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https://www.readbyqxmd.com/read/28110284/injuries-caused-by-pets-in-asian-urban-households-a-cross-sectional-telephone-survey
#1
Emily Y Y Chan, Yang Gao, Liping Li, Po Yi Lee
OBJECTIVES: Little is known about pet-related injuries in Asian populations. This study primarily aimed to investigate the incidence rate of pet-related household injuries in Hong Kong, an urban Chinese setting. SETTING: Cantonese-speaking non-institutionalised population of all ages in Hong Kong accessible by telephone land-line. PARTICIPANTS: A total of 43 542 telephone numbers were dialled and 6570 residents successfully completed the interviews...
January 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28110092/cutin-synthase2-maintains-progressively-developing-cuticular-ridges-in-arabidopsis-sepals
#2
Lilan Hong, Joel Brown, Nicholas A Segerson, Jocelyn K C Rose, Adrienne H K Roeder
The cuticle is a crucial barrier on the aerial surfaces of land plants. In many plants, including Arabidopsis, the sepals and petals form distinctive nanoridges in their cuticles. Yet little is known about how the formation and maintenance of these nanostructures is coordinated with the growth and development of the underlying cells. Here we characterize the cutin synthase 2 (cus2) mutant, which causes a great reduction in cuticular ridges on the mature sepal epidermis, but only a moderate effect on petal cone cell ridges...
January 18, 2017: Molecular Plant
https://www.readbyqxmd.com/read/28110013/dna-damage-and-translational-response-during-detoxification-from-copper-exposure-in-a-wild-population-of-chironomus-riparius
#3
Paola Bernabò, Matteo Gaglio, Francesco Bellamoli, Gabriella Viero, Valeria Lencioni
Copper is one of the predominant components of pesticides employed in agriculture and known to be highly toxic once it reaches aquatic organisms. The impact of sublethal concentrations of this metal on wild insects is not yet completely understood. Studies addressing alterations in different levels of gene expression are still lacking. We previously demonstrated that in a wild population of Chironomus riparius, HSP and CYP families of genes were up-regulated at the transcriptional level after copper exposure...
January 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28109300/knowledge-attitudes-and-practices-in-tamarind-tamarindus-indica-l-use-and-conservation-in-eastern-uganda
#4
Esther Ebifa-Othieno, Antony Mugisha, Philip Nyeko, John David Kabasa
BACKGROUND: Tamarindus indica L is one of the indigenous fruit tree species that traditionally contributes to food security and ecosystem stability in sub-Saharan Africa. We hypothesized that the indigenous people of Eastern Uganda have used T. indica for generations and developed practices that promote its conservation and therefore we expected that they possess an elaborate indigenous knowledge (IK) system and that most of them have planted the species. The aim of this study was to assess the influence of IK, attitudes and practices on the use and conservation of T...
January 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28108921/heavy-metals-and-nutrients-carbon-nitrogen-and-phosphorus-in-sediments-relationships-to-land-uses-environmental-risks-and-management
#5
Yubao Li, Joselito M Arocena, Qiao Zhang, Ronald W Thring, Jianbing Li
Management of sediments in polluted rivers requires an inventory of sediment quantities as well as their nutrient and metal contents and the chemical forms of pollutants. We investigated the influence of three major land uses (i.e., orange plantation-OP, OP + residential + industrial-OPRI, and residential + industrial-RI) on the quality of surface sediments (0-20 cm below water/sediment interface) at the Sanyang Wetland (China). The total contents of metals (As, Cd, Cr, Cu, Ni, Pb, and Zn) and nutrients (C, N, and P) as well as metal speciation in sediments were examined...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108661/a-structure-function-analysis-of-the-yeast-elg1-protein-reveals-the-importance-of-pcna-unloading-in-genome-stability-maintenance
#6
Keren Shemesh, Marek Sebesta, Martin Pacesa, Soumitra Sau, Alex Bronstein, Oren Parnas, Batia Liefshitz, Česlovas Venclovas, Lumir Krejci, Martin Kupiec
The sliding clamp, PCNA, plays a central role in DNA replication and repair. In the moving replication fork, PCNA is present at the leading strand and at each of the Okazaki fragments that are formed on the lagging strand. PCNA enhances the processivity of the replicative polymerases and provides a landing platform for other proteins and enzymes. The loading of the clamp onto DNA is performed by the Replication Factor C (RFC) complex, whereas its unloading can be carried out by an RFC-like complex containing Elg1...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108640/bonds-broken-and-formed-during-the-mixed-linkage-glucan-xyloglucan-endotransglucosylase-reaction-catalysed-by-equisetum-hetero-trans-%C3%AE-glucanase
#7
Thomas J Simmons, Stephen C Fry
Mixed-linkage glucan : xyloglucan endotransglucosylase (MXE) is one of the three activities of the recently characterised hetero-trans-β-glucanase (HTG), which among land-plants is known only from Equisetum species. The biochemical details of the MXE reaction were incompletely understood - details that would promote understanding of MXE's role in vivo and enable its full technological exploitation. We investigated HTG's site of attack on one of its donor substrates, mixed-linkage (1→3),(1→4)-β-D-glucan (MLG), with radioactive oligosaccharides of xyloglucan as acceptor substrate...
