lubke, Anja Ludolph-Donislawski, Sara Lupoli, Pamela A F Madden, Reija Männikkö, Pedro Marques-Vidal, Nicholas G Martin, Colin A McKenzie, Barbara McKnight, Dan Mellström, Cristina Menni, Grant W Montgomery, Aw Bill Musk, Narisu Narisu, Matthias Nauck, Ilja M Nolte, Albertine J Oldehinkel, Matthias Olden, Ken K Ong, Sandosh Padmanabhan, Patricia A Peyser, Charlotta Pisinger, David J Porteous, Olli T Raitakari, Tuomo Rankinen, D C Rao, Laura J Rasmussen-Torvik, Rajesh Rawal, Treva Rice, Paul M Ridker, Lynda M Rose, Stephanie A Bien, Igor Rudan, Serena Sanna, Mark A Sarzynski, Naveed Sattar, Kai Savonen, David Schlessinger, Salome Scholtens, Claudia Schurmann, Robert A Scott, Bengt Sennblad, Marten A Siemelink, Günther Silbernagel, P Eline Slagboom, Harold Snieder, Jan A Staessen, David J Stott, Morris A Swertz, Amy J Swift, Kent D Taylor, Bamidele O Tayo, Barbara Thorand, Dorothee Thuillier, Jaakko Tuomilehto, Andre G Uitterlinden, Liesbeth Vandenput, Marie-Claude Vohl, Henry Völzke, Judith M Vonk, Gérard Waeber, Melanie Waldenberger, R G J Westendorp, Sarah Wild, Gonneke Willemsen, Bruce H R Wolffenbuttel, Andrew Wong, Alan F Wright, Wei Zhao, M Carola Zillikens, Damiano Baldassarre, Beverley Balkau, Stefania Bandinelli, Carsten A Böger, Dorret I Boomsma, Claude Bouchard, Marcel Bruinenberg, Daniel I Chasman, Yii-DerIda Chen, Peter S Chines, Richard S Cooper, Francesco Cucca, Daniele Cusi, Ulf de Faire, Luigi Ferrucci, Paul W Franks, Philippe Froguel, Penny Gordon-Larsen, Hans-Jörgen Grabe, Vilmundur Gudnason, Christopher A Haiman, Caroline Hayward, Kristian Hveem, Andrew D Johnson, J Wouter Jukema, Sharon L R Kardia, Mika Kivimaki, Jaspal S Kooner, Diana Kuh, Markku Laakso, Terho Lehtimäki, Loic Le Marchand, Winfried März, Mark I McCarthy, Andres Metspalu, Andrew P Morris, Claes Ohlsson, Lyle J Palmer, Gerard Pasterkamp, Oluf Pedersen, Annette Peters, Ulrike Peters, Ozren Polasek, Bruce M Psaty, Lu Qi, Rainer Rauramaa, Blair H Smith, Thorkild I A Sørensen, Konstantin Strauch, Henning Tiemeier, Elena Tremoli, Pim van der Harst, Henrik Vestergaard, Peter Vollenweider, Nicholas J Wareham, David R Weir, John B Whitfield, James F Wilson, Jessica Tyrrell, Timothy M Frayling, Inês Barroso, Michael Boehnke, Panagiotis Deloukas, Caroline S Fox, Joel N Hirschhorn, David J Hunter, Tim D Spector, David P Strachan, Cornelia M van Duijn, Iris M Heid, Karen L Mohlke, Jonathan Marchini, Ruth J F Loos, Tuomas O Kilpeläinen, Ching-Ti Liu, Ingrid B Borecki, Kari E North, L Adrienne Cupples
Few genome-wide association studies (GWAS) account for environmental exposures, like smoking, potentially impacting the overall trait variance when investigating the genetic contribution to obesity-related traits. Here, we use GWAS data from 51,080 current smokers and 190,178 nonsmokers (87% European descent) to identify loci influencing BMI and central adiposity, measured as waist circumference and waist-to-hip ratio both adjusted for BMI. We identify 23 novel genetic loci, and 9 loci with convincing evidence of gene-smoking interaction (GxSMK) on obesity-related traits...
