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https://www.readbyqxmd.com/read/29678402/golden-jackals-canis-aureus-as-hosts-for-ticks-and-tick-borne-pathogens-in-serbia
#1
Ratko Sukara, Dimosthenis Chochlakis, Duško Ćirović, Aleksandra Penezić, Darko Mihaljica, Sanja Ćakić, Miroslav Valčić, Yannis Tselentis, Anna Psaroulaki, Snežana Tomanović
The golden jackal (Canis aureus) is a medium-sized canid species native to Europe. This species is characterized by rapid large-scale expansion. A similar trend is also observed in Serbia, where the species is now distributed in more than a half of the territory. Although jackals prefer habitats in human-dominated landscapes, these animals have not been studied well enough from an eco-epidemiological point of view, and little is known about their potential for carrying zoonotic pathogens. In a study conducted during a three-year period (01/2010-02/2013), a total of 216 hunted or road-killed golden jackals were collected from 10 localities in Serbia...
April 10, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29668398/bartonella-henselae-and-rickettsia-felis-detected-in-cat-fleas-ctenocephalides-felis-derived-from-eastern-austrian-cats
#2
Georg Gerhard Duscher, Adnan Hodžić, Aleksandar Potkonjak, Michael W Leschnik, Joachim Spergser
Cats and cat fleas (Ctenocephalides felis) are vectors of the zoonotic bacterial pathogens Bartonella henselae and Rickettsia felis, which are the causative agents of "cat scratch disease" and "cat flea typhus," respectively. In the surroundings of Vienna (Austria), we identified 11 (10.5%; n = 105) B. henselae-positive fleas originating from 8 cats (20.5%; n = 39). One flea was positive for R. felis. There should be high levels of awareness among veterinarians and animal keepers as to the handling of cats, especially if free roaming, stray, or feral...
April 18, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29664950/body-lice-of-homeless-people-reveal-the-presence-of-several-emerging-bacterial-pathogens-in-northern-algeria
#3
Meriem Louni, Nassima Mana, Idir Bitam, Mustapha Dahmani, Philippe Parola, Florence Fenollar, Didier Raoult, Oleg Mediannikov
BACKGROUND: Human lice, Pediculus humanus, are obligate blood-sucking parasites. Body lice, Pediculus h. humanus, occur in two divergent mitochondrial clades (A and D) each exhibiting a particular geographic distribution. Currently, the body louse is recognized as the only vector for louse-borne diseases. In this study, we aimed to study the genetic diversity of body lice collected from homeless populations in three localities of northern Algeria, and to investigate louse-borne pathogens in these lice...
April 17, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29664701/prevalence-of-selected-zoonotic-diseases-and-risk-factors-at-a-human-wildlife-livestock-interface-in-mpumalanga-province-south-africa
#4
Gregory J G Simpson, Vanessa Quan, John Frean, Darryn L Knobel, Jennifer Rossouw, Jacqueline Weyer, Tanguy Marcotty, Jacques Godfroid, Lucille H Blumberg
A lack of surveillance and diagnostics for zoonotic diseases in rural human clinics limits clinical awareness of these diseases. We assessed the prevalence of nine zoonotic pathogens in a pastoral, low-income, HIV-endemic community bordering wildlife reserves in South Africa. Two groups of participants were included: malaria-negative acute febrile illness (AFI) patients, called febrilers, at three clinics (n = 74) and second, farmers, herders, and veterinary staff found at five government cattle dip-tanks, called dip-tanksters (n = 64)...
April 17, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29664377/characterization-of-clinical-isolates-of-bartonella-henselae-strains-south-korea
#5
Hea Yoon Kwon, Young Kyoung Park, Sun Myoung Lee, Ji Hyeon Baek, Jae-Seung Kang, Moon-Hyun Chung, Eun Ji Kim, Jin-Soo Lee
Bartonella henselae, a gram-negative bacterium, is a common causative agent of zoonotic infections. We report 5 culture-proven cases of B. henselae infection in South Korea. By alignment of the 16S rRNA sequences and multilocus sequencing typing analysis, we identified all isolates as B. henselae Houston-1 strain, which belongs to sequence type 1.
May 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29664374/bartonella-henselae-dna-in-seronegative-patients-with-cat-scratch-disease
#6
Masashi Yanagihara, Hidehiro Tsuneoka, Ayano Tanimoto, Ken-Ichiro Otsuyama, Jun Nishikawa, Tomohiro Matsui, Junzo Nojima, Kiyoshi Ichihara
We used real-time PCR to detect Bartonella henselae DNA in 7.9% (5/63) of blood specimens from seronegative patients in Japan suspected of having cat-scratch disease. The combined use of serologic tests and real-time PCR to analyze blood specimens is recommended for the prompt, noninvasive laboratory diagnosis of cat-scratch disease.