January 20, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28108576/dual-source-computed-tomography-based-analysis-of-stent-performance-its-association-with-valvular-calcification-and-residual-aortic-regurgitation-after-implantation-of-a-balloon-expandable-transcatheter-heart-valve
#8
Julius Gerstmeyer, Maximilian Kütting, Buntaro Fujita, Annika Schuhbäck, Martin Arnold, Jochen Börgermann, Stephan Achenbach, Ulrich Steinseifer, Jan Gummert, Stephan Ensminger
OBJECTIVES: The aim of this study was to investigate the mutual influence of valvular calcifications and transcatheter aortic valve stent geometry during and after implantation of a balloon-expandable SAPIEN(®)/SAPIEN XT(®) prostheses. Aortic valve calcification has been linked with adverse complications after transcatheter aortic valve implantation (TAVI). However, little is known about the fate of the calcifications after TAVI as well as its influence on transcatheter heart valve geometry...
January 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28108499/relay-balloon-technique-for-recanalization-of-acute-symptomatic-proximal-internal-carotid-artery-occlusion-with-short-balloon-tipped-guiding-catheter-landing-zone
#9
Sang Hun Lee, Dong Geun Lee, Sun U Kwon, Deok Hee Lee
BACKGROUND: Endovascular recanalization of a completely occluded proximal internal carotid artery (ICA) with underlying stenosis may be challenging owing to a possible thrombotic component. This is especially true when the landing zone for a balloon-tipped guiding catheter (BGC) at the bulb portion is insufficient. Sequential application of the balloons of a BGC and an angioplasty catheter may prevent thromboembolism during revascularization. This study analyzed the safety and effectiveness of this relay-balloon technique...
January 20, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28108116/maternal-exposure-to-ambient-air-pollution-and-risk-of-early-childhood-cancers-a-population-based-study-in-ontario-canada
#10
Éric Lavigne, Marc-André Bélair, Minh T Do, David M Stieb, Perry Hystad, Aaron van Donkelaar, Randall V Martin, Daniel L Crouse, Eric Crighton, Hong Chen, Jeffrey R Brook, Richard T Burnett, Scott Weichenthal, Paul J Villeneuve, Teresa To, Sabit Cakmak, Markey Johnson, Abdool S Yasseen, Kenneth C Johnson, Marianna Ofner, Lin Xie, Mark Walker
BACKGROUND: There are increasing concerns regarding the role of exposure to ambient air pollution during pregnancy in the development of early childhood cancers. OBJECTIVE: This population based study examined whether prenatal and early life (<1year of age) exposures to ambient air pollutants, including nitrogen dioxide (NO2) and particulate matter with aerodynamic diameters ≤2.5μm (PM2.5), were associated with selected common early childhood cancers in Canada...
January 17, 2017: Environment International
https://www.readbyqxmd.com/read/28107740/ambient-air-pollution-and-primary-liver-cancer-incidence-in-four-european-cohorts-within-the-escape-project
#11
Marie Pedersen, Zorana J Andersen, Massimo Stafoggia, Gudrun Weinmayr, Claudia Galassi, Mette Sørensen, Kirsten T Eriksen, Anne Tjønneland, Steffen Loft, Andrea Jaensch, Gabriele Nagel, Hans Concin, Ming-Yi Tsai, Sara Grioni, Alessandro Marcon, Vittorio Krogh, Fulvio Ricceri, Carlotta Sacerdote, Andrea Ranzi, Ranjeet Sokhi, Roel Vermeulen, Kees de Hoogh, Meng Wang, Rob Beelen, Paolo Vineis, Bert Brunekreef, Gerard Hoek, Ole Raaschou-Nielsen
BACKGROUND: Tobacco smoke exposure increases the risk of cancer in the liver, but little is known about the possible risk associated with exposure to ambient air pollution. OBJECTIVES: We evaluated the association between residential exposure to air pollution and primary liver cancer incidence. METHODS: We obtained data from four cohorts with enrolment during 1985-2005 in Denmark, Austria and Italy. Exposure to nitrogen oxides (NO2 and NOX), particulate matter (PM) with diameter of less than 10µm (PM10), less than 2...
