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https://www.readbyqxmd.com/read/29053650/quality-of-life-after-upper-third-molar-removal-a-prospective-longitudinal-study
#1
V Avellaneda-Gimeno, R Figueiredo, E Valmaseda-Castellón
BACKGROUND: Third molar extraction is a very common procedure in Dentistry. The aim of this study was to evaluate the quality of life (QoL) and satisfaction of patients undergoing extraction of an upper third molar under local anesthesia. A second objective was to describe the evolution of self-reported pain measured in a visual analogue scale (VAS) in the 7 days after surgery and its relationship with pre- and intraoperative factors. MATERIAL AND METHODS: A prospective longitudinal cohort study was made...
October 20, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29053363/toward-a-periodic-table-of-niches-or-exploring-the-lizard-niche-hypervolume
#2
Eric R Pianka, Laurie J Vitt, Nicolás Pelegrin, Daniel B Fitzgerald, Kirk O Winemiller
Widespread niche convergence suggests that species can be organized according to functional trait combinations to create a framework analogous to a periodic table. We compiled ecological data for lizards to examine patterns of global and regional niche diversification, and we used multivariate statistical approaches to develop the beginnings for a periodic table of niches. Data (50+ variables) for five major niche dimensions (habitat, diet, life history, metabolism, defense) were compiled for 134 species of lizards representing 24 of the 38 extant families...
November 2017: American Naturalist
https://www.readbyqxmd.com/read/29053357/the-roles-of-sexual-and-viability-selection-in-the-evolution-of-incomplete-reproductive-isolation-from-allopatry-to-sympatry
#3
Olivier Cotto, Maria R Servedio
In recent years, theoretical models have introduced the concept that ongoing hybridization between "good" species can occur because incomplete reproductive isolation can be a selected optimum. They furthermore show that positive frequency-dependent sexual selection, which is naturally generated by some of the underlying processes that lead to assortative mating, plays a key role in the evolution of incomplete reproductive isolation. This occurs, however, through different mechanisms in sympatric versus allopatric scenarios...
November 2017: American Naturalist
https://www.readbyqxmd.com/read/29052768/phylogenetic-trophic-specialization-a-robust-comparison-of-herbivorous-guilds
#4
Leonardo R Jorge, Vojtech Novotny, Simon T Segar, George D Weiblen, Scott E Miller, Yves Basset, Thomas M Lewinsohn
Resource specialization is a key concept in ecology, but it is unexpectedly difficult to parameterize. Differences in resource availability, sampling effort and abundances preclude comparisons of incompletely sampled biotic interaction webs. Here, we extend the distance-based specialization index (DSI) that measures trophic specialization by taking resource phylogenetic relatedness and availability into account into a rescaled version, DSI*. It is a versatile metric of specialization that expands considerably the scope and applicability, hence the usefulness, of DSI...
October 20, 2017: Oecologia
https://www.readbyqxmd.com/read/29052606/the-evolution-of-eyes-major-steps-the-keeler-lecture-2017-centenary-of-keeler-ltd
#5
I R Schwab
Ocular evolution is an immense topic, and I do not expect to cover all the details of this process in this manuscript. I will present some concepts about some of the major steps in the evolutionary process to stimulate your thinking about this interesting and complex topic. In the prebiotic soup, vision was not inevitable. Eyes were not preordained. Nor were their shapes, sizes, or current physiology. Sight is an evolutionary gift but it was not ineluctable. The existence of eyes is so basic to our profession that we often do not consider how and why vision appeared or evolved on earth at all...
October 20, 2017: Eye
https://www.readbyqxmd.com/read/29052585/corrigendum-a-short-snouted-middle-triassic-phytosaur-and-its-implications-for-the-morphological-evolution-and-biogeography-of-phytosauria
#6
Michelle R Stocker, Li-Jun Zhao, Sterling J Nesbitt, Xiao-Chun Wu, Chun Li
This corrects the article DOI: 10.1038/srep46028.
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29051055/skeletal-impairment-in-pierson-syndrome-is-there-a-role-for-laminin%C3%AE-2-in-bone-physiology
#7
Camille Beaufils, Delphine Farlay, Irma Machuca-Gayet, Alice Fassier, Martin Zenker, Caroline Freychet, Edith Bonnelye, Aurélia Bertholet-Thomas, Bruno Ranchin, Justine Bacchetta
INTRODUCTION: Pierson syndrome is caused by a mutation of LAMB2, encoding for laminin β2. Clinical phenotype is variable but usually associates congenital nephrotic syndrome (CNS) and ocular abnormalities. Neuromuscular impairment has also been described. METHODS: We report on a 15-year old girl, suffering from Pierson Syndrome, who developed severe bone deformations during puberty. This patient initially displayed CNS and microcoria, leading to the clinical diagnosis of Pierson syndrome...
