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| Haddad Junior,Vidal; Zara,Fernando; Marangoni,Sergio; Toyama,Daniela de Oliveira; Souza,Alex Jardelino Felizardo de; Oliveira,Simone Cristina Buzzo de; Toyama,Marcos Hikari. |
| Background: Although the hydrozoan Olindias sambaquiensis is the most common jellyfish associated with human envenomation in southeastern and southern Brazil, information about the composition of its venom is rare. Thus, the present study aimed to analyze pharmacological aspects ofO. sambaquiensis venom as well as clinical manifestations observed in affected patients. Crude protein extracts were prepared from the tentacles of animals; peptides and proteins were sequenced and submitted to circular dichroism spectroscopy. Creatine kinase, cytotoxicity and hemolytic activity were evaluated by specific methods.Results: We identified two novel cytolysins denominated oshem 1 and oshem 2 from the tentacles of this jellyfish. The cytolysins presented the amino... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Olindias sambaquiensis; Hemolytic; Myonecrosis; Cytotoxicity; Cytolysin; Cnidaria venom. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992014000200316 |
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| Nogueira Júnior,Miodeli; Nagata,Renato Mitsuo; Haddad,Maria Angélica. |
| Seasonal variation of large medusae abundance and biomass was studied in the North Bay, Santa Catarina, southern Brazil (27°30'S, 48° 32'W), from February to December 2005. Collecting was conducted seasonally with the help of fishing bottom trawl in 30-minute sections (12 in summer, 18 in each of the remaining seasons) in six stations, totaling 66 samples. Eight species were found: the hydrozoans Aequorea sp., Olindias sambaquiensis Müller, 1861, and Rhacostoma atlantica L. Agassiz, 1850; the cubozoans Chiropsalmus quadrumanus (Müller, 1859) and Tamoya haplonema Müller, 1859, and the scyphozoans Aurelia sp., Chrysaora lactea Eschscholtz, 1829 and Lychnorhiza lucerna Haeckel, 1880. Capture rates were low, up to 38 indiv. ha-1, and only ~47% of the samples... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biomass; Chrysaora lactea; Jellyfish; Olindias sambaquiensis; Rhacostoma atlantica. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300009 |
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