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The Gastric Ganglion of Octopus vulgaris Preliminary ,

Here we have investigated the neurochemical complexity through in silico gene expression analysis and immunohistochemistry of the gastric ganglion in Octopus vulgaris and tested whether the expression of a selected number of genes was influenced by the magnitude of digestive tract parasitic infection by Aggregata octopiana...

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STORRE First description of parasitation by Agregata ,

Betancor M, Estefanell J, Socorro J, Roo J Caballero MJ 2013 First description of parasitation by Agregata octopiana in common octopus, Octopus vulgaris, in Canary Islands, Bulletin of the European Association of Fish Pathologists, 33 1 , pp 13-20...

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First description of parasitation by Agregata octopiana in ,

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 intensive culture of octopus In the present report a total of 35 octopuses were studied, 6 coming from the wild, 5 grown in land tanks, 11 grown in ....

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Unusual sites of Aggregata octopiana infection in octopus ,

Unusual sites of Aggregata octopiana infection in octopus cultured in floating cages S Pascual , AF González, A Guerra Instituto de Investigaciones Marinas, ECOBIOMAR, Eduardo Cabello 6, 36208 Vigo, Spain Abstract This paper deals with the unusual finding of sporogonial stages of Aggregata octopiana...

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PDF The Gastric Ganglion of Octopus vulgaris ,

The Gastric Ganglion of Octopus vulgaris Preliminary Characterization of Gene-and Putative Neurochemical-Complexity, and the Effect of Aggregata octopiana Digestive Tract Infection on ,...

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Unusual sites of Aggregata octopiana infection in octopus ,

Apr 28, 2006 0183 32 Read Unusual sites of Aggregata octopiana infection in octopus cultured in floating cages, Aquaculture on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips...

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On the life cycle of Aggregata eberthi and observations on ,

Request PDF on ResearchGate On the life cycle of Aggregata eberthi and observations on Aggregata octopiana Apicomplexa, Aggregatidae from Galicia NE Atlantic Stages of merogony of a ....

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NOTE Report from the Mediterranean coast of Spain ,

Aggregata octopiana, with fully documented sporogonic development, and a report of Dicyema acuticephalum in the renal tubules of Octopus vulgaris from the northeastern Mediterranean Sea southern Catalonia Prevalence for the A octopiana infection of the intestinal epithelium was 100...

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An evaluation of the presence and need for sanitary ,

Coccidial infection of the intestinal tract by Aggregata octopiana is very frequent in the common octopus Octopus vulgaris , a marine species with great potential in aquaculture Altered host-parasite relationship under intensive rearing conditions has been described resulting in hyperinfections that compromise the health and viability of the animal and may lead to condemnation for human....

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On the life cycle of Aggregata eberthi and observations on ,

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...

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De novo transcriptome sequencing of the Octopus vulgaris ,

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...

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On the life cycle of Aggregata eberthi and ,

On the life cycle of Aggregata eberthi and observations on Aggregata octopiana Apicomplexa, Aggregatidae from Galicia NE Atlantic By C Gestal, Ángel Guerra, Santiago Pascual and ,...

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Aggregata octopiana and Aggregata eberthi Apicomplexa ,

Aggregata octopiana was isolated from a pool of ten infected octopuses of the species Octopus vulgaris, while Aggregata eberthi was isolated from a pool of ten infected cuttlefishes of the species Sepia officinalis Both cephalopod species were collected by traps....

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ARTICLE IN PRESS Molecular phylogenetic analysis of the ,

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 sequenc 8 Pag...

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Ultrastructural aspects of the sporogony of Aggregata ,

Ultrastructure of the sporogony of Aggregata octopiana from Octopus vulgaris 419 teraction Oocysts with different sizes ranging from uoles numerous vesicles appeared at the sporogony 100 to 1,000 pm depending of the maturation degree , large, dark bodies, probably proteins, with or without emerge from the inner of the host tissue cells ....

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Proteomic characterization of the hemolymph of Octopus ,

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 ....

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Immune parameters in the common octopus Octopus vulgaris ,

Dec 01, 2018 0183 32 Health of wild and reared Octopus vulgaris is threatened by the most dangerous parasite for the octopus, the protozoan coccidia Aggregata octopianaThis host-parasite relationship was studied to analyze the effect of A octopiana on the cellular immune parameters of O vulgarisA octopiana sporocysts infecting the digestive tract of octopuses were counted in order to confirm two octopus ....

