Full Text Journal Articles by
Author Sara Epis

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Effects of combined drug treatments on Plasmodium falciparum: In vitro assays with doxycycline, ivermectin and efflux pump inhibitors.

Riccardo Nodari, Yolanda Corbett, Ilaria Varotto-Boccazzi, Daniele Porretta, Donatella Taramelli, Sara Epis, Claudio Bandi,

There is great concern regarding the rapid emergence and spread of drug-resistance in Plasmodium falciparum, the parasite responsible for the most severe form of human malaria. Parasite populations resistant to some or all the currently available antimalarial treatments are present in different world regions. Considering the need for novel and ... Read more >>

PLoS ONE (PloS one)
[2020, 15(4):e0232171]

Cited: 0 times

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Rickettsia buchneri, symbiont of the deer tick Ixodes scapularis, can colonise the salivary glands of its host.

Alaa M Al-Khafaji, Stuart D Armstrong, Ilaria Varotto Boccazzi, Stefano Gaiarsa, Amit Sinha, Zhiru Li, Davide Sassera, Clotilde K S Carlow, Sara Epis, Benjamin L Makepeace,

Vertically-transmitted bacterial symbionts are widespread in ticks and have manifold impacts on the epidemiology of tick-borne diseases. For instance, they may provide essential nutrients to ticks, affect vector competence, induce immune responses in vertebrate hosts, or even evolve to become vertebrate pathogens. The deer or blacklegged tick Ixodes scapularis harbours ... Read more >>

Ticks Tick Borne Dis (Ticks and tick-borne diseases)
[2020, 11(1):101299]

Cited: 0 times

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Gene silencing through RNAi and antisense Vivo-Morpholino increases the efficacy of pyrethroids on larvae of Anopheles stephensi.

Agata Negri, Marco Ferrari, Riccardo Nodari, Edoardo Coppa, Valentina Mastrantonio, Sergio Zanzani, Daniele Porretta, Claudio Bandi, Sandra Urbanelli, Sara Epis,

BACKGROUND:Insecticides are still at the core of insect pest and vector control programmes. Several lines of evidence indicate that ABC transporters are involved in detoxification processes against insecticides, including permethrin and other pyrethroids. In particular, the ABCG4 gene, a member of the G subfamily, has consistently been shown to be ... Read more >>

Malar. J. (Malaria journal)
[2019, 18(1):294]

Cited: 0 times

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Tissue tropism and metabolic pathways of Midichloria mitochondrii suggest tissue-specific functions in the symbiosis with Ixodes ricinus.

Emanuela Olivieri, Sara Epis, Michele Castelli, Ilaria Varotto Boccazzi, Claudia Romeo, Alessandro Desirò, Chiara Bazzocchi, Claudio Bandi, Davide Sassera,

A wide range of arthropod species harbour bacterial endosymbionts in various tissues, many of them playing important roles in the fitness and biology of their hosts. In several cases, many different symbionts have been reported to coexist simultaneously within the same host and synergistic or antagonistic interactions can occur between ... Read more >>

Ticks Tick Borne Dis (Ticks and tick-borne diseases)
[2019, 10(5):1070-1077]

Cited: 1 time

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Insecticide Exposure Triggers a Modulated Expression of ABC Transporter Genes in Larvae of Anopheles gambiae s.s.

Valentina Mastrantonio, Marco Ferrari, Agata Negri, Tommaso Sturmo, Guido Favia, Daniele Porretta, Sara Epis, Sandra Urbanelli,

Insecticides remain a main tool for the control of arthropod vectors. The urgency to prevent the insurgence of insecticide resistance and the perspective to find new target sites, for the development of novel molecules, are fuelling the study of the molecular mechanisms involved in insect defence against xenobiotic compounds. In ... Read more >>

Insects (Insects)
[2019, 10(3):]

Cited: 3 times

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Molecular detection of vector-borne bacteria in bat ticks (Acari: Ixodidae, Argasidae) from eight countries of the Old and New Worlds.

