Seasonal variation of energy metabolism in ghost crab Ocypode quadrata at Siriú Beach (Brazil)

Vinagre, Anapaula Sommer; Amaral, Ana Paula Nunes do; Ribarcki, Fabiana Pinto; Silveira, Eliane Fraga da; Périco, Eduardo

doi:10.1016/j.cbpa.2006.02.004

Cited by 51 publications

(41 citation statements)

References 31 publications

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“…Most species reduce their metabolic rate and deplete protein, glycogen and lipid reserves during nutritional stress (Vinagre & Da Silva 1992, Oliveira et al 2004, Comoglio et al 2005. The relative importance of these reserves and their order of utilization vary according to the species, recent feeding history, diet composition and length of fast (Clifford & Brick 1983, Vinagre & Da Silva 2002, Vinagre et al 2007. Some authors have mentioned that the metabolism in crustaceans is primarily based in glycogen and fatty acids (Welsh 1975, Wen et al 2006, but in contrast decreased levels of protein have been noted during fasting in other marine decapods (Barclay et al 1983, Dall & Smith 1986).…”

Section: Discussionmentioning

confidence: 99%

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Starvation effects on physiological parameters and biochemical composition of the hepatopancreas of the southern king crab Lithodes santolla (Molina, 1782)

Comoglio

Goldsmit²,

Amin

2008

Rev. biol. mar. oceanogr.

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Resumen.-Este estudio evalúa los efectos del ayuno en la centolla Lithodes santolla. Machos adultos de la centolla fueron mantenidos en condiciones de ayuno durante 12 días. Cada 3 días (i.e., 0, 3, 6, 9 y 12 días) se evaluó en subgrupos el consumo de oxígeno, la excreción de amonio, la relación atómica O:N y la composición bioquímica del hepatopáncreas. El índice hepatosomático (calculado individualmente como el porcentaje del peso húmedo del hepatopáncreas en relación al peso húmedo total del individuo) fue menor a 12 días de ayuno, coincidiendo con el menor contenido de proteínas en el hepatopáncreas. No se detectaron diferencias significativas en la composición bioquímica porcentual (contenido de agua, materia orgánica y cenizas). El contenido lipídico no fue significativamente diferente durante el experimento aunque el mayor valor fue registrado a los 3 días de ayuno. Entre los 3 y 9 días de ayuno, la excreción de amonio y el contenido de proteínas en el hepatopáncreas fue mayor y la actividad enzimática de tripsina, menor. Esto podría indicar que el catabolismo de proteínas fue el más importante durante ese período. Este hecho también se confirma por los bajos valores de O:N detectados en el período mencionado. A los 9 días de ayuno se incrementó el consumo de oxígeno, acompañado con un alto valor de excreción de amonio, originados probablemente por una demanda extra de energía producida por el ayuno. Se concluye que L. santolla para estos rangos de tiempo experimental utiliza proteínas como fuente primaria de energía.Palabras clave: Cangrejos, consumo de oxígeno, excreción de amonio, lípidosAbstract.-This study evaluates the effects of starvation on the physiological aspects of the southern king crab, Lithodes santolla. Adult males of this crab species were maintained in starving conditions for 12 days. Every 3 days (i.e., 0, 3, 6, 9 and 12), subgroups were taken to evaluate oxygen consumption, ammonia excretion, O:N atomic ratio and biochemical composition of the hepatopancreas. The hepatosomatic index (calculated individually as the percentage of hepatopancreas wet mass in relation to the total body wet weight) was lower at 12 days starving period, coincidentally with the minor amount of hepatopancreatic protein. No significant differences in the relative biochemical composition (percentage of water, organic matter and ash) were detected. The lipid content was not significantly different during the experiment; nevertheless the higher value was detected at 3 days of starvation. Between the 3 and 9 days of fasting period ammonia excretion and hepatopancreatic protein were higher and the trypsin activity, lower. These results could indicate that protein catabolism was the most important in these periods. Besides, the lower values of O:N detected for all periods confirm this effect. On the ninth day of starvation oxygen consumption increased together with a high value of ammonia excretion probably due to an extra energy demand produced by starvation. We conclude that L. santolla in the experimental time-ran...

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Section: Discussionmentioning

confidence: 99%

“…Nutritional deprivation is a natural part of the life cycle of many aquatic organisms (Sanchez Paz et al 2006, Vinagre et al 2007, which principally occurs during molt processes. Molting in crustaceans involves several stages with different feeding behavior and therefore, different kinds of energy from the available food.…”

Section: Introductionmentioning

confidence: 99%

Starvation effects on physiological parameters and biochemical composition of the hepatopancreas of the southern king crab Lithodes santolla (Molina, 1782)

Comoglio

Goldsmit²,

Amin

2008

Rev. biol. mar. oceanogr.

