1
|
Bâ A, Bakhoum AJS, Ndiaye PI, Bray RA, Bâ CT, Marchand B, Quilichini Y. New spermatological characteristics in the Hemiuroidea inferred from the ultrastructure of the spermatozoon of Gonocerca phycidis a stomach parasite of Gephyroberyx darwinii (Teleostei: Trachichthyidae) off the Senegal coast. ZOOMORPHOLOGY 2022. [DOI: 10.1007/s00435-022-00569-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
2
|
Miquel J, Kacem H, Baz-González E, Foronda P, Marchand B. Ultrastructural and molecular study of the microsporidian Toguebayea baccigeri n. gen., n. sp., a hyperparasite of the digenean trematode Bacciger israelensis (Faustulidae), a parasite of Boops boops (Teleostei, Sparidae). Parasite 2022; 29:2. [PMID: 35103588 PMCID: PMC8805611 DOI: 10.1051/parasite/2022007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 01/17/2022] [Indexed: 12/19/2022] Open
Abstract
A new microsporidian Toguebayea baccigeri n. gen., n. sp., hyperparasite of Bacciger israelensis (Digenea, Faustulidae), parasite of Boops boops (Teleostei, Sparidae) is described by means of transmission electron microscopy. The phylogenetic analysis, based on the SSU rDNA gene, places the new species in the clade containing mainly crustacean-infecting microsporidia of the genus Cucumispora, within superclade V (Marinosporidia) sensu Vossbrinck et al., 2014. Mature spores of T. baccigeri are ovoid, uninucleated and measure 2.5 × 1.4 μm. The number of coils of the polar tube is 8–10. The polaroplast is composed of an external lamellar part and an internal vesicular or granular part. The main differences that distinguish the new genus and new species from the closely related microsporidia include hyperparasitism in a digenean host infecting a marine fish, the geographic distribution (coast of Tunisia), presence of one nucleus at all developmental stages, disporoblastic sporogony, and the absence of sporophorous vacuoles.
Collapse
Affiliation(s)
- Jordi Miquel
- Secció de Parasitologia, Departament de Biologia, Sanitat i Medi Ambient, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Av. Diagonal, 645, 08028 Barcelona, Spain
| | - Hichem Kacem
- Laboratoire de Biodiversité Marine et Environnement, Département des Sciences de la Vie, Faculté des Sciences de Sfax, Université de Sfax, BP 1171, 3000 Sfax, Tunisia
| | - Edgar Baz-González
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, 38203 La Laguna, Canary Islands, Spain - Departmento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Facultad de Farmacia, Universidad de La Laguna, 38203 La Laguna, Canary Islands, Spain
| | - Pilar Foronda
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, 38203 La Laguna, Canary Islands, Spain - Departmento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Facultad de Farmacia, Universidad de La Laguna, 38203 La Laguna, Canary Islands, Spain
| | - Bernard Marchand
- CNRS, UMR SPE 6134, Université de Corse Pasquale Paoli, Projet GEM, 20250 Corte, France
| |
Collapse
|
3
|
Ndiaye PI, Marchand B, Bâ CT, Justine JL, Bray RA, Quilichini Y. A comparative study of the ultrastructural characteristics of the mature spermatozoa of two fellodistomids Tergestia clonacantha and T. laticollis and contribution to the phylogenetic knowledge of the Gymnophalloidea. ACTA ACUST UNITED AC 2020; 27:67. [PMID: 33258443 PMCID: PMC7708231 DOI: 10.1051/parasite/2020066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/16/2020] [Indexed: 11/14/2022]
Abstract
The ultrastructure of the mature spermatozoa of Tergestia clonacantha and T. laticollis collected from the digestive tracts of fishes from New Caledonia is described using transmission electron microscopy and compared to that of related species. The spermatozoa of the two species exhibit the general pattern described in most digeneans, namely two axonemes with the 9 + “1” pattern of the Trepaxonemata, nucleus, mitochondrion, cortical microtubules, an external ornamentation of the plasma membrane, spine-like bodies and granules of glycogen. The spermatozoa of T. clonacantha and T. laticollis show the same ultrastructural model with some specificities in each case, particularly in the disposition of the structures in the posterior extremities of the spermatozoon. This study confirms that ultrastructural characters of the mature spermatozoon are useful tools for the phylogenetic analysis of the Digenea.
Collapse
Affiliation(s)
- Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055 Dakar, Senegal
| | - Bernard Marchand
- UMR 6134 SPE, CNRS - Università di Corsica, Campus Grimaldi, 20250 Corte, Corsica, France
| | - Cheikh Tidiane Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055 Dakar, Senegal
| | - Jean-Lou Justine
- Institut Systématique Évolution Biodiversité (ISYEB), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP 51, 75231 Paris Cedex 05, France
| | - Rodney Alan Bray
- Department of Life Sciences, Natural History Museum, Cromwell Road, SW7 5BD London, United Kingdom
| | - Yann Quilichini
- UMR 6134 SPE, CNRS - Università di Corsica, Campus Grimaldi, 20250 Corte, Corsica, France
| |
Collapse
|
4
|
Houston C, Marchand B, Engelbert L, Cantwell CD. Reducing complexity and unidentifiability when modelling human atrial cells. Philos Trans A Math Phys Eng Sci 2020. [PMID: 32448063 DOI: 10.5061/dryad.p2ngf1vmc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Mathematical models of a cellular action potential (AP) in cardiac modelling have become increasingly complex, particularly in gating kinetics, which control the opening and closing of individual ion channel currents. As cardiac models advance towards use in personalized medicine to inform clinical decision-making, it is critical to understand the uncertainty hidden in parameter estimates from their calibration to experimental data. This study applies approximate Bayesian computation to re-calibrate the gating kinetics of four ion channels in two existing human atrial cell models to their original datasets, providing a measure of uncertainty and indication of potential issues with selecting a single unique value given the available experimental data. Two approaches are investigated to reduce the uncertainty present: re-calibrating the models to a more complete dataset and using a less complex formulation with fewer parameters to constrain. The re-calibrated models are inserted back into the full cell model to study the overall effect on the AP. The use of more complete datasets does not eliminate uncertainty present in parameter estimates. The less complex model, particularly for the fast sodium current, gave a better fit to experimental data alongside lower parameter uncertainty and improved computational speed. This article is part of the theme issue 'Uncertainty quantification in cardiac and cardiovascular modelling and simulation'.
Collapse
Affiliation(s)
- C Houston
- ElectroCardioMaths Programme, Centre for Cardiac Engineering, Imperial College, London, UK
- Department of Aeronautics, Imperial College, London, UK
| | - B Marchand
- Department of Aeronautics, Imperial College, London, UK
| | - L Engelbert
- Department of Aeronautics, Imperial College, London, UK
| | - C D Cantwell
- ElectroCardioMaths Programme, Centre for Cardiac Engineering, Imperial College, London, UK
- Department of Aeronautics, Imperial College, London, UK
| |
Collapse
|
5
|
Houston C, Marchand B, Engelbert L, Cantwell CD. Reducing complexity and unidentifiability when modelling human atrial cells. Philos Trans A Math Phys Eng Sci 2020; 378:20190339. [PMID: 32448063 PMCID: PMC7287336 DOI: 10.1098/rsta.2019.0339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Mathematical models of a cellular action potential (AP) in cardiac modelling have become increasingly complex, particularly in gating kinetics, which control the opening and closing of individual ion channel currents. As cardiac models advance towards use in personalized medicine to inform clinical decision-making, it is critical to understand the uncertainty hidden in parameter estimates from their calibration to experimental data. This study applies approximate Bayesian computation to re-calibrate the gating kinetics of four ion channels in two existing human atrial cell models to their original datasets, providing a measure of uncertainty and indication of potential issues with selecting a single unique value given the available experimental data. Two approaches are investigated to reduce the uncertainty present: re-calibrating the models to a more complete dataset and using a less complex formulation with fewer parameters to constrain. The re-calibrated models are inserted back into the full cell model to study the overall effect on the AP. The use of more complete datasets does not eliminate uncertainty present in parameter estimates. The less complex model, particularly for the fast sodium current, gave a better fit to experimental data alongside lower parameter uncertainty and improved computational speed. This article is part of the theme issue 'Uncertainty quantification in cardiac and cardiovascular modelling and simulation'.
Collapse
Affiliation(s)
- C. Houston
- ElectroCardioMaths Programme, Centre for Cardiac Engineering, Imperial College, London, UK
- Department of Aeronautics, Imperial College, London, UK
- e-mail:
| | - B. Marchand
- Department of Aeronautics, Imperial College, London, UK
| | - L. Engelbert
- Department of Aeronautics, Imperial College, London, UK
| | - C. D. Cantwell
- ElectroCardioMaths Programme, Centre for Cardiac Engineering, Imperial College, London, UK
- Department of Aeronautics, Imperial College, London, UK
| |
Collapse
|
6
|
Izquierdo-Rodríguez E, Fernández-Álvarez Á, Martín-Carrillo N, Marchand B, Feliu C, Miquel J, Foronda P, Quilichini Y. Pathogenic Leptospira species in rodents from Corsica (France). PLoS One 2020; 15:e0233776. [PMID: 32502160 PMCID: PMC7274395 DOI: 10.1371/journal.pone.0233776] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 05/12/2020] [Indexed: 11/18/2022] Open
Abstract
Leptospirosis is a worldwide emerging zoonotic disease caused by Leptospira species, that in some patients develop severe forms with high mortality. In France, Corsica is the area where the highest incidences have been reported. The present study was focused on the analysis of pathogenic Leptospira species in rodents of Corsica, as these micromammals are the main natural reservoirs of the bacteria, in order to identify the circulating species and to locate possible risk focuses of transmission, as no previous study on the presence of Leptospira species has been carried out in the island. Rattus rattus, Rattus norvegicus, Apodemus sylvaticus and Mus musculus domesticus were captured in the proximity of water sources along Corsica, the detection of pathogenic Leptospira species was carried out by amplification of the LipL32 gene. The bacteria were found in all the rodent species analyzed and widely. The general prevalence was 10.4%, reaching the maximum value in Bastia (45%). Leptospira interrogans and Leptospira borgpetersenii were identified by phylogenetic analysis, but also two sequences which corresponded to an unnamed Leptospira species, only previously found in rodents of New Caledonia. The high incidence of human leptospirosis in Corsica could be partially explained by the wide distribution of pathogenic Leptospira species identified in this study. Also, the presence of an unknown pathogenic species of Leptospira in an area with high prevalence, may be involved in the higher incidence of Leptospirosis in this island, however, the zoonotic capacity of this species remains unknown. The results obtained are interesting for public health since all positive samples were found near water sources and one of the routes of transmission of leptospirosis is contact with contaminated water. This information could help the competent entities to take preventive measures, reducing the incidence of human leptospirosis in Corsica.