January 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28107688/sequencing-and-de-novo-assembly-of-visceral-mass-transcriptome-of-the-critically-endangered-land-snail-satsuma-myomphala-annotation-and-ssr-discovery
#12
Se Won Kang, Bharat Bhusan Patnaik, Hee-Ju Hwang, So Young Park, Jong Min Chung, Dae Kwon Song, Hongray Howrelia Patnaik, Jae Bong Lee, Changmu Kim, Soonok Kim, Young-Su Park, Hong Seog Park, Seung-Hwan Park, Yeon Soo Han, Jun Sang Lee, Yong Seok Lee
Satsuma myomphala is critically endangered through loss of natural habitats, predation by natural enemies, and indiscriminate collection. It is a protected species in Korea but lacks genomic resources for an understanding of varied functional processes attributable to evolutionary success under natural habitats. For assessing the genetic information of S. myomphala, we performed for the first time, de novo transcriptome sequencing and functional annotation of expressed sequences using Illumina Next-Generation Sequencing (NGS) platform and bioinformatics analysis...
October 29, 2016: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28107432/ongoing-speciation-and-gene-flow-between-taxonomically-challenging-trochulus-species-complex-gastropoda-hygromiidae
#13
Małgorzata Proćków, Tomasz Strzała, Elżbieta Kuźnik-Kowalska, Jarosław Proćków, Paweł Mackiewicz
Geographical isolation, selection and genetic drift can cause the geographical diversification of populations and lead to speciation. Land snail species in the genus Trochulus show overlaps in geographical ranges as well as in morphology, but genetic data do not always support the species-level taxonomy based on morphological characters. Such a group offers an excellent opportunity to explore the processes involved. We have addressed the problem by determining the status of the restricted endemic T. graminicola within the larger context of Trochulus taxonomy...
2017: PloS One
https://www.readbyqxmd.com/read/28107413/improving-the-conservation-of-mediterranean-chondrichthyans-the-elasmomed-dna-barcode-reference-library
#14
Alessia Cariani, Silvia Messinetti, Alice Ferrari, Marco Arculeo, Juan J Bonello, Leanne Bonnici, Rita Cannas, Pierluigi Carbonara, Alessandro Cau, Charis Charilaou, Najib El Ouamari, Fabio Fiorentino, Maria Cristina Follesa, Germana Garofalo, Daniel Golani, Ilaria Guarniero, Robert Hanner, Farid Hemida, Omar Kada, Sabrina Lo Brutto, Cecilia Mancusi, Gabriel Morey, Patrick J Schembri, Fabrizio Serena, Letizia Sion, Marco Stagioni, Angelo Tursi, Nedo Vrgoc, Dirk Steinke, Fausto Tinti
Cartilaginous fish are particularly vulnerable to anthropogenic stressors and environmental change because of their K-selected reproductive strategy. Accurate data from scientific surveys and landings are essential to assess conservation status and to develop robust protection and management plans. Currently available data are often incomplete or incorrect as a result of inaccurate species identifications, due to a high level of morphological stasis, especially among closely related taxa. Moreover, several diagnostic characters clearly visible in adult specimens are less evident in juveniles...
2017: PloS One
https://www.readbyqxmd.com/read/28107398/integrated-chronology-flora-and-faunas-and-paleoecology-of-the-alajuela-formation-late-miocene-of-panama
#15
Bruce J MacFadden, Douglas S Jones, Nathan A Jud, Jorge W Moreno-Bernal, Gary S Morgan, Roger W Portell, Victor J Perez, Sean M Moran, Aaron R Wood
The late Miocene was an important time to understand the geological, climatic, and biotic evolution of the ancient New World tropics and the context for the Great American Biotic Interchange (GABI). Despite this importance, upper Miocene deposits containing diverse faunas and floras and their associated geological context are rare in Central America. We present an integrated study of the geological and paleontological context and age of a new locality from Lago Alajuela in northern Panama (Caribbean side) containing late Miocene marine and terrestrial fossils (plants, invertebrates, and vertebrates) from the Alajuela Formation...