May 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29657007/update-on-flea-and-tick-associated-diseases-of-cats
#7
Michael R Lappin
There are multiple vector-borne diseases in cats, the most prominent being those transmitted by mosquitos, sand flies, fleas, and ticks. Many of the agents vectored by fleas or ticks have been grown or amplified from blood or have induced antibodies in the serum of normal cats or those with clinical signs like fever and will be the focus of this manuscript. As high as 80% of fleas collected from cats contain at least one organism that could induce illness in cats or people. Anaplasma phagocytophilum, Bartonella spp...
April 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29652646/molecular-survey-of-head-and-body-lice-pediculus-humanus-in-france
#8
Kerdalidec Candy, Nadia Amanzougaghene, Arezki Izri, Sophie Brun, Rémy Durand, Meriem Louni, Didier Raoult, Florence Fenollar, Oleg Mediannikov
Human lice, Pediculus humanus, are obligate blood-sucking parasites. Phylogenetically, they belong to several mitochondrial clades exhibiting some geographic differences. Currently, the body louse is the only recognized disease vector, with the head louse being proposed as an additional vector. In this article, we study the genetic diversity of head and body lice collected from Bobigny, a town located close to Paris (France), and look for louse-borne pathogens. By amplifying and sequencing the cytb gene, we confirmed the presence of clades A and B in France...
March 20, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29652641/molecular-detection-of-bartonella-species-in-blood-feeding-bat-flies-from-mexico
#9
Alexandra E Moskaluk, Matthew J Stuckey, David A Jaffe, Rickie W Kasten, Alvaro Aguilar-Setién, José Ignacio Olave-Leyva, Guillermo Galvez-Romero, Cirani Obregón-Morales, Mónica Salas-Rojas, María Martha García-Flores, Nidia Aréchiga-Ceballos, Anahí García-Baltazar, Bruno B Chomel
Bartonellae are emerging blood-borne bacteria that have been recovered from a wide range of mammalian species and arthropod vectors around the world. Bats are now recognized as a potential wildlife reservoir for a diverse number of Bartonella species, including the zoonotic Candidatus B. mayotimonensis. These bat-borne Bartonella species have also been detected in the obligate ectoparasites of bats, such as blood-feeding flies, which could transmit these bacteria within bat populations. To better understand this potential for transmission, we investigated the relatedness between Bartonella detected or isolated from bat hosts sampled in Mexico and their ectoparasites...
March 13, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29649265/bacterial-and-protozoal-pathogens-found-in-ticks-collected-from-humans-in-corum-province-of-turkey
#10
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/29608282/genetic-engineering-of-bee-gut-microbiome-bacteria-with-a-toolkit-for-modular-assembly-of-broad-host-range-plasmids
#11
Sean P Leonard, Jiri Perutka, J Elijah Powell, Peng Geng, Darby Richhart, Michelle Byrom, Shaunak Kar, Bryan W Davies, Andrew D Ellington, Nancy Moran, Jeffrey E Barrick
Engineering the bacteria present in animal microbiomes promises to lead to breakthroughs in medicine and agriculture, but progress is hampered by a dearth of tools for genetically modifying the diverse species that comprise these communities. Here we present a toolkit of genetic parts for the modular construction of broad-host-range plasmids built around the RSF1010 replicon. Golden Gate assembly of parts in this toolkit can be used to rapidly test various antibiotic resistance markers, promoters, fluorescent reporters and other coding sequences in newly isolated bacteria...
April 2, 2018: ACS Synthetic Biology
https://www.readbyqxmd.com/read/29594802/molecular-strategy-for-the-diagnosis-of-infectious-lymphadenitis
#12
Elsa Prudent, Bernard La Scola, Michel Drancourt, Emmanouil Angelakis, Didier Raoult
Molecular methods have been considered to be the gold standard for the diagnosis of infectious lymphadenitis. However, culture remains critical in the case of low bacterial concentrations. We used molecular assays and culture to examine fresh lymph node biopsies from patients with suspected infectious lymphadenopathy. We analyzed 1762 lymph node biopsies of which 522 (30%) samples were found positive by real-time PCR; the most commonly amplified bacteria were Bartonella henselae (n = 438, 84%), Francisella tularensis (n = 46, 9%), and Mycobacterium spp...
March 29, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29561507/an-11-year-old-male-with-vertebral-osteomyelitis-and-a-paraspinal-abscess
#13
Ioannis Kopsidas, Rodanthi Margariti, Maria Gavra, Angeliki Syngelou, Christos Zambakidis, Maria Tsolia, Nikolaos Nikolaidis, Nikos Spyridis
We report the case of an 11 year-old immunocompetent patient presenting with a two-week history of upper back pain, diagnosed with thoracic vertebral osteomyelitis and a paraspinal abscess due to Bartonella henselae. He was treated with gentamicin and doxycycline followed by oral rifampicin and doxycycline with favorable outcome.