Collapse
Affiliation(s)
- Elena Izquierdo-Rodríguez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Canary Islands, Spain.,Department Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Facultad de Farmacia, Universidad de La Laguna, La Laguna, Canary Islands, Spain
| | - Ángela Fernández-Álvarez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Canary Islands, Spain.,UMR SPE 6134, CNRS-Université de Corse, Projet GEM, 20250 Corte, France
| | - Natalia Martín-Carrillo
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Canary Islands, Spain.,Department Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Facultad de Farmacia, Universidad de La Laguna, La Laguna, Canary Islands, Spain
| | - Bernard Marchand
- UMR SPE 6134, CNRS-Université de Corse, Projet GEM, 20250 Corte, France
| | - Carlos Feliu
- Departament de Biologia, Sanitat i Medi Ambient, Facultat de Farmàcia i Ciències de l'Alimentació, Secció de Parasitologia, Universitat de Barcelona, Barcelona, Spain.,IRBio, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Jordi Miquel
- Departament de Biologia, Sanitat i Medi Ambient, Facultat de Farmàcia i Ciències de l'Alimentació, Secció de Parasitologia, Universitat de Barcelona, Barcelona, Spain.,IRBio, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Pilar Foronda
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Canary Islands, Spain.,Department Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Facultad de Farmacia, Universidad de La Laguna, La Laguna, Canary Islands, Spain
| | - Yann Quilichini
- UMR SPE 6134, CNRS-Université de Corse, Projet GEM, 20250 Corte, France
| |
Collapse
|
7
|
Bâ A, Marchand B, Ndiaye PI, Bâ CT, Bakhoum AJ, Bray RA, Quilichini Y. Ultrastructure of the spermatozoon of Labracetabulum gephyroberici (Digenea, Opecoelidae) intestinal parasite of Gephyroberyx darwinii (Teleostei, Trachichtyidae) in Senegal. ZOOL ANZ 2020. [DOI: 10.1016/j.jcz.2020.03.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
8
|
Ndom M, Diop G, Yanagida T, Quilichini Y, Dieye A, Marchand B, Nakao M, Ito A, Cheikh TBA. Morphological and genetic characterizations of Avitellina tapeworms from domestic ruminants in Senegal: An evidence of specificity among sheep and cattle host. Vet Parasitol Reg Stud Reports 2019; 18:100337. [PMID: 31796200 DOI: 10.1016/j.vprsr.2019.100337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 09/03/2019] [Accepted: 09/15/2019] [Indexed: 11/25/2022]
Abstract
Avitellina tapeworms are common intestinal parasites of ruminants with a worldwide distribution. In Senegal, only Avitellina centripunctata tapeworm has been reported to date, and genetic diversity was previously confirmed by enzymatic analysis. This study aims to clarify the diversity of Avitellina tapeworms isolated from sheep and cattle in Senegal. In total, 613 adult Avitellina tapeworms were collected from sheep and cattle. Morphological analysis by the light microscopy and scanning electron microscopy identified three Avitellina "morphospecies": A. centripunctata and Avitellina sp.2 were detected in sheep while Avitellina sp.3 was identified in cattle. Molecular phylogenetic analysis based on the complete mitochondrial cytochrome c oxidase subunit 1 gene (cox1) sequences revealed that 101 Avitellina tapeworms were divided into 54 haplotypes grouped into three clades, of which two were specific to sheep and one specific to cattle. Three morphospecies corresponded to each of three clades and the maximum pairwise divergence among the clades ranged from 9.7 to 18.5% in cox1. The present study demonstrates the unexpected diversity of Avitellina tapeworms in domestic ruminants, and emphasize the necessity of re-evaluation of the taxonomy of the genus.
Collapse
Affiliation(s)
- Mallé Ndom
- Laboratoire de Biologie Évolutive, d'Écologie et de Gestion des Écosystèmes, Faculté des Sciences et Techniques, Université Cheikh Anta DIOP de Dakar, BP 5005 Dakar, Sénégal.
| | - Gora Diop
- Laboratoire de Biologie Évolutive, d'Écologie et de Gestion des Écosystèmes, Faculté des Sciences et Techniques, Université Cheikh Anta DIOP de Dakar, BP 5005 Dakar, Sénégal
| | - Tetsuya Yanagida
- Laboratory of Veterinary Parasitology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida 1677-1, Yamaguchi 753-8515, Japan
| | - Yann Quilichini
- CNRS -UMR SPE 6134, Service d'Étude et de Recherche en Microscopie Électronique, Campus Grimaldi, BP 52, 20250 Corte, Université de Corse, Corse, France
| | - Alioune Dieye
- Service d'Immunologie FMPO, Université Cheikh Anta DIOP de Dakar, Dakar, Sénégal
| | - Bernard Marchand
- CNRS -UMR SPE 6134, Service d'Étude et de Recherche en Microscopie Électronique, Campus Grimaldi, BP 52, 20250 Corte, Université de Corse, Corse, France
| | - Minoru Nakao
- Department of Parasitology, Asahikawa Medical University, Asahikawa 078-8510, Japan
| | - Akira Ito
- Department of Parasitology, Asahikawa Medical University, Asahikawa 078-8510, Japan
| | - Tidiane B A Cheikh
- Laboratoire de Biologie Évolutive, d'Écologie et de Gestion des Écosystèmes, Faculté des Sciences et Techniques, Université Cheikh Anta DIOP de Dakar, BP 5005 Dakar, Sénégal
| |
Collapse
|
9
|
Izquierdo-Rodríguez E, Fernández-Álvarez Á, Martín-Carrilo N, Feliu C, Marchand B, Quilichini Y, Foronda P. Rodents as Reservoirs of the Zoonotic Pathogens Coxiella burnetii and Toxoplasma gondii in Corsica (France). Vector Borne Zoonotic Dis 2019; 19:879-883. [PMID: 31407951 DOI: 10.1089/vbz.2019.2485] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Coxiella burnetii and Toxoplasma gondii are intracellular pathogens that cause important reproductive disorders in humans and animals worldwide, which translates into high economic losses. The aim of this study was to analyze the possible role of peridomestic small mammals in the maintenance and transmission of C. burnetii and T. gondii in the Mediterranean island of Corsica, by the analysis of the seroprevalence in rodents. Our results showed a wide distribution of C. burnetii and T. gondii in Corsica in Rattus rattus and Mus musculus domesticus. The overall seroprevalence of anti-C. burnetii was 9.32%, being 8.73% from R. rattus and 13.33% from M. m. domesticus. With respect to T. gondii, seropositive rodents were observed in 12.96% of total animals, being 12.76% from rats and 14.29% from mice. Taking into consideration the large range of host these pathogens can infect, including humans and livestock, and their pathologies, the results provided by this study are relevant for public health and veterinary, and could help the governmental entities to prevent possible infectious focuses of Q fever and toxoplasmosis.
Collapse
Affiliation(s)
- Elena Izquierdo-Rodríguez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Canary Islands, Spain.,Departament Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Canary Islands, Spain
| | - Ángela Fernández-Álvarez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Canary Islands, Spain.,UMR PSE 6134, CNRS-University of Corsica, GEM Project, Corte, France
| | - Natalia Martín-Carrilo
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Canary Islands, Spain
| | - Carlos Feliu
- Section of Parasitologia, Department of Biologia, Sanitat i Medi Ambient, Faculty of Farmàcia i Ciències de l'Alimentació, University of Barcelona, Barcelona, Spain
| | - Bernard Marchand
- UMR PSE 6134, CNRS-University of Corsica, GEM Project, Corte, France
| | - Yann Quilichini
- UMR PSE 6134, CNRS-University of Corsica, GEM Project, Corte, France
| | - Pilar Foronda
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Canary Islands, Spain.,Departament Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Canary Islands, Spain
| |
Collapse
|
10
|
Chatterjee R, Marchand B, Bossanyi M, Boucher M. A277 DNA-PK SUSTAINS AUTOPHAGY AND PANCREATIC CANCER CELL GROWTH. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- R Chatterjee
- médecine/Gastroentérologie, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - B Marchand
- médecine/Gastroentérologie, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - M Bossanyi
- médecine/Gastroentérologie, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - M Boucher
- médecine/Gastroentérologie, Université de Sherbrooke, Sherbrooke, QC, Canada
| |
Collapse
|
11
|
Mattei X, Marchand B, Quilichini Y. A biflagellate spermatozoon in the African bonytongue Heterotis niloticus (Teleostei, Osteoglossidae). J Fish Biol 2019; 94:335-338. [PMID: 30565228 DOI: 10.1111/jfb.13894] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
In this transmission electron microscopy study, we describe the ultrastructure of the spermatozoon of Heterotis niloticus (Osteoglossiformes), which is distinguished by having two flagella. Our investigation also highlights the great diversity of sperm cell structures observed across osteoglossiform families, such as aflagellate (Gymnarchidae, Mormyridae), monoflagellate (Notopteridae, Pantodontidae) and biflagellate spermatozoa. As biflagellate spermatozoa are rare in vertebrates, we also summarize the orders and families known to possess this ultrastructural character, most of which are fishes.
