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Maximilian H H Wurzenberger, Norbert Szimhardt, Jörg Stierstorfer
Because of the ongoing very challenging search for potential replacements of the currently used toxic lead-based primary explosives, new synthetic strategies have to be developed. In particular, the smart concept of energetic coordination compounds (ECC) has proven to hold great potential to solve this difficult and complex problem. The herein-described approach combines the exotic and neglected class of copper(II) bromate ECC with different environmentally friendly nitrogen-rich heterocycles, which exhibit the energetic properties of powerful primary explosives...
June 21, 2018: Inorganic Chemistry
Emilie D Tremblay, Marc-Olivier Duceppe, Jean A Berube, Troy Kimoto, Claude Lemieux, Guillaume J Bilodeau
Anthropogenic activities have a major impact on the global environment. Canada's natural resources are threatened by the spread of fungal pathogens, which is facilitated by agricultural practices and international trade. Fungi are introduced to new environments and sometimes become established, in which case they can cause disease outbreaks resulting in extensive forest decline. Here we describe how a nation-wide sample collection strategy coupled to Next-Generation sequencing (NGS) (i.e. metagenomics) can achieve fast and comprehensive screening for exotic invasive species...
June 20, 2018: Phytopathology
Prathap Reddy Kallamadi, Kamakshi Dandu, Pulugurtha Bharadwaja Kirti, Chintalagiri Mohan Rao, Suman S Thakur, Sujatha Mulpuri
Powdery mildew (PM, caused by Golovinomyces orontii) is one of the major diseases on sunflower that causes severe yield losses in the tropics. Sources of resistance to PM are reported in an exotic accession and some wild Helianthus species. The present study aims at quantitative proteomic analysis of susceptible, resistant and immune genotypes of sunflower in response to PM infection at 3, 7, 10 days post infection. The majority of differentially expressed proteins in the resistant genotype belonged to oxidative stress (catalase, ATP-sulfurylase and formate dehydrogenase), defense (HSP-70, heat shock transcription factors) and photosynthesis (LHCB3)...
June 19, 2018: Proteomics
Foukpê Zhaïrath Adambi Boukari, Ibrahim Traoré Alkoiret, Soumanou Seibou Toléba, Athanase Ahissou, Fataou Zacharie Touré, Aliyassou Mama Yacoubou, Gabriel Assouan Bonou, Ignace Ogoudanan Dotché, Victoire Akpaki, Issaka Youssao Abdou Karim
Aim: The current study aims to evaluate the reproductive performances of the Borgou cow inseminated on natural or induced estrus with semen from Gir and Girolando at the Okpara Breeding Farm. Materials and Methods: Semen from exotic breeds was used to inseminate 70 Borgou cows on induced estrus with the norgestomet implant and 285 others on natural estrous. Data on the reproductive performances of inseminated cows were collected. Results: In inseminated cows on induced estrus, the pregnancy rate was 30% and that of abortion was 9...
May 2018: Veterinary World
Gui Feng Gao, Peng Fei Li, Zhi Jun Shen, Ying Ying Qin, Xi Min Zhang, Kabir Ghoto, Xue Yi Zhu, Hai Lei Zheng
Mangroves are critical in global carbon budget while vulnerable to exotic plant invasion. Spartina alterniflora, one of typical salt marsh plant grows forcefully along the coast of China, has invaded the native mangrove habitats in Zhangjiang Estuary. However, the effects of S. alterniflora invasion on soil carbon gases (CH4 and CO2 ) emission from mangroves are not fully understood. Accordingly, we conducted a field experiment to investigate the soil CH4 and CO2 emission during growing seasons in 2016 and 2017 at four adjacent wetlands, namely bare mudflat (Mud), Kandelia obovata (KO), Avicennia marina (AM) and S...
June 18, 2018: Scientific Reports
Malek J Hallinger, Anja Taubert, Carlos Hermosilla, Frank Mutschmann
BACKGROUND: Exotic reptiles such as tortoises, have become increasingly common domestic pets worldwide and are known to host different gastrointestinal parasites. Some of these parasites bear zoonotic potential. In the present survey, we parasitologically examined tortoise faecal samples (n = 1005) from 19 different species held as pets in private German households and German zoological gardens. METHODS: Saline faecal smears were used to generate prevalence data for potentially health-compromising gastrointestinal parasites...
June 18, 2018: Parasites & Vectors
Lorena Lammoglia-Ordiales, Erick Martínez-Herrera, Sonia Toussaint-Caire, Roberto Arenas, Gabriela Moreno-Coutiño
Exotic pets, such as the ground hedgehog, are capable of transmitting to the human being different zoonoses, such as salmonellosis, mycobacteria, protozoa such as Cryptosporidium parvum, and dermatophytosis. We present the case report of a male adult patient, who had recently acquired a ground hedgehog, who presented in his hand a ringworm lesion incognito and a Majocchi granuloma. The etiological agent was identified as Trichophyton erinacei by mycological culture and molecular biology. The patient was treated with terbinafine oral, with excellent response...
