Search Results - "Aznar, Francisco J."

Phylogenetic relationship among genera of Polymorphidae (Acanthocephala), inferred from nuclear and mitochondrial gene sequences by García-Varela, Martín, Pérez-Ponce de León, Gerardo, Aznar, Francisco J., Nadler, Steven A.

“…[Display omitted] •We inferred the phylogeny of Polymorphidae using three molecular markers.•All the Phylogenetic analyses support the monophyly of nine…”
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Living on the Edge: Settlement Patterns by the Symbiotic Barnacle Xenobalanus globicipitis on Small Cetaceans by Carrillo, Juan M, Overstreet, Robin M, Raga, Juan A, Aznar, Francisco J

“…The highly specialized coronulid barnacle Xenobalanus globicipitis attaches exclusively on cetaceans worldwide, but little is known about the factors that…”
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Evolutionary relationships between digeneans of the family Brachycladiidae Odhner, 1905 and their marine mammal hosts: A cophylogenetic study by Fraija-Fernández, Natalia, Aznar, Francisco J, Fernández, Antonio, Raga, Juan A, Fernández, Mercedes

“…Abstract Cophylogenetic studies examine the congruence between host and parasite phylogenies. There are few studies that quantify the relative contribution of…”
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Helminth communities of owls (strigiformes) indicate strong biological and ecological differences from birds of prey (accipitriformes and falconiformes) in southern Italy by Santoro, Mario, Mattiucci, Simonetta, Nascetti, Giuseppe, Kinsella, John M, Di Prisco, Francesca, Troisi, Sabatino, D'Alessio, Nicola, Veneziano, Vincenzo, Aznar, Francisco J

“…We compared the helminth communities of 5 owl species from Calabria (Italy) and evaluated the effect of phylogenetic and ecological factors on community…”
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Life-history trade-offs in a generalist digenean from cetaceans: the role of host specificity and environmental factors by Fraija-Fernández, Natalia, Fernández, Mercedes, Raga, Juan A, Aznar, Francisco J

“…Adults and larvae of generalist parasites are exposed to diverse hosts and local environmental conditions throughout their life cycles, thus local adaptation…”
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Helminth communities of herons (Aves: Ardeidae) in southern Italy by Santoro, Mario, D'Alessio, Nicola, di Prisco, Francesca, Veneziano, Vincenzo, Galiero, Giorgio, Cerrone, Anna, Barca, Lorella, Kinsella, John M, Aznar, Francisco J

“…Abstract The helminth communities of nine species of herons from southern Italy were studied and compared. Of 24 taxa found including seven digeneans, seven…”
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Helminth communities of loggerhead turtles ( Caretta caretta ) from Central and Western Mediterranean Sea: The importance of host's ontogeny by Santoro, Mario, Badillo, Francisco J, Mattiucci, Simonetta, Nascetti, Giuseppe, Bentivegna, Flegra, Insacco, Gianni, Travaglini, Andrea, Paoletti, Michela, Kinsella, John M, Tomás, Jesús, Raga, Juan A, Aznar, Francisco J

“…Abstract We investigated the factors providing structure to the helminth communities of 182 loggerhead sea turtles, Caretta caretta , collected in 6 localities…”
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Fine‐scale distribution of the lungworm Halocercus delphini in the lungs of the striped dolphin, Stenella coeruleoalba: implications about migration pathways and functional significance by Pool, Rachel V., Pons‐García, Neus, Consoli, Francesco, Rivero, Miguel, Bombardi, Cristiano, Raga, Juan A., Aznar, Francisco J.

“…Despite their high pathogenicity, limited knowledge is available on intrahost migration pathways and microhabitat distribution of pseudaliid lungworms. In this…”
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Sex-specific impact of inbreeding on pathogen load in the striped dolphin by Gkafas, Georgios A, de Jong, Menno, Exadactylos, Athanasios, Raga, Juan Antonio, Aznar, Francisco J, Hoelzel, A Rus

“…The impact of inbreeding on fitness has been widely studied and provides consequential inference about adaptive potential and the impact on survival for…”
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Independent host switching events by digenean parasites of cetaceans inferred from ribosomal DNA by Fraija-Fernández, Natalia, Olson, Peter D., Crespo, Enrique A., Raga, Juan A., Aznar, Francisco J., Fernández, Mercedes

“…[Display omitted] •Digeneans of cetaceans were examined in a large scale-molecular phylogeny.•Digenean taxonomy was examined in light of phylogenetic…”
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Long-term changes (1990–2012) in the diet of striped dolphins Stenella coeruleoalba from the western Mediterranean by Aznar, Francisco J., Míguez-Lozano, R., Ruiz, B., de Castro, A. Bosch, Raga, J. A., Blanco, C.