Collapse
Affiliation(s)
- Xavier Mattei
- Université de Corse, Campus Grimaldi Bât 018, Corte, France
| | - Bernard Marchand
- UMR SPE 6134 CNRS - Université de Corse, Campus Grimaldi Bât 018, Corte, France
| | - Yann Quilichini
- UMR SPE 6134 CNRS - Université de Corse, Campus Grimaldi Bât 018, Corte, France
| |
Collapse
|
12
|
Ndiaye PI, Marchand B, Bâ CT, Justine JL, Bray RA, Quilichini Y. Ultrastructure of mature spermatozoa of three Bucephalidae (Prosorhynchus longisaccatus, Rhipidocotyle khalili and Bucephalus margaritae) and phylogenetic implications. ACTA ACUST UNITED AC 2018; 25:65. [PMID: 30526820 PMCID: PMC6284405 DOI: 10.1051/parasite/2018065] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 11/28/2018] [Indexed: 11/21/2022]
Abstract
We describe here the mature spermatozoa of three species of bucephalids, namely Bucephalus margaritae, Rhipidocotyle khalili and Prosorhynchus longisaccatus. This study provides the first ultrastructural data on the genera Bucephalus and Rhipidocotyle and enabled us to confirm the model of the mature spermatozoon in the Bucephalinae. The spermatozoon exhibits two axonemes with the 9 + “1” pattern of the Trepaxonemata, one of which is very short, lateral expansion, external ornamentation of the plasma membrane located in the anterior extremity of the spermatozoon and associated with cortical microtubules, spine-like bodies, a mitochondrion, and a nucleus. The maximum number of cortical microtubules is located in the anterior part of the spermatozoon. However, more studies are needed to elucidate if spine-like bodies are present in all the Bucephalinae or not. In the Prosorhynchinae, the mature spermatozoon exhibits a similar ultrastructural pattern. Some differences are observed, particularly the axoneme lengths and the arrangement of the spine-like bodies. The posterior extremity of the spermatozoon in the Bucephalinae exhibits only the nucleus, but prosorhynchines have microtubules.
Collapse
Affiliation(s)
- Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Bernard Marchand
- UMR 6134 SPE, CNRS - Università di Corsica, Campus Grimaldi, 20250 Corte, Corsica, France
| | - Cheikh Tidiane Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Jean-Lou Justine
- Institut Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, CP 51, 57 rue Cuvier, 75005 Paris, France
| | - Rodney A Bray
- Department of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom
| | - Yann Quilichini
- UMR 6134 SPE, CNRS - Università di Corsica, Campus Grimaldi, 20250 Corte, Corsica, France
| |
Collapse
|
13
|
Bâ A, Ndiaye PI, Bakhoum AJS, Bray RA, Bâ CT, Marchand B, Quilichini Y. Ultrastructure of the spermatozoon of Aephnidiogenes senegalensis (Digenea, Aephnidiogenidae), an intestinal parasite of Pomadasys jubelini (Teleostei, Haemulidae) off the coast of Dakar (Senegal). ZOOL ANZ 2018. [DOI: 10.1016/j.jcz.2018.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
14
|
Greenspan SL, Singer A, Vujevich K, Marchand B, Thompson DA, Hsu YJ, Vaidya D, Stern LS, Zeldow D, Lee DB, Karp S, Recker R. Implementing a fracture liaison service open model of care utilizing a cloud-based tool. Osteoporos Int 2018; 29:953-960. [PMID: 29429033 PMCID: PMC6481927 DOI: 10.1007/s00198-017-4371-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 12/25/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE Although half of women and one-quarter of men aged 50 and older will sustain an acute low-trauma fracture, less than a quarter receive appropriate secondary fracture prevention. The goal of this quality improvement demonstration project was to implement a Fracture Liaison Service (FLS) focused on secondary prevention of an osteoporotic fracture in three open health care systems aided by a cloud-based tool. METHODS The pre-post study design examined the proportion of men and women over age 50 who received appropriate assessment (bone mineral density, vitamin D levels) and treatment (calcium/vitamin D, pharmacologic therapy) in the six months following a recently diagnosed fracture. The pre-study (Pre FLS) included a retrospective chart review for baseline data (N = 344 patients) within each health care system. In the post-evaluation (Post FLS, N = 148 patients), the FLS coordinator from each health care system examined these parameters following enrollment and for 6 months following the recently diagnosed fracture. Data were managed in the cloud-based FLS application tool. RESULTS Ninety-three participants completed the program. The FLS program increased the percentage of patients receiving bone mineral density testing from 21% at baseline to 93% (p < 0.001) Post FLS implementation. Assessments of vitamin D levels increased from 25 to 84% (p < 0.001). Patients prescribed calcium/vitamin D increased from 36% at baseline to 93% (p < 0.001) and those prescribed pharmacologic treatment for osteoporosis increased on average from 20 to 54% (p < 0.001) Post FLS. CONCLUSIONS We conclude that the FLS model of care in an open health care system, assisted by a cloud-based tool, significantly improved assessment and/or treatment of patients with a recently diagnosed osteoporotic fracture. Future studies are necessary to determine if this model of care is scalable and if such programs result in prevention of fractures. Mini-Abstract: The goal was to implement a Fracture Liaison Service (FLS) focused on secondary prevention of an osteoporotic fracture in open health care systems aided by a cloud-based tool. This model significantly improved assessment and/or treatment of patients with a recently diagnosed fracture.
Collapse
Affiliation(s)
- S L Greenspan
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
| | - A Singer
- Department of Obstetrics and Gynecology and Medicine, MedStar Georgetown University Hospital, Washington, DC, USA
| | - K Vujevich
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - B Marchand
- CECity®, a subsidiary of Premier, Inc., Pittsburgh, PA, USA
| | - D A Thompson
- Johns Hopkins Armstrong Institute for Patient Safety and Quality, Baltimore, MD, USA
| | - Y-J Hsu
- Johns Hopkins Armstrong Institute for Patient Safety and Quality, Baltimore, MD, USA
| | - D Vaidya
- Johns Hopkins Armstrong Institute for Patient Safety and Quality, Baltimore, MD, USA
| | - L S Stern
- Merck Research Labs, Merck & Co., North Wales, PA, USA
| | - D Zeldow
- National Bone Health Alliance, Arlington, VA, USA
| | - D B Lee
- National Bone Health Alliance, Arlington, VA, USA
| | - S Karp
- CECity®, a subsidiary of Premier, Inc., Pittsburgh, PA, USA
| | - R Recker
- Department of Medicine, Creighton University Hospital, Omaha, NE, USA
| |
Collapse
|
15
|
Groleau M, Marchand B, Boucher M. A249 NEW POTENTIAL ROLE FOR TRANSCRIPTION FACTOR EB IN DNA REPAIR. J Can Assoc Gastroenterol 2018. [DOI: 10.1093/jcag/gwy008.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M Groleau
- Université de Sherbrooke, Sherbrooke, QC, Canada
| | - B Marchand
- médecine/Gastroentérologie, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - M Boucher
- Université de Sherbrooke, Sherbrooke, QC, Canada
| |
Collapse
|
16
|
Ndom M, Yanagida T, Diop G, Quilichini Y, Ba A, Sako Y, Nakao M, Marchand B, Dieye A, Ba CT, Ito A. Genetic and morphological characterization of Thysaniezia tapeworms from cattle and sheep in Senegal. Vet Parasitol Reg Stud Reports 2018; 11:27-31. [PMID: 31014614 DOI: 10.1016/j.vprsr.2017.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 11/05/2017] [Accepted: 11/16/2017] [Indexed: 11/26/2022]
Abstract
Genetic and morphological diversity of Thysaniezia tapeworms from cattle and sheep in Senegal was investigated using light and scanning microscopic observations and molecular analysis based on mitochondrial cytochrome c oxidase subunit 1 (cox1) and nuclear small subunit ribosomal RNA gene (SSU rDNA). A total of 52 adult tapeworms were collected from sheep and cattle. Although the tapeworms of the two hosts were morphologically very close, phylogenetic analysis based on cox1 and SSU rDNA gene sequences showed that they were divided into two clades corresponding each to a host. The maximum pairwise divergence between the clades were 12.1% in cox1 and 2.9% in SSU rDNA, indicating they are distinct species. The tapeworms collected from sheep were morphologically identified as Thysaniezia ovilla, a cosmopolitan species in domestic ruminants. Detailed morphological observations revealed a consistent difference between the tapeworms obtained from sheep and those from cattle. The latter were identified as Thysaniezia connochaeti. The present study highlights presence of two species of Thysaniezia among domestic ruminants in Senegal: T. ovilla specific to sheep and T. connochaeti specific to cattle. Our work is the first report of T. connochaeti from domestic animals.
