Hubert Ferté

Université de Reims Champagne-Ardenne, Rheims, Champagne-Ardenne, France

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Publications (60)108.44 Total impact

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    ABSTRACT: Parasitological investigations carried out on birds in Iceland and France highlight the presence of four species of avian schistosomes from greylag geese (Anser anser L.): the european nasal species Trichobilharzia regenti and three visceral species, among which an unknown species isolated from blood vessels of the large intestine and liver. Morphological and molecular analyzes of different parasite stages (eggs, adults) revealed new species of Trichobilharzia genus - Trichobilharzia anseri sp. nov. Studies on host-parasite relationship under natural conditions, showed that the life-cycle includes the snail Radix balthica (syn. R. peregra) as intermediate host. The cercariae, already isolated in Iceland from two ponds of the Reykjavik capital area - the Family park and Tjörnin Lake - are the same as those isolated in 1999 by Kolářová et al. during the first study on Icelandic parasitic agents of cercarial dermatitis. Copyright © 2015. Published by Elsevier B.V.
    Infection, genetics and evolution: journal of molecular epidemiology and evolutionary genetics in infectious diseases 06/2015; DOI:10.1016/j.meegid.2015.06.012 · 3.26 Impact Factor
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    ABSTRACT: Protostrongylus oryctolagi and P. pulmonalis are causative agents of pulmonary protostrongyliasis in Lagomorphs in France. These nematodes need usually one intermediate host for its life cycle, a terrestrial snail. However, some studies, mainly in experimental conditions, have identified the species of snails acting as intermediate hosts. In total, 3315 terrestrial snails and 307 slugs were collected in the field in South-Eastern France and analyzed to detect the presence of parasites. Identification of nematode parasites and snails were performed according to morphological and molecular approaches (D2 domain of the 28S rDNA for parasites; 18S and ITS-1 rDNA, COI and 16S mtDNA for snails). Eighteen snails were found positive for Protostrongylids larvae. Haplotypes of the larvae corresponding to sequences of P. oryctolagi and P. pulmonalis were detected. Morphological identification of molluscs based on shell characters revealed 4 different morphotypes, and molecular results confirm the membership of these gastropods to the Hygromiidae and revealed 4 different species: Candidula gigaxii, 2 species of Cernuella sp. and Xeropicta derbentina. All infested snails were collected in wine cultures. This study displays the first description of intermediate hosts of P. oryctolagi and the first report of X. derbentina as natural intermediate host of P. pulmonalis.
    Parasites & Vectors 02/2015; 8(1). DOI:10.1186/s13071-015-0717-5 · 3.25 Impact Factor
  • Cecile Patrelle, Hubert Ferté, Damien Jouet
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    ABSTRACT: We describe a PCR-RFLP-based method that allows reliable identification of four species of nematode parasites presenting similar infective third-stage larvae (L3) with a flagelliform tail and more than 16 intestinal cells, commonly observed in gastrointestinal tract of ruminants in France. Molecular analysis of the second internal transcribed spacer (ITS2) of ribosomal DNA, considered as a specific marker for Strongylida, revealed four robust monophyletic clades corresponding to species Chabertia ovina, Oesophagostomum sikae, Oesophagostomum radiatum and Oesophagostomum venulosum. One restriction enzyme (DdeI) was used to digest this domain, and we observed four different and clear digestion patterns according to these species (adults or larvae). Hence, this new method is a good tool easy to use for veterinary laboratories to characterize the different species, and allows considering possible cross transmission between domestic and wild ruminants, especially cervids often incriminated as potential reservoir of parasites for cattle. Moreover, thanks to this new tool, necroscopic analyses could be substituted by coprological methods, a non-invasive approach.
    Infection Genetics and Evolution 12/2014; 28. DOI:10.1016/j.meegid.2014.08.027 · 3.26 Impact Factor
