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https://www.readbyqxmd.com/read/28214997/the-human-rit2-core-promoter-short-tandem-repeat-predominant-allele-is-species-specific-in-length-a-selective-advantage-for-human-evolution
#1
Babak Emamalizadeh, Abofazl Movafagh, Hossein Darvish, Somayeh Kazeminasab, Monavvar Andarva, Pegah Namdar-Aligoodarzi, Mina Ohadi
Evolutionary analyses of the critical core promoter interval support a selective advantage for expanding the length of certain short tandem repeats (STRs) in humans. We recently reported genome-wide data on human core promoter STRs that are "exceptionally long" (≥6-repeats). Near the top of the list, the neuron-specific gene, RIT2, contains one of the longest GA-STRs at 11-repeats. In the present study, we analyzed the evolutionary implications of this STR across species. We also studied this STR in a sample of 2,143 Iranian human subjects that encompassed a number of neuropsychiatric disorders and controls...
February 18, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28214942/an-analytical-investigation-of-ozone-episodes-in-bangu-rio-de-janeiro
#2
Claudio Gabriel Pinheiro Geraldino, Eduardo Monteiro Martins, Cleyton Martins da Silva, Graciela Arbilla
This study investigated the potential factors that contribute to frequent high levels of ozone as well as ozone episodes in Bangu, one of the most critical areas in the city of Rio de Janeiro regarding ozone levels. For 74 days in a two-year period (10.3%), the national air quality standard was exceeded. For the same period, a total of 378 days (51.8%) had ozone concentrations that were between 80 and 160 µg m(-3). A statistical analysis of pollutant concentrations and meteorological data as well as a kinetic and mechanistic analysis of VOC reactivity showed that the high ozone concentrations did not seem to be closely related to local emissions but, rather, were related to pollutant transport and triggered by photochemical activity...
February 18, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28214712/epidemiological-study-of-mortality-in-epilepsy-in-a-spanish-population
#3
María Isabel Chamorro-Muñoz, Guillermina García-Martín, Francisco Pérez-Errazquin, Manuel Romero-Acebal, Antonio García-Rodríguez, Mario Gutiérrez-Bedmar
PURPOSE: Studies concerning mortality in epilepsy have been performed primarily in Northern-Central Europe and US. The aim of this study was to provide information about mortality in people with epilepsy in Southern European countries. METHOD: We studied a Spanish prevalence and incidence cohort of 2309 patients aged ≥14 years with epilepsy who were treated in an outpatient epilepsy clinic between 2000 and 2013. The deceased were identified through Civil Registries...
February 8, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28214682/fractal-theory-modeling-for-interpreting-nuclear-and-electrical-well-logging-data-and-establishing-lithological-cross-section-in-basaltic-environment-case-study-from-southern-syria
#4
Jamal Asfahani
Fractal theory modeling technique is newly proposed in this research for interpreting the combination of nuclear well logging, including natural gamma ray, density and neutron-porosity, and the electrical well logging of long and short normal, for establishing the lithological cross section in basaltic environments. The logging data of Kodana well, localized in Southern Syria are used for testing and applying the proposed technique. The established cross section clearly shows the distribution and the identification of four kinds of basalt which are hard massive basalt, hard basalt, pyroclastic basalt and the alteration basalt products, clay...
February 14, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28214614/predicting-medical-professionals-intention-to-allow-family-presence-during-resuscitation-a-cross-sectional-survey
#5
Meng-Kuan Lai, Bayu Aji Aritejo, Jing-Shia Tang, Chien-Liang Chen, Chia-Chang Chuang
BACKGROUND: Family presence during resuscitation is an emerging trend, yet it remains controversial, even in countries with relatively high acceptance of family presence during resuscitation among medical professionals. Family presence during resuscitation is not common in many countries, and medical professionals in these regions are unfamiliar with family presence during resuscitation. Therefore, this study predicted the medical professionals' intention to allow family presence during resuscitation by applying the theory of planned behaviour...
