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https://www.readbyqxmd.com/read/28427962/first-report-of-a-rickettsia-asembonensis-related-infecting-fleas-in-brazil
#1
Arannadia Barbosa Silva, Vinicius Figueiredo Vizzoni, Andréa Pereira Costa, Francisco Borges Costa, Jonas Moraes-Filho, Marcelo Bahia Labruna, Gilberto Salles Gazêta, Rita de Maria Seabra Nogueira
The present study was performed in a non-endemic area for spotted fever (SF) in Imperatriz microregion, state of Maranhão, Brazil. Blood samples and ectoparasites were collected from 300 dogs of the Imperatriz microregion. Canine serum samples were tested individually by indirect immunofluorescence assay (IFA), using five Rickettsia isolates from Brazil. Antibodies reactive to at least one of the five species of Rickettsia were detected in 1.6% of the dogs (5/300). These sera were considered reactive to Rickettsia rickettsii and Rickettsia amblyommatis or very closely related species...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28426412/fatal-aelurostrongylosis-in-a-kitten-in-serbia
#2
Pavle Gavrilović, Milijan Jovanović, Aleksandra Gavrilović, Slađan Nešić
This paper describes a case of aelurostrongylosis in a four-month old female domestic cat (Felis catus) from South Banat, Serbia. The kitten that had died suddenly without signs of illness was autopsied in the Veterinary Specialised Institute "Pančevo". The macroscopic finding was typical of granulomatous pneumonia and subsequently, histopathology revealed verminous pneumonia. Based on the parasite morphology, it was confirmed that the lung lesions were caused by Aelurostrongylus abstrusus. The present finding contributes to the knowledge of the prevalence of this underestimated parasite in the Balkan Peninsula...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28424664/spotted-fever-epidemiology-and-vector-rickettsia-host-relationship-in-rio-de-janeiro-state
#3
Diego C Montenegro, Karla Bitencourth, Stefan V de Oliveira, Ana P Borsoi, Karen M Cardoso, Maria S B Sousa, Cristina Giordano-Dias, Marinete Amorim, Nicolau M Serra-Freire, Gilberto S Gazêta, Reginaldo P Brazil
The eco-epidemiological scenario of spotted fever (SF), a tick-borne disease that affects humans and other animals in several countries around the world, was analyzed in Rio de Janeiro (RJ) State, Brazil. During the last 34 years, 990 SF cases were reported in RJ (the Brazilian state with the highest population density), including 116 cases confirmed by serology (RIFI) or PCR, among 42.39% of the municipalities with reported cases of SF. The epidemiologic dynamics of SF in RJ State are very heterogeneous in time and space, with outbreaks, high mortality rates and periods of epidemiological silence (no SF cases reported)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28417060/burden-and-predictors-of-staphylococcus-aureus-and-s-pseudintermedius-infections-among-dogs-presented-at-an-academic-veterinary-hospital-in-south-africa-2007-2012
#4
Daniel N Qekwana, James Wabwire Oguttu, Fortune Sithole, Agricola Odoi
BACKGROUND: Staphylococci are commensals of the mucosal surface and skin of humans and animals, but have been implicated in infections such as otitis externa, pyoderma, urinary tract infections and post-surgical complications. Laboratory records provide useful information to help investigate these infections. Therefore, the objective of this study was to investigate the burdens of these infections and use multinomial regression to examine the associations between various Staphylococcus infections and demographic and temporal factors among dogs admitted to an academic veterinary hospital in South Africa...