Sándor Hornok, Krisztina Szőke, Marina L Meli, Attila D Sándor, Tamás Görföl, Péter Estók, Yuanzhi Wang, Vuong Tan Tu, Dávid Kováts, Sándor A Boldogh, Alexandra Corduneanu, Kinga M Sulyok, Miklós Gyuranecz, Jenő Kontschán, Nóra Takács, Ali Halajian, Sara Epis, Regina Hofmann-Lehmann,

BACKGROUND:Despite the increasingly recognized eco-epidemiological significance of bats, data from molecular analyses of vector-borne bacteria in bat ectoparasites are lacking from several regions of the Old and New Worlds. METHODS:During this study, six species of ticks (630 specimens) were collected from bats in Hungary, Romania, Italy, Kenya, South Africa, China, ... Read more >>

Parasit Vectors (Parasites & vectors)
[2019, 12(1):50]

Cited: 2 times

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Toxoplasma gondii infection in raptors from Italy: Seroepidemiology and risk factors analysis.

Alessia Libera Gazzonis, Sergio Aurelio Zanzani, Azzurra Santoro, Fabrizia Veronesi, Emanuela Olivieri, Luca Villa, Emanuele Lubian, Silvia Lovati, Fulvio Bottura, Sara Epis, Maria Teresa Manfredi,

Toxoplasma gondii is a zoonotic parasite infecting a wide range of intermediate hosts, including birds. Nevertheless, scant information on the spread of infection in wild bird populations is available to date. With the aim of updating information on T. gondii infection in birds of prey and possible risk factors associated ... Read more >>

Comp. Immunol. Microbiol. Infect. Dis. (Comparative immunology, microbiology and infectious diseases)
[2018, 60:42-45]

Cited: 2 times

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Exposure to amitraz, fipronil and permethrin affects cell viability and ABC transporter gene expression in an Ixodes ricinus cell line.

Carlo Mangia, Alice Vismarra, Marco Genchi, Sara Epis, Claudio Bandi, Giulio Grandi, Lesley Bell-Sakyi, Domenico Otranto, Benedetta Passeri, Laura Kramer,

BACKGROUND:Over-expression of ATP-binding cassette (ABC) transporter proteins has been implicated in resistance of ticks to acaricides. Tick cell lines are useful for investigating resistance mechanisms, as development of an in vitro model for the study of acaricide resistance would contribute to improving knowledge of the molecular basis behind drug processing ... Read more >>

Parasit Vectors (Parasites & vectors)
[2018, 11(1):437]

Cited: 1 time

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Patterns of Midichloria infection in avian-borne African ticks and their trans-Saharan migratory hosts.

Irene Di Lecce, Chiara Bazzocchi, Jacopo G Cecere, Sara Epis, Davide Sassera, Barbara M Villani, Gaia Bazzi, Agata Negri, Nicola Saino, Fernando Spina, Claudio Bandi, Diego Rubolini,

BACKGROUND:Ticks are obligate haematophagous ectoparasites of vertebrates and frequently parasitize avian species that can carry them across continents during their long-distance migrations. Ticks may have detrimental effects on the health state of their avian hosts, which can be either directly caused by blood-draining or mediated by microbial pathogens transmitted during ... Read more >>

Parasit Vectors (Parasites & vectors)
[2018, 11(1):106]

Cited: 1 time

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The Genomes of Four Meyerozyma caribbica Isolates and Novel Insights into the Meyerozyma guilliermondii Species Complex.

Leone De Marco, Sara Epis, Aida Capone, Elena Martin, Jovana Bozic, Elena Crotti, Irene Ricci, Davide Sassera,

Yeasts of the Meyerozyma guilliermondii species complex are widespread in nature and can be isolated from a variety of sources, from the environment to arthropods to hospital patients. To date, the species complex comprises the thoroughly studied and versatile M. guilliermondii, the hard to distinguish M. caribbica, and Candida carpophila ... Read more >>

G3 (Bethesda) (G3 (Bethesda, Md.))
[2018, 8(3):755-759]

Cited: 2 times

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The mycobiota of the sand fly Phlebotomus perniciosus: Involvement of yeast symbionts in uric acid metabolism.