Collapse
Affiliation(s)
- Mallé Ndom
- Université Cheikh Anta Diop de Dakar, Laboratoire de Biologie Évolutive, d'Écologie et Gestion des Écosystèmes, Faculté des Sciences et Techniques, BP 5005 Dakar, Senegal.
| | - Tetsuya Yanagida
- Laboratory of Veterinary Parasitology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida 1677-1, Yamaguchi 753-8515, Japan
| | - Gora Diop
- Université Cheikh Anta Diop de Dakar, Laboratoire de Biologie Évolutive, d'Écologie et Gestion des Écosystèmes, Faculté des Sciences et Techniques, BP 5005 Dakar, Senegal
| | - Yann Quilichini
- CNRS, Université de Corse, UMR SPE 6134, Service d'Étude et de Recherche en Microscopie Électronique, Campus Grimaldi, BP 52, 20250 Corte, Corse, France
| | - Aïssatou Ba
- Université Cheikh Anta Diop de Dakar, Laboratoire de Biologie Évolutive, d'Écologie et Gestion des Écosystèmes, Faculté des Sciences et Techniques, BP 5005 Dakar, Senegal
| | - Yasuhito Sako
- Department of Parasitology, Asahikawa Medical University, Asahikawa 078-8510, Japan
| | - Minoru Nakao
- Department of Parasitology, Asahikawa Medical University, Asahikawa 078-8510, Japan
| | - Bernard Marchand
- CNRS, Université de Corse, UMR SPE 6134, Service d'Étude et de Recherche en Microscopie Électronique, Campus Grimaldi, BP 52, 20250 Corte, Corse, France
| | - Alioune Dieye
- Unité d'Immunogénétique, Institut Pasteur de Dakar, Dakar, Senegal
| | - Cheikh Tidiane Ba
- Université Cheikh Anta Diop de Dakar, Laboratoire de Biologie Évolutive, d'Écologie et Gestion des Écosystèmes, Faculté des Sciences et Techniques, BP 5005 Dakar, Senegal
| | - Akira Ito
- Department of Parasitology, Asahikawa Medical University, Asahikawa 078-8510, Japan
| |
Collapse
|
17
|
Quinn P, Pearson C, Cheung A, King J, Chan D, Marchand B, Rudaks D, Quach A, Ferrante A, Gold M. P84: COMBINED IMMUNODEFICIENCY DUE TO DEFICIENCY OF ACTINRELATED PROTEIN COMPLEX 1B (ARPC1B). Intern Med J 2017. [DOI: 10.1111/imj.84_13578] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- P Quinn
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| | - C Pearson
- Women’s and Children’s Hospital; Adelaide Australia
| | - A Cheung
- Women’s and Children’s Hospital; Adelaide Australia
| | - J King
- Women’s and Children’s Hospital; Adelaide Australia
- SA Pathology; Adelaide Australia
| | - D Chan
- Women’s and Children’s Hospital; Adelaide Australia
| | - B Marchand
- Women’s and Children’s Hospital; Adelaide Australia
| | - D Rudaks
- Women’s and Children’s Hospital; Adelaide Australia
| | - A Quach
- SA Pathology; Adelaide Australia
| | | | - M Gold
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| |
Collapse
|
18
|
Chan D, King J, Dzeladini L, Marchand B, Gold M, Quinn P. P78: RUXOLITINIB USE IN A CHILD WITH CHRONIC MUCOCUTANEOUS CANDIDIASIS AND AUTOSOMAL DOMINANT SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 1 GAIN OF FUNCTION (STAT1 GOF) MUTATION. Intern Med J 2017. [DOI: 10.1111/imj.78_13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- D Chan
- Women’s and Children’s Hospital; Adelaide Australia
| | - J King
- Women’s and Children’s Hospital; Adelaide Australia
| | - L Dzeladini
- Women’s and Children’s Hospital; Adelaide Australia
| | - B Marchand
- Women’s and Children’s Hospital; Adelaide Australia
| | - M Gold
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| | - P Quinn
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| |
Collapse
|
19
|
Marchand B, Rudaks D, Gold M, Chan D, Quinn P. P79: INFECTED DERMATITIS ASSOCIATED WITH HTLV-1: A COPYCAT FOR CHILDHOOD CUTANEOUS CONDITIONS. Intern Med J 2017. [DOI: 10.1111/imj.79_13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- B Marchand
- Womens and Childrens Hospital; Adelaide Australia
| | - D Rudaks
- Womens and Childrens Hospital; Adelaide Australia
| | - M Gold
- Womens and Childrens Hospital; Adelaide Australia
| | - D Chan
- Womens and Childrens Hospital; Adelaide Australia
| | - P Quinn
- Womens and Childrens Hospital; Adelaide Australia
| |
Collapse
|
20
|
Gold M, Chan D, Marchand B, Dzeladini L, King J, Cheung A, Quinn P. P80: INTUSSCEPTION: A NOVEL PRESENTATION OF ACTIVATED PHOSPHOINOSITIDE 3-KINASE-Δ (PI3KΔ) SYNDROME (APDS). Intern Med J 2017. [DOI: 10.1111/imj.80_13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M Gold
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| | - D Chan
- Women’s and Children’s Hospital; Adelaide Australia
| | - B Marchand
- Women’s and Children’s Hospital; Adelaide Australia
| | - L Dzeladini
- Women’s and Children’s Hospital; Adelaide Australia
| | - J King
- Women’s and Children’s Hospital; Adelaide Australia
| | - A Cheung
- Women’s and Children’s Hospital; Adelaide Australia
| | - P Quinn
- Women’s and Children’s Hospital; Adelaide Australia
| |
Collapse
|
21
|
Marchand B, Gold M, Quinn P, Chan D. P91: NOVEL TREATMENT OF RECURRENT RESPIRATORY PAPILLOMATOSIS. Intern Med J 2017. [DOI: 10.1111/imj.91_13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- B Marchand
- Women’s and Children’s Hospital; Adelaide Australia
| | - M Gold
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| | - P Quinn
- Women’s and Children’s Hospital; Adelaide Australia
- University of Adelaide; Adelaide Australia
| | - D Chan
- Women’s and Children’s Hospital; Adelaide Australia
| |
Collapse
|
22
|
Marchand B, Smith A, Johannsen H, Horwood C, Ziegler C. P45: FALTERING GROWTH AND FEEDING DISORDERS IN THE FIRST 2 YEARS OF LIFE IN FOOD ALLERGIC CHILDREN. Intern Med J 2017. [DOI: 10.1111/imj.45_13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- B Marchand
- Flinders Medical Centre (Southern Adelaide Local Health Network), Adelaide; Australia
| | - A Smith
- Flinders Medical Centre (Southern Adelaide Local Health Network), Adelaide; Australia
- Flinders University of South Australia; Adelaide Australia
| | - H Johannsen
- Flinders Medical Centre (Southern Adelaide Local Health Network), Adelaide; Australia
- Flinders University of South Australia; Adelaide Australia
| | - C Horwood
- Flinders Medical Centre (Southern Adelaide Local Health Network), Adelaide; Australia
| | - C Ziegler
- Flinders Medical Centre (Southern Adelaide Local Health Network), Adelaide; Australia
| |
Collapse
|
23
|
Greani S, Lourkisti R, Berti L, Marchand B, Giannettini J, Santini J, Quilichini Y. Effect of chronic arsenic exposure under environmental conditions on bioaccumulation, oxidative stress, and antioxidant enzymatic defenses in wild trout Salmo trutta (Pisces, Teleostei). Ecotoxicology 2017; 26:930-941. [PMID: 28623431 DOI: 10.1007/s10646-017-1822-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/30/2017] [Indexed: 05/25/2023]
Abstract
The present study evaluates the relation between chronic arsenic (As) exposure in the natural distribution area of wild brown trout (Salmo trutta), oxidative stress and antioxidant enzymatic defenses. Two rivers of the same watershed were evaluated to highlight the correlation between As accumulation and the resulting stress: (i) the Presa River, which has high chronic As levels (2281.66 µg/L) due to past mining activity, and (ii) the Bravona River (control river). This metalloid was measured in main fish tissues (gills, kidney, liver, muscle, gonads and fins) and water. As organotropism in S. trutta was kidney > liver > gill > fin > gonad > muscle. The HepatoSomatic Index (HSI) and somatic condition (CF) were used to compare fish population conditions from both sites. Arsenic can be absorbed by the gills and can induce oxidative stress and disturb antioxidant defenses. The aim of this study was to evaluate oxidative stress response by measuring malondialdehyde (MDA) content, as a marker of lipid peroxidation, and antioxidant enzymatic defenses (Superoxide dismutase (SOD), catalase CAT, glutathione peroxidase (GPx) and glutathione S-transferase (GST)), in the main tissues of control and exposed trout. The highest MDA content was found in the kidney and liver of exposed trout. SOD and CAT activities in exposed livers and kidneys were considerably increased while a significant rise of GPx activity was observed only in the liver. GST activity was found to be significantly induced in the liver of exposed trout. The results demonstrate that arsenic bioaccumulation can induce lipid peroxidation and substantial modifications in antioxidant enzymatic defenses in main wild trout tissues.
Collapse
Affiliation(s)
- Samuel Greani
- Laboratoire Parasites et Ecosystèmes méditerranéens, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| | - Radia Lourkisti
- Laboratoire de Biochimie et Biologie moléculaire du végétal, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| | - Liliane Berti
- Laboratoire de Biochimie et Biologie moléculaire du végétal, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| | - Bernard Marchand
- Laboratoire Parasites et Ecosystèmes méditerranéens, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| | - Jean Giannettini
- Laboratoire de Biochimie et Biologie moléculaire du végétal, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| | - Jérémie Santini
- Laboratoire de Biochimie et Biologie moléculaire du végétal, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France.
| | - Yann Quilichini
- Laboratoire Parasites et Ecosystèmes méditerranéens, UMR CNRS 6134 SPE, Università di Corsica, F-20250, Corti, Corsica, France
| |
Collapse
|
24
|
Lizon J, Marchand B, Jay N, Florentin A. Détection des infections du site opératoire par datamining : apport des données médicales issues des systèmes d’information hospitaliers sur la performance d’un modèle de détection - Nancy, France. Rev Epidemiol Sante Publique 2017. [DOI: 10.1016/j.respe.2017.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
|
25
|
Bakhoum AJS, Miquel J, Ndiaye PI, Justine JL, Falchi A, Bâ CT, Marchand B, Quilichini Y. Advances in Spermatological Characters in the Digenea: Review and Proposal of Spermatozoa Models and Their Phylogenetic Importance. Adv Parasitol 2017; 98:111-165. [PMID: 28942768 DOI: 10.1016/bs.apar.2017.04.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The wide biodiversity and economic importance of digeneans have motivated a great deal of research in the last decade, focussing on their phylogenetic positions. Molecular research was instrumental for our understanding of phylogeny in the Digenea, but spermatological studies have also provided many results, which are potentially useful for phylogeny; however, the complete spermatological data set has never been reviewed in a whole phylogenetic perspective. Spermatological data are now available for more than 100 species, belonging to 15 superfamilies and 46 families. In this paper, we try to summarize the current knowledge about sperm structure in the digeneans and propose a classification of digenean spermatozoa into five basic models. The main ultrastructural characters used are (1) the type of axoneme, (2) the lateral expansion, (3) the association 'external ornamentation of the plasma membrane + cortical microtubules', (4) the field of cortical microtubules and its number, (5) the location of the external ornamentation, (6) the location of the maximum number of cortical microtubules and (7) the number of mitochondria. We also outline the most interesting features for phylogenetic inference and their possible value in the context of digenean systematics, phylogeny and evolution. Associations between sperm models and superfamilies were found as follows: Type 1 in the Schistosomatoidea; Type 2 in the Hemiuroidea; Type 3 in the Opecoeloidea, Lepocreadioidea, Haploporoidea and Opisthorchioidea; Type 4 in the Gorgoderoidea, Microphalloidea, Plagiorchioidea and Gymnophalloidea; Type 5 in the Echinostomatoidea, Microscaphidioidea, Paramphistomoidea, Pronocephaloidea and Brachylaimoidea.
