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https://www.readbyqxmd.com/read/28885064/araniella-cucurbitina-the-first-molecular-evidence-of-a-palearctic-species-of-genus-araniella-inhabiting-india
#1
Ankita Rajpoot, Ved Prakash Kumar, Archana Bahuguna, Pallab Maity, Dhyanendra Kumar
The present study represents first genetic record of single spider species Araniella cucurbitina, genus Araniella from Uttarakhand, India. There are 12 identified species under Araniella genus and they are distributed in Palearctic region. Here, we used known N = 47 (2 from present study and 45 from GenBank) cytochrome oxidase 1 (CO1) sequences of A. cucurbitina representing seven different geographical groups, additionally 23 sequences of eight Araniella species were used for phylogenetic relationship...
September 8, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28819937/the-presence-of-a5935g-g5949a-g6081a-g6267a-t9540c-mutations-in-mt-co1-and-mt-co3-genes-and-other-variants-of-mt-co1-and-mt-co3-gene-fragments-in-the-study-population-diagnosed-with-endometrial-cancer
#2
Kinga Księżakowska-Łakoma, Dominika Kulczycka-Wojdala, Andrzej Kulig, Marcin Baum, Jacek Radosław Wilczyński
OBJECTIVES: The specific purpose of this study was the assessment of A5935G, G5949A, G6081A, G6267A mutations in MT-CO1 and T9540C in MT-CO3, and alterations detected during the analysis of MT-CO gene fragments in subject and control groups. A secondary aim was to assess the relationship between MT-CO1 and MT-CO3 gene alterations and endometrial cancer incidence and evaluation of the prognostic value of MT-CO1 and MT-CO3 gene alterations. MATERIAL AND METHODS: In this study, we investigated A5935G, G5949A, G6081A, G6267A mutations in MT-CO1 and T9540C in MT-CO3, and alterations detected during the analysis of MT-CO gene fragments in formalin-fixed, paraffin-embedded endometrial and benign endometrial hyperplasia of a cohort of 125 subjects...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28801628/colossal-piezomagnetic-response-in-magnetically-pressed-zr-4-substituted-cobalt-ferrites
#3
Monaji Vinitha Reddy, Abdellah Lisfi, Sabin Pokharel, Dibakar Das
A remarkable 111% increase in magnetostriction (λ) and 435% increase in strain sensitivity (dλ/dH) (compared to normally compacted (NC) unsubstituted CoFe2O4 (CFO)) of Zr(+4) doped CFO sample, Co1.2Zr0.2Fe1.6O4, prepared by magnetic field assisted compaction, have been reported in this study. Magnetic field assisted compaction (MC) has been employed to process Zr-doped cobalt ferrites, Co1+xZrxFe2-2xO4 (0 ≤ × ≤ 0.4), to further improve the magnetoelastic properties. Saturation magnetization (M S ) and coercivity (H C ) increase from ~426 kA/m and ~4...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782165/atomic-level-insight-into-optimizing-the-hydrogen-evolution-pathway-over-a-co1-n4-single-site-photocatalyst
#4
Yuanjie Cao, Si Chen, Qiquan Luo, Huan Yan, Yue Lin, Wei Liu, Linlin Cao, Junling Lu, Jinlong Yang, Tao Yao, Shiqiang Wei
Knowledge of the photocatalytic H2 evolution mechanism is of great importance for designing active catalysts toward a sustainable energy supply. An atomic-level insight, design, and fabrication of single-site Co1 -N4 composite as a prototypical photocatalyst for efficient H2 production is reported. Correlated atomic characterizations verify that atomically dispersed Co atoms are successfully grafted by covalently forming a Co1 -N4 structure on g-C3 N4 nanosheets by atomic layer deposition. Different from the conventional homolytic or heterolytic pathway, theoretical investigations reveal that the coordinated donor nitrogen increases the electron density and lowers the formation barrier of key Co hydride intermediate, thereby accelerating H-H coupling to facilitate H2 generation...
August 6, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28769697/species-delimitation-of-the-hyphydrus-ovatus-complex-in-western-palaearctic-with-an-update-of-species-distributions-coleoptera-dytiscidae
#5
Johannes Bergsten, Elisabeth Weingartner, Jiří Hájek
The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760), are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1) was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769685/differentiation-of-three-common-deep-water-hermit-crabs-crustacea-decapoda-anomura-parapaguridae-from-the-south-african-demersal-abundance-surveys-including-the-description-of-a-new-species-of-paragiopagurus-lemaitre-1996
#6
Jannes Landschoff, Rafael Lemaitre
Deep-water hermit crabs of the family Parapaguridae can be abundant (up to 20 kg or 1000 hermit crab individuals per haul) in the trawl bycatch collected during South African demersal abundance research surveys. Until recently, only two parapagurid species had been recognized in the bycatch; Parapagurus bouvieri Stebbing, 1910, and Sympagurus dimorphus (Studer, 1883). Detailed examination of numerous samples of parapagurid specimens from research surveys revealed the existence of a third, undescribed species previously confounded with S...