April 2018: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
Lisa A Mestrinho, João M Louro, Iněs S Gordo, Maria M R E Niza, João F Requicha, Judith G Force, Jerzy P Gawor
OBJECTIVE To determine the prevalence of dental anomalies in brachycephalic cats from various geographic regions and analyze potential relationships with oral disease. DESIGN Prospective multicenter cross-sectional study. ANIMALS 50 purebred Persian (n = 42) and Exotic (8) cats. PROCEDURES Cats were anesthetized, and a complete dental examination, dental charting, 3-view oral photography, and full-mouth dental radiography were performed. RESULTS Malocclusions were observed in 36 (72%) cats. Crowding of the teeth was evident in 28 (56%) cats, with the incisors being most commonly affected...
July 1, 2018: Journal of the American Veterinary Medical Association
Siobhan M Mor, Jacqueline M Norris, Katrina L Bosward, Jenny-Ann L M L Toribio, Michael P Ward, Jaime Gongora, Meg Vost, Peter C Higgins, Paul D McGreevy, Peter J White, Sanaa Zaki
Background: New educational approaches are needed to improve student understanding of the wider sociological and ecological determinants of health as well as professional responsibilities in related areas. Field trips allow students to observe interaction between plant, animal and human communities, making them an ideal tool for teaching One Health concepts. Methods: Veterinary medical students participated in a field trip to a local parklands area, frequented by humans, dogs, horses, and wildlife...
June 2018: One Health
Albin Lobo, José M Torres-Ruiz, Regis Burlett, Cedric Lemaire, Camille Parise, Claire Francioni, Laura Truffaut, Ivana Tomášková, Jon Kehlet Hansen, Erik Dahl Kjær, Antoine Kremer, Sylvain Delzon
The genus Quercus comprises important species in forestry not only for their productive value but also for their ability to withstand drought. Hence an evaluation of inter- and intraspecific variation in drought tolerance is important for selecting the best adapted species and provenances for future afforestation. The presence of long vessels makes it difficult to assess xylem vulnerability to embolism in oak. Thanks to the development of an in situ flow centrifuge equipped with a large rotor, we quantified (i) the between species variability of embolism resistance in four native and two exotic species of oaks in Europe and (ii) the within species variability in Quercus petraea ...
September 15, 2018: Forest Ecology and Management
Bipin Kumar Gupta, Rabia Sultana, Satbir Singh, Vijeta Singh, Geet Awana, Anurag Gupta, Bahadur Singh, A K Srivastava, O N Srivastava, S Auluck, V P S Awana
We report the exotic photoluminescence (PL) behaviour of 3D topological insulator Bi2 Te3 single crystals grown by customized self-flux method and mechanically exfoliated few layers (18 ± 2 nm)/thin flakes obtained by standard scotch tape method from as grown Bi2 Te3 crystals. The experimental PL studies on bulk single crystal and mechanically exfoliated few layers of Bi2 Te3 evidenced a broad red emission in the visible region from 600-690 nm upon 375 nm excitation wavelength corresponding to optical band gap of 2 eV...
June 15, 2018: Scientific Reports
H Sasimali M Soysa, Wipa Suginta, Watcharaporn Moonsap, M F Smith
The outer membrane protein channel EcChiP, associated with a silent gene in E. coli, is a monomeric chitoporin. In a glucose-deficient environment, E. coli can express the ChiP gene to exploit chitin degradation products. Single-channel small ion current measurements, which reveal the dynamics of single sugar molecules trapped in channel, are used here to study the exotic transport of chitosugars by E. coli. Molecules escape from the channel on multiple timescales. Voltage-dependent trapping rates observed for charged chitosan molecules, as well as model calculations, indicate that the rapid escape processes are those in which the molecule escapes back to the side of the membrane from which it originated...
May 2018: Physical Review. E
Christina Doukaki, Dr MedVet, Hugues Beaufrère, Dr Med Vet, Minh Huynh
International conferences on avian medicine and surgery aim to disseminate scientific and evidence-based information in the form of oral presentations and posters. Most manuscripts presented are printed in the conference proceedings as abstracts. Subsequent publication in a scientific peer-reviewed journal is the natural outcome of the research cycle, although studies have shown that the vast majority of conference abstracts are not published. The purpose of this study was to explore 1) the fate of abstracts presented in avian conferences (Association of Avian Veterinarians, European Association of Avian Veterinarians, International Conference on Avian Herpetological and Exotic Mammal Medicine) in the years 2011-2015, 2) assess the publication rate in peer-reviewed journals, 3) describe the time course of subsequent publication, and 4) identify factors associated with increased likelihood of publication...
