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https://www.readbyqxmd.com/read/29649265/bacterial-and-protozoal-pathogens-found-in-ticks-collected-from-humans-in-corum-province-of-turkey
#1
Djursun Karasartova, Ayse Semra Gureser, Tuncay Gokce, Bekir Celebi, Derya Yapar, Adem Keskin, Selim Celik, Yasemin Ece, Ali Kemal Erenler, Selma Usluca, Kosta Y Mumcuoglu, Aysegul Taylan-Ozkan
BACKGROUND: Tick-borne diseases are increasing all over the word, including Turkey. The aim of this study was to determine the bacterial and protozoan vector-borne pathogens in ticks infesting humans in the Corum province of Turkey. METHODOLOGY/PRINCIPAL FINDINGS: From March to November 2014 a total of 322 ticks were collected from patients who attended the local hospitals with tick bites. Ticks were screened by real time-PCR and PCR, and obtained amplicons were sequenced...
April 12, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29642384/tracking-the-continuous-evolutionary-processes-of-an-endogenous-retrovirus-of-the-domestic-cat-erv-dc
#2
REVIEW
Junna Kawasaki, Kazuo Nishigaki
An endogenous retrovirus (ERV) is a remnant of an ancient retroviral infection in the host genome. Although most ERVs have lost their viral productivity, a few ERVs retain their replication capacity. In addition, partially inactivated ERVs can present a potential risk to the host via their encoded virulence factors or the generation of novel viruses by viral recombination. ERVs can also eventually acquire a biological function, and this ability has been a driving force of host evolution. Therefore, the presence of an ERV can be harmful or beneficial to the host...
April 6, 2018: Viruses
https://www.readbyqxmd.com/read/29609620/high-mitochondrial-sequence-divergence-in-synanthropic-flea-species-insecta-siphonaptera-from-europe-and-the-mediterranean
#3
Sándor Hornok, Relja Beck, Róbert Farkas, Andrea Grima, Domenico Otranto, Jenő Kontschán, Nóra Takács, Gábor Horváth, Krisztina Szőke, Sándor Szekeres, Gábor Majoros, Alexandra Juhász, Harold Salant, Regina Hofmann-Lehmann, Michal Stanko, Gad Baneth
BACKGROUND: Adult fleas are haematophagous ectoparasites of warm-blooded vertebrates, particularly mammals. Among them, the cat flea (Ctenocephalides felis) and the human flea (Pulex irritans) have high veterinary-medical significance, owing to their cosmopolitan distribution and role in the transmission of important vector-borne pathogens. While the taxonomy of Ct. felis has been investigated on a morphological basis during the past decades, its molecular-phylogenetic analyses have been only recently conducted...
April 2, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29588507/human-mediated-dispersal-of-cats-in-the-neolithic-central-europe
#4
Mateusz Baca, Danijela Popović, Hanna Panagiotopoulou, Adrian Marciszak, Magdalena Krajcarz, Maciej T Krajcarz, Daniel Makowiecki, Piotr Węgleński, Adam Nadachowski
Archeological and genetic evidence suggest that all domestic cats derived from the Near Eastern wildcat (Felis silvestris lybica) and were first domesticated in the Near East around 10,000 years ago. The spread of the domesticated form in Europe occurred much later, primarily mediated by Greek and Phoenician traders and afterward by Romans who introduced cats to Western and Central Europe around 2000 years ago. We investigated mtDNA of Holocene Felis remains and provide evidence of an unexpectedly early presence of cats bearing the Near Eastern wildcat mtDNA haplotypes in Central Europe, being ahead of Roman period by over 2000 years...
March 28, 2018: Heredity
https://www.readbyqxmd.com/read/29580076/analyses-of-separate-and-concatenated-cox1-and-18s-rrna-gene-sequences-indicate-that-the-bat-piroplasm-babesia-vesperuginis-is-phylogenetically-close-to-cytauxzoon-felis-and-the-prototheilerid-babesia-conradae
#5
Sándor Hornok, Alexandra Corduneanu, Jenő Kontschán, Katinka Bekő, Krisztina Szőke, Tamás Görföl, Miklós Gyuranecz, Attila D Sándor
Babesia vesperuginis is the only piroplasm known to infect bats. Unlike most members of the genus Babesia, it is probably transmitted by a soft tick species (i.e. Argas vespertilionis). Recently, two studies have been conducted to clarify the phylogenetic status of this species, and both agreed on placing it into a basal position among Babesia sensu stricto (s.s.). However, several important groups of piroplasms were not included in the already reported phylogenetic trees of B. vesperuginis isolates. Therefore, the aim of the present study was to amplify an approx...
