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https://www.readbyqxmd.com/read/29142204/sociospatial-structure-explains-marked-variation-in-brucellosis-seroprevalence-in-an-alpine-ibex-population
#1
Pascal Marchand, Pauline Freycon, Jean-Philippe Herbaux, Yvette Game, Carole Toïgo, Emmanuelle Gilot-Fromont, Sophie Rossi, Jean Hars
In a context of (re)emerging infectious diseases with wildlife reservoirs, understanding how animal ecology shapes epidemiology is a key issue, particularly in wild ungulates that share pathogens with domestic herbivores and have similar food requirements. For the first time in Europe, brucellosis (Brucella melitensis), a virulent zoonosis, persisted in an Alpine ibex (Capra ibex) population and was transmitted to cattle and humans. To better understand disease dynamics, we investigated the relationships between the spatial ecology of ibex and the epidemiology of brucellosis...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141761/leptospirosis-cases-infected-with-uncommon-serogroups-puerto-rico-2013-2015
#2
Hector Gorbea, Enid J Garcia-Rivera, Hilda Torres, Olga D Lorenzi, Aidsa Rivera, Renee L Galloway, Tyler M Sharp
Leptospirosis is an emerging bacterial zoonosis that is endemic but underrecognized throughout the tropics. Through prospective surveillance for acute febrile illness (AFI) among patients who presented to the emergency department of a hospital located in an urban region of Puerto Rico, four patients with laboratory-confirmed leptospirosis were identified. All patients had signs and symptoms of AFI, including fever, headache, and dehydration. Three patients had leukocytosis with thrombocytopenia and were admitted to the hospital...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141704/human-competence-to-transmit-leishmania-infantum-to-lutzomyia-longipalpis-and-the-influence-of-human-immunodeficiency-virus-infection
#3
Gabriel Reis Ferreira, José Carlos Castelo Branco Ribeiro, Antônio Meneses Filho, Teresinha de Jesus Cardoso Farias Pereira, Daniela Moura Parente, Humberto Feitosa Pereira, Jailthon Carlos da Silva, Danielle Alves Zacarias, Letiano Vieira da Silva, Symonara Karina Medeiros Faustino, Walfrido Salmito Almeida Neto, Dorcas Lamounier Costa, Ivete Lopes de Mendonça, Carlos Henrique Nery Costa
Visceral leishmaniasis (VL) caused by Leishmania infantum is a lethal disease transmitted by sand flies. Although, considered a zoonosis with dogs held as the main reservoirs, humans are also sources of infection. Therefore, control policies currently focused on dog culling may need to consider that VL and human immunodeficiency virus (HIV)/VL patients may also be infectious, contributing to transmission. Reservoir competence of patients with VL without and with HIV infection and of persons asymptomatically infected with Leishmania was assessed by xenodiagnosis with the vector Lutzomyia longipalpis...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29140515/surveillance-for-q-fever-endocarditis-in-the-united-states-1999-2015
#4
Anne Straily, F Scott Dahlgren, Amy Peterson, Christopher D Paddock
Background: Q fever is a worldwide zoonosis caused by Coxiella burnetii. In some persons, particularly those with cardiac valve disease, infection with C. burnetii can cause a life-threatening infective endocarditis. There are few descriptive analyses of Q fever endocarditis in the United States. Methods: Q fever case report forms submitted during 1999-2015 were reviewed to identify reports describing endocarditis. Cases were categorized as confirmed or probable using criteria defined by the Council for State and Territorial Epidemiologists (CSTE)...
November 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29139018/vaccination-against-hydatidosis-molecular-cloning-and-optimal-expression-of-the-eg95nc-recombinant-antigen-in-escherichia-coli
#5
M Jazouli, M Lightowlers, C G Gauci, K Tadlaoui, A Belmlih, M M Ennaji, M Elharrak
Cystic echinococcosis (CE) is a widely distributed zoonosis that is highly endemic in the Mediterranean basin. The disease represents a serious public health threat and causes economic losses. The parasite life-cycle involves dogs and ruminants as definitive and intermediate hosts; humans are accidently infected, causing serious clinical issues. Vaccination of ruminants and dog treatments represent the most efficient measures to prevent parasite transmission. The recombinant protein vaccine, EG95, has been used successfully in sheep vaccine trials against CE in several countries...