Elena Martin, Ilaria Varotto Boccazzi, Leone De Marco, Gioia Bongiorno, Matteo Montagna, Luciano Sacchi, Priscilla Mensah, Irene Ricci, Luigi Gradoni, Claudio Bandi, Sara Epis,

The knowledge of the fungal mycobiota of arthropods, including the vectors of human and animal diseases, is still limited. Here, the mycobiota associated with the sand fly Phlebotomus perniciosus, the main vector of leishmaniasis in the western Mediterranean area, by a culture-dependent approach (microbiological analyses and sequencing of the 26S ... Read more >>

Environ. Microbiol. (Environmental microbiology)
[2018, 20(3):1064-1077]

Cited: 1 time

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Candidacidal Activity of a Novel Killer Toxin from Wickerhamomyces anomalus against Fluconazole-Susceptible and -Resistant Strains.

Laura Giovati, Claudia Santinoli, Elena Ferrari, Tecla Ciociola, Elena Martin, Claudio Bandi, Irene Ricci, Sara Epis, Stefania Conti,

The isolation and characterization from the sand fly Phlebotomus perniciosus of a Wickerhamomyces anomalus yeast strain (Wa1F1) displaying the killer phenotype was recently reported. In the present work, the killer toxin (KT) produced by Wa1F1 was purified and characterized, and its antimicrobial activity in vitro was investigated against fluconazole- susceptible ... Read more >>

Toxins (Basel) (Toxins)
[2018, 10(2):]

Cited: 1 time

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A survey of the mycobiota associated with larvae of the black soldier fly (Hermetia illucens) reared for feed production.

Ilaria Varotto Boccazzi, Matteo Ottoboni, Elena Martin, Francesco Comandatore, Lisa Vallone, Thomas Spranghers, Mia Eeckhout, Valeria Mereghetti, Luciano Pinotti, Sara Epis,

Feed security, feed quality and issues surrounding the safety of raw materials are always of interest to all livestock farmers, feed manufacturers and competent authorities. These concerns are even more important when alternative feed ingredients, new product developments and innovative feeding trends, like insect-meals, are considered. The black soldier fly ... Read more >>

PLoS ONE (PloS one)
[2017, 12(8):e0182533]

Cited: 10 times

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Mosquitoes can harbour yeasts of clinical significance and contribute to their environmental dissemination.

Jovana Bozic, Aida Capone, Dario Pediconi, Priscilla Mensah, Alessia Cappelli, Matteo Valzano, Maria Vittoria Mancini, Patrizia Scuppa, Elena Martin, Sara Epis, Paolo Rossi, Guido Favia, Irene Ricci,

There is still a lack of studies on fungal microbiota in mosquitoes, compared with the number available on bacterial microbiota. This study reports the identification of yeasts of clinical significance in laboratory mosquito species: Anopheles gambiae, Anopheles stephensi, Culex quinquefasciatus, Aedes albopictus and Aedes aegypti. Among the yeasts isolated, they ... Read more >>

Environ Microbiol Rep (Environmental microbiology reports)
[2017, 9(5):642-648]

Cited: 7 times

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Molecular investigations of the bat tick Argas vespertilionis (Ixodida: Argasidae) and Babesia vesperuginis (Apicomplexa: Piroplasmida) reflect "bat connection" between Central Europe and Central Asia.

Sándor Hornok, Krisztina Szőke, Tamás Görföl, Gábor Földvári, Vuong Tan Tu, Nóra Takács, Jenő Kontschán, Attila D Sándor, Péter Estók, Sara Epis, Sándor Boldogh, Dávid Kováts, Yuanzhi Wang,

Argas vespertilionis is a geographically widespread haematophagous ectoparasite species of bats in the Old World, with a suspected role in the transmission of Babesia vesperuginis. The aims of the present study were (1) to molecularly screen A. vespertilionis larvae (collected in Europe, Africa and Asia) for the presence of piroplasms, ... Read more >>

Exp. Appl. Acarol. (Experimental & applied acarology)
[2017, 72(1):69-77]

Cited: 4 times

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Gene expression modulation of ABC transporter genes in response to permethrin in adults of the mosquito malaria vector Anopheles stephensi.

