| the lectin from the crustacean liocarcinus depurator recognizes o-acetylsialic acids. | a lectin that recognized sialic acids and aggultinated mouse erythrocytes was purified from hemolymph of the crab liocarcinus depurator. it consisted of 38-kda subunits and had a pi about 6.0. the specificity of the lectin was assayed by hemagglutination inhibition. n-acetylneuraminic acid (neu5ac) was a good inhibitor and its n-acetyl group at c-5 was critical for lectin-ligand interaction. substitution of the c-9 hydroxyl on neu5ac with an o-acetyl group (9-o-ac-neu5ac) increased the inhibitor ... | 1997 | 9297799 |
| isolation of lectins from hemolymph of decapod crustaceans by adsorption on formalinized erythrocytes. | hemolymph of decapod crustaceans contains lectins of important specificity. an isolation procedure, based on adsorption of hemolymph lectins on red blood cells (rbc) fixed with formaldehyde, is described. hemolymph is let to clot for 3 h at 22-28 degrees c (rt) and for 24 h at 5 degrees c; centrifuged at 13000 g for 30 min; filtered through 5-microm filters; diluted with an equal volume of 50 mm nacl, 100 mm cacl(2); supplemented with protease as well as phenoloxidase inhibitors; centrifuged at ... | 2000 | 10889281 |
| molecular detection of hematodinium sp. in northeast pacific chionoecetes spp. and evidence of two species in the northern hemisphere. | hematodinium is a genus of parasitic dinoflagellates that infects crustaceans worldwide including tanner crabs chionoecetes bairdi and snow crabs c. opilio in the northeast pacific ocean. the present study describes the optimization of a pcr-based assay for the detection and monitoring of hematodinium sp. in snow and tanner crabs. two fragments, 1682 and 187 bp, were amplified from the 18s ribosomal dna region of the parasite. the assay performed well in 6 additional decapod species (1 lobster a ... | 2010 | 20402233 |
| Morphological and Molecular Characterization of Hematodinium perezi (Dinophyceae: Syndiniales), a Dinoflagellate Parasite of the Harbour Crab, Liocarcinus depurator. | Hematodinium perezi Chatton and Poisson (Dinophyceae: Syndiniales) is reported from one of its type hosts, Liocarcinus depurator, from Rye Bay in the English Channel, a site in a similar geographical location to that of the type description. The histology and ultrastructure of vegetative trophont stages, and rDNA sequences of the parasite infecting this host are reported for the first time. Ultrastructurally, H. perezi was confirmed by the presence of condensed chromatin profiles, trichocysts, a ... | 2011 | 22092696 |
| hematodinium sp. and its bacteria-like endosymbiont in european brown shrimp (crangon crangon). | parasitic dinoflagellates of the genus hematodinium are significant pathogens affecting the global decapod crustacean fishery. despite this, considerable knowledge gaps exist regarding the life history of the pathogen in vivo, and the role of free living life stages in transmission to naïve hosts. | 2012 | 22958655 |
| modelling gastric evacuation in gadoids feeding on crustaceans. | a mechanistic, prey surface-dependent model was expanded to describe the course and rate of gastric evacuation in predatory fishes feeding on crustacean prey with robust exoskeletons. this was accomplished by adding a layer of higher resistance to the digestive processes outside the inner softer parts of a prey cylinder abstraction and splitting up the prey evacuation into two stages: an initial stage where the exoskeleton is cracked and a second where the prey remains are digested and evacuated ... | 2016 | 27170110 |
| hematodinium sp. (alveolata, syndinea) detected in marine decapod crustaceans from waters of denmark and greenland. | five decapod crustacean species were examined for presence of the parasitic dinoflagellate hematodinium spp. (alveolata, syndinea) by morphological methods (colour and pleopod methods) as well as by pcr and nested pcr with hematodinium-specific primers. nephrops norvegicus, pagurus bernhardus and liocarcinus depurator were sampled by trawling in danish waters and chionoecetes opilio and hyas araneus were sampled by trapping off the west coast of greenland. the existence of hematodinium has not p ... | 2010 | 21166315 |
| permanent genetic resources added to molecular ecology resources database 1 april 2012 - 31 may 2012. | this article documents the addition of 123 microsatellite marker loci to the molecular ecology resources database. loci were developed for the following species: brenthis ino, cichla orinocensis, cichla temensis, epinephelus striatus, gobio gobio, liocarcinus depurator, macrolophus pygmaeus, monilinia vaccinii-corymbosi, pelochelys cantorii, philotrypesis josephi, romanogobio vladykovi, takydromus luyeanus and takydromus viridipunctatus. these loci were cross-tested on the following species: cic ... | 2012 | 22898144 |
| resistance to stress and hc functional modulation in liocarcinus sp. | this study is included in a project aimed to study the alterations on the structure of the northern adriatic sea ecosystem produced by fishing activity. the indirect or secondary effects of fishery such as the changes of the structure and trophic relationships of the ecosystem are under investigation and we have particularly considered the effects on species such as liocarcinus depurator that are captured and then rejected because devoid of commercial value. the objective of this study is the li ... | 2004 | 15036291 |