March 2018: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/29559153/chronic-cytauxzoon-felis-infections-in-wild-caught-bobcats-lynx-rufus
#6
Elliott A Zieman, Clayton K Nielsen, F Agustín Jiménez
Cytauxzoon felis, and the resulting disease, cytauxzoonosis, is an emerging threat to domestic cats in the Midwest and Southeastern United States. Domestic cats that survive cytauxzoonosis (or are subclinically infected) are chronically infected with C. felis, yet to date, there is no information relative to chronic infections in bobcats, the natural reservoir. Over a period of 3.5 years (2014-2017), we captured and re-captured 5 bobcats in southern Illinois. One bobcat was captured each year of trapping, 1 was caught in the first and third year and 3 were recaptured approximately 1 year apart...
March 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29559005/ctenocephalides-canis-is-the-dominant-flea-species-of-dogs-in-the-republic-of-korea
#7
Kyu-Sung Ahn, Shin-Eui Huh, Sang-Woo Seol, Ha-Jung Kim, Kuk-Hyun Suh, SungShik Shin
BACKGROUND: The status of flea infestation in dogs is an important public health concern because of their cosmopolitan distribution worldwide and the flea-borne disease transmission. In the present study, we investigated the flea infestation among 116 outdoor dogs (57 females and 59 males) in 8 rural areas of Jeonnam Province, Republic of Korea. RESULTS: Thirty-three dogs (28.4%) were infested with fleas, and all dogs were infested with Ctenocephalides canis. One dog from Hampyeong was co-infested with Ctenocephalides felis orientis, but no dogs were infested with Ctenocephalides felis felis...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29558992/anaplasma-phagocytophilum-bartonella-spp-haemoplasma-species-and-hepatozoon-spp-in-ticks-infesting-cats-a-large-scale-survey
#8
Florent Duplan, Saran Davies, Serina Filler, Swaid Abdullah, Sophie Keyte, Hannah Newbury, Chris R Helps, Richard Wall, Séverine Tasker
BACKGROUND: Ticks derived from cats have rarely been evaluated for the presence of pathogens. The aim of this study was to determine the prevalence of Anaplasma phagocytophilum, Bartonella spp., haemoplasma species and Hepatozoon spp. in ticks collected from cats in the UK. METHODS: Five hundred and forty DNA samples extracted from 540 ticks collected from cats presenting to veterinarians in UK practices were used. Samples underwent a conventional generic PCR assay for detection of Hepatozoon spp...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29554953/the-epidemiology-of-rickettsia-felis-infecting-fleas-of-companion-animals-in-eastern-australia
#9
Yen Thon Teoh, Sze Fui Hii, Stephen Graves, Robert Rees, John Stenos, Rebecca Justine Traub
BACKGROUND: Flea-borne spotted fever (FBSF) caused by Rickettsia felis is an arthropod-borne zoonosis. This study aimed to determine the prevalence, primary species and genotype(s) of R. felis infecting fleas from dogs and cats. RESULTS: All fleas were identified as Ctenocephalides felis felis. All rickettsial DNA detected in fleas was identified as being 100% homologous to R. felis URRWXCal2, with positivity within tropical, subtropical and temperate regions noted at 6...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29554946/molecular-detection-of-anaplasma-bovis-ehrlichia-canis-and-hepatozoon-felis-in-cats-from-luanda-angola
#10
Ana Cristina Oliveira, Maria Francisca Luz, Sara Granada, Hugo Vilhena, Yaarit Nachum-Biala, Ana Patrícia Lopes, Luís Cardoso, Gad Baneth
BACKGROUND: Molecular identification of tick-borne pathogen infection in cats from Africa is scarce. The presence of bacterial (Anaplasma and Ehrlichia) and protozoal (Babesia and Hepatozoon) agents was investigated in blood samples from 102 domestic cats from Luanda, Angola, by polymerase chain reaction and DNA sequencing. RESULTS: Three cats (2.9%) were found infected with Ehrlichia canis, three (2.9%) with Hepatozoon felis and one (1.0%) with Anaplasma bovis...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29554931/clinical-evaluation-of-outdoor-cats-exposed-to-ectoparasites-and-associated-risk-for-vector-borne-infections-in-southern-italy
#11
Maria Flaminia Persichetti, Maria Grazia Pennisi, Angela Vullo, Marisa Masucci, Antonella Migliazzo, Laia Solano-Gallego