March 15, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29558992/anaplasma-phagocytophilum-bartonella-spp-haemoplasma-species-and-hepatozoon-spp-in-ticks-infesting-cats-a-large-scale-survey
#14
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/29554947/molecular-survey-of-neglected-bacterial-pathogens-reveals-an-abundant-diversity-of-species-and-genotypes-in-ticks-collected-from-animal-hosts-across-romania
#15
Martin O Andersson, Conny Tolf, Paula Tamba, Mircea Stefanache, Gabriel Radbea, Dimitrios Frangoulidis, Herbert Tomaso, Jonas Waldenström, Gerhard Dobler, Lidia Chitimia-Dobler
BACKGROUND: Ticks are transmitting a wide range of bacterial pathogens that cause substantial morbidity and mortality in domestic animals. The full pathogen burden transmitted by tick vectors is incompletely studied in many geographical areas, and extensive studies are required to fully understand the diversity and distribution of pathogens transmitted by ticks. RESULTS: We sampled 824 ticks of 11 species collected in 19 counties in Romania. Ticks were collected mainly from dogs, but also from other domestic and wild animals, and were subjected to molecular screening for pathogens...
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
#16
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/29554918/does-co-infection-with-vector-borne-pathogens-play-a-role-in-clinical-canine-leishmaniosis
#17
Marta Baxarias, Alejandra Álvarez-Fernández, Pamela Martínez-Orellana, Sara Montserrat-Sangrà, Laura Ordeix, Alicia Rojas, Yaarit Nachum-Biala, Gad Baneth, Laia Solano-Gallego
BACKGROUND: The severity of canine leishmaniosis (CanL) due to Leishmania infantum might be affected by other vector-borne organisms that mimic its clinical signs and clinicopathological abnormalities. The aim of this study was to determine co-infections with other vector-borne pathogens based on serological and molecular techniques in dogs with clinical leishmaniosis living in Spain and to associate them with clinical signs and clinicopathological abnormalities as well as disease severity...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29540455/improvement-of-bartonella-henselae-dna-detection-in-cat-blood-samples-by-combining-molecular-and-culture-methods
#18
Marina Rovani Drummond, Bruno Grosselli Lania, Pedro Paulo Vissoto de Paiva Diniz, Rovilson Gilioli, Daniele Masselli Rodrigues Demolin, Diana Gerardi Scorpio, Edward B Breitschwerdt, Paulo Eduardo Neves Ferreira Velho
Bartonella spp. constitute bacteria of worldwide distribution that cause asymptomatic to fatal infections in animals and humans. The most common zoonotic species is Bartonella henselae , for which cats are the major natural reservoir host. To better understand Bartonella sp. diagnostic limitations, we determined the frequency of bloodstream infection in 112 cats by comparing and combining the results of multiple conventional and nested PCRs from blood and liquid culture samples. Using liquid culture conventional PCR, Bartonella sp...
March 14, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29531144/livestock-abundance-predicts-vampire-bat-demography-immune-profiles-and-bacterial-infection-risk
#19
Daniel J Becker, Gábor Á Czirják, Dmitriy V Volokhov, Alexandra B Bentz, Jorge E Carrera, Melinda S Camus, Kristen J Navara, Vladimir E Chizhikov, M Brock Fenton, Nancy B Simmons, Sergio E Recuenco, Amy T Gilbert, Sonia Altizer, Daniel G Streicker
Human activities create novel food resources that can alter wildlife-pathogen interactions. If resources amplify or dampen, pathogen transmission probably depends on both host ecology and pathogen biology, but studies that measure responses to provisioning across both scales are rare. We tested these relationships with a 4-year study of 369 common vampire bats across 10 sites in Peru and Belize that differ in the abundance of livestock, an important anthropogenic food source. We quantified innate and adaptive immunity from bats and assessed infection with two common bacteria...
May 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29519505/bartonella-henselae-in-small-indian-mongooses-herpestes-auropunctatus-from-grenada-west-indies
#20
David A Jaffe, Bruno B Chomel, Rickie W Kasten, Edward B Breitschwerdt, Ricardo G Maggi, Ashleigh McLeish, Ulrike Zieger
Many mammals are established hosts for the vector borne bacterial genus, Bartonella. Small Indian mongooses (Herpestes auropunctatus) have only been reported as a possible host for Bartonella henselae in southern Japan. Confirming Bartonella presence in mongooses from other regions in the world may support their role as potential reservoirs of this human pathogen. Specifically, documenting Bartonella in Caribbean mongooses would identify a potential source of zoonotic risk with mongoose-human contact in the New World...
March 2018: Veterinary Microbiology
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