February 11, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28213974/molecular-characterization-and-clinical-epidemiology-of-human-respiratory-syncytial-virus-hrsv-a-and-b-in-hospitalized-children-southern-brazil
#6
F B Moreira, C S Rosario, J S Santos, V M Avanzi, M B Nogueira, L R Vidal, S M Raboni
Human respiratory syncytial virus (HRSV) is a major etiologic agent of pediatric respiratory infections. Genetic variability of its glycoprotein G enables HRSV to evade the immune response and determines its seasonal dissemination. This study reports genetic variability and clinical profiles of HRSV-infected patients from Southern Brazil. Seventy positive samples, 78% type A and 22% type B, were analyzed. Of the patients (median age, 6 months; interquartile range, 2-11 years) 16% had co-morbidities and 17% developed severe disease...
February 18, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28213707/hydropower-reservoirs-cytotoxic-and-genotoxic-assessment-using-the-allium-cepa-root-model
#7
Cassiano Lazarotto Rambo, Patrícia Zanotelli, Daniela Dalegrave, Dinara De Nez, Jozimar Szczepanik, Fábio Carazek, Francini Franscescon, Denis Broock Rosemberg, Anna Maria Siebel, Jacir Dal Magro
Hydropower offers a reliable source of electricity in several countries, and Brazil supplies its energy needs almost entirely through hydropower plants. Nevertheless, hydropower plants comprise large buildings and water reservoirs and dams, resulting in huge ecological disruptions. Here, we analyzed the impact of four hydropower reservoirs construction in metals and pesticides incidence and the cytotoxic and genotoxic potential of sediment elutriate of rivers from southern Brazil. Our analyses have evidenced the elevated incidence of different metals (lead, iron, cadmium, and chrome) and pesticides (methyl parathion, atrazine, and 2,4-dichlorophenoxyacetic acid)...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213705/responses-of-soil-methanogens-methanotrophs-and-methane-fluxes-to-land-use-conversion-and-fertilization-in-a-hilly-red-soil-region-of-southern-china
#8
Huifeng Liu, Xing Wu, Zongshan Li, Qing Wang, Dan Liu, Guohua Liu
Changes in land-uses and fertilization are important factors regulating methane (CH4) emissions from paddy soils. However, the responses of soil CH4 emissions to these factors and the underlying mechanisms remain unclear. The objective of this study was to explore the effects of land-use conversion from paddies to orchards and fertilization on soil CH4 fluxes, and the abundance and community compositions of methanogens and methanotrophs. Soil CH4 fluxes were quantified by static chamber and gas chromatography technology...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213347/a-new-cheirolepidiaceae-coniferales-from-the-early-jurassic-of-patagonia-argentina-reconciling-the-records-of-impression-and-permineralized-fossils
#9
Ignacio Escapa, Andrew Leslie
PREMISE OF THE STUDY: Plants preserved in different fossil modes provide complementary data concerning the paleobiology and evolutionary relationships among plant groups. New material from the Early Jurassic of Patagonia shows the importance of combining these sources of information, as we describe the first compression/impression fossils of Pararaucaria, a genus of the extinct conifer family Cheirolepidiaceae previously known from permineralized fossils. These fossils extend the temporal range of this genus and may allow its wider recognition in the fossil record...
February 17, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28213108/intestinal-transport-and-absorption-of-bioactive-phenolic-compounds-from-a-chemically-characterized-aqueous-extract-of-athrixia-phylicoides
#10
Sandra L Bowles, Yonela Ntamo, Christiaan J Malherbe, Abidemi M P Kappo, Johan Louw, Christo J F Muller
ETHNOPHARMACOLOGICAL RELEVANCE: Athrixia phylicoides (A. phylicoides), popularly known as "bush tea", is an indigenous aromatic shrub found in mountainous and grassland areas of the northern and eastern parts of southern Africa. The plant is traditionally used for the treatment of several ailments, including coughing, treating infected wounds, treating boils and sore throat, hypertension and heart disease. Potential anti-diabetic effects have also been demonstrated in vitro. AIM OF THE STUDY: To investigate the intestinal transport of prominent phenolic constituents, across a fully differentiated Caco-2 monolayer, using a characterized aqueous extract of A...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28212874/multilocus-phylogeny-of-alligator-lizards-elgaria-anguidae-testing-mtdna-introgression-as-the-source-of-discordant-molecular-phylogenetic-hypotheses
#11
Dean H Leavitt, Angela B Marion, Bradford D Hollingsworth, Tod W Reeder
The increased availability of nuclear DNA sequence data has led to a better appreciation of the role and frequency of introgressive hybridization and subsequent mitochondrial capture in misleading phylogenetic hypotheses based on mtDNA sequence data alone. Relationships among members of the alligator lizard genus Elgaria have been addressed with morphology, allozyme and mtDNA sequence data with discordant results. In this study, we use seven nuclear loci (total of 5.9 kb) and ∼3 kb of mtDNA to infer the phylogenetic relationships among Elgaria species and test whether the discordance among previous phylogenetic hypotheses is due to introgression and mtDNA capture...