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Inter Research » DAO » v51 » n1 » p61

ABSTRACT Octopus vulgaris infected with Aggregata octopiana were collected from an open-water culture system in the Ría of Aldán NW Spain Digestive tract infection values were determined with the use of a Neubauer chamber by counting the number of A octopiana sporocysts After determining enzyme activity values by the colorimetric Api-Zym system Biomerieux ®, one representative enzyme ....

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Parasite of the Day September 30

Sep 09, 2010 0183 32 Aggregata octopiana is a species of single-celled parasite that infects the common octopus, forming cysts in various parts of the body including the gills, digestive tract, and epidermis The details of the parasite s life-cycle are currently not clear, though it is known to be a two-host life-cycle involving alternating phases of sexual and ....

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Inter Research » DAO » v50 » n1 » p45

ABSTRACT Gamogony and sporogony of Aggregata octopiana were commonly observed during histological examination of the digestive tract of wild Octopus vulgaris from Ría de Vigo NW Spain A octopiana infected noncuticularized caecum and intestine, and cuticularized oesophagus and cropInfection was also observed in the gills and in covering mesenterium, mainly of the digestive ,...

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Aggregata infection in the common octopus, Octopus ,

MLADINEO JOZIĆ Aggregata infection in the common octopus, Octopus vulgaris Linnaeus, 1758 197 DISCUSSION Sporocysts of the isolated Aggregata sp fitted within the usual size range of isolated A octopiana cysts from common octopus, even though they differed in an important identification...

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Aggregata octopiana Protista Apicomplexa a ,

Abstract 6 pages, 3 tabl-- Short communicationThe haemolymph parameters for Octopus vulgaris and the condition index at molecular level were analysed using RNA/DNA and RNA/protein ratios on animals reared in floating cage systems and naturally infected by the coccidian Aggregata octopiana...

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Sheila Castellanos Martínez

This Cited by count includes citations to the following articles in Scholar The ones marked may be different from the article in the profile...

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Parasite of the Day September 2010

Aggregata octopiana is a species of single-celled parasite that infects the common octopus, forming cysts in various parts of the body including the gills, digestive tract, and epidermis The details of the parasite s life-cycle are currently not clear, though it is known to be a two-host life-cycle involving alternating phases of sexual and ....

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Centro Tecnológico del Mar Tecnologia de los Productos ,

Academiaedu is a place to share and follow research...

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Antigenic Relationships Between Aggregata octopiana ,

Key words Aggregata octopiana, Aggregata eberthi, antigens, Apicomplexa, cross-reactivity INTRODUCTION The genus Aggregata has a two-hosts life cycle, with asexual stages in the intestines of crustaceans and sexual stages in the digestive tracts of cephalopods In cephalopods, the merozoites migrate through the epithe-...

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Aggregata eberthi SpringerLink

Jan 20, 2016 0183 32 Aggregata species occur in molluscs eg, A eberthi in the cuttlefish Sepia officinalis or A octopiana in the common Octopus vulgaris and in predators eg, brachyceran crustaceans While the sexual development is proceeded in the final host here cuttlefish , the schizogony runs inside the intermediate host here the decapod crab Portunus ....

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REVIEW ARTICLE Microsporidian xenomas in fish seen in ,

Merozoites of Aggregata octopiana stimulate hypertro-phy of connective tissue cells of intestinal submucosa of octopuses Wurmbach 1935 A similar species, A eberthi, however, does nothing similar in its cuttlefish host In coccidians of the genus Sarcocystis, the invasion of merozoite released from the liver produces in the...

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UCSB Science Line

The protozoan Aggregata octopiana is a type of parasite which can infect the digestive system of the Octopus vulgaris and cause it various health problems Another example of a parasite which infects the Octopus vulgaris is a dicyemid mesozoan which is a type of ,...

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Aggregata Protozoa Apicomplexa infection in the common ,

Abstract Prevalence and distribution of the coccidian parasite Aggregata octopiana Protozoa Apicomplexa in common octopus Octopus vulgaris in the Mediterranean Spanish coasts were studied A total of 114 octopuses were sampled from 30 geographic sectors by trawl fleet, and whitish macroscopic oocysts typical of A octopiana infection were ....

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