October 16, 2017: Bone
https://www.readbyqxmd.com/read/29050794/genomic-quantitative-genetics-to-study-evolution-in-the-wild
#8
REVIEW
Phillip Gienapp, Simone Fior, Frédéric Guillaume, Jesse R Lasky, Victoria L Sork, Katalin Csilléry
Quantitative genetic theory provides a means of estimating the evolutionary potential of natural populations. However, this approach was previously only feasible in systems where the genetic relatedness between individuals could be inferred from pedigrees or experimental crosses. The genomic revolution opened up the possibility of obtaining the realized proportion of genome shared among individuals in natural populations of virtually any species, which could promise (more) accurate estimates of quantitative genetic parameters in virtually any species...
October 16, 2017: Trends in Ecology & Evolution
https://www.readbyqxmd.com/read/29050627/outcomes-for-the-commercial-use-of%C3%A2-self-expanding-prostheses-in-transcatheter-aortic-valve-replacement-a-report-from-the-sts-acc-tvt-registry
#9
Paul Sorajja, Susheel Kodali, Michael J Reardon, Wilson Y Szeto, Stanley J Chetcuti, James Hermiller, Sharla Chenoweth, David H Adams, Jeffrey J Popma
OBJECTIVES: The authors sought to compare the outcomes of commercial transcatheter aortic valve replacement (TAVR) with the repositionable Evolut R platform to those observed with the CoreValve device in the Society of Thoracic Surgeons (STS)/American College of Cardiology (ACC) Transcatheter Valve Therapy (TVT) Registry. BACKGROUND: TAVR continues to evolve, with rapid adoption of iterative changes for commercial practice. Insight into the outcomes of this adoption is needed...
October 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29050390/involvement-of-fast-spiking-cells-in-ictal-sequences-during-spontaneous-seizures-in-rats-with-chronic-temporal-lobe-epilepsy
#10
Adam R Neumann, Robrecht Raedt, Hendrik W Steenland, Mathieu Sprengers, Katarzyna Bzymek, Zaneta Navratilova, Lilia Mesina, Jeanne Xie, Valerie Lapointe, Fabian Kloosterman, Kristl Vonck, Paul A J M Boon, Ivan Soltesz, Bruce L McNaughton, Artur Luczak
See Lenck-Santini (doi:10.1093/awx205) for a scientific commentary on this article. Epileptic seizures represent altered neuronal network dynamics, but the temporal evolution and cellular substrates of the neuronal activity patterns associated with spontaneous seizures are not fully understood. We used simultaneous recordings from multiple neurons in the hippocampus and neocortex of rats with chronic temporal lobe epilepsy to demonstrate that subsets of cells discharge in a highly stereotypical sequential pattern during ictal events, and that these stereotypical patterns were reproducible across consecutive seizures...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29048573/the-rate-of-evolution-of-postmating-prezygotic-reproductive-isolation-in-drosophila
#11
David A Turissini, Joseph A McGirr, Sonali S Patel, Jean R David, Daniel R Matute
Reproductive isolation is an intrinsic aspect of species formation. For that reason, the identification of the precise isolating traits, and the rates at which they evolve, is crucial to understanding how species originate and persist. Previous work has measured the rates of evolution of prezygotic and postzygotic barriers to gene flow, yet no systematic analysis has studied the rates of evolution of postmating-prezygotic (PMPZ) barriers. We measured the magnitude of two barriers to gene flow that act after mating occurs but before fertilization...
October 18, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29046683/the-diversity-of-sequence-and-chromosomal-distribution-of-new-transposable-element-related-segments-in-the-rye-genome-revealed-by-fish-and-lineage-annotation
#12
Yingxin Zhang, Chengming Fan, Shuangshuang Li, Yuhong Chen, Richard R-C Wang, Xiangqi Zhang, Fangpu Han, Zanmin Hu
Transposable elements (TEs) in plant genomes exhibit a great variety of structure, sequence content and copy number, making them important drivers for species diversity and genome evolution. Even though a genome-wide statistic summary of TEs in rye has been obtained using high-throughput DNA sequencing technology, the accurate diversity of TEs in rye, as well as their chromosomal distribution and evolution, remains elusive due to the repetitive sequence assembling problems and the high dynamic and nested nature of TEs...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29046586/cancer-r-evolution
#13
Katharina von Loga, Marco Gerlinger
No abstract text is available yet for this article.
August 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/29045396/indirect-effects-drive-coevolution-in-mutualistic-networks
#14
Paulo R Guimarães, Mathias M Pires, Pedro Jordano, Jordi Bascompte, John N Thompson
Ecological interactions have been acknowledged to play a key role in shaping biodiversity. Yet a major challenge for evolutionary biology is to understand the role of ecological interactions in shaping trait evolution when progressing from pairs of interacting species to multispecies interaction networks. Here we introduce an approach that integrates coevolutionary dynamics and network structure. Our results show that non-interacting species can be as important as directly interacting species in shaping coevolution within mutualistic assemblages...