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    ABSTRACT: Twelve novel polymorphic microsatellite markers were produced and characterized for Spiculopteragia spiculoptera (Nematoda, Trichostrongyloidae) a common parasite of abomasum of Roe and Red deer, using next generation sequencing approach, and two multiplexes PCR were developed with these markers. Polymorphism of each locus was tested in 40 individuals of this species from diverse wild populations of cervids, and was tested for crossed-amplification on four other species of nematodes, close to S. spiculoptera among the Trichostrongyloidea: 20 Spiculopteragia houdemeri, 34 Ostertagia leptospicularis, 16 Ashworthius sidemi, and 25 Trichostrongylus spp. Our new microsatellite markers seem to be specific to Spiculopteragia spiculoptera since no amplifications were obtained for the four other species. The number of alleles per locus ranged from 2 to 12, the average observed and expected heterozygosity per locus ranged from 0.025 to 0.641 and from 0.049 to 0.664, respectively. Four of the 12 microsatellite loci showed significant deviations from Hardy-Weinberg equilibrium (which two slightly significant). One locus pair showed significant linkage disequilibrium (Sspi4 vs. Sspi8). Neither evidence of scoring error due to stuttering nor evidence of large allele dropout was found at all of the 12 loci, but evidence of null alleles was indicated at three loci because of general excess of homozygotes for most allele size classes. These polymorphic loci will be useful markers to study population genetics structure of Spiculopteragia spiculoptera in order to understand transfer and to explain the relationships between deer populations.
    Molecular and Biochemical Parasitology 09/2014; 196(2). DOI:10.1016/j.molbiopara.2014.09.004 · 2.24 Impact Factor
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    ABSTRACT: Studies of the impact of parasites on host performance have mainly focused on body mass, a phenotypic trait that responds relatively slowly to the presence of parasites, and the expectedly faster response of physiological parameters has been mostly overlooked. We filled the gap by measuring the impact of endoparasites on four hematological/biochemical parameters (hematocrit, albumin, creatinine and fructosamine) in two contrasting free-living populations of roe deer. We generally found negative relationships between parasites and physiological parameters. Our findings also indicate little role of host sex on parasite impact and strongest parasite effects on young and senescent hosts.
    Veterinary Parasitology 09/2014; 205(3-4). DOI:10.1016/j.vetpar.2014.09.016 · 2.55 Impact Factor
  • Parasite 06/2014; 11(2):201-209. DOI:10.1051/parasite/2004112201 · 0.82 Impact Factor
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    N. Léger, J. Depaquit, H. Ferté
    Parasite 06/2014; 7(2):135-141. DOI:10.1051/parasite/2000072135 · 0.82 Impact Factor
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    Parasite 06/2014; 7(2):143-146. DOI:10.1051/parasite/2000072143 · 0.82 Impact Factor
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    ABSTRACT: Intravascular nematodes were considered the cause of death of 14 captive callitrichids. All animals were captive born at zoos in France and died with little or no premonitory signs of disease. No consistent gross lesions were observed at necropsy, although in certain cases intracardiac adult parasites were noted. The most significant histologic findings were verminous pneumonia and pulmonary endarteritis. In all cases except one, intravascular adult nematodes were observed with eggs and larvae in the lungs. Adult nematodes were obtained from 8 animals and in all cases were identified as Parastrongylus dujardini. To the authors' knowledge, this is the first report of intravascular angiostrongylosis with primary cardiopulmonary location in callitrichids in France.
    Veterinary Pathology 05/2014; 52(2). DOI:10.1177/0300985814531496 · 2.04 Impact Factor
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    ABSTRACT: Pulmonary protostrongyliasis of hare is a parasitic disease caused by nematodes belonging to the genus Protostrongylus (Nematoda, Protostrongylidae). During survey of wildlife disease in the South-East of France, pathologic examination of lungs from European hares found dead or hunter-killed between 2009 and 2012 was performed. Adult male worms were morphologically characterized and the identification confirmed by molecular biology (D2 domain of the 28S and ITS2 of rDNA). Two different species were identified: the first one, Protostrongylus pulmonalis, is identical with the haplotype previously deposited in GenBank. Based on morphological criteria of copulatory bursa of adult male worms (especially length of spicules and gubernaculum structure), we identified a second species found in France as Protostrongylus oryctolagi. This is the first report of P. oryctolagi in France from European hare and rabbit. P. oryctolagi was isolated from 248 hares and 3 rabbits in the South of France. P. pulmonalis was isolated from four hares found dead in the Northern France and from one hare in the South, which was co-parasitized by P. oryctolagi and P. pulmonalis. It's the first coinfection observed with these two species from a lung of hare in France.
