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https://www.readbyqxmd.com/read/28733835/competition-and-coexistence-in-a-small-carnivore-guild
#1
Jacques de Satgé, Kristine Teichman, Bogdan Cristescu
The potential for strong competition among small sympatric carnivores results in a need for coexistence strategies whereby competitors partition along spatial, temporal and dietary axes as a means to reduce ecological overlaps. We determined spatial and temporal partitioning patterns of a guild of small African carnivores: the African wildcat Felis silvestris lybica, grey mongoose Galerella pulverulenta, small-spotted genet Genetta genetta, striped polecat Ictonyx striatus, and the yellow mongoose Cynictis penicillata...
July 21, 2017: Oecologia
https://www.readbyqxmd.com/read/28726772/mice-lacking-nf-%C3%AE%C2%BAb1-exhibit-marked-dna-damage-responses-and-more-severe-gastric-pathology-in-response-to-intraperitoneal-tamoxifen-administration
#2
Michael D Burkitt, Jonathan M Williams, Tristan Townsend, Rachael Hough, DMark Pritchard
Tamoxifen (TAM) has recently been shown to cause acute gastric atrophy and metaplasia in mice. We have previously demonstrated that the outcome of Helicobacter felis infection, which induces similar gastric lesions in mice, is altered by deletion of specific NF-κB subunits. Nfkb1(-/-) mice developed more severe gastric atrophy than wild-type (WT) mice 6 weeks after H. felis infection. In contrast, Nfkb2(-/-) mice were protected from this pathology. We therefore hypothesized that gastric lesions induced by TAM may be similarly regulated by signaling via NF-κB subunits...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28724438/synergy-between-dinotefuran-and-fipronil-against-the-cat-flea-ctenocephalides-felis-improved-onset-of-action-and-residual-speed-of-kill-in-adult-cats
#3
Romain Delcombel, Hamadi Karembe, Bakela Nare, Audrey Burton, Julian Liebenberg, Josephus Fourie, Marie Varloud
BACKGROUND: The cat flea, Ctenocephalides felis felis (C. felis), is a cosmopolitan hematophagous ectoparasite, and is considered to be the most prevalent flea species in both Europe and the USA. Clinical signs frequently associated with flea bites include pruritus, dermatitis and in severe cases even pyodermatitis and alopecia. Ctenocephalides felis is also a vector for several pathogens and is an intermediate host for the cestode Dipylidium caninum. Treatment of cats with a fast-acting pulicide, that is persistently effective in protecting the animal against re-infestation, is therefore imperative to their health...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28722283/comparative-analysis-of-storage-conditions-and-homogenization-methods-for-tick-and-flea-species-for-identification-by-maldi-tof-ms
#4
A Nebbak, B El Hamzaoui, J-M Berenger, I Bitam, D Raoult, L Almeras, P Parola
Ticks and fleas are vectors for numerous human and animal pathogens. Controlling them, which is important in combating such diseases, requires accurate identification, to distinguish between vector and non-vector species. Recently, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) was applied to the rapid identification of arthropods. The growth of this promising tool, however, requires guidelines to be established. To this end, standardization protocols were applied to species of Rhipicephalus sanguineus (Ixodida: Ixodidae) Latreille and Ctenocephalides felis felis (Siphonaptera: Pulicidae) Bouché, including the automation of sample homogenization using two homogenizer devices, and varied sample preservation modes for a period of 1-6 months...
July 19, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28721852/effective-identification-of-lactobacillus-casei-group-species-genome-based-selection-of-the-gene-mutl-as-the-target-of-a-novel-multiplex-pcr-assay
#5
Benedetta Bottari, Giovanna E Felis, Elisa Salvetti, Anna Castioni, Ilenia Campedelli, Sandra Torriani, Valentina Bernini, Monica Gatti
Lactobacillus casei,Lactobacillus paracasei and Lactobacillusrhamnosus form a closely related taxonomic group (the L. casei group) within the facultatively heterofermentative lactobacilli. Strains of these species have been used for a long time as probiotics in a wide range of products, and they represent the dominant species of nonstarter lactic acid bacteria in ripened cheeses, where they contribute to flavour development. The close genetic relationship among those species, as well as the similarity of biochemical properties of the strains, hinders the development of an adequate selective method to identify these bacteria...
