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 covering mesenterium ...
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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 ...
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 ...
The eimeriorin coccidian Aggregata octopiana (Apicomplexa: Aggregatidae) is known to heavily infect the digestive tract of octopus, cuttlefish and squids (Pascual et al., 1996).This coccidiosis impairs the well-being of cephalopods, believed to cause a malabsorption syndrome (Gestal et al., 2002a) which finally reduces growth and condition of infected …
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. De Novo Transcriptome Sequencing of the Octopus vulgaris.
Aggregata octopiana (Protista: Apicomplexa): a dangerous pathogen during commercial Octopus vulgaris... | Find, read and cite all the research you need on ResearchGate
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 molecular mechanisms of the immune …
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 …
ȱ ȱě ȱ ȱ ȱ ȱ ȱ ȱ ȱAggregata octopiana has in cephalo-pods is widely known. However, the assessment of this pathology is fundamental to optimize the intensive culture of octopus.
The negative effects that infections with the coccidian parasite Aggregata octopiana has in cephalopods is widely known. However, the assessment of this pathology is fundamental to optimize the ...
Uso de microhábitats por el parásito Aggregata octopiana (Apicomplexa: Aggregatidae) en su hospedador definitivo, el pulpo común Octopus vulgaris (Mollusca: Octopodidae) en aguas del nororiente ...
Here, we sequenced the transcriptomes and apicoplast genomes of three deep-branching apicomplexans, Margolisiella islandica, Aggregata octopiana, and Merocystis kathae. Phylogenomic analyses show that these taxa, together with Rhytidocystis, form a new lineage of apicomplexans that is sister to the Coccidia and Hematozoa (the lineages including ...
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 a redescription of A. octopiana in octopuses from the NE Atlantic Coast (NW Spain) thus clarifying ...
Aggregata octopiana (Apicomplexa, Aggregatidae) is the most prevalent coccidian in the wild common octopus (Octopus vulgaris), whose heteroxenous life cycle includes gamogony and sporogony ...
ARTICLE IN PRESS Molecular phylogenetic analysis of the coccidian cephalopod parasites Aggregata octopiana and Aggregata eberthi (Apicomplexa: Aggregatidae) from the NE Atlantic coast using 18S rRNA sequences. Sheila Castellanos. download Download free …
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 characterizing morphological traits and …
Previously described Aggregata octopiana from octopus produced generalized infections in the digestive tract. The caecum appears to be the preferred site of infection. The unusual presence of the coccidians in the musculature, described here for the first time, is likely a result of the massive infections that occurred in the examined specimens
Key words: Aggregata octopiana; Aggregata eberthi; Sporocyst wall; X-ray elemental microanalysis, Ria de Vigo (Galicia, Spain). Introduction Heavy infections by the intracellular cimeriorin coccidia Aggregata eberthi Labbé, 1899 and Aggregata octopiana Schneider, 1875 have been demonstrated in European waters in the digestive tracts of the ...
This paper deals with the unusual finding of sporogonial stages of Aggregata octopiana in the gills and mantle musculature of cultured octopuses being reared in NW …
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 both ...
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 expressed ...
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 infections of intermediate hosts in the laboratory, Léger & Duboscq (1906; 1908), Moroff (1908), Dobell (1925 ...
Concerning pathogens, parasites affecting O. vulgaris have been recorded from both locations [67,68], including the coccidian Aggregata octopiana, which is recognized as the most dangerous ...
Aim of this study. The effects of the lesions associated with A. octopiana infection in O. vulgaris have been explored at different levels, but the impact on neural structures has never been investigated. Here we ask whether Aggegata affects one component of the digestive tract innervation, namely the gastric ganglion. Our hypothesis is based on the assumption that the …
Aggregata polibraxiona n. sp. first Apicomplexa described from a cephalopod in Mexico.. A. polibraxiona n. sp. is the first Apicomplexa described from Octopus bimaculatus.. Morphological description shows cylindrical projections on the sporocyst wall. • Molecular characterization shows A. polibraxiona n. sp. close to A. octopiana.
Coccidian Aggregata octopiana is an intracellular parasite of the common octopus (Octopus vulgaris), with indirect life cycle and prevalence up to (Pascual et al., 1996).Even though the detailed life cycle of A. octopiana is still not completely understood, it is known that the coccidian is heteroxenous, showing merogony in decapod crustaceans as the intermediate …
The cephalopod Octopus vulgaris Cuvier, 1789 is the definitive host for the species Aggregata octopiana Schneider, 1875 (Estevez et al. 1996). This paper pre-sents the first report of the prawn ...