June 2018: Journal of Avian Medicine and Surgery
Irene Martín-Forés, Belén Acosta-Gallo, Isabel Castro, José M de Miguel, Alejandro Del Pozo, Miguel A Casado
Scientists have been interested in many topics driven by biological invasions, such as shifts in the area of distribution of plant species and rapid evolution. Invasiveness of exotic plant species depends on variations on morphological and reproductive traits potentially associated with reproductive fitness and dispersal ability, which are expected to undergo changes during the invasion process. Numerous Asteraceae are invasive and display dimorphic fruits, resulting in a bet-hedging dispersal strategy -wind-dispersed fruits versus animal-dispersed fruits-...
2018: PloS One
Ce Huang, Awadhesh Narayan, Enze Zhang, Yanwen Liu, Xiao Yan, Jiaxiang Wang, Cheng Zhang, Weiyi Wang, Tong Zhou, Changjiang Yi, Shanshan Liu, Jiwei Ling, Huiqin Zhang, Ran Liu, Raman Sankar, Fang-Cheng Chou, Yihua Wang, Youguo Shi, Kam Tuen Law, Stefano Sanvito, Peng Zhou, Zheng Han, Faxian Xiu
The search for proximity-induced superconductivity in topological materials has generated widespread interest in the condensed matter physics community. The superconducting states inheriting nontrivial topology at interfaces are expected to exhibit exotic phenomena such as topological superconductivity and Majorana zero modes, which hold promise for applications in quantum computation. However, a practical realization of such hybrid structures based on topological semimetals and superconductors has hitherto been limited...
June 14, 2018: ACS Nano
Andrea L Goodnight, Sherry Cox
  Meloxicam, a COX-2 selective nonsteroidal anti-inflammatory medication, has been used in many exotic animals at doses extrapolated from domestic animal pharmacokinetic and pharmacodynamic studies. Increasing evidence suggests that significant species differences exist in meloxicam metabolism. Because of this, dose extrapolation from domestic animals may not be appropriate for exotic species. The objective of this study was to investigate the pharmacokinetics of meloxicam in a population of male Malayan flying foxes, Pteropus vampyrus, following a single oral dose of 0...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Sarah Mantovani, Nora Allan, Risa Pesapane, Laurie Brignolo, Janet Foley
  Staff at a university laboratory responsible for management of a captive insurance colony of endangered Amargosa voles ( Microtus californicus scirpensis) discovered an outbreak of tropical rat mites ( Ornithonyssus bacoti) infesting 106 voles. This bloodsucking mesostigmatid mite typically occurs in laboratory settings and can cause weight loss, wounds, or other negative impacts on health. The source of the infestation was likely feral rodents, and the route was suspected to be straw bedding. Twenty-nine of the 106 (27...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Justine C R Shotton, William S M Justice, Francisco J Salguero, Alan Stevens, Barbara Bacci
  Pituitary pars intermedia dysfunction (PPID), also known as equine Cushing's disease, is widely reported in middle-aged to older domestic equids but to date reported in only one nondomestic equid, the onager ( Equus hemionus onager). This case series reports clinical, hematological, and pathological findings consistent with PPID in two further equid species: one Chapman's zebra ( Equus quagga chapmani) and five Przewalski's horses ( Equus ferus przewalskii). The case series reports basal adrenocorticotropic hormone (ACTH) testing as a method to diagnose and monitor PPID in zoological equids and the use of pergolide mesylate to reduce basal ACTH concentration and reduce clinical signs associated with PPID...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Rodrigo Medel, Catalina González-Browne, Daniela Salazar, Pedro Ferrer, Mildred Ehrenfeld
G. L. Stebbins' most effective pollinator principle states that when pollinators are not limiting, plants are expected to specialize and adapt to the most abundant and effective pollinator species available. In this study, we quantify the effectiveness of bees, hummingbirds and hawkmoths in a Chilean population of Erythranthe lutea (Phrymaceae), and examine whether flower traits are subject to pollinator-mediated selection by the most effective pollinator species during two consecutive years. Unlike most species in the pollinator community, the visitation rate of the recently arrived Bombus terrestris did not change substantially between years, which together with its high and stable pollen delivery to flower stigmas made this species the most important in the pollinator assemblage, followed by the solitary bee Centris nigerrima Flower traits were under significant selection in the direction expected for short-tongue bees, suggesting that E...
June 2018: Biology Letters
Matthew S Jones, Jason M Tylianakis, John P Reganold, William E Snyder
Globally, dung beetles (Scarabaeidae: Scarabaeinae) are linked to many critical ecosystem processes involving the consumption and breakdown of mammal dung. Due to New Zealand's unique evolutionary history, resulting from its geographic isolation from Gondwana, endemic dung-dwelling fauna evolved in the absence of large mammals. Europeans introduced livestock to the islands in the late 18th and 19th centuries, resulting in a buildup of undecomposed feces and unrecycled nutrients due to the absence of dung beetles...
June 12, 2018: Ecology
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