July 18, 2017: Microbiology
https://www.readbyqxmd.com/read/28720300/epidemiological-study-of-gastric-helicobacter-spp-in-dogs-with-gastrointestinal-disease-in-japan-and-diversity-of-helicobacter-heilmannii-sensu-stricto
#6
Sanae Kubota-Aizawa, Koichi Ohno, Kenjiro Fukushima, Hideyuki Kanemoto, Ko Nakashima, Kazuyuki Uchida, James K Chambers, Yuko Goto-Koshino, Takayasu Watanabe, Tsutomu Sekizaki, Hitomi Mimuro, Hajime Tsujimoto
Epidemiological and pathological studies of Helicobacter spp. in canine stomachs in Japan were performed to investigate strain specific pathogenicity. Gastric biopsies from 144 dogs with gastrointestinal diseases were evaluated for the presence of Helicobacter spp. using genus and species specific PCRs for Helicobacter felis, Helicobacter bizzozeronii, Helicobacter heilmannii sensu stricto (s.s.) and Helicobacter pylori. PCR indicated that 50/144 (34.7%) dogs were infected with Helicobacter spp. Of the genus positive samples, 21/50 could not be amplified by any of the species specific PCRs...
July 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28705255/filarioid-infections-in-wild-carnivores-a-multispecies-survey-in-romania
#7
Angela Monica Ionică, Ioana Adriana Matei, Gianluca D'Amico, Jana Ababii, Aikaterini Alexandra Daskalaki, Attila D Sándor, Dorin Valter Enache, Călin Mircea Gherman, Andrei Daniel Mihalca
BACKGROUND: Filarioids are vector-borne parasitic nematodes of vertebrates. In Europe, eight species of filarioids, including zoonotic species, have been reported mainly in domestic dogs, and occasionally in wild carnivores. In Romania, infections with Dirofilaria spp. and Acanthocheilonema reconditum are endemic in domestic dogs. Despite the abundant populations of wild carnivores in the country, their role in the epidemiology of filarioid parasites remains largely unknown. The aim of the present study was to assess the host range, prevalence and distribution of filarioid infections in wild carnivores present in Romania...
July 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28704486/a-common-bottlenose-dolphin-tursiops-truncatus-prey-handling-technique-for-marine-catfish-ariidae-in-the-northern-gulf-of-mexico
#8
Errol I Ronje, Kevin P Barry, Carrie Sinclair, Mark A Grace, Nélio Barros, Jason Allen, Brian Balmer, Anna Panike, Christina Toms, Keith D Mullin, Randall S Wells
Few accounts describe predator-prey interactions between common bottlenose dolphins (Tursiops truncatus Montagu 1821) and marine catfish (Ariopsis felis Linnaeus 1766, Bagre marinus Mitchill 1815). Over the course of 50,167 sightings of bottlenose dolphin groups in Mississippi Sound and along the Florida coast of the Gulf of Mexico, severed catfish heads were found floating and exhibiting movements at the surface in close proximity to 13 dolphin groups that demonstrated feeding behavior. These observations prompted a multi-disciplinary approach to study the predator-prey relationship between bottlenose dolphins and marine catfish...
2017: PloS One
https://www.readbyqxmd.com/read/28701165/ethnomedicinal-and-cultural-practices-of-mammals-and-birds-in-the-vicinity-of-river-chenab-punjab-pakistan
#9
Muhammad Altaf, Arshad Javid, Muhammad Umair, Khalid Javed Iqbal, Zahid Rasheed, Arshad Mehmood Abbasi
BACKGROUND: Although, use of animal species in disease treatment and culture practices is as ancient as that of plant species; however ethnomedicinal uses and cultural values of animal species have rarely been reported. Present study is the first report on the medicinal uses of mammals and bird species in Pakistan. METHODS: Questionnaires and semi-structured interviews were applied to collect qualitative and quantitative data from local informants (N = 109). Relative frequency of mention (RFM), fidelity level (FL), relative popularity level (RPL), similarity index (SI) and rank order priority (ROP) indices were used to analyzed the data...
July 12, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28696731/dark-matter-search-results-from-the-pico-60%C3%A2-c_-3-f_-8-bubble-chamber
#10
C Amole, M Ardid, I J Arnquist, D M Asner, D Baxter, E Behnke, P Bhattacharjee, H Borsodi, M Bou-Cabo, P Campion, G Cao, C J Chen, U Chowdhury, K Clark, J I Collar, P S Cooper, M Crisler, G Crowder, C E Dahl, M Das, S Fallows, J Farine, I Felis, R Filgas, F Girard, G Giroux, J Hall, O Harris, E W Hoppe, M Jin, C B Krauss, M Laurin, I Lawson, A Leblanc, I Levine, W H Lippincott, F Mamedov, D Maurya, P Mitra, T Nania, R Neilson, A J Noble, S Olson, A Ortega, A Plante, R Podviyanuk, S Priya, A E Robinson, A Roeder, R Rucinski, O Scallon, S Seth, A Sonnenschein, N Starinski, I Štekl, F Tardif, E Vázquez-Jáuregui, J Wells, U Wichoski, Y Yan, V Zacek, J Zhang
New results are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 52 kg of C_{3}F_{8} located in the SNOLAB underground laboratory. As in previous PICO bubble chambers, PICO-60 C_{3}F_{8} exhibits excellent electron recoil and alpha decay rejection, and the observed multiple-scattering neutron rate indicates a single-scatter neutron background of less than one event per month. A blind analysis of an efficiency-corrected 1167-kg day exposure at a 3.3-keV thermodynamic threshold reveals no single-scattering nuclear recoil candidates, consistent with the predicted background...