BACKGROUND: Cats can be carriers of infected arthropods and be infected with several vector-borne pathogens (VBP) but there is limited knowledge about their pathogenic role in cats. RESULTS: A cross-sectional controlled study investigated the clinical status and antibody (Bartonella henselae, Rickettsia conorii, Ehrlichia canis, Anaplasma phagocytophilum, Babesia microti and Leishmania infantum) and/or blood PCR (Mycoplasma spp., Bartonella spp., Rickettsia spp...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29553921/rickettsial-illnesses-as-important-causes-of-febrile-illness-in-chittagong-bangladesh
#12
Hugh W Kingston, Mosharraf Hossain, Stije Leopold, Tippawan Anantatat, Ampai Tanganuchitcharnchai, Ipsita Sinha, Katherine Plewes, Richard J Maude, M A Hassan Chowdhury, Sujat Paul, Rabiul Alam Mohammed Erfan Uddin, Mohammed Abu Naser Siddiqui, Abu Shahed Zahed, Abdullah Abu Sayeed, Mohammed Habibur Rahman, Anupam Barua, Mohammed Jasim Uddin, Mohammed Abdus Sattar, Arjen M Dondorp, Stuart D Blacksell, Nicholas P J Day, Aniruddha Ghose, Amir Hossain, Daniel H Paris
We conducted a yearlong prospective study of febrile patients admitted to a tertiary referral hospital in Chittagong, Bangladesh, to assess the proportion of patients with rickettsial illnesses and identify the causative pathogens, strain genotypes, and associated seasonality patterns. We diagnosed scrub typhus in 16.8% (70/416) and murine typhus in 5.8% (24/416) of patients; 2 patients had infections attributable to undifferentiated Rickettsia spp. and 2 had DNA sequence-confirmed R. felis infection. Orientia tsutsugamushi genotypes included Karp, Gilliam, Kato, and TA763-like strains, with a prominence of Karp-like strains...
April 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29553911/polychlorobiphenyl-levels-in-the-serum-of-cats-from-residential-flats-in-italy-role-of-the-indoor-environment
#13
Francesco Paolo Serpe, Filomena Fiorito, Mauro Esposito, Angelo Ferrari, Federico Fracassi, Roberto Miniero, Marco Pietra, Paola Roncada, Gianfranco Brambilla
The domestic cat (Felis catus) was used as a sentinel of exposure to polychlorobiphenyls (PCBs) in indoor urban environments y. Sera from 120 cats were pooled to form 30 different groups selected by age (<2 years; > 2 ≤ 8 years; > 8 years), sex, municipality (Bologna and Turin) and environment (indoor vs. outdoor). Test portions of 1 mL were analyzed by means of gas chromatography coupled to high-resolution mass spectrometry (GC-HRMS) for six selected indicators non-dioxin-like PCBs (∑6 PCBs: congeners #28, #52, #101, #132, #153 and #180) and the results were computed in the upper-bound mode...
March 19, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29546382/comparison-of-flea-siphonaptera-burdens-on-the-endangered-san-joaquin-kit-fox-vulpes-macrotis-mutica-carnivora-canidae-inhabiting-urban-and-nonurban-environments-in-central-valley-california
#14
Ashley Jane Riner, Jaime L Rudd, Deana L Clifford, Brian L Cypher, Janet E Foley, Patrick Foley
The San Joaquin kit fox (Vulpes macrotis mutica Merriam (Carnivora, Canidae)) is an endangered small carnivore endemic to the San Joaquin Valley of California. Commercial and agricultural land expansion has contributed to the species' decline and invasion of more cosmopolitan species, providing means for potential ecological shifts in disease vector and host species. Fleas are common ectoparasites that can serve as important indicators of cross-species interactions and disease risk. We compared flea load and species composition on kit foxes inhabiting urban and nonurban habitats to determine how urbanization affects flea diversity and potential disease spillover from co-occurring species...
March 13, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29541856/molecular-survey-of-its1-spacer-and-rickettsia-infection-in-human-flea-pulex-irritans
#15
Mohammad Bagher Ghavami, Habibeh Mirzadeh, Jamshid Mohammadi, Asghar Fazaeli
The human flea is an important ectoparasite causing serious public health problems worldwide. Planning and monitoring the control programs against this vector require the knowledge of population structure and vector competence. This study was carried out to identify molecular structure of internal transcribed spacer 1 (ITS1) of ribosomal gene and its capability in the survey of Pulex irritans populations as well as to investigate Rickettsia infection in these populations. Flea samples were collected via human baits from animal farms in two districts of Zanjan Province, northwest of Iran...
