Gamogony and sporogony of Aggregata octopiana were commonly observed during histological examination of the digestive tract and the connective tissue sheath of wild Octopus vulgaris (Cuvier, 1798 ...
Aggregata sp. from the Adriatic octopus harbored only four to five sporozoites, which in A. octopiana can reach eight (GESTAL et. al., 1999, 2002). Because of this characteristic, which constitutes one of the main rules for taxonomic diagnosis of eimerians (DAVIES & BALL, 1993), the isolated Aggregata resembled A. eberthi, an eimeriorin parasite of
Aggregata octopiana in common octopus, Octopus vulgaris, in Canary Islands M. B. Betancor*, J. Estefanell, J. Socorro, J. Roo and M. J. Caballero Grupo de Investigación en Acuicultura (IUSA & ICCM), University of Las Palmas de Gran Canaria. Instituto Universitario de Sanidad Animal (IUSA). Trasmontaña s/n, 35413, Arucas, Gran Canaria. …
reviewed the Aggregata species parasitic in Octopus vulgaris Cuvier, 1797 from NE Atlantic waters. They found that Aggregata octopiana (Schneider, 1875) Frenzel, 1885, is the only valid species parasitic in the common octopus. After studying the definitive and intermediate hosts in wild populations and carrying out experimental
Background Octopus vulgaris is a highly valuable species of great commercial interest and excellent candidate for aquaculture diversification; however, the octopus' well-being is impaired by pathogens, of which the gastrointestinal coccidian parasite Aggregata octopiana is one of the most important. The knowledge of the …
Gamogony and sporogony of Aggregata octopiana were commonly observed during histological examination of the digestive tract and the connective tissue sheath of wild Octopus vulgaris (Cuvier, 1798 ...
Coccidian parasites of the genus Aggregata are known to parasitize cephalopods as definitive hosts, however one of the genus members, A. octopiana, has shown an …
Aggregata octopiana (Apicomplexa, Aggregatidae) is the most prevalent coccidian in the wild common octopus (Octopus vulgaris), whose heteroxenous life cycle includes gamogony and sporogony undergoing in the octopus digestive tract. In the infected reared octopi, we observed an unusual extraintestinal distribution of the coccidian, with …
Background. Octopus vulgaris is a highly valuable species of great commercial interest and excellent candidate for aquaculture diversification; however, the octopus' well-being is impaired by pathogens, of which the gastrointestinal coccidian parasite Aggregata octopiana is one of the most important. The knowledge of the …
Abstract. Gestal, C., Guerra, A., and Pascual, S. 2007. Aggregata octopiana (Protista: Apicomplexa): a dangerous pathogen during commercial Octopus vulgaris ongrowing. – ICES Journal of Marine Science, 64. The haemolymph parameters for Octopus vulgaris and the condition index at molecular level were analysed using RNA/DNA and …
The prawn Palaemons elegans is the only known IH of A. octopiana (Arias et al., 1998) however, other species of the Aggregata genus have a wide IH variety (Dobell, 1925;Duboscq, 1906, 1908;Richard ...
Scanning and Transmission Electron Microscopy, and Atomic Force Microscopy techniques were used to study different topographic and cytological aspects of the architecture of the sporogonial stages of the eimeriorin coccidian Aggregata octopiana.
Health of wild and reared Octopus vulgaris is threatened by the most dangerous parasite for the octopus, the protozoan coccidia Aggregata octopiana.This host-parasite relationship was studied to analyze the effect of A. octopiana on the cellular immune parameters of O. vulgaris.A. octopiana sporocysts infecting the digestive tract …
Aggregata Frenzel, 1885 (Apicomplexa) are dangerous protozoan parasites that cause malabsorption syndrome in wild and reared cephalopod species, resulting in significant economic loss to fishery and aquaculture industries. The new parasitic species, Aggregata aspera n. sp., in the digestive tract of Amphioctopus ovulum and …
In this study, a proteomic approach is used to analyze the immune response of O. vulgaris against the coccidia Aggregata octopiana, a gastrointestinal parasite which impairs the cephalopod nutritional status. The hemocytes and plasma proteomes were compared by 2-DE between sick and healthy octopus. The identities of 12 differentially …
polibraxiona n. sp. were recovered as a monophyletic group within the genus Aggregata and placed as a sister group to Aggregata octopiana Lineage II. Aggregata polibraxiona n. sp. is the first Apicomplexa described from a cephalopod host from Mexico and extends the geographical range of Apicomplexa infecting cephalopods.
The apicoplast offers important clues into how apicomplexan parasites evolved from free-living ancestors and can provide insights into reductive organelle …
Estévez et al.: Aggregata octopiana in Octopus vulgaris 231 surfaced because Aggregata species have usually been differentiated on the basis of host, size and sur-
The coccidia genus Aggregata is responsible for intestinal coccidiosis in wild and cultivated cephalopods. Two coccidia species, Aggregata octopiana, (infecting the common …
They found that Aggregata octopiana presence of Aggregata. (Schneider, 1875) Frenzel, 1885, is the only valid The aim of this study was to determine accurate- species parasitic in the common octopus. ly the life cycle of A. …
The coccidia genus Aggregata is responsible for intestinal coccidiosis in wild and cultivated cephalopods. Two coccidia species, Aggregata octopiana, (infecting the common octopus Octopus vulgaris), and A. eberthi, (infecting the cuttlefish Sepia officinalis), are identified in European waters.
Coccidian parasites of the genus Aggregata are known to parasitize cephalopods as definitive hosts, however one of the genus members, A. octopiana, has shown an unresolved phylogeny within the same definitive host, the common octopus (Octopus vulgaris).Our study represents a large-scale investigation aimed at …
Gamogony and sporogony of Aggregata octopiana were commonly observed during histological examination of the digestive tract of wild Octopus vulgaris from Ria de Vigo (NW Spain). A. octopiana infected noncuticularized caecum and intestine, and cuticularized oesophagus and crop. Infection was also observed in the gills and in …
It has been suggested that members of the genus Aggregata (A. octopiana) can cause malabsorption syndromes in cephalopods ( Gestal et al. 2002), and that Octopicola sp. attached to the gills may ...
They found that Aggregata octopiana (Schneider, 1875) Frenzel, 1885, is the only valid species parasitic in the common octopus. After studying the definitive and intermediate hosts in wild populations and carrying out experi- mental infections of intermediate hosts in the labo- ratory, Léger & Duboscq (1906; 1908), Moroff (1908), …
The coccidia genus Aggregata is responsible for intestinal coccidiosis in wild and cultivated cephalopods. Two coccidia species, Aggregata octopiana, (infecting the common octopus Octopus vulgaris), and A. eberthi, (infecting the cuttlefish Sepia officinalis), are identified in European waters.Extensive investigation of their morphology resulted in …
Coccidian parasites of the genus Aggregata are known to parasitize cephalopods as definitive hosts, however one of the genus members, A. octopiana, has shown an unresolved phylogeny within the same definitive host, the common octopus (Octopus vulgaris). Our study represents a large-scale investigati …