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Frontiers | The Gastric Ganglion of Octopus vulgaris ...

Octopus Gastric Ganglion Responses to Aggregata octopiana Infection We found changes in the relative expression of 24 genes present in the transcriptome of O. vulgaris when we analyzed the mRNAs of animals with relatively “low” vs. “high” A. octopiana loads (Figure 6 ).

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SHORT COMMUNICATION Comparative x-ray microanalysis …

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 …

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Unusual sites of Aggregata octopiana infection in octopus ...

The eimeriorin coccidian Aggregata octopiana (Apicomplexa: Aggregatidae) is known to heavily infect the digestive tract of octopus, cuttlefish and squids (Pascual et al., 1996).

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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 …

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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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ARTICLE IN PRESS Molecular phylogenetic analysis of the ...

Please cite this article in press as: Castellanos-Martínez, S., et al., Molecular phylogenetic analysis of the coccidian cephalopod parasites Aggregata octopiana and Aggregata eberthi (Apicomplexa: Aggregatidae) from the NE Atlantic coast using 18S rRNA sequences.

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Ultrastructural aspects of the sporogony of Aggregata ...

In Octopus vulgaris two addi- tional Aggregata species have been described, Aggrega- Coccidia within the genus Aggregata are intracellu- ta octopiana (Schneider, 1875), in the Mediterranean lar parasites with two-host life cycle, which are trans- Sea, the English Channel and the North East (NE) At- mitted through the food-web.

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Unusual sites of Aggregata octopiana infection in octopus ...

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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Molecular phylogenetic analysis of the coccidian ...

The species Aggregata octopiana was first described by Schneider (1875) in O. vulgaris from the English Channel and Western Mediterranean Sea (Banyuls-sur-Mer, France), and redescribed in samples from the NE Atlantic Ocean (Gestal et al. 1999b).

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Aggregata | Wiki | Everipedia

Aggregata millerorum Aggregata octopiana Aggregata ovata Aggregata patagonica Aggregata portunidarum Aggregata reticulosa Aggregata sagittata Aggregata schneideri Aggregata sepiae Aggregata siedleckii Aggregata spinosa Aggregata stellata Aggregata vagans Aggregata …

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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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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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Neuroendocrine–Immune Systems Response to Environmental ...

More interestingly, it has been reported that the cephalopod hemocytes are able to produce oxygen and nitrogen radicals as defense response; NO produced by O. vulgaris hemocytes seems to decrease with the increase of infection by Aggregata octopiana (Rodríguez-Domínguez et al., 2006).

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Aggregata octopiana (Protista: Apicomplexa): a dangerous ...

The 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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ADW: Octopus briareus: INFORMATION - ADW: Home

Caribbean reef octopuses are the hosts for Aggregata octopiana, which are parasitic alveolates mainly associated with inflammation, ulceration, and the destruction of the …

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Aggregata octopiana (Apicomplexa: Aggregatidae) Octopus ...

Estevez et al..Aggregata octopiana In Octopus vulgans Fig. 2.Aggregata octopiana. Sporogony in Octopus vulgaris. (A) Sporont showing extensive folding of cytoplasmic membrane, and numerous nuclei at the periphery of the partitions.

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Aggregata eberthi | SpringerLink

Aggregata species occur in molluscs (e.g., A. eberthi in the cuttlefish Sepia officinalis or A. octopiana in the common Octopus vulgaris and in predators (e.g., 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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Aggregata - Wikipedia

Aggregata millerorum Aggregata octopiana Aggregata ovata Aggregata patagonica Aggregata portunidarum Aggregata reticulosa Aggregata sagittata Aggregata schneideri Aggregata sepiae Aggregata siedleckii Aggregata spinosa Aggregata stellata Aggregata vagans Aggregata valdessensis. Contents. Taxonomy.

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Proteomic characterization of the hemolymph of ... - DeepDyve

The gamogonic and sporogonic developmental stages (sexual stages) of Aggregata octopiana occur in their final host, O. vulgaris [3] . Because of this, development of gametes and oocysts of A . octopiana leads to hypertrophy and detachment of digestive epithelial cells in O. vulgaris .

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Aggregata octopiana in common octopus, - EAFP

1 1 1 1 1 1 1 1 Aggregata octopiana has in cephalo- 1 pods is widely known. However, the assessment of this pathology is fundamental to optimize the

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MEDLINE Abstract - Medscape

View This Abstract Online; Proteomic characterization of the hemolymph of Octopus vulgaris infected by the protozoan parasite Aggregata octopiana.

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Aggregata octopiana (Protista: Apicomplexa): a dangerous ...

Statistical analysis showed that as A. octopiana infection increased, there was a decrease in most inorganic elements and/or in hae- mocyte concentrations in cellular and/or plasma fractions.

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Molecular phylogenetic analysis of the coccidian ...

The coccidia genus Aggregata is responsible for intestinal coccidiosis in wild and cultivated cephalopods. Two coccidia species, Aggregata octopiana, (infecting …

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Extraintestinal gamogony of Aggregata octopiana in the ...

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 gamogony and sporogony ongoing in dermal and gill tissue.

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Aggregata octopiana ( Apicomplexa: Aggregatidae) in

This study represents the first report of A. octopiana in octopuses fished along the Tyrrhenian sicilian coasts. Key words: Aggregata octopiana, Octopus vulgaris, Coccidia, Histopathology, Apicomplexa.

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Aggregata - Wikipedia

Aggregata octopiana Aggregata ovata Aggregata patagonica Aggregata portunidarum Aggregata reticulosa Aggregata sagittata Aggregata schneideri Aggregata sepiae Aggregata siedleckii Aggregata spinosa Aggregata stellata Aggregata vagans Aggregata valdessensis. Aggregata is a genus of parasitic alveolates belonging to the phylum Apicomplexa

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Aggregata octopiana (Protista: Apicomplexa): a dangerous ...

Aggregata octopiana (Protista: Apicomplexa): a dangerous pathogen during commercial Octopus vulgaris on We use cookies to enhance your experience on our website. By continuing to use our website, you are agreeing to our use of cookies.

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De Novo Transcriptome Sequencing of the Octopus vulgaris ...

Oct 16, 2014· 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 response in cephalopods, …

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Numerical and functional responses to the presence of a ...

Evidence of interference competition between the eimeriorin coccidian Aggregata sp. and the octopicolid copepod Octopicola superba at the level of the gills of naturally infected Octopus vulgaris is evaluated. Numerical and functional responses are considered for analysis, and the fundamental and realized spatial niches (FSNs and RSNs) are measured as part of the study.

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Antigenic Relationships Between Aggregata octopiana and A ...

Oocysts of Aggregata octopiana Schneider, 1875 and A. eberthi Labbé, 1895 were isolated from the digestive tracts of molluscan cephalopods Octopus vulgaris Cuvier, 1798 and Sepia officinalis L.,

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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.

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Aggregata ed altri patogeni in Octopus vulgaris - CORE

Adults and subadults resulted infected by Aggregata octopiana, several stages of the life cycle of parasites belonging to the family Dicyemidae, Vibrio algynoliticus, Vibrio splendidus, Streptococcaceae and Betanodavirus.

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