June 23, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28691033/prevalence-of-toxoplasma-gondii-and-other-gastrointestinal-parasites-in-domestic-cats-from-households-in-thika-region-kenya
#11
Adele Nyambura Njuguna, John Maina Kagira, Simon Muturi Karanja, Maina Ngotho, Lucy Mutharia, Naomi Wangari Maina
Gastrointestinal (GIT) parasites of domestic cats (Felis catus) not only cause morbidity but are also potential zoonotic agents. The current study aimed at establishing the prevalence of GIT parasites in cats kept by households in Thika region, Kenya. Fecal samples were collected randomly from 103 cats and analyzed for presence of parasites using standard parasitological methods. In descending order, the prevalence of the detected protozoa parasites was Isospora spp. 43.7% (95% CI: 40.4-47%), Cryptosporidium spp...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28688978/molecular-characterization-of-complete-genomic-segment-2-of-picobirnavirus-strains-detected-in-a-cat-and-a-dog
#12
Ryan Navarro, Chan Yibin, Rajeev Nair, Andrea Peda, Meiji Soe Aung, Jennifer Ketzis, Yashpal S Malik, Nobumichi Kobayashi, Souvik Ghosh
We report here molecular characterization of complete genomic segment-2 of picobirnavirus (PBV) strains PBV/Cat/KNA/K40/2014 and PBV/Dog/KNA/RVC7/2015 detected in a cat (Felis catus) and a dog (Canis lupus familiaris), respectively, on the Caribbean island of St. Kitts. To obtain the full-length nucleotide (nt) sequence of gene segment-2 of the canine and feline PBV strains, the 5'- and 3'- portions of gene segment-2 containing an overlapping region were amplified using a non-specific primer-based amplification method with modifications...
July 5, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28671609/a-survey-of-public-opinion-on-cat-felis-catus-predation-and-the-future-direction-of-cat-management-in-new-zealand
#13
Jessica K Walker, Stephanie J Bruce, Arnja R Dale
Cat predation is a prominent issue in New Zealand that provokes strong and opposing views. We explored, via 1011 face-to-face questionnaires, public opinion on (a) support for a National Cat Management Strategy (78% support); (b) concern regarding predation of wildlife by owned and un-owned cats (managed stray, unmanaged stray, and feral cats); (c) the acceptability of management techniques for owned cats; and (d) the acceptability of population management techniques for un-owned cats. The highest concern was expressed regarding the predation of non-native and native wildlife by feral cats (60 and 86% repectively), followed by unmanaged stray cats (59 and 86% respectively), managed stray cats (54 and 82% respectively), and finally owned cats (38 and 69% repectively)...
July 3, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28665258/morphology-molecular-characteristics-and-demonstration-of-a-definitive-host-for-sarcocystis-rommeli-from-cattle-bos-taurus-in-china
#14
Jun-Jie Hu, S Huang, T Wen, G W Esch, H L Li
Sarcocysts of Sarcocystis rommeli were found for the first time in 6 of 34 (17.6%) cattle (Bos taurus) in China. With light microscopy, sarcocysts of S. rommeli were up to 1,130 μm long, with a striated, 4-8 μm thick cyst wall. Using transmission electron microscopy, the villar protrusions (vp) were 4.7-5.2 × 0.2-0.3 μm, and 0.3-0.5 μm apart from each other. The vp contained microtubules extending from the top of the vp to the middle of the ground substance layer (gsl). A BLAST search of the near full-length 18S rRNA and partial mitochondrial cox1 of S...