2017: PeerJ
https://www.readbyqxmd.com/read/28404209/investigation-of-toxoplasma-gondii-in-semen-testicle-and-epididymis-tissues-of-primo-infected-cats-felis-catus
#5
Weslen Fabricio Pires Teixeira, Maria Eduarda Gonçalves Tozato, Julia Cestari Pierucci, Giovana Pavão Vital, André Cayeiro Cruz, Welber Daniel Zanetti Lopes, Marina Suzuki Cursino, Samea Fernandes Joaquim, Vando Edésio Soares, Helio Langoni, Kátia Denise Saraiva Bresciani, Alvimar José da Costa
This study aimed to investigate the presence of Toxoplasma gondii in semen, testicle and epididymis tissues of cats experimentally infected by this coccidium. A total of 12 male felines without a definite breed that were of reproductive age and serologically negative for T. gondii were selected and distributed to the following three experimental groups: GI, inoculated with 600 tissue cysts of the P strain of T. gondii (isolate III); GII, inoculated with 2×10(5) tachyzoites of the RH strain (isolate I); and GIII, not inoculated (control group)...
April 3, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28403374/rrop2-from-toxoplasma-gondii-as-a-potential-vaccine-against-oocyst-shedding-in-domestic-cats
#6
Dauton Luiz Zulpo, Michelle Igarashi, Ana Sue Sammi, Joeleni Rosa Dos Santos, João Pedro Sasse, Ivo Alexandre Leme da Cunha, Alessandra Taroda, Luiz Daniel de Barros, Jonatas Campos de Almeida, Mark Christopher Jenkins, Italmar Teodorico Navarro, João Luis Garcia
The aim of the present study was to evaluate oocyst shedding in cats immunized by nasal route with T. gondii proteins ROP2. Twelve short hair cats (Felis catus) were divided in three groups G1, G2 and G3 (n=4). Animals from G1 received 100 μg of rROP2 proteins plus 20 μg of Quil-A, G2 received 100 μg of BSA plus 20 μg of Quil-A, and the G3 only saline solution (control group). All treatments were done by intranasal route at days 0, 21, 42, and 63. The challenge was performed in all groups on day 70 with ≅ 800 tissue cysts of ME-49 strain by oral route...
January 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28401960/sperm-whale-long-range-echolocation-sounds-revealed-by-antares-a-deep-sea-neutrino-telescope
#7
M André, A Caballé, M van der Schaar, A Solsona, L Houégnigan, S Zaugg, A M Sánchez, J V Castell, M Solé, F Vila, D Djokic, S Adrián-Martínez, A Albert, M Anghinolfi, G Anton, M Ardid, J-J Aubert, T Avgitas, B Baret, J Barrios-Martí, S Basa, V Bertin, S Biagi, R Bormuth, M C Bouwhuis, R Bruijn, J Brunner, J Busto, A Capone, L Caramete, J Carr, S Celli, T Chiarusi, M Circella, A Coleiro, R Coniglione, H Costantini, P Coyle, A Creusot, A Deschamps, G De Bonis, C Distefano, I Di Palma, C Donzaud, D Dornic, D Drouhin, T Eberl, I El Bojaddaini, D Elsässer, A Enzenhöfer, K Fehn, I Felis, L A Fusco, S Galatà, P Gay, S Geißelsöder, K Geyer, V Giordano, A Gleixner, H Glotin, R Gracia-Ruiz, K Graf, S Hallmann, H van Haren, A J Heijboer, Y Hello, J J Hernandez-Rey, J Hößl, J Hofestädt, C Hugon, G Illuminati, C W James, M de Jong, M Jongen, M Kadler, O Kalekin, U Katz, D Kießling, A Kouchner, M Kreter, I Kreykenbohm, V Kulikovskiy, C Lachaud, R Lahmann, D Lefèvre, E Leonora, S Loucatos, M Marcelin, A Margiotta, A Marinelli, J A Martínez-Mora, A Mathieu, K Melis, T Michael, P Migliozzi, A Moussa, C Mueller, E Nezri, G E Păvălaş, C Pellegrino, C Perrina, P Piattelli, V Popa, T Pradier, C Racca, G Riccobene, K Roensch, M Saldaña, D F E Samtleben, M Sanguineti, P Sapienza, J Schnabel, F Schüssler, T Seitz, C Sieger, M Spurio, Th Stolarczyk, A Sánchez-Losa, M Taiuti, A Trovato, M Tselengidou, D Turpin, C Tönnis, B Vallage, C Vallée, V Van Elewyck, D Vivolo, S Wagner, J Wilms, J D Zornoza, J Zuñiga
