Results 141 to 150 of about 389 (162)
INFESTATION BY OCTOLASMIS LOWEI (CIRRIPEDIA: POECILASMATIDAE) IN CALLINECTES DANAE AND CALLINECTES ORNATUS (DECAPODA: PORTUNIDAE) FROM SÃO SEBASTIÃO, BRAZIL [PDF]
Journal of Crustacean Biology, 2002 Abstract Two species of blue crabs were investigated with regard to infestation of the branchial chambers by the pedunculate cirriped Octolasmis lowei. In Callinectes danae, the frequency of infestation was 22.4%, and the mean intensity of infestation was 2.2 ± 0.2 (range: 1–8).
Cynthia Santos, Sérgio L. S. Bueno
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Acta Zoologica, 2013 Zara, F.J., Gaeta, H.H., Costa, T.M., Toyama, M.H. and Caetano, F.H. 2011. The ovarian cycle histochemistry and its relationship with hepatopancreas weight in the blue crab Callinectes danae (Crustacea: Portunidae).
Fernando JOSÉ Zara +2 more
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Archives of Biochemistry and Biophysics, 1974
Abstract Blue crab muscle ( Callinectes danae ) glycogen phosphorylase a was purified by adsorption of a crude extract on a starch column, elution with a dilute glycogen solution, selective precipitation with ammonium sulfate, dialysis against a solution containing ammonium sulfate and ethylenediaminetetraacetate, followed by centrifugation and ...
D, Santiago +3 more
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Abstract Blue crab muscle ( Callinectes danae ) glycogen phosphorylase a was purified by adsorption of a crude extract on a starch column, elution with a dilute glycogen solution, selective precipitation with ammonium sulfate, dialysis against a solution containing ammonium sulfate and ethylenediaminetetraacetate, followed by centrifugation and ...
D, Santiago +3 more
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Journal of Invertebrate Pathology, 2022
Crabs can be infected by a variety of pathogenic micro-organisms but the most damaging are viruses. Naturally-occurring Callinectes sapidus reovirus 1 (CsRV1) is thought to contribute to mortality of Callinectes sapidus in soft crab culture in the USA.
Camila, Prestes Dos Santos Tavares +7 more
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Crabs can be infected by a variety of pathogenic micro-organisms but the most damaging are viruses. Naturally-occurring Callinectes sapidus reovirus 1 (CsRV1) is thought to contribute to mortality of Callinectes sapidus in soft crab culture in the USA.
Camila, Prestes Dos Santos Tavares +7 more
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Bulletin of Environmental Contamination and Toxicology, 2012
This study determined the concentrations of eleven metals in the blue crab, Callinectes danae, from nine sites in the Santos Estuarine System of Sao Paulo State, Brazil. The results were compared to guidelines established in the United States, Europe and Brazil for the safety of human consumers.
Isabella C Bordon +2 more
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This study determined the concentrations of eleven metals in the blue crab, Callinectes danae, from nine sites in the Santos Estuarine System of Sao Paulo State, Brazil. The results were compared to guidelines established in the United States, Europe and Brazil for the safety of human consumers.
Isabella C Bordon +2 more
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Hydrobiologia, 2001
The feeding activity along the day cycle and the time consumed for extracellular digestion were evaluated in the portunids C. ornatus and C. danae. Swimming crabs were obtained from trawling in Ubatuba bay, Sao Paulo, Brazil, during both the rainy and dry seasons.
Alvaro Luiz Diogo Reigada +1 more
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The feeding activity along the day cycle and the time consumed for extracellular digestion were evaluated in the portunids C. ornatus and C. danae. Swimming crabs were obtained from trawling in Ubatuba bay, Sao Paulo, Brazil, during both the rainy and dry seasons.
Alvaro Luiz Diogo Reigada +1 more
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The glycogen phosphorylase system from the muscle of the blue crab: Callinectes danae
Comparative Biochemistry and Physiology, 1969Abstract 1. 1. Glycogen phosphorylase in extracts from blue crab muscle, Callinectes danae, was assayed at pH 6·6 in presence of cysteine. 2. 2. Two interconvertible forms of the enzyme are present: b has a total AMP∗ requirement for activity; a partial requirement. The btoa conversion requires ATP and kinase which precipitates at pH 5·7; the
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Journal of the Marine Biological Association of the United Kingdom, 2009
The capture of crabs of the genus Callinectes is one of the oldest extractive activities practised by waterside communities, due to the abundance of brachyurans along the Brazilian coast. The present paper aimed to provide basic information on the population biology of C. sapidus and C.
Mário José Pereira +5 more
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The capture of crabs of the genus Callinectes is one of the oldest extractive activities practised by waterside communities, due to the abundance of brachyurans along the Brazilian coast. The present paper aimed to provide basic information on the population biology of C. sapidus and C.
Mário José Pereira +5 more
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Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2007
By perfusing their branchial chambers with filtered seawater, we have developed a preparation that allows us to maintain the swimming crab Callinectes danae outside water without any major effects on its cardiac activity. This in turn allowed us to selectively stimulate chemoreceptors located in different body parts, and specifically to discriminate ...
Juan F, Aggio, José C, de Freitas
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By perfusing their branchial chambers with filtered seawater, we have developed a preparation that allows us to maintain the swimming crab Callinectes danae outside water without any major effects on its cardiac activity. This in turn allowed us to selectively stimulate chemoreceptors located in different body parts, and specifically to discriminate ...
Juan F, Aggio, José C, de Freitas
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Acta Zoologica, 2017
AbstractThe aim of this study was to characterize the morphology and function of each section of the reproductive system of male Callinectes danae, as well as the stages of reproductive development and their relation to secondary sexual characteristics. Development of their reproductive system begins after completion of the pubertal moult.
Renata A. Shinozaki‐Mendes +1 more
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AbstractThe aim of this study was to characterize the morphology and function of each section of the reproductive system of male Callinectes danae, as well as the stages of reproductive development and their relation to secondary sexual characteristics. Development of their reproductive system begins after completion of the pubertal moult.
Renata A. Shinozaki‐Mendes +1 more
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