November 14, 2017: Protein Journal
https://www.readbyqxmd.com/read/29136651/structural-basis-of-glycan-specificity-of-p-19-vp8-implications-for-rotavirus-zoonosis-and-evolution
#6
Yang Liu, Shenyuan Xu, Andrew L Woodruff, Ming Xia, Ming Tan, Michael A Kennedy, Xi Jiang
Recognition of specific cell surface glycans, mediated by the VP8* domain of the spike protein VP4, is the essential first step in rotavirus (RV) infection. Due to lack of direct structural information of virus-ligand interactions, the molecular basis of ligand-controlled host ranges of the major human RVs (P[8] and P[4]) in P[II] genogroup remains unknown. Here, through characterization of a minor P[II] RV (P[19]) that can infect both animals (pigs) and humans, we made an important advance to fill this knowledge gap by solving the crystal structures of the P[19] VP8* in complex with its ligands...
November 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29129539/leptospirosis-report-from-the-task-force-on-tropical-diseases-by-the-world-federation-of-societies-of-intensive-and-critical-care-medicine
#7
REVIEW
Juan Ignacio Silesky Jiménez, Jorge Luis Hidalgo Marroquin, Guy A Richards, Pravin Amin
Leptospirosis is a zoonosis caused by a gram negative aerobic spirochete of the genus Leptospira. It is acquired by contact with urine or reproductive fluids from infected animals, or by inoculation from contaminated water or soil. The disease has a global distribution, mainly in tropical and subtropical regions that have a humid, rainy climate and is also common in travelers returning from these regions. Clinical suspicion is critical for the diagnosis and it should be included in the differential diagnosis of any patient with a febrile hepatorenal syndrome in, or returning from endemic regions...
November 9, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29126978/toxoplasma-gondii-seroprevalence-in-goats-cats-and-humans-in-russia
#8
Eduard A Shuralev, Nikolai D Shamaev, Malik N Mukminov, Kisaburo Nagamune, Yuji Taniguchi, Taizo Saito, Katsuya Kitoh, Marina I Arleevskaya, Anastasiya Yu Fedotova, Diana R Abdulmanova, Natalya M Aleksandrova, Marina A Efimova, Aynur I Yarullin, Anna R Valeeva, Kamil S Khaertynov, Yasuhiro Takashima
Toxoplasmosis, a most common zoonosis, is caused by the protozoan parasite Toxoplasma gondii. However, there is little epidemiological information on T. gondii infections in humans and livestock animals in Russia. Therefore, in this study, the seroprevalence of T. gondii in goats in Russia was investigated. A total of 216 goats from 32 farms were investigated and 95 of them were seropositive for T. gondii. The difference in seroprevalence between the examined regions was not statistically significant. We next collected serum samples from 99 cats and 181 humans in Kazan city, the state capital of the Republic of Tatarstan, Russia, and examined their T...
November 7, 2017: Parasitology International
https://www.readbyqxmd.com/read/29118316/distinct-campylobacter-fetus-lineages-adapted-as-livestock-pathogens-and-human-pathobionts-in-the-intestinal-microbiota
#9
Gregorio Iraola, Samuel C Forster, Nitin Kumar, Philippe Lehours, Sadjia Bekal, Francisco J García-Peña, Fernando Paolicchi, Claudia Morsella, Helmut Hotzel, Po-Ren Hsueh, Ana Vidal, Simon Lévesque, Wataru Yamazaki, Claudia Balzan, Agueda Vargas, Alessandra Piccirillo, Bonnie Chaban, Janet E Hill, Laura Betancor, Luis Collado, Isabelle Truyers, Anne C Midwinter, Hatice T Dagi, Francis Mégraud, Lucía Calleros, Ruben Pérez, Hugo Naya, Trevor D Lawley
Campylobacter fetus is a venereal pathogen of cattle and sheep, and an opportunistic human pathogen. It is often assumed that C. fetus infection occurs in humans as a zoonosis through food chain transmission. Here we show that mammalian C. fetus consists of distinct evolutionary lineages, primarily associated with either human or bovine hosts. We use whole-genome phylogenetics on 182 strains from 17 countries to provide evidence that C. fetus may have originated in humans around 10,500 years ago and may have "jumped" into cattle during the livestock domestication period...
November 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29118164/evaluation-of-in-house-and-commercial-serological-tests-for-diagnosis-of-human-tularemia
#10
Hadjila Yanes, Aurélie Hennebique, Isabelle Pelloux, Sandrine Boisset, Dominique J Bicout, Yvan Caspar, Max Maurin
Tularemia is a zoonosis caused by the bacterium Francisella tularensis Its specific diagnosis remains based on serological methods, while detection of F. tularensis in clinical samples by culture or PCR is rarely obtained. The aim of the present study was to evaluate the performance of the SERION ELISA classic Francisella tularensis IgG and IgM tests (Virion/Serion GmbH Institute, Würzburg, Germany) and the VIRapid® Tularemia immunochromatographic (ICT) test (VIRCELL, Granada, Spain), compared to the in-house microagglutination (MAT) and indirect immunofluorescence (IFA) tests currently used at the French National Reference Centre for Francisella...