March 14, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29538321/molecular-diagnosis-of-felis-catus-gammaherpesvirus-1-fcaghv1-infection-in-cats-of-known-retrovirus-status-with-and-without-lymphoma
#16
Alicia J McLuckie, Vanessa R Barrs, Scott Lindsay, Mahdis Aghazadeh, Cheryl Sangster, Julia A Beatty
The pathogenicity of Felis catus gammaherpesvirus 1 (FcaGHV1), a common infection of domestic cats, is unknown. To explore an association between FcaGHV1 detection and feline lymphoma, a retrospective, cross-sectional, disease-association study was conducted. The infection status of all cats for feline immunodeficiency virus and feline leukaemia virus was determined. Neither a molecular diagnosis of FcaGHV1 nor whole-blood FcaGHV1 load was related to outcome in 122 lymphoma cases compared with 71 controls matched for age and sex...
March 14, 2018: Viruses
https://www.readbyqxmd.com/read/29528299/high-density-of-fox-and-cat-faeces-in-kitchen-gardens-and-resulting-rodent-exposure-to-echinococcus-multilocularis-and-toxoplasma-gondii
#17
Matthieu Bastien, Amelie Vaniscotte, Benoit Combes, Gerald Umhang, Estelle Germain, Valentin Gouley, Alice Pierlet, Thomas Quintaine, Marie-Amelie Forin-Wiart, Isabelle Villena, Dominique Aubert, Franck Boue, Marie-Lazarine Poulle
The faeces of the red fox, Vulpes vulpes (Linnaeus), and the domestic cat, Felis catus (Linnaeus), can be responsible for spreading eggs of Echinococcus multilocularis Leuckart, 1863 and oocysts of Toxoplasma gondii (Nicolle et Manceaux, 1908) into the environment. The accidental ingestion of these eggs or oocysts, through consumption of raw fruits or vegetables grown in or in contact with contaminated soil, can lead to alveolar echinococcosis (AE) or toxoplasmosis in humans. The present study provides a quantitative assessment of the faecal deposition by foxes and cats in kitchen gardens where fruits and vegetables are grown and its consequences for zoonosis transmission...
March 8, 2018: Folia Parasitologica
https://www.readbyqxmd.com/read/29504825/prevalence-of-microorganisms-associated-with-feline-gingivostomatitis
#18
Hitoshi Nakanishi, Masaru Furuya, Takehisa Soma, Yoshiki Hayashiuchi, Ryusaku Yoshiuchi, Makoto Matsubayashi, Hiroyuki Tani, Kazumi Sasai
Objectives Feline gingivostomatitis (FGS) is a painful chronic inflammatory disease of the oral cavity. The purpose of the study was to examine the frequency of detection of certain common feline bacteria and viruses to determine any potential associations with FGS. Methods A multicentre case-control study design was conducted. In total, 72 control cats and 32 cats with FGS were included in the study. Oral swabs were cultured for bacterial identification and a PCR assay was carried out to examine the infection of feline calicivirus (FCV), feline herpesvirus-1 (FHV-1), Chlamydia felis, Mycoplasma felis and Bordetella bronchiseptica...
March 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29494848/bacterially-activated-b-cells-drive-t-cell-differentiation-towards-tr1-through-pd-1-pd-l1-expression
#19
Sawsan Sudqi Said, Guliz Tuba Barut, Nesteren Mansur, Asli Korkmaz, Ayca Sayi-Yazgan
Regulatory B cells (Bregs) play a crucial role in immunological tolerance primarily through the production of IL-10 in many diseases including autoimmune disorders, allergy, infectious diseases, and cancer. To date, various Breg subsets with overlapping phenotypes have been identified. However, the roles of Bregs in Helicobacter infection are largely unknown. In the present study, we investigate the phenotype and function of Helicobacter -stimulated B cells. Our results demonstrate that Helicobacter felis -stimulated IL-10- producing B cells (Hfstim - IL-10+ B) are composed of B10 and Transitional 2 Marginal Zone Precursor (T2-MZP) cells with expression of CD9, Tim-1, and programmed death 1 (PD-1)...
April 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29491992/visual-classification-of-feral-cat-felis-silvestris-catus-vocalizations
#20
Jessica L Owens, Mariana Olsen, Amy Fontaine, Christopher Kloth, Arik Kershenbaum, Sara Waller
Cat vocal behavior, in particular, the vocal and social behavior of feral cats, is poorly understood, as are the differences between feral and fully domestic cats. The relationship between feral cat social and vocal behavior is important because of the markedly different ecology of feral and domestic cats, and enhanced comprehension of the repertoire and potential information content of feral cat calls can provide both better understanding of the domestication and socialization process, and improved welfare for feral cats undergoing adoption...
June 2017: Current Zoology
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