Despite dedicated research has been carried out to adequately map the distribution of the sperm whale in the Mediterranean Sea, unlike other regions of the world, the species population status is still presently uncertain. The analysis of two years of continuous acoustic data provided by the ANTARES neutrino telescope revealed the year-round presence of sperm whales in the Ligurian Sea, probably associated with the availability of cephalopods in the region. The presence of the Ligurian Sea sperm whales was demonstrated through the real-time analysis of audio data streamed from a cabled-to-shore deep-sea observatory that allowed the hourly tracking of their long-range echolocation behaviour on the Internet...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28400593/rickettsial-seropositivity-in-the-indigenous-community-and-animal-farm-workers-and-vector-surveillance-in-peninsular-malaysia
#8
Kai Ling Kho, Fui Xian Koh, Lailatul Insyirah Mohd Hasan, Li Ping Wong, Masoumeh Ghane Kisomi, Awang Bulgiba, Quaza Nizamuddin Hassan Nizam, Sun Tee Tay
Rickettsioses are emerging zoonotic diseases that are often neglected in many countries in Southeast Asia. Rickettsial agents are transmitted to humans through exposure to infected arthropods. Limited data are available on the exposure of indigenous community and animal farm workers to the aetiological agents and arthropod vectors of rickettsioses in Peninsular Malaysia. Serological analysis of Rickettsia conorii and Rickettsia felis was performed for 102 individuals from the indigenous community at six rural villages and 87 workers from eight animal farms in Peninsular Malaysia in a cross-sectional study...
April 12, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28399300/diversity-of-flea-siphonaptera-parasites-on-red-foxes-vulpes-vulpes-in-romania
#9
P Foley, J Foley, A D Sándor, A M Ionica, I A Matei, G D'Amico, C M Gherman, C Dom A, A D Mihalca
Red foxes (Vulpes vulpes (L.)) are widespread across Europe, tolerant of synanthropic ecosystems, and susceptible to diseases potentially shared with humans and other animals. We describe flea fauna on red foxes in Romania, a large, ecologically diverse country, in part because fleas may serve as an indicator of the risk of spillover of vector-borne disease. We found 912 individual fleas of seven species on the 305 foxes assessed, for an infestation prevalence of 49.5%. Mean flea load per fox was 5.8 (range 0-44 fleas), and flea detections were most abundant in fall and early spring...
March 25, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399271/high-prevalence-of-rickettsia-spp-in-dog-fleas-siphonaptera-pulicidae-in-rural-uganda
#10
Ana M Palomar, Aitor Cevidanes, Aránzazu Portillo, Gladis Kalema-Zikusoka, Andrea D Chirife, Lourdes Romero, Jesús Muro, Lawrence Mugisha, José A Oteo, Javier Millán
Fleas are known vectors of zoonotic agents. Thirty-five fleas, including 28 Ctenocephalides felis (Bouché), four Pulex irritans (L.), and three Echidnophaga gallinacea (Westwood) from 19 rural dogs from southwestern Uganda were analyzed for the presence of Rickettsia spp. (ompB, gltA, and 17 kDa fragment genes) and Bartonella spp. (rpoB and ITS genes) by PCR. Rickettsial DNA was detected in 27 out of 28 of Ct. felis and in two out of four P. irritans. None of the E. gallinacea specimens harbored Rickettsia DNA...
March 23, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399259/effect-of-rickettsia-felis-strain-variation-on-infection-transmission-and-fitness-in-the-cat-flea-siphonaptera-pulicidae
#11
Sean P Healy, Lisa D Brown, Melena R Hagstrom, Lane D Foil, Kevin R Macaluso
Rickettsia felis is a human pathogen transmitted by the cat flea, Ctenocephalides felis (Bouché) (str. LSU), as well as an obligate symbiont of the parthenogenic booklouse Liposcelis bostrychophila (Badonnel) (str. LSU-Lb). The influence of genetic variability in these two strains of R. felis on host specialization and fitness and possible resulting differences on infection and transmission kinetics in C. felis is unknown. Utilizing an artificial host system, cat fleas were exposed to a R. felis str. LSU-Lb-infected bloodmeal and monitored for infection at 7-d intervals for 28 d...