February 14, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28212620/clinical-manifestations-of-severe-enterovirus-71-infection-and-early-assessment-in-a-southern-china-population
#12
Si-da Yang, Pei-Qing Li, Yi-Min Li, Wei Li, Wen-Ying Lai, Cui-Ping Zhu, Jian-Ping Tao, Li Deng, Hong-Sheng Liu, Wen-Cheng Ma, Jia-Ming Lu, Yan Hong, Yu-Ting Liang, Jun Shen, Dan-Dan Hu, Yuan-Yuan Gao, Yi Zhou, Min-Xiong Situ, Yan-Ling Chen
BACKGROUND: Enterovirus 71 (EV-A71) shows a potential of rapid death, but the natural history of the infection is poorly known. This study aimed to examine the natural history of EV-A71 infection. METHODS: This was a prospective longitudinal observational study performed between January 1(st) and October 31(st), 2012, at three hospitals in Guangdong, China. Subjects with positive EV-A71 RNA laboratory test results were included. Disease progression was documented with MRI, autopsies, and follow-up...
February 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28212393/infant-mortality-and-morbidity-associated-with-preterm-and-small-for-gestational-age-births-in-southern-mozambique-a-retrospective-cohort-study
#13
Alberto L García-Basteiro, Llorenç Quintó, Eusebio Macete, Azucena Bardají, Raquel González, Arsenio Nhacolo, Betuel Sigauque, Charfudin Sacoor, María Rupérez, Elisa Sicuri, Quique Bassat, Esperança Sevene, Clara Menéndez
BACKGROUND: Preterm and small for gestational age (SGA) births have been associated with adverse outcomes during the first stages of life. We evaluated the morbidity and mortality associated with preterm and SGA births during the first year of life in a rural area of Southern Mozambique. METHODS: This is a retrospective cohort study using previously collected data from children born at the Manhiça District Hospital in two different periods (2003-2005 and 2010-2012)...
2017: PloS One
https://www.readbyqxmd.com/read/28212065/children-s-knowledge-of-genital-anatomy-and-its-relationship-with-children-s-use-of-the-word-inside-during-questioning-about-possible-sexual-abuse
#14
Lisa J Milam, William R Nugent
This study was designed to examine the relationship between children's understanding of their genital anatomy and their use of the word "inside" in response to questions about genital touch during a forensic medical examination. This study involved a secondary data analysis of 674 records of children at a sexual abuse clinic in a large city in a southern state. Data were analyzed using contingency table, binary logistic, and multinomial logistic regression analysis methods. An association between children's understanding of genital anatomy and their use of the word "inside" to describe genital touch was found...
January 2017: Journal of Child Sexual Abuse
https://www.readbyqxmd.com/read/28211758/life-cycle-host-utilization-and-ecological-fitting-for-invasive-lancet-liver-fluke-dicrocoelium-dendriticum-emerging-in-southern-alberta-canada
#15
Bradley van Paridon, John S Gilleard, Douglas D Colwell, Cameron P Goater
The expansion of parasite distributions outside of their native host and geographical ranges has occurred repeatedly over evolutionary time. Contemporary examples include emerging infectious diseases (EID's), many of which pose threats to human, domestic animal, and wildlife populations. Theory predicts that parasites with complex life cycles will be rare as EID's due to constraints imposed by host specialization at each life-cycle stage. In contrast to predictions of this theory, we report 2 new intermediate hosts in the 3-host life cycle of the liver fluke Dicrocoelium dendriticum in Cypress Hills Provincial Park, Alberta, Canada...
