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  • 1.
    Andersson, Martin O.
    et al.
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Chitimia-Dobler, Lidia
    Inst Diag & Anim Hlth, Romania ; German Ctr Infect Res DZIF Partner Munich, Germany.
    Detection of Cercopithifilaria bainae in western Romania2017Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 116, nr 11, s. 3235-3238Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Cercopithifilaria species are tick-transmitted filarial parasites of mammals. In Europe, three Cercopithifilaria spp. are known to parasitize dogs, all occurring mainly in the Mediterranean countries. In Romania, Cercopithifilaria bainae has been reported in a single dog in eastern Romania but the occurrence in other parts of the country is not known. To further elucidate the geographic distribution of Cercopithifilaria spp. infection, 544 ticks were collected from dogs in several locations across Romania. The presence of Cercopithifilaria spp. was investigated with real-time PCR. A single Dermacentor reticulatus female tick was found to be infected with Cercopithifilaria bainae. The finding in the present study is geographically separated from the previous finding in Romania by 800 km, as well as by the Carpathian mountain range. Hence, C. bainae is more geographically widespread in Romania than previously recognized. However, the single detection does suggest that infection is rather uncommon in Romanian dogs. Nevertheless, further studies on Cercopithifilaria spp. distribution and prevalence are needed.

  • 2.
    Andersson, Martin O.
    et al.
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Marga, Georgeta
    Publ Hlth Direct, Romania.
    Banu, Teofilia
    Inst Diag & Anim Hlth, Romania.
    Dobler, Gerhard
    German Ctr Infect Res DZIF Partner Munich, Germany.
    Chitimia-Dobler, Lidia
    Inst Diag & Anim Hlth, Romania;German Ctr Infect Res DZIF Partner Munich, Germany.
    Tick-borne pathogens in tick species infesting humans in Sibiu County, central Romania2018Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 117, nr 5, s. 1591-1597Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Romania has a highly diverse tick fauna. Consequently, a high diversity of tick-transmitted pathogens might be a potential threat to humans. However, only a limited number of tick species regularly infest humans, and pathogens present in such species are therefore of particular interest from a medical perspective. In this study, 297 ticks were collected from humans during 2013 and 2014. Ixodes ricinus was the predominant tick species, accounting for 272 specimens or 91.6% of the ticks in the study. Nevertheless, other tick species were also found to infest humans: Dermacentor marginatus constituted 7% of the ticks found on humans (21/297), Haemaphysalis punctata 1% (3/297), and Haemaphysalis concinna 0.3% (1/297). Ticks were tested by PCR for a wide range of tick-borne pathogens. In total, 11.8% of the ticks carried human pathogenic bacteria, while no viral or protozoan pathogens were detected. The most frequently detected pathogen was Rickettsia spp., occurring in 5.4% of the ticks (16/297) and comprising three species: Rickettsia (R.) raoultii, R. monacensis, and R. helvetica. Borrelia s.l. occurred in 3% (9/297) of the ticks. "Candidatus Neoehrlichia mikurensis" occurred in 1.7% (5/297) and Anaplasma phagocytophilum in 1.3% (4/297). Anaplasma bovis was detected in an H. punctata and Borrelia miyamotoi in an I. ricinus. These results point to the need for further studies on the medical importance of tick-borne pathogens in Romania.

  • 3.
    Andersson, Martin O.
    et al.
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Radbea, Gabriel
    Sal Vet Private Vet Clin, Romania.
    Frangoulidis, Dimitrios
    Bundeswehr Inst Microbiol, Germany;German Ctr Infect Res DZIF Partner Munich.
    Tomaso, Herbert
    Friedrich Loeffler Inst, Germany.
    Rubel, Franz
    Univ Vet Med Vienna, Austria.
    Nava, Santiago
    Estn Expt Agr Rafaela, Argentina.
    Chitimia-Dobler, Lidia
    Bundeswehr Inst Microbiol, Germany;German Ctr Infect Res DZIF Partner Munich, Germany;Inst Diag & Anim Hlth, Romania.
    New records and host associations of the tick Ixodes apronophorus and the first detection of Ehrlichia sp HF in Romania2018Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 117, nr 4, s. 1285-1289Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Ixodes (Ixodes) apronophorus is a neglected tick species and its geographical distribution, host associations, and role as a disease vector are not well known. We collected I. apronophorus from several locations in Romania. Morphological identification of ticks was confirmed by analysis of 16S rDNA and 12S rDNA gene sequences. We report new host associations of I. apronophorus, which was collected from dogs, foxes, and a hare-all new hosts for this tick species in Romania. Furthermore, we report for the first time occurrence of Ehrlichia sp. HF in I. apronophorus. Ehrlichia sp. HF was identified by sequencing a part of the 16S rDNA gene and was found in 16% (3/19) of the tested ticks. Ehrlichia sp. HF has not been previously reported in Eastern Europe and seems to have a much larger geographic distribution than previously known. Currently, it is unknown whether I. apronophorus is a competent vector for Ehrlichia sp. HF, or if the findings in this study represent infection in the hosts, namely dogs and fox.