March 2, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399210/first-detection-of-rickettsia-typhi-and-rickettsia-felis-in-fleas-collected-from-client-owned-companion-animals-in-the-southern-great-plains
#12
Bruce H Noden, Suzanna Davidson, Jessica Lynn Smith, Faithful Williams
Flea-borne rickettsiosis occurs worldwide and includes a number of pathogens, namely, Rickettsia typhi and Rickettsia felis. Most studies in the United States have occurred in southern Texas and California where flea-borne rickettsiosis is endemic, resulting in a lack of information from other regions of the country. Between March and August 2016, 222 fleas were collected from 52 client-owned dogs and cats in two urban areas in Oklahoma. Fleas were identified using morphological characteristics then pooled and tested by polymerase chain reaction (PCR) using published primers for gltA, ompB, and 17-kDa...
March 25, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399204/detection-of-a-novel-rickettsia-from-leptotrombidium-scutellare-mites-acari-trombiculidae-from-shandong-of-china
#13
Yuting Huang, Li Zhao, Zhentang Zhang, Miaomiao Liu, Zaifeng Xue, Dongqiang Ma, Xifeng Sun, Yue Sun, Chuanmin Zhou, Xiangrong Qin, Yelei Zhu, Wenqian Li, Hao Yu, Xue-Jie Yu
Leptotrombidium scutellare mites, the vector of Orientia tsutsugamushi, have rarely been reported to associate with Rickettsia species. Three hundred nineteen chiggers were collected from the ears of 32 rodents captured in Huangdao District of Qingdao City, China, in October 2015. The chigger samples were tested for Rickettsia, severe fever with thrombocytopenia syndrome virus, and hantavirus by PCR or RT-PCR amplification. All mites were classified morphologically and molecularly as L. scutellare chiggers...
February 17, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28395752/efficacy-of-a-new-spot-on-formulation-of-selamectin-plus-sarolaner-for-cats-against-adult-ctenocephalides-felis-flea-egg-production-and-adult-flea-emergence
#14
Adriano F Vatta, William R Everett, Susan J Holzmer, Judith A Cherni, Vickie L King, Douglas Rugg, Thomas Geurden
A new spot-on formulation of selamectin plus sarolaner was evaluated against fleas for adulticidal efficacy, and for the effect on egg production and hatching when applied to flea-infested cats. Ten male and ten female adult domestic shorthair cats were randomly assigned to one of two treatment groups based on pre-treatment flea counts. Cats received topical treatment on Day 0 in a single spot to the dorsal scapular area with either a placebo formulation or with the combination formulation at the minimal dose of 6...
April 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28395751/efficacy-and-speed-of-kill-of-a-new-spot-on-formulation-of-selamectin-plus-sarolaner-against-flea-infestations-in-cats
#15
Csilla Becskei, Judith A Cherni, Adriano F Vatta, Vickie L King, Dan Lin, Douglas Rugg
The efficacy of a new spot-on formulation of selamectin plus sarolaner against induced flea infestations in cats was confirmed in three placebo-controlled, blinded studies. Purpose-bred adult cats (n=8/group) were blocked by pre-treatment flea counts and randomly allocated to treatment with either a placebo or with the spot-on formulation at the minimum dose of 6.0mg selamectin and 1.0mg sarolaner per kg bodyweight. Treatments were applied topically once on Day 0. All cats were infested with approximately 100 unfed, adult Ctenocephalides felis prior to treatment and at weekly intervals for 5 weeks...