October 18, 2017: Nature
https://www.readbyqxmd.com/read/29044824/replication-protein-a-1-has-a-preference-for-the-telomeric-g-rich-sequence-in-trypanosoma-cruzi
#15
Raphael Souza Pavani, Marcela O Vitarelli, Carlos A H Fernandes, Fabio F Mattioli, Mariana Morone, Milene C Menezes, Marcos R M Fontes, Maria Isabel N Cano, Maria Carolina Elias
Replication protein A (RPA), the major eukaryotic single-stranded binding protein, is a heterotrimeric complex formed by RPA-1, RPA-2 and RPA-3. RPA is a fundamental player in replication, repair, recombination and checkpoint signaling. In addition, increasing evidences have been adding functions to RPA in telomere maintenance, such as interaction with telomerase to facilitate its activity and also involvement in telomere capping in some conditions. Trypanosoma cruzi, the etiological agent of Chagas disease is a protozoa parasite that appears early in the evolution of eukaryotes...
October 16, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29044505/diagnostic-pathology-of-early-systemic-cancer-erbb2-gene-amplification-in-single-disseminated-cancer-cells-determines-patient-survival-in-operable-esophageal-cancer
#16
Martin Hoffmann, Sophie Pasch, Thomas Schamberger, Matthias Maneck, Birte Möhlendick, Sarah Schumacher, Gero Brockhoff, Wolfram Trudo Knoefel, Jakob Izbicki, Bernhard Polzer, Nikolas H Stoecklein, Christoph A Klein
Early metastatic dissemination and evolution of disseminated cancer cells (DCCs) outside the primary tumor is one reason for the failure of adjuvant therapies because it generates molecular geno- and phenotypes different from primary tumors which still underlie therapy decisions. Since ERBB2 amplification in esophageal DCCs but not in primary tumor cells predict outcome, we aimed to establish an assay with diagnostic reliability for single DCCs or circulating tumor cells (CTCs). For this we evaluated copy number alterations of more than 600 single DCCs from multiple cancer types to define reference regions suitable for quantification of target regions, such as ERBB2...
October 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29043691/-analysis-of-hypertrophic-pyloric-stenosis-size-does-matter
#17
Y González Ruiz, A Siles Hinojosa, N Álvarez García, R Fernández Atuán, P Bragagnini Rodríguez, J Elías Pollina
OBJECTIVES: To analyze the correlation between pyloric size and evolution of patients surgically treated for infantile hypertrophic pyloric stenosis (IHPS). PATIENTS AND METHODS: We realized a retrospective study of 109 patients undergoing IHPS in 5 years. We analyzed by χ2 test if a correlation between evolution time, age and postoperative vomiting and gastroesophageal reflux disease (GERD), and pyloric muscle thickness (group A > 4.5 mm and group B ≤ 4...
July 20, 2017: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/29043581/the-unique-blood-pressures-and-pulsatility-of-lvad-patients-current-challenges-and-future-opportunities
#18
REVIEW
Francesco Castagna, Eric J Stöhr, Alberto Pinsino, John R Cockcroft, Joshua Willey, A Reshad Garan, Veli K Topkara, Paolo C Colombo, Melana Yuzefpolskaya, Barry J McDonnell
An increasing number of end-stage heart failure patients are now implanted with continuous-flow left ventricular assist devices (CF-LVADs). Although this therapeutic approach is associated with improved clinical outcomes, continuous flow physiology reduces arterial pulse pressure and pulsatility to an extent that is unique to this population. Recent data suggest that high blood pressure (BP) contributes to life-threatening complications such as pump thrombosis and stroke of CF-LVAD patients. However, limited understanding of the distinct hemodynamics of these pumps makes measurement and, consequently, medical management of BP quite challenging...
October 18, 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/29043498/sex-specific-strategies-of-resource-allocation-in-response-to-competition-for-light-in-a-dioecious-plant
#19
Jeanne Tonnabel, Patrice David, John R Pannell
The differential plasticity hypothesis suggests that sexual dimorphism in dioecious plants could evolve in response to sex-specific resource requirements for reproduction (i.e., high carbon requirements for ovules and high nitrogen demands for pollen). When resources become limiting during growth, males and females should, therefore, adjust their allocation to resource-harvesting organs differently. To investigate the potential for plants to respond to resource limitation late in life and to test the differential plasticity hypothesis, we grew male and female individuals of the annual wind-pollinated plant Mercurialis annua in a common garden...
October 17, 2017: Oecologia
https://www.readbyqxmd.com/read/29043311/strain-induced-atomic-structure-at-the-ir-doped-laalo3-srtio3-interface
#20
M Lee, R Arras, B Warot-Fonrose, T Hungria, M Lippmaa, H Daimon, M J Casanove
The structure of Ir-doped LaAlO3/SrTiO3(001) interfaces was investigated on the atomic scale using probe-corrected transmission electron microscopy in high-angle annular dark-field scanning mode (HAADF-STEM) and electron energy loss spectroscopy (EELS), combined with first-principles calculations. We report the evolution of the strain state experimentally measured in a 5 unit-cell thick LaAlO3 film as a function of the Ir concentration in the topmost SrTiO3 layer. It is shown that the LaAlO3 layers remain fully elastically strained up to 3% of Ir doping, whereas a higher doping level seems to promote strain relaxation through enhanced cationic interdiffusion...
October 18, 2017: Physical Chemistry Chemical Physics: PCCP
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