2017: ZooKeys
https://www.readbyqxmd.com/read/28761477/molecular-and-morphological-characterizations-of-echinococcus-granulosus-from-human-and-animal-isolates-in-kashan-markazi-province-iran
#7
Mohsen Arbabi, Majid Pirestani, Mahdi Delavari, Hossein Hooshyar, Amir Abdoli, Shahab Sarvi
BACKGROUND: One of the most important zoonotic helminths in the world is known as Echinococcus granulosus. Different strains of the E. granulosus have been described based on morphological and molecular characterizations, however, there is limited information regarding the characteristics of the phenotypes and genotypes of E. granulosus in Iran. METHODS: The present study was prepared to evaluate the phenotypic and genotypic diversity of E. granulosus isolates collected from human, goat, sheep, and cattle based on 19 standard morphometric parameters and mitochondrial and nuclear genes (CO1, ND1, and ITS1) in Kashan, Markazi Province, Iran during 2013-2014...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28720349/rejection-of-the-synonymization-of-pegosomum-saginatum-ratz-1898-ratz-1903-with-pegosomum-asperum-wright-1879-ratz-1903
#8
Petr Heneberg, Jiljí Sitko
The Pegosomum Ratz, 1903 are digenean parasites of piscivorous birds. They exhibit few morphological autapomorphies and some of their identification features (number of collar spines) can be altered before or during fixation. Several re-classifications within the genus were suggested, but they have never been supported by molecular analyses. We addressed the synonymization of species within Pegosomum asperum/saginatum complex suggested by Dubinin, Dubinina and Saidov. We analyzed one nuclear (ITS2) and two mitochondrial (CO1, ND1) loci of two central European species of Pegosomum, namely Pegosomum asperum (Wright, 1879) Ratz, 1903 and Pegosomum saginatum (Ratz, 1898) Ratz, 1903...
July 15, 2017: Parasitology International
https://www.readbyqxmd.com/read/28696450/tuning-the-coercivity-and-exchange-bias-by-controlling-the-interface-coupling-in-bimagnetic-core-shell-nanoparticles
#9
Gabriel C Lavorato, Enio Lima, Horacio E Troiani, Roberto D Zysler, Elin L Winkler
In order to explore an alternative strategy to design exchange-biased magnetic nanostructures, bimagnetic core/shell nanoparticles have been fabricated by a thermal decomposition method and systematically studied as a function of the interface exchange coupling. The nanoparticles are constituted by a ∼3 nm antiferromagnetic (AFM) CoO core encapsulated in a ∼4 nm-thick Co1-xZnxFe2O4 (x = 0-1) ferrimagnetic (FiM) shell. The system presents an enhancement of the coercivity (HC) as compared to its FiM single-phase counterpart and exchange bias fields (HEB)...
July 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28674239/genetic-diversity-and-population-structure-of-blue-crested-lizard-calotes-mystaceus-dum%C3%A3-ril-bibron-1837-squamata-agamidae-in-thailand
#10
Weerachai Saijuntha, Sutthira Khumkratok, Komgrit Wongpakam, Sudarat Thanonkeo, Chadaporn Senakhun, Sombat Appamaraka, Surapon Yodsiri, Weera Thongnetr, Warayutt Pilap, Watee Kongbuntad, Wittaya Tawong, Takeshi Agatsuma, Trevor N Petney, Chairat Tantrawatpan
The blue-crested lizard, Calotes mystaceus Duméril & Bibron, 1837, is listed as a protected wild animal in Thailand. Its population is likely to be dramatically reduced due to massive hunting in several areas in this country. Basic information on its population genetics is therefore needed to facilitate its conservation. Thus, in this study we investigated the mitochondrial cytochrome c oxidase subunit 1 (CO1) sequence variation of 238 individualC.mystaceus from 42 different geographical localities of the north, west, central, east and northeast regions of Thailand...