    Parasitology Research 04/2014; 113(6). DOI:10.1007/s00436-014-3860-6 · 2.33 Impact Factor
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    Parasite 03/2014; 8(1):11-20. DOI:10.1051/parasite/2001081011 · 0.82 Impact Factor
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    Cecile Patrelle, Damien Jouet, Hubert Ferté
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    ABSTRACT: The presence of the mesocercarial stage of Alaria alata (Goeze, 1792) in wild boar meat represents a potential risk for human, but little is known about the circulation of mesocercaria in wild boar populations. Routine Trichinella inspection, mandatorily performed in wild boar in France, also allowed detecting mesocercaria. We analyzed the results of this detection in the carcasses of 27,582 wild boars hunted in 2007-2011, in 502 hunting areas of the Rhine valley. Prevalence was globally low (0.6%), but 12% of the hunting areas were affected. These were clustered in lowlands of the Rhine valley, and prevalence strongly decreased with increasing elevation. In the lowlands, prevalence doubled between 2007 and 2011. This time trend and the geographic aggregation of positive wild boars suggest risk management measures based on targeted surveillance, control and prevention.
    Veterinary Parasitology 09/2013; 199(3-4). DOI:10.1016/j.vetpar.2013.09.029 · 2.55 Impact Factor
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    ABSTRACT: Parasitological investigations on red-breasted mergansers (Mergus serrator L.) in Iceland revealed digenean flukes of the family Schistosomatidae. Adult worms were detected in blood vessels of the large intestine and eggs were deposited in the mucosa and surrounded by granulomatous reactions. Traditional morphological methods showed that the flukes have very slender filiform bodies, males are equipped with a short gynaecophoric canal and both suckers and spatulate ends are present on each sex. Among characteristics of the flukes which render them morphologically distinct from other Trichobilharzia species are: i) males - well developed vesicula seminalis (v.s.) consisting of a short v. s. externa and a significantly longer (approx. 3 times) v. s. interna, unusually well developed genital papilla and localization of the first testis a relatively long distance posterior to the gynaecophoric canal; ii) eggs - small and elongated with slightly rounded poles and a short terminal spine. DNA taxonomic techniques confirmed that a new species had been identified, Trichobilharzia mergi sp.n. The sequence data were deposited in GenBank under the accession numbers JX456151to JX456172. Comparison of the results with our previously published data on characterization of DNA of cercariae isolated from freshwater lymnaeid snails showed that larval development of T. mergi is associated with Radix balthica L. (= R. peregra Müller, 1774; = R. ovata Draparnaud, 1805).
    Parasitology International 03/2013; 62(3). DOI:10.1016/j.parint.2013.03.002 · 2.11 Impact Factor
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    ABSTRACT: Gongylonema spp. are cosmopolitan spirurid nematodes that are common parasites of wild and domesticated mammals and birds. Gongylonema pulchrum Molin, 1857 is most common in ruminants, where it invades mucosa and submucosa of the mouth, tongue, oesophagus and forestomachs. It extremely rarely occurs in man, and fewer than 60 cases have been reported worldwide. We report a case from the Alsace region, which appears to be the first case of human gongylonemosis described in France.
    Parasite 02/2013; 20:5. DOI:10.1051/parasite/2013007 · 0.82 Impact Factor
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    ABSTRACT: Postmortem examination of a 4-mo-old captive-born blue-crowned motmot (Momotus momota) at the Montpellier Zoo in France revealed the presence of air sac flukes. Circumvitellatrema momota (Digenea: Cyclocoelidae) was suspected and confirmed by molecular genetic analysis. Digenean metacercariae were extracted from an invasive species of terrestrial snail, the conical periwinkle, Subulina striatella. Molecular genetic analysis determined that these metacercariae were also C. momota, confirming that all the stages of this parasite's life cycle were present and that birds were likely becoming infected by eating these infected snails. It is likely that this trematode was imported into the greenhouse with a wild-caught motmot. The conical periwinkle snail appears to have been imported into the zoo with the plants in 2007 when the greenhouse was built. Treatments, which have been disappointing, are discussed, as well as preventive measures to avoid dissemination of the parasite into other bird collections in Europe.