Valentina Mastrantonio, Marco Ferrari, Sara Epis, Agata Negri, Giulia Scuccimarra, Matteo Montagna, Guido Favia, Daniele Porretta, Sandra Urbanelli, Claudio Bandi,

Living organisms have evolved an array of genes coding for detoxifying enzymes and efflux protein pumps, to cope with endogenous and xenobiotic toxic compounds. The study of the genes activated during toxic exposure is relevant to the area of arthropod vector control, since these genes are one of the targets ... Read more >>

Acta Trop. (Acta tropica)
[2017, 171:37-43]

Cited: 6 times

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Mitochondrial gene heterogeneity of the bat soft tick Argas vespertilionis (Ixodida: Argasidae) in the Palaearctic.

Sándor Hornok, Krisztina Szőke, Vuong Tan Tu, Jenő Kontschán, Nóra Takács, Attila D Sándor, Ali Halajian, Gábor Földvári, Péter Estók, Olivier Plantard, Sara Epis, Tamás Görföl,

<label>BACKGROUND</label>Recently, a high degree of mitochondrial gene heterogeneity was demonstrated between conspecific ixodid ticks of bats in Eurasia. Argas vespertilionis is a soft tick species of mainly vespertilionid bats, also with a wide distribution in the Old World. The aim of this study was to investigate the morphology, mitochondrial gene ... Read more >>

Parasit Vectors (Parasites & vectors)
[2017, 10(1):109]

Cited: 3 times

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Transcriptome of larvae representing the Rhipicephalus sanguineus complex.

Leone De Marco, Sara Epis, Francesco Comandatore, Daniele Porretta, Claudia Cafarchia, Valentina Mastrantonio, Filipe Dantas-Torres, Domenico Otranto, Sandra Urbanelli, Claudio Bandi, Davide Sassera,

Rhipicephalus sanguineus sensu lato (Ixodida: Ixodidae) is possibly the most widespread tick species worldwide, responsible for transmitting several vector-borne pathogens of medical and veterinary importance. Here, we explore the transcriptome of R. sanguineus s.l. larvae (Putignano strain). We sequenced total RNA from R. sanguineus s.l. larvae. A total of 15,566,986 short paired-end ... Read more >>

Mol. Cell. Probes (Molecular and cellular probes)
[2017, 31:85-90]

Cited: 3 times

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How heterogeneous is the involvement of ABC transporters against insecticides?

Daniele Porretta, Sara Epis, Valentina Mastrantonio, Marco Ferrari, Romeo Bellini, Guido Favia, Sandra Urbanelli,

Understanding the molecular mechanisms underlying cellular defense against xenobiotic compounds is a main research issue in medical and veterinary entomology, as insecticide/acaricide resistance is a major threat in the control of arthropods. ABC transporters are recognized as a component of the detoxifying mechanism in arthropods. We investigated the possible involvement ... Read more >>

Acta Trop. (Acta tropica)
[2016, 157:131-135]

Cited: 9 times

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Molecular detection of Anaplasma platys, Ehrlichia canis, Hepatozoon canis and Rickettsia monacensis in dogs from Maio Island of Cape Verde archipelago.

Stefania Lauzi, João P Maia, Sara Epis, Ricardo Marcos, Cristina Pereira, Camilla Luzzago, Marta Santos, Pablo Puente-Payo, Alessia Giordano, Massimo Pajoro, Giuseppe Sironi, Augusto Faustino,

Tick-borne diseases are emerging worldwide and have an important zoonotic relevance. Dogs play an important role in the epidemiology of several zoonotic tick-borne pathogens acting as sentinels and/or reservoirs. This study focused on the molecular identification of tick-borne pathogens in blood samples of 153 autochthonous asymptomatic dogs in Maio Island, ... Read more >>

Ticks Tick Borne Dis (Ticks and tick-borne diseases)
[2016, 7(5):964-969]

Cited: 13 times

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Evaluation of the in vitro expression of ATP binding-cassette (ABC) proteins in an Ixodes ricinus cell line exposed to ivermectin.