Collapse
Affiliation(s)
- Abdoulaye J S Bakhoum
- CNRS - Università di Corsica, UMR 6134 - SPE, Corte, France; Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | - Jordi Miquel
- Universitat de Barcelona, Barcelona, Spain; IRBio, Barcelona, Spain
| | - Papa I Ndiaye
- Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | - Jean-Lou Justine
- Institut de Systématique, Évolution, Biodiversité, ISYEB, UMR7205 CNRS, EPHE, MNHN, UPMC, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | | | - Cheikh T Bâ
- Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | | | | |
Collapse
|
26
|
Ndiaye PI, Quilichini Y, Marigo AM, Bâ CT, Tkach VV, Marchand B. Ultrastructural characteristics of the mature spermatozoon of the digenean Sclerodistomum italicum (Stossich, 1893) (Hemiuroidea, Sclerodistomidae) intestinal parasite of Hypocanthus amia (Teleostei, Carangidae). Tissue Cell 2016; 49:15-21. [PMID: 28087142 DOI: 10.1016/j.tice.2016.12.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 12/18/2016] [Accepted: 12/18/2016] [Indexed: 10/20/2022]
Abstract
The mature spermatozoon of Sclerodistomum italicum is filiform, tapered at both ends and shows the following features: 2 axonemes of the 9+"1" pattern of the Trepaxonemata, mitochondrion, nucleus and parallel cortical microtubules. The specific features of the spermatozoon of S. italicum include the simultaneous presence of two types of extramembranous ornamentations, the presence of short cortical microtubules in the anterior part of the spermatozoon and the presence of only one bundle of cortical microtubules in the median part of the spermatozoon. Thus far these structures are known only in the Hemiuroidea. The presence of filamentous ornamentation in the anterior extremity of the spermatozoon has not previously been described in the Sclerodistomidae. Similar to spermatozoa of other hemiuroideans, S. italicum lack spine-like bodies described in spermatozoa of many digenean taxa. The posterior extremity of the spermatozoon exhibits the same ultrastructural characteristics typical of the Hemiuroidea.
Collapse
Affiliation(s)
- Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal.
| | - Yann Quilichini
- UMR SPE 6134, CNRS - Università di Corsica, SERME Service d'Etude et de Recherche en Microscopie Electronique, Campus Grimaldi, 20250 Corte, Corsica, France
| | - Adji Mama Marigo
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Cheikh Tidiane Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Vasyl V Tkach
- Department of Biology, University of North Dakota, Grand Forks, ND, USA
| | - Bernard Marchand
- UMR SPE 6134, CNRS - Università di Corsica, SERME Service d'Etude et de Recherche en Microscopie Electronique, Campus Grimaldi, 20250 Corte, Corsica, France
| |
Collapse
|
27
|
Greani S, Quilichini Y, Marchand B. Ultrastructural study of vitellogenesis and oogenesis of Crepidostomum metoecus (Digenea, Allocreadiidae), intestinal parasite of Salmo trutta (Pisces, Teleostei). ACTA ACUST UNITED AC 2016; 23:47. [PMID: 27845028 PMCID: PMC5112763 DOI: 10.1051/parasite/2016057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 10/18/2016] [Indexed: 11/14/2022]
Abstract
We describe the vitellogenesis and oogenesis of Crepidostomum metoecus from Salmo trutta collected in Corsica. This is the first study conducted in the Allocreadiidae family. The maturation of C. metoecus vitellocytes comprises four different stages depending on organelle content. The follicular vitellarium is surrounded by a basal lamina. Vitellocytes are randomly distributed into the vitellarium, although fully mature vitellocytes are found in the center of the follicle. During maturation, the nucleo-cytoplasmic ratio decreases, whereas synthetic activity increases. Fully mature vitellocytes are filled with β-glycogen particles and shell globule clusters. Compared to other trematodes studied, C. metoecus possesses a large amount of nutritive reserves for the developing embryo and high quantities of material for the developing shell. Oocyte maturation takes place in four stages: oogonia, primary oocytes, developing oocytes, and mature oocytes. Developing oocytes enter the zygotene-pachytene stage of the first meiotic division recognizable by the presence of synaptonemal complexes in the nucleoplasm. The low protein composition of mature oocytes associated with the large nutrient content of vitellocytes of C. metoecus enables us to consider that oocytes do not take part of the nutrition of the future embryo of the miracidium. A cytochemical test (Thiéry method) allowed us to detect the presence of polysaccharides and glycogen during maturation of these two cell types.
Collapse
Affiliation(s)
- Samuel Greani
- University of Corsica, CNRS, UMR 6134 - SPE, Parasites and Mediterranean Ecosystems Laboratory, 20250 Corte, Corsica, France
| | - Yann Quilichini
- University of Corsica, CNRS, UMR 6134 - SPE, Parasites and Mediterranean Ecosystems Laboratory, 20250 Corte, Corsica, France
| | - Bernard Marchand
- University of Corsica, CNRS, UMR 6134 - SPE, Parasites and Mediterranean Ecosystems Laboratory, 20250 Corte, Corsica, France
| |
Collapse
|
28
|
Quilichini Y, Bakhoum AJS, Justine JL, Bray RA, Bâ CT, Marchand B. Spermatozoon ultrastructure in two monorchiid digeneans. PeerJ 2016; 4:e2488. [PMID: 27688980 PMCID: PMC5036076 DOI: 10.7717/peerj.2488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 08/25/2016] [Indexed: 11/20/2022] Open
Abstract
Spermatological characteristics of species from two monorchiid genera, Opisthomonorchis and Paramonorcheides, have been investigated, for the first time, by means of transmission electron microscopy. The ultrastructural study reveals that the mature spermatozoon of Opisthomonorchis dinema and Paramonorcheides selaris share several characters such as the presence of two axonemes of different lengths showing the 9+"1" pattern of the Trepaxonemata, a nucleus, two mitochondria, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies, granules of glycogen and similar morphologies of the anterior and posterior extremities. The slight differences between the male gamete of O. dinema and P. selaris are the length of the first axoneme and the position of the second mitochondrion. This study also elucidates the general morphology of the spermatozoon in all monorchiid species described so far, which corresponds to a unique spermatozoon type. Other interesting finds concern the spermatological similarities between monorchiid spermatozoa and the mature spermatozoon reported in the apocreadiid Neoapocreadium chabaudi. These similarities allow us to suggest a close phylogenetical relationship between the Monorchiidae and the Apocreadiidae, although more studies are needed, especially in the unexplored taxa.
Collapse
Affiliation(s)
- Yann Quilichini
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica , Corte , Corsica , France
| | - Abdoulaye J S Bakhoum
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica, Corte, Corsica, France; Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, University Cheikh Anta Diop of Dakar, Dakar, Senegal
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle de Paris, Sorbonne Universités , Paris , France
| | - Rodney A Bray
- Department of Life Sciences, National History Museum of London , London , United Kingdom
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, University Cheikh Anta Diop of Dakar , Dakar , Senegal
| | - Bernard Marchand
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica , Corte , Corsica , France
| |
Collapse
|
29
|
Yemmen C, Quilichini Y, Marchand B, Bahri S. Ultrastructural observations on the development of Ceratomyxa aegyptiaca (Myxozoa: Bivalvulida) infecting Solea aegyptiaca (Pleuronectiformes: Soleidae) from Tunisian coastal lagoon. Zootaxa 2016; 4161:295-300. [PMID: 27615932 DOI: 10.11646/zootaxa.4161.2.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Indexed: 11/04/2022]
Abstract
Ultrastructural description of Ceratomyxa aegyptiaca Yemmen, Marton, Eszterbauer and Bahri, 2012 infecting the gallbladder of Solea aegyptiaca Chabanaud, 1927 from a tunisian north-east costal lagoon, was presented in this study. The primary cell was attached to the gallbladder epithelium and presented at one side cytoplasmic projections corresponding to pinocytotic invaginations. Netherless, early sporogonic stages development was carried with contact to the epithelial cells of gallbladder. Immature spores were identified in early sporoblasts by their valvogenic, capsulogenic and binucleated sporoplasmic cells. Capsulogenesis was asynchronous. Each capsulogenic cell presented a large condensed nucleus and a capsular primordium that extended into an external tube. The eversion and coiling of the external tube gave rise to the polar filament, which displayed six turns and an apical plug.