    Journal of Zoo and Wildlife Medicine 09/2012; 43(3):689-92. DOI:10.2307/41681900 · 0.32 Impact Factor
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    ABSTRACT: Alaria alata (Goeze, 1792), a trematode that parasitizes canids, usually needs two intermediate hosts to complete its life cycle: an aquatic freshwater snail and an amphibian. Although many studies have been undertaken on the wild boar's role as paratenic host, owing to the potential threat to human health, few have sought to identify the snails that act as first intermediate hosts in natural conditions. Adopting a molecular approach, with specific markers for a portion of the second internal transcribed spacer (ITS-2), we detected haplotypes of A. alata furcocercariae in two snail species (Planorbis planorbis and Anisus vortex), identified by molecular analysis (ribosomal 18S, mitochondrial 16S and COI). This study provides the first description of snails naturally emitting A. alata furcocercaria in Western Europe.
    Veterinary Parasitology 06/2012; 190(1-2):151-8. DOI:10.1016/j.vetpar.2012.06.020 · 2.55 Impact Factor
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    ABSTRACT: The first author detected the nasal bird schistosome Trichobilharzia regenti in Iceland in Anas platyrhynchos in Landmannalaugar in autumn of 2003. Since then, measurements and morphological studies have been performed on fresh worms (fragments) obtained in the area from naturally infected ducks, A. platyrhynchos and Aythya marila. In the present study, we compare our findings to the original description of T. regenti by Horák et al. (Parasite 5:349-357, 1998) that relies upon worms obtained by experimental infections of A. platyrhynchos f. domestica and Cairina moschata f. domestica ducklings. Fragments obtained from naturally infected birds are markedly larger than those obtained in the experimental infection. Also, indistinct sex-related size difference was confirmed; males were more abundant in the material than females. Previously unknown morphological features detected in the present study include, e.g. subterminal spines on the oral sucker directed to the oral opening, spine pattern on the apical part of acetabulum and long tegumental spines (up to 16 μm) in the gonad and tail regions of both sexes. In males, we evaluated for the first time the morphology of the cirrus sac enclosing ejaculatory duct, prostata and the entire prostatic region, the course of vas deferens and the position of genital papilla. In females, the posterior part of the reproductive system was studied for the first time. The presence of the Laurer's canal was confirmed and its course from the oviduct to the surface, where spermatozoa were noticed to leave the canal, was described.
    Parasitology Research 12/2011; 110(5):1881-92. DOI:10.1007/s00436-011-2713-9 · 2.33 Impact Factor
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    ABSTRACT: The trematode Alaria alata is a cosmopolite parasite found in red foxes (Vulpes vulpes), the main definitive host in Europe. In contrast only few data are reported in wild boars (Sus scrofa), a paratenic host. The aim of this paper is to describe the importance and distribution of Alaria alata mesocercariae in wild boars, information is given by findings of these larvae during Trichinella mandatory meat inspection on wild boars' carcasses aimed for human consumption. More than a hundred cases of mesocercariae positive animals are found every year in the East of France. First investigations on the parasite's resistance to deep-freezing in meat are presented in this work.
    Parasite 08/2011; 18(3):271-5. DOI:10.1051/parasite/2011183271 · 0.82 Impact Factor
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    ABSTRACT: To the Editor: In April 2009, a 47-year-old woman in Saint-Jeannet in southern France reported stomach aches, abdominal bloating, and occasional diarrhea. Blood analyses found an increased eosinophil level (8,800 cells/mm3), which represented 52% of 16,900 leukocytes/mm3. Parasitologic examinations for helminths were conducted with 6 fecal specimens obtained during June 9-July 2, 2009. Analyses included direct wet mount microscopic examination, Merthiolate-iodine-formaldehyde concentration, formalin-ethyl acetate concentration, and Baermann larval extraction.
    Emerging Infectious Diseases 07/2011; 17(7):1301-2. DOI:10.3201/eid1707.101519 · 7.33 Impact Factor

Publication Stats

760 Citations
108.44 Total Impact Points

Institutions

  • 1996–2015
    • Université de Reims Champagne-Ardenne
      • Transmission vectorielle et Epidémiosurveillance de maladies parasitaires
      Rheims, Champagne-Ardenne, France
  • 2006
    • Musée national d'histoire naturelle de Luxembourg
      Letzeburg, Luxembourg, Luxembourg