February 17, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28211478/ecology-and-genetics-affect-relative-invasion-success-of-two-echium-species-in-southern-australia
#16
Xiaocheng Zhu, Paul A Weston, Dominik Skoneczny, David Gopurenko, Lucie Meyer, Brendan J Lepschi, Ragan M Callaway, Geoff M Gurr, Leslie A Weston
Echium plantagineum and E. vulgare are congeneric exotics first introduced to Australia in the early 1800 s. There, E. plantagineum is now highly invasive, whereas E. vulgare has a limited distribution. Studies were conducted to evaluate distribution, ecology, genetics and secondary chemistry to shed light on factors associated with their respective invasive success. When sampled across geographically diverse locales, E. plantagineum was widespread and exhibited a small genome size (1 C = 0.34 pg), an annual life cycle, and greater genetic diversity as assessed by DNA sequence analysis...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211461/a-xandarellid-artiopodan-from-morocco-a-middle-cambrian-link-between-soft-bodied-euarthropod-communities-in-north-africa-and-south-china
#17
Javier Ortega-Hernández, Abdelfattah Azizi, Thomas W Hearing, Thomas H P Harvey, Gregory D Edgecombe, Ahmid Hafid, Khadija El Hariri
Xandarellida is a well-defined clade of Lower Palaeozoic non-biomineralized artiopodans that is exclusively known from the early Cambrian (Stage 3) Chengjiang biota of South China. Here we describe a new member of this group, Xandarella mauretanica sp. nov., from the middle Cambrian (Stage 5) Tatelt Formation of Morocco, making this the first non-trilobite Cambrian euarthropod known from North Africa. X. mauretanica sp. nov. represents the youngest occurrence of Xandarellida - extending its stratigraphic range by approximately 10 million years - and expands the palaeobiogeographic distribution of the group to the high southern palaeolatitudes of West Gondwana...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211329/first-report-of-perfluoroalkyl-substances-in-south-african-odonata
#18
Velesia Lesch, Hindrik Bouwman, Ayako Kinoshita, Yasuyuki Shibata
Perfluorinated substances are global and ubiquitous pollutants. However, very little is known about these substances in invertebrates, and even less in terrestrial invertebrates in particular. We analysed adult male dragonflies from six sites in South Africa for perfluoroalkyl substances (PFASs), including perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), perfluorodecanoic acid (PFDA), perfluro-n-undecanoic acid (PFUnA), perfluoro-n-dodecanoic acid (PFDoA), perfluorohexanoic acid (PFHxA), and perfluorohexane sulfonic acid (PFHxS)...
February 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28211323/evaluation-the-urban-atmospheric-conditions-in-different-cities-using-comet-and-micronuclei-assay-in-tradescantia-pallida
#19
Juliana Caroline Vivian Sposito, Bruno do Amaral Crispim, Amanda Izadora Romãn, Rosilda Mara Mussury, Joelson Gonçalves Pereira, Leonardo Oliveira Seno, Alexeia Barufatti Grisolia
In the present study, genotoxicity and mutagenicity were investigated in Tradescantia pallida exposed to vehicular traffic at different sites in a high-altitude tropical climate. During March, May, July, September, and November 2014, a comet assay and micronucleus bioassays were conducted on young inflorescences and leaves of T. pallida collected from twelve towns in the southern region of Mato Grosso do Sul with different amounts of vehicular traffic. Weather parameters (temperature, relative humidity and rainfall) were measured and vehicles were counted to determine traffic levels in each town...
February 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28209816/genome-sequence-of-a-novel-porcine-circovirus-type-2-strain-that-reemerged-in-southern-china
#20
Shao-Lun Zhai, Xia Zhou, Tao Lin, He Zhang, Dian-Hong Lv, Xiao-Hui Wen, Xiu-Rong Zhou, Chun-Ling Jia, Du Tu, Xue-Liang Zhu, Qin-Ling Chen, Wen-Kang Wei
Here, we describe a novel porcine circovirus type 2 (PCV2) variant (GD2014) found in the Guangdong province, southern China. Its complete genome is 1,766 nucleotides and contained a 708-nucleotide open reading frame 2 (ORF2). Sequence analysis suggested that GD2014 is closest to JS2015 originating from the Jiangsu province of China and belongs to the PCV2d genotype.
February 16, 2017: Genome Announcements
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