2017: PloS One
https://www.readbyqxmd.com/read/28106912/the-phycocyanobilin-chromophore-of-streptophyte-algal-phytochromes-is-synthesized-by-hy2
#16
Nathan C Rockwell, Shelley S Martin, Fay-Wei Li, Sarah Mathews, John Clark Lagarias
Land plant phytochromes perceive red and far-red light to control growth and development, using the linear tetrapyrrole (bilin) chromophore phytochromobilin (PΦB). Phytochromes from streptophyte algae, sister species to land plants, instead use phycocyanobilin (PCB). PCB and PΦB are synthesized by different ferredoxin-dependent bilin reductases (FDBRs): PΦB is synthesized by HY2, whereas PCB is synthesized by PcyA. The pathway for PCB biosynthesis in streptophyte algae is unknown. We used phylogenetic analysis and heterologous reconstitution of bilin biosynthesis to investigate bilin biosynthesis in streptophyte algae...
January 20, 2017: New Phytologist
https://www.readbyqxmd.com/read/28106763/development-of-a-gnss-buoy-for-monitoring-water-surface-elevations-in-estuaries-and-coastal-areas
#17
Yen-Pin Lin, Ching-Jer Huang, Sheng-Hsueh Chen, Dong-Jiing Doong, Chia Chuen Kao
In this work, a Global Navigation Satellite System (GNSS) buoy that utilizes a Virtual Base Station (VBS) combined with the Real-Time Kinematic (RTK) positioning technology was developed to monitor water surface elevations in estuaries and coastal areas. The GNSS buoy includes a buoy hull, a RTK GNSS receiver, data-transmission devices, a data logger, and General Purpose Radio Service (GPRS) modems for transmitting data to the desired land locations. Laboratory and field tests were conducted to test the capability of the buoy and verify the accuracy of the monitored water surface elevations...
January 18, 2017: Sensors
https://www.readbyqxmd.com/read/28106070/key-sources-and-seasonal-dynamics-of-greenhouse-gas-fluxes-from-yak-grazing-systems-on-the-qinghai-tibetan-plateau
#18
Yang Liu, Caiyu Yan, Cory Matthew, Brennon Wood, Fujiang Hou
Greenhouse gas (GHG) emissions from livestock grazing systems are contributing to global warming. To examine the influence of yak grazing systems on GHG fluxes and relationships between GHG fluxes and environmental factors, we measured carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) fluxes over three key seasons in 2012 and 2013 from a range of potential sources, including: alpine meadows, dung patches, manure heaps and yak night pens, on the Qinghai-Tibetan Plateau. We also estimated the total annual global warming potential (GWP, CO2-equivalents) from family farm grazing yaks using our measured results and other published data...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105865/lower-extremity-variability-changes-with-drop-landing-height-manipulations
#19
Andrew D Nordin, Janet S Dufek
Landing is a common lower extremity injury mechanism in sport, with potential connections to movement control accessed through variability measures. We investigated intra-subject lower extremity variability changes following drop-landing height manipulations using standard deviation (SD) and coefficient of variation (CV) among lower extremity peak sagittal joint angles and moments. Fourteen healthy participants completed five drop-landing trials from five heights 20%, 60%, 100%, 140% and 180% maximum vertical jump height (MVJH)...
January 20, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28104711/m%C3%A4-ori-patients-experiences-and-perspectives-of-chronic-kidney-disease-a-new-zealand-qualitative-interview-study
#20
Rachael C Walker, Shayne Walker, Rachael L Morton, Allison Tong, Kirsten Howard, Suetonia C Palmer
OBJECTIVES: To explore and describe Māori (the indigenous people of New Zealand) patients' experiences and perspectives of chronic kidney disease (CKD), as these are largely unknown for indigenous groups with CKD. DESIGN: Face-to-face, semistructured interviews with purposive sampling and thematic analysis. SETTING: 3 dialysis centres in New Zealand (NZ), all of which offered all forms of dialysis modalities. PARTICIPANTS: 13 Māori patients with CKD and who were either nearing the need for dialysis or had started dialysis within the previous 12 months...
January 19, 2017: BMJ Open
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