Collapse
Affiliation(s)
- Chiraz Yemmen
- Unité de Biologie Intégrative et d'Ecologie Fonctionnelle et Evolutive des Milieux Aquatiques, Faculté des Sciences de Tunis, Université Tunis El Manar;
| | - Yann Quilichini
- CNRS - Università di Corsica, UMR 6134 - SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, 20250 Corte, Corse, France; unknown
| | - Bernard Marchand
- CNRS - Università di Corsica, UMR 6134 - SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, 20250 Corte, Corse, France; unknown
| | - Sihem Bahri
- Unité de Biologie Intégrative et d'Ecologie Fonctionnelle et Evolutive des Milieux Aquatiques, Faculté des Sciences de Tunis, Université Tunis El Manar; unknown
| |
Collapse
|
30
|
Diagne PM, Bâ CT, Ndiaye PI, Bray RA, Marchand B, Quilichini Y. Sperm ultrastructure of Podocotyloides magnatestis (Digenea, Opecoeloidea, Opecoelidae) a parasite of Parapristipoma octolineatum (Pisces, Teleostei). ZOOL ANZ 2016. [DOI: 10.1016/j.jcz.2016.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
31
|
Toguebaye BS, Marchand B, Faye N. Preliminary observations on a microsporidian parasite ofChloroscombrus chrysurusLinnaeus, 1776 (Teleost fish). ACTA ACUST UNITED AC 2016. [DOI: 10.1051/parasite/1989642157] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
|
32
|
Bâ CT, Marchand B. Étude ultrastructurale du spermatozoïde deMoniezia expansaetM. benedeni(Cestoda, Cyclophyllidea, Anoplocephalidae). ACTA ACUST UNITED AC 2016. [DOI: 10.1051/parasite/1992674111] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
|
33
|
Mouillot D, Culioli JM, Wilson B, Frodello JP, Mouillot F, Leprêtre A, Marchand B. Number, length, area or biomass: Can there be intermediates? Écoscience 2016. [DOI: 10.1080/11956860.2001.11682653] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
34
|
Baudouin M, Marengo M, Pere A, Culioli JM, Santoni MC, Marchand B, Durieux EDH. Comparison of otolith and scale readings for age and growth estimation of common dentex Dentex dentex. J Fish Biol 2016; 88:760-766. [PMID: 26563912 DOI: 10.1111/jfb.12816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 09/17/2015] [Indexed: 06/05/2023]
Abstract
Three methods of age estimation were compared for Dentex dentex. Based on sectioned otoliths, scales appeared to be relevant only up to 5 years and whole otoliths up to 12 years. The maximum estimated age was 36 years, which constitutes to date the oldest age reported.
Collapse
Affiliation(s)
- M Baudouin
- University of Corsica Pasquale Paoli, UMR 6134 CNRS-UCPP Sciences pour l'Environnement, 20250 Corte, France
- University of Corsica Pasquale Paoli, UMS 3514 CNRS-UCPP Plateforme marine Stella Mare, 20620 Biguglia, France
| | - M Marengo
- University of Corsica Pasquale Paoli, UMR 6134 CNRS-UCPP Sciences pour l'Environnement, 20250 Corte, France
- University of Corsica Pasquale Paoli, UMS 3514 CNRS-UCPP Plateforme marine Stella Mare, 20620 Biguglia, France
| | - A Pere
- Station de Recherches Sous-marines et Océanographiques (STARESO), 20260 Calvi, France
| | - J-M Culioli
- Réserve Naturelle des Bouches de Bonifacio, Office de l'Environnement de la Corse, 20169 Bonifacio, France
| | - M-C Santoni
- Réserve Naturelle des Bouches de Bonifacio, Office de l'Environnement de la Corse, 20169 Bonifacio, France
| | - B Marchand
- University of Corsica Pasquale Paoli, UMR 6134 CNRS-UCPP Sciences pour l'Environnement, 20250 Corte, France
- University of Corsica Pasquale Paoli, UMS 3514 CNRS-UCPP Plateforme marine Stella Mare, 20620 Biguglia, France
| | - E D H Durieux
- University of Corsica Pasquale Paoli, UMR 6134 CNRS-UCPP Sciences pour l'Environnement, 20250 Corte, France
- University of Corsica Pasquale Paoli, UMS 3514 CNRS-UCPP Plateforme marine Stella Mare, 20620 Biguglia, France
| |
Collapse
|
35
|
Bakhoum AJS, Quilichini Y, Justine JL, Bray RA, Miquel J, Feliu C, Bâ CT, Marchand B. First spermatological study in the Atractotrematidae (Digenea, Haploporoidea): the case of Atractotrema sigani, intestinal parasite of Siganus lineatus. ACTA ACUST UNITED AC 2015; 22:26. [PMID: 26475645 PMCID: PMC4609001 DOI: 10.1051/parasite/2015026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 09/25/2015] [Indexed: 11/14/2022]
Abstract
The ultrastructural organization of the mature spermatozoon of the digenean Atractotrema sigani (from Siganus lineatus off New Caledonia) was investigated by transmission electron microscopy. The male gamete of A. sigani exhibits the general morphology described in digeneans with the presence of two axonemes of different lengths showing the 9 + “1” pattern of the Trepaxonemata, a nucleus, two mitochondria, two bundles of parallel cortical microtubules, external ornamentation, spine-like bodies and granules of glycogen. However, the mature spermatozoon of A. sigani has some specific characters such as the morphology of its anterior region and the submembranous electron-dense material. Although similar structures have been reported in some digenean species, the presence of a submembranous electron-dense material describing a complete ring is reported here for the first time in the mature spermatozoon of A. sigani. In addition, sperm characteristics are compared between the Haploporoidea and their supposed close superfamilies, and possible phylogenetic implications of these findings for the Digenea are discussed.
Collapse
Affiliation(s)
- Abdoulaye J S Bakhoum
- CNRS-Università di Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte 20250, Corsica, France - Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Yann Quilichini
- CNRS-Università di Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte 20250, Corsica, France
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle, Sorbonne Universités, CP 51, 55 rue Buffon 75231, Paris cedex 05, France
| | - Rodney A Bray
- Department of Life Sciences, Natural History Museum, Cromwell Road, SW7 5BD London, UK
| | - Jordi Miquel
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitàries, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain
| | - Carlos Feliu
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitàries, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Bernard Marchand
- CNRS-Università di Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte 20250, Corsica, France
| |
Collapse
|
36
|
Antonelli L, Foata J, Quilichini Y, Marchand B. Influence of season and site location on European cultured sea bass parasites in Corsican fish farms using indicator species analysis (IndVal). Parasitol Res 2015; 115:561-8. [PMID: 26446088 DOI: 10.1007/s00436-015-4772-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/01/2015] [Indexed: 11/24/2022]
Abstract
The parasites of 536 European sea bass, Dicentrarchus labrax, were studied between January 2012 and December 2013 in six Corsican fish farms. The indicator value (IndVal) method, which combines measures of fidelity and specificity, has been used in this study. Because of its resilience to changes in abundance, IndVal is a particularly effective tool for ecological bioindicator. The IndVal method showed how season can influence the occurrence of parasite species in cultured sea bass and also identified parasites as bioindicators relative to fish farm location. The combination of specificity and fidelity highlighted several parasite species as significant indicators. A randomization test identified five parasite species as having a significant indicator value for season (the monogenean Diplectanum aequans; the copepods Lernanthropus kroyeri and Caligus minimus; the isopod Ceratothoa oestroides, and the myxosporidian Ceratomyxa labracis). If gills parasites are compared, they can be seen to be indicator species for two different seasons. The only Monogenea species D. aequans had fidelity and specificity more pronounced in winter, whereas both copepod species and the Isopoda revealed highest rates of infestation corresponding with an increase of water temperature. Four species have a significant indicator value for site location (D. aequans, L. kroyeri, C. minimus, and C. oestroides). The fact that the farm 6 was isolated on the east coast of Corsica may not have allowed the parasite to infect other farms. The presence of copepods on a single farm can also be explained according to salinity variations. Data for species composition and infection levels should help to improve the monitoring and management of parasitism in cultured sea bass populations.
Collapse
Affiliation(s)
- Laetitia Antonelli
- Syndicat des Aquaculteurs Corses Mare & Stagni Corsi, Faculté des Sciences et Techniques, Université de Corse, Campus Grimaldi, B.P. 52, 20250, Corte, France.
| | - Joséphine Foata
- UMR CNRS 6134 SPE, Laboratoire Parasites et Écosystèmes Méditerranéens, Faculté des Sciences et Techniques, Université de Corse, Campus Grimaldi, B.P. 52, 20250, Corte, France
| | - Yann Quilichini
- UMR CNRS 6134 SPE, Laboratoire Parasites et Écosystèmes Méditerranéens, Faculté des Sciences et Techniques, Université de Corse, Campus Grimaldi, B.P. 52, 20250, Corte, France
| | - Bernard Marchand
- UMR CNRS 6134 SPE, Laboratoire Parasites et Écosystèmes Méditerranéens, Faculté des Sciences et Techniques, Université de Corse, Campus Grimaldi, B.P. 52, 20250, Corte, France
| |
Collapse
|
37
|
Quilichini Y, Ndiaye PI, Sène A, Justine JL, Bray RA, Tkach VV, Bâ CT, Marchand B. Ultrastructural characters of the spermatozoa in Digeneans of the genus Bianium Stunkard, 1930 (Digenea, Lepocreadiidae) parasites of fishes: a comparative study of Bianium plicitum and Bianium arabicum. Parasitol Res 2015. [PMID: 26220557 DOI: 10.1007/s00436-015-4604-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
38
|
Diagne P, Quilichini Y, Bâ C, Ndiaye P, Dione A, Marchand B. Ultrastructure of the spermatozoon of Helicometroides atlanticus (Digenea, Monorchiidae), an intestinal parasite of Parapristipoma octolineatum (Pisces, Teleostei) in Senegal. Tissue Cell 2015; 47:198-204. [DOI: 10.1016/j.tice.2014.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 12/17/2014] [Accepted: 12/19/2014] [Indexed: 10/24/2022]
|
39
|
Bakhoum AJ, Quilichini Y, Miquel J, Feliu C, Bâ CT, Marchand B. Ultrastructure of the male gamete of Brachylecithum eliomydis (Digenea, Dicrocoeliidae)—A parasite of Eliomys quercinus (Rodentia, Gliridae). ZOOL ANZ 2015. [DOI: 10.1016/j.jcz.2015.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
40
|
Bakhoum AJS, Quilichini Y, Justine JL, Bray RA, Bâ CT, Marchand B. Neomultitestis aspidogastriformis Bray and Cribb, 2003 (Digenea, Lepocreadiidae): mature spermatozoon and sperm morphologies in the Lepocreadioidea. Cell Biol Int 2015; 39:799-807. [PMID: 25644308 DOI: 10.1002/cbin.10449] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 01/15/2015] [Indexed: 11/11/2022]
Abstract
Spermatological characteristics are described for the first time in the genus Neomultitestis Machida, 1982, belonging to the family Lepocreadiidae Odhner, 1905. Adult Neomultitestis aspidogastriformis were collected from the digestive tract of Platax teira, caught off New Caledonia. The mature spermatozoon of N. aspidogastriformis is described by transmission electron microscopy (TEM). It includes two axonemes with 9 + "1" pattern of Trepaxonemata, an antero-lateral electron-dense material, attachment zones, two mitochondria, a nucleus, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies, and granules of glycogen. Certain ultrastructural characteristics of the spermatozoon, especially the antero-lateral electron-dense material, are shared by N. aspidogastriformis and all species of the superfamily Lepocreadioidea studied so far. The antero-lateral electron-dense material, present in different families of lepocreadioids, supports the monophyletic status of the superfamily. We also list several ultrastructural characteristics which characterize the mature spermatozoon of the Lepocreadioidea.