November 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29117192/can-you-catch-ebola-from-a-stork-bite-inductive-reasoning-influences-generalization-of-perceived-zoonosis-risk
#11
Tyler Davis, Micah B Goldwater, Molly E Ireland, Nicholas Gaylord, Jason Van Allen
Emerging zoonoses are a prominent global health threat. Human beliefs are central to drivers of emerging zoonoses, yet little is known about how people make inferences about risk in such scenarios. We present an inductive account of zoonosis risk perception, suggesting that beliefs about the range of animals able to transmit diseases to each other influence how people generalize risks to other animals and health behaviors. Consistent with our account, in Study 1, we find that participants who endorse higher likelihoods of cross-species disease transmission have stronger intentions to report animal bites...
2017: PloS One
https://www.readbyqxmd.com/read/29114133/molecular-identification-of-sarcocystis-species-in-raw-hamburgers-using-pcr-rflp-method-in-kashan-central-iran
#12
H Hooshyar, Z Abbaszadeh, R Sharafati-Chaleshtori, M Arbabi
The prevalence of bovine Sarcocystosis is high in the most regions of the world. It can be a human health problem due to consumption of raw or under cooked hamburgers or other bovine meat products. This study was carried out to investigate the prevalence and species identification of Sarcocystis among of hamburgers, using PCR-RFLP methods in Kashan, central Iran. Overall 200 raw industrial hamburgers samples with at least 60% meat were randomly collected from nine different brands in Kashan, central Iran. The genomic DNA was extracted and a PCR-RFLP method was used to amplify an approximately 900 bp fragment at the 18S rRNA(SSU) gene, restriction enzyme BclI was used for species identification...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29111137/biogenic-silver-nanoparticles-inducing-leishmania-amazonensis-promastigote-and-amastigote-death-in-vitro
#13
Jacqueline Rodrigues Fanti, Fernanda Tomiotto-Pellissier, Milena Menegazzo Miranda-Sapla, Allan Henrique Depieri Cataneo, Célia Guadalupe Tardeli de Jesus Andrade, Carolina Panis, Jean Henrique da Silva Rodrigues, Pryscilla Fanini Wowk, Diogo Kuczera, Idessania Nazareth Costa, Celso Vataru Nakamura, Gerson Nakazato, Nelson Durán, Wander Rogério Pavanelli, Ivete Conchon-Costa
American Cutaneous Leishmaniasis (ACL) is a zoonosis caused by Leishmania protozoa. The ACL chemotherapy available is unsatisfactory motivating researches to seek alternative treatments. In this study, we investigated the action of biogenic silver nanoparticle (AgNp-bio) obtained from Fusarium oxysporium, against Leishmania amazonensis promastigote and amastigote forms. The AgNp-bio promastigote treatment results in promastigote death leading to apoptosis-like events due an increased production of reactive oxygen species (ROS), loss of mitochondrial integrity, phosphatidylserine exposure and damage on promastigotes membrane...
October 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29108931/binding-of-human-plasminogen-by-the-lipoprotein-lipl46-of-leptospira-interrogans
#14
Jadson V Santos, Priscila R M Pereira, Luis G V Fernandes, Gabriela Hase Siqueira, Gisele O de Souza, Antônio Souza Filho, Silvio A Vasconcellos, Marcos B Heinemann, Erica G B Chapola, Ana L T O Nascimento
Leptospirosis is a widespread zoonosis caused by pathogenic Leptospira. Bacteria disseminate via the bloodstream and colonize the renal tubules of reservoir hosts. Leptospiral surface-exposed proteins are important targets, because due to their location they can elicit immune response and mediate adhesion and invasion processes. LipL46 has been previously reported to be located at the leptospiral outer membrane and recognized by antibodies present in serum of infected hamsters. In this study, we have confirmed the cellular location of this protein by immunofluorescence and FACS...
November 4, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/29107384/binding-of-human-complement-c1-sterase-inhibitor-to-leptospira-spp
#15
Leandro Carvalho Dantas Breda, Silvio Arruda Vasconcellos, Dewton de Moraes Vasconcelos, Lourdes Isaac
Leptospirosis is an important zoonosis of global importance caused by bacteria Leptospira spp. Pathogenic Leptospira is resistant to Complement System killing while non-pathogenic Leptospira is rapidly killed by exposure to normal human serum (NHS). Pathogenic Leptospira interact with Complement Regulators such as Factor H, C4b binding protein and Vitronectin avoiding Complement activation and killing by Alternative and Classical Pathways. One important regulator is C1-inhibitor (C1INH) that interacts with C1s or MASPs controlling the cleavage of C4 and C2 molecules, thereby inhibiting the activation of the Classical and Lectin Pathways...