April 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28385003/infection-to-pathogens-with-different-transmission-modes-in-feral-cats-from-urban-and-rural-areas-of-korea
#16
Jusun Hwang, Nicole Gottdenker, Dae-Hyun Oh, Hang Lee, Myung-Sun Chun
In this study, we examine the prevalence of three infectious pathogens with different transmission modes (Bartonella henselae, hemoplasma and Toxoplasma gondii) in feral cats (Felis catus) from two unique habitat types, urban and rural. We determined the infection status of three pathogens in blood samples (total N=117) through molecular or serological diagnostic methods. Overall prevalence of hemoplasma, T. gondii and B. henselae was 47.9%, 50% and 35.7%, respectively. Only seroprevalence of B. henselae was significantly higher in urban cats...
April 6, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28379569/one-health-pathogens-in-the-aspergillus-viridinutans-complex
#17
Jessica J Talbot, Vanessa R Barrs
Cryptic species in Aspergillus section Fumigati are increasingly recognised as pathogens in humans and animals. The A. viridinutans complex (AVC) has recently expanded to comprise 10 species, of which six are known to be pathogenic, including A. udagawae, A. felis, A. pseudofelis, A. parafelis, A. pseudoviridinutans, and A. wyomingensis. They cause locally invasive and disseminated invasive disease syndromes, including chronic pulmonary aspergillosis and invasive aspergillosis in humans, invasive fungal rhinosinusitis in cats, and disseminated invasive aspergillosis in dogs...
March 31, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28367842/epidemiological-study-on-feline-gastric-helicobacter-spp-in-japan
#18
Sanae Kubota-Aizawa, Koichi Ohno, Hideyuki Kanemoto, Ko Nakashima, Kenjiro Fukushima, Kazuyuki Uchida, James K Chambers, Yuko Goto-Koshino, Hitomi Mimuro, Takayasu Watanabe, Tsutomu Sekizaki, Hajime Tsujimoto
Epidemiological and pathological studies on Helicobacter spp. in feline stomachs in Japan were conducted using genus- and species-specific (H. felis, H. bizzozeronii, H. heilmannii sensu stricto[s.s.] and H. pylori) polymerase chain reactions (PCRs), ureAB gene sequencing and histopathology. PCR results showed that 28 of 56 cats were infected with Helicobacter spp., and H. heilmannii s.s. was the most prevalent species by both PCR (28/28) and ureAB gene sequencing (26/28). Some of the sequences showed high similarities with those from human patients with gastric diseases (99%)...
March 26, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28358996/multiple-viral-plaques-with-sebaceous-differentiation-associated-with-an-unclassified-papillomavirus-type-in-a-cat
#19
J S Munday, S Marshall, N A Thomson, M Kiupel, R W Heathcott, A French
CASE HISTORY AND CLINICAL FINDINGS A 15-year-old neutered male domestic short-haired cat was presented due to multiple 0.5-2 cm-diameter crusting plaques in the left preauricular region, over the bridge of nose, and in the right periocular region. The plaques did not appear to cause discomfort. HISTOPATHOLOGICAL FINDINGS Biopsy samples of four plaques were examined histologically. Three plaques consisted of well-demarcated foci of mild epidermal hyperplasia overlying markedly hyperplastic sebaceous glands...
April 20, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28356105/first-clinical-case-report-of-cytauxzoon-sp-infection-in-a-domestic-cat-in-france
#20
Jean-Pierre Legroux, Lénaïg Halos, Magalie René-Martellet, Marielle Servonnet, Jean-Luc Pingret, Gilles Bourdoiseau, Gad Baneth, Luc Chabanne
BACKGROUND: Feline cytauxzoonosis is an emerging infection caused by tick-transmitted apicomplexan parasites of the genus Cytauxzoon. The association of clinical disease with Cytauxzoon infection appears to be limited to C. felis infections in the Americas. Sporadic infections of wild and domestic felids with Cytauxzoon sp. were recently described in European countries but clinical reports of the infection are rare and incomplete. This case report brings new interesting information on cytauxzoonosis expression in Europe...
March 29, 2017: BMC Veterinary Research
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