  • 4.
    Andersson, Martin O.
    et al.
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Tolf, Conny
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Tamba, Paula
    Inst Diag & Anim Hlth, Romania.
    Stefanache, Mircea
    PAUMI VET Private Vet Clin, Romania.
    Radbea, Gabriel
    Sal Vet Private Vet Clin, Romania.
    Rubel, Franz
    Univ Vet Med Vienna, Austria.
    Waldenström, Jonas
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Dobler, Gerhard
    German Ctr Infect Res DZIF Partner Munich, Germany.
    Chitimia-Dobler, Lidia
    Inst Diag & Anim Hlth, Romania ; German Ctr Infect Res DZIF Partner Munich, Germany.
    Babesia, Theileria, and Hepatozoon species in ticks infesting animal hosts in Romania2017Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 116, nr 8, s. 2291-2297Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Babesia spp., Theileria spp., and Hepatozoon spp. are tick-transmitted apicomplexan parasites that cause several important diseases in animals. To increase current knowledge about the diversity of tick-transmitted pathogens in Romania, we investigated the occurrence of Babesia spp., Theileria spp., and Hepatozoon spp. in a wide range of tick species infesting animal hosts. We collected 852 ticks from 10 different animal species from 20 counties in Romania. The assessment was based on detection of parasite DNA by PCR. Five different apicomplexan parasite species were detected; among them three different species of Babesia: B. canis, B. microti, and B. ovis. Hepatozoon canis was the most frequently detected parasite, found predominately in Ixodes ricinus ticks collected from domestic dogs. It was also detected in I. ricinus collected from goat, fox, and cat. Furthermore, H. canis was found in Haemaphysalis punctata and Haemaphysalis concinna ticks. In addition, Theileria buffeli was detected in Rhipicephalus bursa ticks collected from cattle.

  • 5.
    Axelsson Olsson, Diana
    et al.
    Högskolan i Kalmar, Naturvetenskapliga institutionen.
    Olofsson, Jenny
    Högskolan i Kalmar, Naturvetenskapliga institutionen.
    Ellström, Patrik
    Högskolan i Kalmar, Naturvetenskapliga institutionen.
    Waldenström, Jonas
    Högskolan i Kalmar, Naturvetenskapliga institutionen.
    Olsen, Björn
    Högskolan i Kalmar, Naturvetenskapliga institutionen.
    A simple method for long-term storage Acanthamoeba species2009Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 104, nr 4, s. 935-937Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We present a novel and simple technique for storing live Acanthamoeba for long periods of time. The amoebae are maintained at refrigerator temperatures in a peptone-yeast extract-glucose (PYG) medium normally used for cultivation. Using this method, we obtained survival rates of at least 4 years for Acanthamoeba polyphaga and 3 years for Acanthamoeba castellanii and Acanthamoeba rhysodes. Advantages of this storage method are: (1) it is quick and simple, (2) inexpensive, (3) does not require encystment before storage, (4) resuscitation of cysts can be achieved within a week of culture in PYG medium at 27A degrees C, and does not require co-culture with bacteria or any special equipment.

  • 6.
    Flink, Henrik
    et al.
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Behrens, Jane W.
    Tech Univ Denmark, Denmark.
    Svensson, P. Andreas
    Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
    Consequences of eye fluke infection on anti-predator behaviours in invasive round gobies in Kalmar Sound2017Inngår i: Parasitology Research, ISSN 0932-0113, E-ISSN 1432-1955, Vol. 116, nr 6, s. 1653-1663Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Larvae of the eye fluke, Diplostomum, emerge from snails and infect fish by penetrating skin or gills, then move to the lens where they may impair the vision of the fish. For the fluke to reproduce, a bird must eat the infected fish, and it has been suggested that they therefore actively manipulate the fish's behaviour to increase the risk of predation. We found that round gobies Neogobius melanostomus, a species that was recently introduced to the Kalmar Sound of the Baltic Sea, had an eye fluke prevalence of 90-100%. We investigated how the infection related to behavioural variation in round gobies. Our results showed that the more intense the parasite-induced cataract, the weaker the host's response was to simulated avian attack. The eye flukes did not impair other potentially important anti-predator behaviours, such as shelter use, boldness and the preference for shade. Our results are in accordance with the suggestion that parasites induce changes in host behaviour that will facilitate transfer to their final host.

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