June 2017: Journal of Genetics
https://www.readbyqxmd.com/read/28672021/the-clinical-burden-of-human-cystic-echinococcosis-in-palestine-2010-2015
#11
Amer Al-Jawabreh, Suheir Ereqat, Kamal Dumaidi, Abdelmajeed Nasereddin, Hanan Al-Jawabreh, Kifaya Azmi, Nahed Al-Laham, Moath Nairat, Adriano Casulli, Husni Maqboul, Ziad Abdeen
BACKGROUND: Cystic echinococcosis (CE) is classified by the WHO as a neglected disease inflicting economic losses on the health systems of many countries worldwide. The aim of this case-series study was to investigate the burden of human CE in Palestine during the period between 2010 and 2015. METHODOLOGY/PRINCIPAL FINDINGS: Records of surgically confirmed CE patients from 13 public and private hospitals in the West Bank and Gaza Strip were reviewed. Patients' cysts were collected from surgical wards and formalin-fixed paraffin-embedded (FFPE) blocks were collected from histopathology departments...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28654642/monitoring-of-noble-signal-and-narrow-clawed-crayfish-using-environmental-dna-from-freshwater-samples
#12
Sune Agersnap, William Brenner Larsen, Steen Wilhelm Knudsen, David Strand, Philip Francis Thomsen, Martin Hesselsøe, Peter Bondgaard Mortensen, Trude Vrålstad, Peter Rask Møller
For several hundred years freshwater crayfish (Crustacea-Decapoda-Astacidea) have played an important ecological, cultural and culinary role in Scandinavia. However, many native populations of noble crayfish Astacus astacus have faced major declines during the last century, largely resulting from human assisted expansion of non-indigenous signal crayfish Pacifastacus leniusculus that carry and transmit the crayfish plague pathogen. In Denmark, also the non-indigenous narrow-clawed crayfish Astacus leptodactylus has expanded due to anthropogenic activities...
2017: PloS One
https://www.readbyqxmd.com/read/28649344/historical-demography-and-genetic-differentiation-of-the-giant-freshwater-prawn-macrobrachium-rosenbergii-in-bangladesh-based-on-mitochondrial-and-ddrad-sequence-variation
#13
M M Mahbub Alam, Kristen M Westfall, Snæbjörn Pálsson
Macrobrachium rosenbergii, the giant freshwater prawn, is an important source of high quality protein and occurs naturally in rivers as well as commercial farms in South and South-East Asia, including Bangladesh. This study investigated the genetic variation and population structure of M. rosenbergii sampled from four rivers in Bangladesh (sample size ranged from 19 to 20), assessing sequence variation, both in the mitochondrial cytochrome oxidase subunit 1 (CO1) gene and in 106 single nucleotide polymorphisms (SNPs) sampled randomly from the genome with double digest RAD sequencing (ddRADseq)...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28623975/mitochondrial-dna-content-and-methylation-in-fetal-cord-blood-of-pregnancies-with-placental-insufficiency
#14
Chiara Novielli, Chiara Mandò, Silvia Tabano, Gaia M Anelli, Laura Fontana, Patrizio Antonazzo, Monica Miozzo, Irene Cetin
INTRODUCTION: Intrauterine growth restriction (IUGR) and preeclampsia (PE) are pregnancy disorders characterized by placental insufficiency with oxygen/nutrient restriction and oxidative stress, all influencing mitochondria functionality and number. Moreover, IUGR and PE fetuses are predisposed to diseases later in life, and this might occur through epigenetic alterations. Here we analyze content and methylation of mitochondrial DNA (mtDNA), for the first time in IUGR and PE singleton fetuses, to identify possible alterations in mtDNA levels and/or epigenetic control of mitochondrial loci relevant to replication (D-loop) and functionality (mt-TF/RNR1: protein synthesis, mt-CO1: respiratory chain complex)...
July 2017: Placenta
https://www.readbyqxmd.com/read/28610301/redescription-of-the-numbat-tick-ixodes-sternalixodes-myrmecobii-roberts-1962-acari-ixodidae-with-descriptions-of-the-male-and-nymph-and-new-host-records
#15
Mackenzie L Kwak, Amanda Ash, Aileen Elliot
Limited knowledge regarding the biology and identification of the Australian tick Ixodes myrmecobii exists with only the female described to date. Here we provide a description of the male and nymph as well as a redescription of the female. All described stages are molecularly characterised using the cytochrome c oxidase subunit 1 (CO1) and internal transcribed spacer 2 (ITS2) loci. An updated list of hosts is presented including the first records from humans, cattle and several native species. Information on the distribution and conservation status of this species is also included...