October 13, 2017: Immunobiology
https://www.readbyqxmd.com/read/29102107/the-characterization-of-brucella-strains-isolated-from-cattle-in-algeria-reveals-the-existence-of-a-b-abortus-lineage-distinct-from-european-and-sub-saharan-africa-strains
#16
Mammar Khames, Virginie Mick, M Jesús de Miguel, Guillaume Girault, Raquel Conde-Álvarez, Djamel Khelef, Mustapha Oumouna, Ignacio Moriyón, Pilar M Muñoz, Amaia Zúñiga-Ripa
Brucellosis is a zoonosis caused by bacteria of the genus Brucella that causes important economic losses and human suffering worldwide. Brucellosis control requires an understanding of the Brucella species circulating in livestock and humans and, although prevalent in African countries of the Mediterranean basin, data for this area are mostly restricted to isolates obtained from humans and small ruminants. Here, we report the characterization of twenty-four Brucella strains isolated from Algerian cattle. Bruce-ladder multiplex PCR and conventional biotyping showed that Algerian cattle are infected mostly by B...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29084219/ecological-niche-modeling-and-distribution-of-ornithodoros-hermsi-associated-with-tick-borne-relapsing-fever-in-western-north-america
#17
Kylie M Sage, Tammi L Johnson, Michael B Teglas, Nathan C Nieto, Tom G Schwan
Tick-borne relapsing fever in western North America is a zoonosis caused by the spirochete bacterium, Borrelia hermsii, which is transmitted by the bite of infected Ornithodoros hermsi ticks. The pathogen is maintained in natural cycles involving small rodent hosts such as chipmunks and tree squirrels, as well as the tick vector. In order for these ticks to establish sustained and viable populations, a narrow set of environmental parameters must exist, primarily moderate temperatures and moderate to high amounts of precipitation...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29076653/tuberculosis-in-southern-brazilian-wild-boars-sus-scrofa-first-epidemiological-findings
#18
A L G Maciel, M R Loiko, T S Bueno, J G Moreira, M Coppola, E R Dalla Costa, K B Schmid, R O Rodrigues, S P Cibulski, A C Bertagnolli, F Q Mayer
Bovine tuberculosis (bTB) is a zoonosis caused mainly by Mycobacterium bovis that affects domestic and wild animals. In Brazil, there are no epidemiological studies on tuberculosis in wild animal populations and their possible role in the disease maintenance in cattle herds; thus, the aim of this study was to evaluate the occurrence of tuberculosis in wild boars in Rio Grande do Sul, southern Brazil. Tissue samples of animals hunted under government consent were submitted to histopathology and M. bovis polymerase chain reaction (PCR) as screening tests; the positive samples were subsequently submitted to bacterial isolation, the gold standard diagnosis...
October 27, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29072871/disseminated-intravascular-coagulation-in-an-under-recognised-zoonotic-infection
#19
Sarah Lawrence, Andrew Claxton, Mark Holland, Jack Hodd
A 51 year old man presented with severe sepsis, disseminated intravascular coagulation (DIC) and multiorgan dysfunction after a 24 hour history of diarrhoea and malaise. Despite fluid resuscitation and receiving a platelet transfusion, freshfrozen plasma and intravenous broad-spectrum antibiotics, he remained anuric with a worsening metabolic acidosis. He was transferred to critical care for organ support including renal replacement therapy. He subsequently developed purpura fulminans. Blood cultures were positive for Captocytophaga carnimorsis, a gram-negative canine zoonosis that is an underdiagnosed cause of severe sepsis, for which DIC at presentation is characteristic...
2017: Acute Medicine
https://www.readbyqxmd.com/read/29067206/molecular-detection-and-phylogenetic-analyses-of-toxoplasma-gondii-from-naturally-infected-sheep-in-northern-and-central-tunisia
#20
Mariem Rouatbi, Yosra Amdouni, Safa Amairia, Mohamed R Rjeibi, Said Sammoudi, Mourad Rekik, Mohamed Gharbi
Toxoplasmosis is a worldwide zoonosis caused by the parasitic protozoan Toxoplasma gondii. It can infect all warm-blooded vertebrate species and causes abortions and birth defects in pregnant women and pregnant ewes. The objective of this study was to estimate the prevalence of infection with T. gondii in sheep meat in the region of Sidi Bouzid (central Tunisia) and Beja (northern Tunisia), the realization of a descriptive study of risk factors and the phylogenetic analyses of T. gondii. Neck muscle samples were obtained from 174 ewes and ewe lamb slaughtered in Sidi Bouzid and 150 lambs slaughtered in Beja...
February 2017: Veterinary Medicine and Science
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