“…A recent stable isotope analysis of striped dolphins Stenella coeruleoalba stranded along the Spanish Mediterranean coast suggested a shift from a diet…”
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Transmission of Corynosoma australe (Acanthocephala: Polymorphidae) from fishes to South American sea lions Otaria flavescens in Patagonia, Argentina by Hernández-Orts, Jesús S., Montero, Francisco E., García, Néstor A., Crespo, Enrique A., Raga, Juan A., García-Varela, Martín, Aznar, Francisco J.

“…Acanthocephalans display a two-host life cycle that involves arthropods as intermediate hosts and vertebrates as definitive hosts. Some species also use…”
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Acanthocephalans from Marine Fishes from Patagonia, Argentina by Hernández-Orts, Jesús S, Alama-Bermejo, Gema, García, Néstor A, Crespo, Enrique A, Montero, Francisco E, Raga, Juan A, Aznar, Francisco J

“…In this study, 542 individual fish from 20 species from the Patagonian continental shelf of Argentina were examined for acanthocephalans. A total of 1,547…”
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Erection of Ibirhynchus gen. nov. (Acanthocephala: Polymorphidae), Based on Molecular and Morphological Data by García-Varela, Martín, de León, Gerardo Pérez-Ponce, Aznar, Francisco J, Nadler, Steven A

“…The genus Southwellina is composed of 3 described species, i.e., S. hispida (the type species), S. dimorpha, and S. macracanthus. All 3 are endoparasites of…”
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Trunk spines in cystacanths and adults of Corynosoma spp. (Acanthocephala): Corynosoma cetaceum as an exceptional case of phenotypic variability by Aznar, Francisco J., Crespo, Enrique A., Raga, Juan A., Hernández-Orts, Jesús S.

“…Adults of the acanthocephalan Corynosoma cetaceum deeply attach to the stomach of dolphins using the proboscis and its spiny foretrunk as a disk while the…”
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Systematic Position of Pseudocorynosoma and Andracantha (Acanthocephala, Polymorphidae) Based on Nuclear and Mitochondrial Gene Sequences by García-Varela, Martín, Pérez-Ponce de León, Gerardo, Aznar, Francisco J, Nadler, Steven A

“…Species of Pseudocorynosoma are North and South American acanthocephalans that use waterfowl as definitive hosts and amphipods as intermediate hosts, whereas…”
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Patterns of trunk spine growth in two congeneric species of acanthocephalan: investment in attachment may differ between sexes and species by Hernández-Orts, Jesús S, Timi, Juan T, Raga, Juan A, García-Varela, M, Crespo, Enrique A, Aznar, Francisco J

“…Acanthocephalans have evolved a hooked proboscis and some taxa have trunk spines to attach to their definitive hosts. These structures are generated before…”
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A new brachycladiid species (Digenea) from Gervais’ beaked whale Mesoplodon europaeus in north-western Atlantic waters by Fraija-Fernández, Natalia, Aznar, Francisco J., Raga, Juan A., Gibson, David, Fernández, Mercedes

“…A new species of the digenean family Brachycladiidae Odhner, 1905 is described from the bile ducts of a Gervais’ beaked whale Mesoplodon europaeus Gervais…”
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Description, microhabitat selection and infection patterns of sealworm larvae (Pseudoterranova decipiens species complex, nematoda: ascaridoidea) in fishes from Patagonia, Argentina by Hernández-Orts, Jesús S, Aznar, Francisco J, Blasco-Costa, Isabel, García, Néstor A, Víllora-Montero, María, Crespo, Enrique A, Raga, Juan A, Montero, Francisco E

“…BACKGROUND: Third-stage larvae of the Pseudoterranova decipiens species complex (also known as sealworms) have been reported in at least 40 marine fish species…”
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Emergence of the epibiotic barnacle Xenobalanus globicipitis in Guiana dolphins after a morbillivirus outbreak in Sepetiba Bay, Brazil by Flach, Leonardo, Van Bressem, Marie-Françoise, Pitombo, Fabio, Aznar, Francisco J.

“…We report on the emergence of the epibiotic barnacle Xenobalanus globicipitis in Guiana dolphins (Sotalia guianensis) from Sepetiba Bay, Rio de Janeiro,…”
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