May 26, 2017: Zootaxa
https://www.readbyqxmd.com/read/28557415/ab-initio-modeling-of-electrolyte-molecule-ethylene-carbonate-decomposition-reaction-on-li-ni-mn-co-o2-cathode-surface
#16
Shenzhen Xu, Guangfu Luo, Ryan Jacobs, Shuyu Fang, Mahesh K Mahanthappa, Robert J Hamers, Dane Morgan
Electrolyte decomposition reactions on Li-ion battery electrodes contribute to the formation of solid electrolyte interphase (SEI) layers. These SEI layers are one of the known causes for the loss in battery voltage and capacity over repeated charge/discharge cycles. In this work, density functional theory (DFT)-based ab initio calculations are applied to study the initial steps of the decomposition of the organic electrolyte component ethylene carbonate (EC) on the (101̅4) surface of a layered Li(Nix,Mny,Co1-x-y)O2 (NMC) cathode crystal, which is commonly used in commercial Li-ion batteries...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28557291/single-site-active-cobalt-based-photocatalyst-with-a-long-carrier-lifetime-for-spontaneous-overall-water-splitting
#17
Wei Liu, Linlin Cao, Weiren Cheng, Yuanjie Cao, Xiaokang Liu, Wei Zhang, Xiaoli Mou, Lili Jin, Xusheng Zheng, Wei Che, Qinghua Liu, Tao Yao, Shiqiang Wei
An active and stable photocatalyst to directly split water is desirable for solar-energy conversion. However, it is difficult to accomplish overall water splitting without sacrificial electron donors. Herein, we demonstrate a strategy via constructing a single site to simultaneously promote charge separation and catalytic activity for robust overall water splitting. A single Co1 -P4 site confined on g-C3 N4 nanosheets was prepared by a facile phosphidation method, and identified by electron microscopy and X-ray absorption spectroscopy...
August 1, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28552975/long-term-genetic-monitoring-of-a-riverine-dragonfly-orthetrum-coerulescens-odonata-libellulidae-direct-anthropogenic-impact-versus-climate-change-effects
#18
Rebecca Herzog, Heike Hadrys
Modern conservationists call for long term genetic monitoring datasets to evaluate and understand the impact of human activities on natural ecosystems and species on a global but also local scale. However, long-term monitoring datasets are still rare but in high demand to correctly identify, evaluate and respond to environmental changes. In the presented study, a population of the riverine dragonfly, Orthetrum coerulescens (Odonata: Libellulidae), was monitored over a time period from 1989 to 2013. Study site was an artificial irrigation ditch in one of the last European stone steppes and "nature heritage", the Crau in Southern France...
2017: PloS One
https://www.readbyqxmd.com/read/28530134/effect-of-intraoperative-positioning-on-the-diameter-of-the-vertebral-canal-in-cats-during-perineal-urethrostomy-cadaveric-study
#19
Pavel Slunsky, Mathias Brunnberg, Shenja Lodersted, Leo Brunnberg
Objectives The objective of this study was to quantify the changes in the diameter of the vertebral canal in the lumbosacral and sacrococcygeal column (L6-Co2) in cats in dorsal and ventral recumbency, simulating real body positioning during a perineal urethrostomy. Methods Twenty-one male feline cadavers were enrolled in the study. All feline cadavers were evaluated by CT. Examinations were performed with the cadaver in a neutral position and dorsal and ventral recumbency. Sagittal vertebral canal diameters (VCDs) were obtained by measuring the distance between the ventral and dorsal aspects of the vertebral canal in the middle of the intervertebral space...
May 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28498376/two-isomorphous-co-ii-coordination-polymers-based-on-new-%C3%AE-%C3%AE-disubstituted-derivatives-of-zoledronic-acid-synthesis-structures-and-properties
#20
Tomasz Rojek, Waldemar Goldeman, Katarzyna Slepokura, Marek Duczmal, Agnieszka Wojciechowska, Ewa Matczak-Jon
Two novel α,α-disubstituted derivatives of zoledronic acid, namely 1-hydroxy-2-(1H-imidazol-1-yl)-2-methylpropylidene-1,1-diphosphonic acid (H4L1) and 1-hydroxy-2-[1-(1H-imidazol-1-yl)cyclopropyl]ethylidene-1,1-diphosphonic acid (H4L2) were synthesized and structurally characterized by single-crystal X-ray diffraction. The reaction of cobalt acetate with H4L1 and H4L2 carried out under hydrothermal conditions afforded two isomorphous Co3(HL1)2(H2O)6·6H2O (1a) and Co3(HL2)2(H2O)6·6H2O (2a) complexes. Both compounds are characterized by means of X-ray crystallography, IR and NIR-Vis-UV spectroscopic methods...
May 30, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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