Carlo Mangia, Alice Vismarra, Laura Kramer, Lesley Bell-Sakyi, Daniele Porretta, Domenico Otranto, Sara Epis, Giulio Grandi,

Ticks are among the most important vectors of pathogens causing human and animal disease. Acaricides are used to control tick infestation, although there are increasing reports of resistance. Recently, over-expression of ATP-binding cassette (ABC) transporter proteins (P-glycoproteins, PgP) has been implicated in resistance to the acaricide ivermectin in the ticks ... Read more >>

Parasit Vectors (Parasites & vectors)
[2016, 9:215]

Cited: 6 times

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A yeast strain associated to Anopheles mosquitoes produces a toxin able to kill malaria parasites.

Matteo Valzano, Valentina Cecarini, Alessia Cappelli, Aida Capone, Jovana Bozic, Massimiliano Cuccioloni, Sara Epis, Dezemona Petrelli, Mauro Angeletti, Anna Maria Eleuteri, Guido Favia, Irene Ricci,

Malaria control strategies are focusing on new approaches, such as the symbiotic control, which consists in the use of microbial symbionts to prevent parasite development in the mosquito gut and to block the transmission of the infection to humans. Several microbes, bacteria and fungi, have been proposed for malaria or ... Read more >>

Malar. J. (Malaria journal)
[2016, 15:21]

Cited: 10 times

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Parasitic and Bacterial Infections of Myocastor coypus in a Metropolitan Area of Northwestern Italy.

Sergio A Zanzani, Annarita Di Cerbo, Alessia L Gazzonis, Sara Epis, Anna Invernizzi, Silvia Tagliabue, Maria T Manfredi,

Coypus (Myocastor coypus) are widespread throughout Europe. In northern Italy, they are abundant in the flatland areas, and their high population densities can cause economic loss and ecosystem damage. We examined 153 coypus for selected parasitic and bacterial infections. We found Strongyloides myopotami (63.4% prevalence), Trichostrongylus duretteae (28.1%), Eimeria coypi ... Read more >>

J. Wildl. Dis. (Journal of wildlife diseases)
[2016, 52(1):126-130]

Cited: 4 times

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Francisella tularensis: No Evidence for Transovarial Transmission in the Tularemia Tick Vectors Dermacentor reticulatus and Ixodes ricinus.

Marco Genchi, Paola Prati, Nadia Vicari, Andrea Manfredini, Luciano Sacchi, Emanuela Clementi, Claudio Bandi, Sara Epis, Massimo Fabbi,

BACKGROUND:Tularemia is a zoonosis caused by the Francisella tularensis, a highly infectious Gram-negative coccobacillus. Due to easy dissemination, multiple routes of infection, high environmental contamination and morbidity and mortality rates, Francisella is considered a potential bioterrorism threat and classified as a category A select agent by the CDC. Tick bites ... Read more >>

PLoS ONE (PloS one)
[2015, 10(8):e0133593]

Cited: 8 times

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A rapid qPCR method to investigate the circulation of the yeast Wickerhamomyces anomalus in humans.

Sara Epis, Aida Capone, Elena Martin, Michela Paolucci, Chiara Bazzocchi, Matteo Valzano, Jovana Bozic, Stefano Novati, Guido Favia, Irene Ricci,

The yeast Wickerhamomyces anomalus has been proposed for many biotechnological applications in the food industry. However, a number of opportunistic pathogenic strains have been reported as causative agents of nosocomial fungemia. Recognition of potentially pathogenic isolates is an important challenge for the future commercialization of this yeast. The isolation of ... Read more >>

New Microbiol. (The new microbiologica)
[2015, 38(4):577-581]

Cited: 2 times

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