Collapse
Affiliation(s)
- Abdoulaye J S Bakhoum
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France.,Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP, 5055, Dakar, Senegal
| | - Yann Quilichini
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle, CP 51, 55 rue Buffon, 75231, Paris cedex 05, France
| | - Rodney A Bray
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP, 5055, Dakar, Senegal
| | - Bernard Marchand
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France
| |
Collapse
|
41
|
Bakhoum AJS, Quilichini Y, Justine JL, Bray RA, Bâ CT, Marchand B. Ultrastructural study of sperm cells in Acanthocolpidae: the case of Stephanostomum murielae and Stephanostomoides tenuis (Digenea). PeerJ 2015; 3:e744. [PMID: 25699200 PMCID: PMC4330903 DOI: 10.7717/peerj.744] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 01/06/2015] [Indexed: 11/20/2022] Open
Abstract
The mature spermatozoa of Stephanostomum murielae and Stephanostomoides tenuis are described by transmission electron microscopy. They present several ultrastructural features previously reported in other digeneans. Their spermatozoa possess two axonemes of different length showing the 9 + '1' trepaxonematan pattern, four attachment zones, two mitochondria (with an anterior moniliform one in S. murielae), a nucleus, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies and granules of glycogen. The main differences between the mature spermatozoon of S. murielae and S. tenuis are the maximum number of cortical microtubules, the morphology of the anterior spermatozoon extremity and the anterior mitochondrion. This study is the first concerning members of the family Acanthocolpidae. The main ultrastructural characteristics discussed are the morphology of the anterior and posterior spermatozoon extremities, antero-lateral electron dense material, external ornamentations, spine-like bodies and number and morphology of mitochondria. In addition, the phylogenetic significance of all these ultrastructural features is discussed and compared to molecular results in order to highlight the complex relationships in the Digenea.
Collapse
Affiliation(s)
- Abdoulaye J S Bakhoum
- SERME Service d'Étude et de Recherche en Microscopie Electronique, UMR 6134-SPE CNRS-Università di Corsica , Corte, Corsica , France ; Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar , Dakar , Senegal
| | - Yann Quilichini
- SERME Service d'Étude et de Recherche en Microscopie Electronique, UMR 6134-SPE CNRS-Università di Corsica , Corte, Corsica , France
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle , Paris Cedex , France
| | - Rodney A Bray
- Department of Life Sciences, Natural History Museum , London , United Kingdom
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar , Dakar , Senegal
| | - Bernard Marchand
- SERME Service d'Étude et de Recherche en Microscopie Electronique, UMR 6134-SPE CNRS-Università di Corsica , Corte, Corsica , France
| |
Collapse
|
42
|
Bakhoum AJ, Quilichini Y, Miquel J, Feliu C, Bâ CT, Marchand B. Collyricloides massanae (Digenea, Collyriclidae): spermatozoon ultrastructure and phylogenetic importance. ACTA ACUST UNITED AC 2014; 21:59. [PMID: 25394323 PMCID: PMC4230190 DOI: 10.1051/parasite/2014061] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 10/31/2014] [Indexed: 12/05/2022]
Abstract
The spermatological characteristics of Collyricloides massanae (Digenea: Collyriclidae), a parasite of Apodemus sylvaticus caught in France, were studied by means of transmission electron microscopy. The mature sperm of C. massanae presents two axonemes of different lengths with the 9 + “1” pattern of the Trepaxonemata, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies, one mitochondrion, a nucleus and granules of glycogen. An analysis of spermatological organisation emphasised some differences between the mature spermatozoon of C. massanae and those reported in the Gorgoderoidea species studied to date, specially belonging to the families Dicrocoeliidae, Paragonimidae and Troglotrematidae. The ultrastructural criteria described in C. massanae such as the morphology of both anterior and posterior spermatozoon extremities, the association “external ornamentation + cortical microtubules”, the type 2 of external ornamentation and the spine-like bodies would allow us to bring closer the Collyriclidae to Microphalloidea. However, further ultrastructural and molecular studies are needed particularly in the unexplored taxa in order to fully resolve the phylogenetic position of the Collyriclidae.
Collapse
Affiliation(s)
- Abdoulaye Jacque Bakhoum
- CNRS - University of Corsica, UMR SPE 6134, SERME "Service d'Étude et de Recherche en Microscopie Électronique", 20250 Corte, France - Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Yann Quilichini
- CNRS - University of Corsica, UMR SPE 6134, SERME "Service d'Étude et de Recherche en Microscopie Électronique", 20250 Corte, France
| | - Jordi Miquel
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitàries, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain
| | - Carlos Feliu
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitàries, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain
| | - Cheikh Tidiane Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Bernard Marchand
- CNRS - University of Corsica, UMR SPE 6134, SERME "Service d'Étude et de Recherche en Microscopie Électronique", 20250 Corte, France
| |
Collapse
|
43
|
Ndiaye PI, Quilichini Y, Sène A, Tkach VV, Bâ CT, Marchand B. Ultrastructural characters of the spermatozoa in Digeneans of the genus Lecithochirium Lühe, 1901 (Digenea, Hemiuridae), parasites of fishes: comparative study of L. microstomum and L. musculus. ACTA ACUST UNITED AC 2014; 21:49. [PMID: 25275216 PMCID: PMC4178227 DOI: 10.1051/parasite/2014050] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 09/17/2014] [Indexed: 11/15/2022]
Abstract
This study provides the first ultrastructural data of spermatozoa in the genus Lecithochirium. The spermatozoa of L. microstomum (from Trichiurus lepturus in Senegal) and L. musculus (from Anguilla anguilla in Corsica) exhibit the general pattern described in the great majority of the Digenea, namely two axonemes with the 9 + "1" pattern typical of the Trepaxonemata, one mitochondrion, a nucleus, parallel cortical microtubules and external ornamentation of the plasma membrane. Spermatozoa of L. microstomum and L. musculus have some specific features such as the presence of a reduced number of cortical microtubules arranged on only one side of the spermatozoon, the lack of spine-like bodies and expansion of the plasma membrane. The external ornamentation of the plasma membrane entirely covers the anterior extremity of the spermatozoa. The ultrastructure of the posterior extremity of the spermatozoa corresponds to the pattern previously described in the Hemiuridae, characterized by only singlets of the second axoneme. A particularity of these spermatozoa is the organization of the microtubule doublets of the second axoneme around the nucleus in the posterior part of the spermatozoon.
Collapse
Affiliation(s)
- Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar Senegal
| | - Yann Quilichini
- CNRS - University of Corsica, UMR 6134, "Service d'Étude et de Recherche en Microscopie Électronique", 20250 Corte, Corsica, France
| | - Aminata Sène
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar Senegal
| | - Vasyl V Tkach
- Department of Biology, University of North Dakota, 10 Cornell street, Grand Forks, ND 58202, USA
| | - Cheikh Tidiane Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar Senegal
| | - Bernard Marchand
- CNRS - University of Corsica, UMR 6134, "Service d'Étude et de Recherche en Microscopie Électronique", 20250 Corte, Corsica, France
| |
Collapse
|
44
|
Toguebaye BS, Quilichini Y, Diagne PM, Marchand B. Ultrastructure and development of Nosema podocotyloidis n. sp. (Microsporidia), a hyperparasite of Podocotyloides magnatestis (Trematoda), a parasite of Parapristipoma octolineatum (Teleostei). Parasite 2014; 21:44. [PMID: 25174849 PMCID: PMC4150386 DOI: 10.1051/parasite/2014044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 08/08/2014] [Indexed: 11/14/2022] Open
Abstract
Nosema podocotyloidis n. sp. (Microsporidia, Nosematidae) is described from Podocotyloides magnatestis (Trematoda: Opecoelidae), a parasite of the fish Parapristipoma octolineatum (Teleostei) in the Atlantic Ocean. Electron microscopy reveals that all the stages of the cycle (merogony and sporogony) are diplokaryotic and in direct contact with the cytoplasm of host cells. There is no sporophorous vesicle (pansporoblast). The earliest stages observed are meronts, which have a simple plasmic membrane. Their cytoplasm is granular, rich in ribosomes and contains some sacculi of endoplasmic reticulum. They divide by binary fission into diplokaryotic sporonts. The sporonts have a thick electron-dense wall. Their diplokaryon is slightly less electron-dense than the cytoplasm. The cytoplasm of more advanced sporonts has numerous electron-lucent vesicles. Sporonts with two diplokarya divide by binary fission into diplokaryotic sporoblasts. The older sporoblasts are irregular or elongate and the polar filament is in formation. Their cytoplasm is denser, with ribosomes and lamellae of granular endoplasmic reticulum. The sporoblasts evolve into spores. The mature spores are broadly oval and measure 3.6 (3.1-4.0) × 2.58 (1.8-3.3) μm. Their wall is 100-300 nm thick. The polar tube is isofilar with 11-16 coils, 130-155 nm in diameter and arranged in many layers in the centre of the spore. The polaroplast is divided into two regions: an outer electron-dense cup with granular content and lacking lamellae and an internal region, less electron-dense, composed of irregularly arranged sacs. The posterior vacuole, with an amorphous electron-dense content, is present. The new species is compared with other species of Nosema from trematodes.