June 30, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28660844/socioeconomic-emotional-and-physical-execution-variables-as-predictors-of-cognitive-performance-in-a-spanish-sample-of-middle-aged-and-older-community-dwelling-participants
#15
Mari Feli González, David Facal, Onésimo Juncos-Rabadán, Javier Yanguas
BACKGROUND: Cognitive performance is not easily predicted, since different variables play an important role in the manifestation of age-related declines. The objective of this study is to analyze the predictors of cognitive performance in a Spanish sample over 50 years from a multidimensional perspective, including socioeconomic, affective, and physical variables. Some of them are well-known predictors of cognition and others are emergent variables in the study of cognition. METHODS: The total sample, drawn from the "Longitudinal Study Aging in Spain (ELES)" project, consisted of 832 individuals without signs of cognitive impairment...
June 29, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28658415/ehrlichia-canis-and-rickettsia-spp-in-dogs-from-urban-areas-in-paraiba-state-northeastern-brazil
#16
Tereza Emmanuelle de Farias Rotondano, Felipe da Silva Krawczak, Werona de Oliveira Barbosa, Jonas Moraes-Filho, Fernanda Nieri Bastos, Marcelo Bahia Labruna, Sérgio Santos de Azevedo, Marcia Almeida de Melo, Alzira Maria Paiva de Almeida
The aims of our study was to identify Ehrlichia canis and antibodies against Rickettsia spp. belonging to the spotted fever group (SFG) in dogs sampled from Paraiba state, northeastern Brazil. Blood and serum samples collected by convenience from dogs in urban areas of five municipalities were analyzed by real-time PCR for the detection of E. canis DNA and by immunofluorescence assay test (IFAT) for the identification of antibodies against Rickettsia rickettsii, R. felis, R. parkeri, R. amblyommii and R. rhipicephali antigens...
June 22, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28653335/catlas-an-magnetic-resonance-imaging-based-three-dimensional-cortical-atlas-and-tissue-probability-maps-for-the-domestic-cat-felis-catus
#17
Daniel Stolzberg, Carmen Wong, Blake E Butler, Stephen G Lomber
Brain atlases play an important role in effectively communicating results from neuroimaging studies in a standardized coordinate system. Furthermore, brain atlases extend analysis of functional magnetic resonance imaging (MRI) data by delineating regions of interest over which to evaluate the extent of functional activation as well as measures of inter-regional connectivity. Here, we introduce a three-dimensional atlas of the cat cerebral cortex based on established cytoarchitectonic and electrophysiological findings...
June 27, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28642750/non-pylori-helicobacters-nhphs-induce-shifts-in-gastric-microbiota-in-helicobacter-pylori-infected-patients
#18
Xianhui Peng, Liya Zhou, Yanan Gong, Zhiqiang Song, Lihua He, Sanren Lin, Jianzhong Zhang
To explore the effects of gastric non-H. pylori Helicobacter species(NHPH) on the structure and potential function of gastric microbiota, we employed 16S rRNA gene sequencing on 164 gastric biopsy specimens from NHPH (H. suis, H. felis, H. salomonis) /H. pylori coinfection individuals, H. pylori monoinfection individuals and healthy controls. The results demonstrated that marked structural and functional variations between H. pylori mono- and coinfection samples (HPHS, HPHF, HPHM). The changes in bacterial structure induced by NHPH are mainly attributed to their ability of gastric acid secretion inhibition as well as bacterial chemotaxis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28637681/two-tales-of-cytauxzoon-felis-infections-in-domestic-cats
#19
REVIEW
Jin-Lei Wang, Ting-Ting Li, Guo-Hua Liu, Xing-Quan Zhu, Chaoqun Yao
Cytauxzoonosis is an emerging infectious disease that affects wild felids as well as the domestic cat; it is caused by the apicomplexan protozoan parasites belonging to the genus Cytauxzoon. Cytauxzoonfelis is the species of major concern, whose transmission occurs via the bite of an infected tick. Cytauxzoonosis of the domestic cat has historically been considered uniformly fatal, with a short course of illness, and most domestic cats die within 9 to 15 days postinfection. However, increasing evidence of domestic cats surviving C...
October 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28633666/molecular-detection-of-vector-borne-pathogens-in-dogs-and-cats-from-qatar
#20
Ana Margarida Alho, Clara Lima, Maria Stefania Latrofa, Vito Colella, Silvia Ravagnan, Gioia Capelli, Luís Madeira de Carvalho, Luís Cardoso, Domenico Otranto
BACKGROUND: Vector-borne diseases (VBDs) have been increasingly reported in dogs and cats worldwide. However, no data are currently available regarding canine and feline VBDs in Qatar and limited information is available from other Persian Gulf countries. METHODS: Blood samples from 98 client-owned animals (i.e. 64 dogs and 34 cats) living in Doha (Qatar) were collected and the presence of genomic DNA of Anaplasma spp., Babesia spp., Dirofilaria spp., Ehrlichia spp...
June 20, 2017: Parasites & Vectors
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