April 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28442482/a-bag3-coding-variant-in-mice-determines-susceptibility-to-ischemic-limb-muscle-myopathy-by-directing-autophagy
#17
Joseph M McClung, Timothy J McCord, Terence E Ryan, Cameron A Schmidt, Thomas D Green, Kevin W Southerland, Jessica L Reinardy, Sarah B Mueller, Talaignair N Venkatraman, Christopher D Lascola, Sehoon Keum, Douglas A Marchuk, Espen E Spangenburg, Ayotunde O Dokun, Brian H Annex, Christopher D Kontos
Background -Critical limb ischemia (CLI) is a manifestation of peripheral artery disease (PAD) that carries significant mortality and morbidity risk in humans, although its genetic determinants remain largely unknown. We previously discovered two overlapping quantitative trait loci (QTL) in mice, Lsq-1 and Civq-1, that affected limb muscle survival and stroke volume following femoral artery or middle cerebral artery ligation, respectively. Here we report that a Bag3 variant (Ile81Met) segregates with tissue protection from hindlimb ischemia (HLI)...
April 25, 2017: Circulation
https://www.readbyqxmd.com/read/28442360/the-oxtr-gene-implicit-learning-and-social-processing-does-empathy-evolve-from-perceptual-skills-for-details
#18
Martin Melchers, Christian Montag, Sebastian Markett, Nawael Niazy, Johanna Groß-Bölting, Jelena Zimmermann, Martin Reuter
Oxytocin is an important messenger in the brain that has been linked to a variety of social functions in pharmacological studies. Besides, functional genetic variations on the oxytocin receptor gene have been repeatedly associated with social processing and functioning. Despite this knowledge, there are very few studies investigating the mechanisms that may explain the link between oxytocin and social functions. In the endeavor to fill this gap in the literature, the current study searches for associations between the prominent rs2268498 polymorphism on the oxytocin receptor gene and participants' ability to perceive and store implicit social information, which is a fundamental function in social information processing...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28442046/morphometric-developmental-pattern-of-bovine-handmade-cloned-concepti-in-late-pregnancy
#19
R P C Gerger, F C Zago, E S Ribeiro, S Gaudencio Neto, L T Martins, L H Aguiar, V H V Rodrigues, F H Furlan, I Ortigari, R D Sainz, C L Ferrell, M A Miglino, C E Ambrósio, J L Rodrigues, R Rossetto, F Forell, L R Bertolini, M Bertolini
Cloning procedures often interfere with conceptus growth and life ex utero, in a set of symptoms known as abnormal offspring syndrome (AOS). The aim of the present study was to compare the developmental pattern of in vivo-derived (IVD), IVF-derived and handmade cloning-derived (NT-HMC) Day 225 bovine concepti using established procedures. Pregnancy diagnosis was performed on Day 30 following blastocyst transfer on Day 7. Conceptus morphometry was assessed by ultrasonography on Day 51, and on Day 225 pregnant cows were killed for morphological examination of concepti...
April 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28441946/the-protein-subunit-of-telomerase-displays-patterns-of-dynamic-evolution-and-conservation-across-different-metazoan-taxa
#20
Alvina G Lai, Natalia Pouchkina-Stantcheva, Alessia Di Donfrancesco, Gerda Kildisiute, Sounak Sahu, A Aziz Aboobaker
BACKGROUND: Most animals employ telomerase, which consists of a catalytic subunit known as the telomerase reverse transcriptase (TERT) and an RNA template, to maintain telomere ends. Given the importance of TERT and telomere biology in core metazoan life history traits, like ageing and the control of somatic cell proliferation, we hypothesised that TERT would have patterns of sequence and regulatory evolution reflecting the diverse life histories across the Animal Kingdom. RESULTS: We performed a complete investigation of the evolutionary history of TERT across animals...
April 26, 2017: BMC Evolutionary Biology
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