Collapse
Affiliation(s)
- Bhen Sikina Toguebaye
-
Université Cheikh Anta Diop de Dakar, Laboratoire de Parasitologie, Faculté des Sciences et Techniques BP 5055 Dakar République du Sénégal
| | - Yann Quilichini
-
CNRS – Université de Corse, UMR SPE 6134, Service d’Étude et de Recherche en Microscopie Électronique, Campus Grimaldi BP 52 20250 Corte Corse France
| | - Papa Mbagnick Diagne
-
Université Cheikh Anta Diop de Dakar, Laboratoire de Biologie Évolutive, d’Écologie et de Gestion des Écosystèmes, Faculté des Sciences et Techniques BP 5055 Dakar République du Sénégal
| | - Bernard Marchand
-
CNRS – Université de Corse, UMR SPE 6134, Service d’Étude et de Recherche en Microscopie Électronique, Campus Grimaldi BP 52 20250 Corte Corse France
| |
Collapse
|
45
|
Greani S, Quilichini Y, Foata J, Greiman SE, Ndiaye PI, Tkach VV, Marchand B. Vitellogenesis of the digenean Plagiorchis elegans (Rudolphi, 1802) (Plagiorchioidea, Plagiorchiidae). Parasitol Int 2014; 63:537-43. [PMID: 24569135 DOI: 10.1016/j.parint.2013.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 11/06/2013] [Accepted: 12/20/2013] [Indexed: 11/16/2022]
Abstract
The ultrastructural organization of vitellogenesis of Plagiorchis elegans (Rudolphi, 1802), experimentally obtained from the golden hamster Mesocricetus auratus (Linnaeus, 1758), is described using transmission electron microscopy. This study is the first ultrastructural study of vitellogenesis in a member of the superfamily Plagiorchioidea. The four stages usually observed during vitellogenesis are described: stage I, cytoplasm of the vitellocytes mainly filled with ribosomes and few mitochondria; stage II, beginning of the synthetic activity; stage III, active synthesis of the shell globule clusters; stage IV, vitellocytes are filled with shell globule clusters and contain several lipid droplets, and glycogen granules are grouped around clusters and droplets. Vitellogenesis in P. elegans is compared with that of other Digenea. The differences among P. elegans and previously studied digeneans include, but are not limited to the occurrence of dense coiled endoplasmic reticulum saccules and the concentration of glycogen in the mesenchyme, which may be considered as a fifth stage of maturation of the vitelline glands. This peculiarity was not observed in all trematodes, which clearly indicates differences in the vitellogenesis in various digenean lineages at different stages of maturation of their vitelline cells.
Collapse
Affiliation(s)
- Samuel Greani
- University of Corsica, CNRS UMR 6134, Laboratory "Parasites and Mediterranean Ecosystems", 20250 Corte, Corsica, France.
| | - Yann Quilichini
- University of Corsica, CNRS UMR 6134, Laboratory "Parasites and Mediterranean Ecosystems", 20250 Corte, Corsica, France
| | - Joséphine Foata
- University of Corsica, CNRS UMR 6134, Laboratory "Parasites and Mediterranean Ecosystems", 20250 Corte, Corsica, France
| | - Stephen E Greiman
- Department of Biology, University of North Dakota, 10 Cornell Street, 101 Starcher Hall, Grand Forks, ND 58202, USA
| | - Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | - Vasyl V Tkach
- Department of Biology, University of North Dakota, 10 Cornell Street, 101 Starcher Hall, Grand Forks, ND 58202, USA
| | - Bernard Marchand
- University of Corsica, CNRS UMR 6134, Laboratory "Parasites and Mediterranean Ecosystems", 20250 Corte, Corsica, France
| |
Collapse
|
46
|
Diouf M, Quilichini Y, Granjon L, Bâ CT, Marchand B. Pterygodermatites (Mesopectines) quentini (Nematoda, Rictulariidae), a parasite of Praomys rostratus (Rodentia, Muridae) in Mali: scanning electron and light microscopy. Parasite 2013; 20:30. [PMID: 24025692 PMCID: PMC3770210 DOI: 10.1051/parasite/2013032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 08/30/2013] [Indexed: 11/23/2022] Open
Abstract
Pterygodermatites (Mesopectines) quentini n. sp. (Nematoda, Rictulariidae) is described from the murine host Praomys rostratus in the south of the Republic of Mali. It differs from other species of the subgenus by the morphology of the head, which bears four simple cephalic papillae and a nearly axial oral opening, the number of caudal papillae, the number of precloacal cuticular formations, unequal spicules and the ratio of spicule lengths/body length. The use of scanning electron microscopy in combination with conventional light microscopy enabled us to give a detailed description of the morphological characters of this new species.
Collapse
Affiliation(s)
- Malick Diouf
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | | | | | | | | |
Collapse
|
47
|
Diouf M, Diagne CA, Quilichini Y, Dobigny G, Garba M, Marchand B. Pterygodermatites (Mesopectines) niameyensis n. sp. (Nematoda: Rictulariidae), a parasite of Mastomys natalensis (Smith, 1834) (Rodentia: Muridae) from Niger. J Parasitol 2013; 99:1034-9. [PMID: 23902298 DOI: 10.1645/13-204.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Pterygodermatites (Mesopectines) niameyensis n. sp. is described from Mastomys natalensis in Niamey/Niger (West Africa). It differs from other species of same subgenus by the morphology of the head, which presents 4 simple cephalic papillae and nearly axial oral opening, a number of caudal papillae, precloacal cuticular formations, and the spicule length/body length ratio. Scanning electron microscopy shows the presence of 2 pairs of lateral sensory structures for male worms.
Collapse
Affiliation(s)
- Malick Diouf
- Laboratory and Evolutionary, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | | | | | | | | | | |
Collapse
|
48
|
Diouf M, Seck CAB, Bâ CT, Quilichini Y, Marchand B. A new species of Spirura Blanchard, 1849 (Nematoda: Spiruridae) parasite of Heliosciurus gambianus and Xerus erythropus (Rodentia: Sciuridae) in Senegal. J Parasitol 2013; 99:1040-4. [PMID: 23795669 DOI: 10.1645/12-86.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
A new species of Spirura is described from the stomach of Heliosciurus gambianus and Xerus erythropus (Sciuridae). Considering the number of preanal papillae of males, Babero (1973 ) and Giannetto and Canestri Trotti (1995) proposed the subdivision of the genus into 2 groups; those with 4 pairs of preanal papillae (25 species) and with more than 4 pairs of preanal papillae (4 species). Spirura mounporti n. sp. belongs to the second, with 5 pairs of preanal papillae, and differs from Spirura infundibuliformis (McLeod, 1933) Anderson et al., 1993 , Spirura zapi ( Erickson, 1938 ) Chabaud et al., 1965 , Spirura leiperi Gupta and Trivedi, 1985, and Spirura michiganensis Sandground, 1935 in the number of pairs of pre-cloacal papillae. The new species further differs from other species of the genus in having 21 caudal papillae, in the ratio of spicules:body length, and in its morpho-anatomical characters.
Collapse
Affiliation(s)
- Malick Diouf
- Laboratory and Evolutionary, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, BP 5055, Dakar, Senegal
| | | | | | | | | |
Collapse
|
49
|
Filippi JJ, Quilichini Y, Foata J, Marchand B. Influence of site, season, silvering stage, and length on the parasites of the European eel Anguilla anguilla in two Mediterranean coastal lagoons of the island of Corsica, France using indicator species method. Parasitol Res 2013; 112:2959-69. [PMID: 23739809 DOI: 10.1007/s00436-013-3468-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 05/21/2013] [Indexed: 11/29/2022]
Abstract
The parasites of 425 European eels, Anguilla anguilla, were studied between 2009 and 2012 in two Mediterranean coastal lagoons of the island of Corsica, France. An indicator value (IndVal) method was used for analysis, which combines measures of fidelity and specificity. Because of its resilience to detect changes in abundance, IndVal is an effective ecological bioindicator. The IndVal method demonstrated that site, season, silvering stage, and length could influence the occurrence of parasite species in European eel. A randomization test identified ten parasite species as having a significant indicator value for site (lagoons differed principally in salinity: oligohaline to polyhaline for the Biguglia lagoon and polyhaline to euhaline for the Urbino lagoon; the digeneans Bucephalus anguillae and Lecithochirium musculus, the cestodes Bothriocephalus claviceps, Proteocephalus macrocephalus, and larvae of Myzophyllobothrium sp., the nematodes Anguillicoloides crassus, and encysted larvae of Contracaecum sp., the acanthocephalan Acanthocephaloides incrassatus, the monogenean Pseudodactyogyrus anguillae, and the copepod Ergasilus gibbus); one parasite species for the spring season (the acanthocephalan A. incrassatus); six parasite species for silvering stage (yellow, pre-silver, silver; the trematodes B. anguillae and Deropristis inflata, encysted larvae of the nematode Contracaecum sp., the acanthocephalan A. incrassatus, the monogenean P. anguillae, and the copepod E. gibbus); and three parasite species for some of the five length classes (the cestode P. macrocephalus, encysted larvae of the nematode Contracaecum sp., and the monogenean P. anguillae). Data for species composition and infection levels should help to improve the management of parasitism in the populations of European eels.
Collapse
Affiliation(s)
- Jean-José Filippi
- UMS CNRS 3514 STELLA MARE, Lieu-dit U Casone, Lido de la Marana, 20620 Biguglia, France.
| | | | | | | |
Collapse
|
50
|
Ndiaye PI, Quilichini Y, Sène A, Bray RA, Bâ CT, Marchand B. Prosorchis palinurichthi (Digenea, Sclerodistomidae): Ultrastructure of the mature spermatozoon. ZOOL ANZ 2013. [DOI: 10.1016/j.jcz.2012.11.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|