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“…Many biotic factors (e.g., maturation, reproduction, and food availability) and abiotic factors (e.g., photoperiod, temperature, pH, and oxygen in water) can strongly affect the biochemistry and physiology of decapod crustaceans (COMPANY & SARDÀ, 1998;ROSA & NUNES, 2003a, 2003bVINAGRE et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

“…# Significant difference between environments. VINAGRE et al, 2006). This may account for the higher glycogen levels in all the tissues examined (hepatopancreas, gills, and muscle) during winter.…”

Section: Discussionmentioning

confidence: 99%

Seasonal variations in the intermediate metabolism of the crayfish Parastacus brasiliensis (Crustacea, Decapoda, Parastacidae) in the natural environment and experimental culture

Dutra

Zank

Silva

et al. 2008

Iheringia, Sér. Zool.

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ABSTRACT. The goal of this study was to evaluate the effects of seasonal variations on energy metabolism in different tissues of the freshwater crayfish Parastacus brasiliensis (von Martens, 1869). Crayfish were collected monthly from January 2001 to January 2003 in São Francisco de Paula, Rio Grande do Sul, Brazil, in a stream and in a culture tank. Haemolymph samples were collected from each crayfish in the field with a syringe, by puncturing the membrane at the base of the chelipeds. Hepatopancreas, gills, and abdominal muscle were removed for determination of free glucose, glycogen, total lipids, and triglycerides. The haemolymph samples were used for determination of glucose, total proteins, total lipids, and triglycerides. Statistical analysis revealed significant differences in biochemical composition in crayfish collected in the stream compared to the experimental tank during the year, principally in glucose and triglycerides in haemolymph, glycogen and total lipids in all tissues study, and triglycerides only in abdominal muscle. The regular food intake partially modified these seasonal variations of the metabolic pattern. Environmental conditions (e.g., food availability and water temperature) and reproductive period appeared to be the main factors influencing the seasonal patterns of variation in energy metabolism. KEYWORDS.Crayfish, lipids, triglycerides, glucose, proteins. RESUMO. Variações sazonais do metabolismo intermediário do lagostim Parastacus brasiliensis (Crustacea, Decapoda, Parastacidae) no seu ambiente natural e em cultura experimental. O objetivo deste estudo foi avaliar o efeito das variações sazonais no metabolismo energético em diferentes tecidos do lagostim de água-doce Parastacus brasiliensis (von Martens, 1869). Os lagostins foram coletados mensalmente de Janeiro de 2001 a Janeiro de 2003 em São Francisco de Paula, RioGrande do Sul, Brasil, no riacho e no tanque de cultivo. Amostras de hemolinfa foram coletadas de cada lagostim em campo com seringa, por punção na membrana da base dos quelípodos. Hepatopâncreas, brânquias e músculo abdominal foram removidos para a determinação dos níveis de glicose livre, de glicogênio, de lipídios totais e de triglicerídeos. As amostras de hemolinfa foram utilizadas para a determinação dos níveis de glicose, de proteínas totais, de lipídios totais e de triglicerídeos. As análises estatísticas revelaram uma variação significativa na composição bioquímica dos lagostins coletados no riacho quando comparados com os do cultivo experimental durante o ano, principalmente da glicose e dos triglicerídeos na hemolinfa, glicogênio e lipídios totais em todos os tecidos estudados, e dos triglicerídeos somente no músculo abdominal. O aporte regular de alimento modificou parcialmente estas variações sazonais do padrão metabólico. As condições ambientais (ex.; disponibilidade de alimento e a temperatura da água) e o período reprodutivo parecem ser os principais fatores a influenciar os padrões sazonais da variação do metabolismo energético.

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“…The differences in crab's fatty acid profile is considered to be environmental variables (e.g. water temperature, salinity, diet type and availability) and different stage of maturation of crabs captured from different locations as well (Vinagre et al, 2007;Antunes et al, 2010). Within the same row, values with different superscripts are significantly different (P < 0.05).…”

Section: Fatty Acid Compositionmentioning

confidence: 99%

Nutritional Analysis and Quality Evaluation in Muscle of Crucifix Crab Charybdis feriatus From Three Wild Populations

Lu¹,

Gong²,

Huang³

et al. 2014

JFR

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Three wild populations of crucifix crab Charybdis feriatus were sampled and muscle was analyzed for proximate composition, amino acid and fatty acid composition, aimed to quantify and compare the nutritional quality from three different locations in China. Results showed that crude protein content in muscle of female crucifix crab C. feriatus from Zhoushan (ZS) and Xiapu (XP) (84.84%-88.35%) were significantly higher than that of crucifix crab C. feriatus from Qionghai (QH) (74.33%), while there was no significant difference in terms of crude fat content (3.82%-4.07%). The highest content of ash was found in muscle of crucifix crab C. feriatus from QH (5.36%). The muscle of crucifix crab C. feriatus from ZS and XP had significantly higher contents of total amino acids, essential amino acids, non-essential amino acids and delicious amino acids than those of QH group (P < 0.05). The total saturated and unsaturated fatty acid content in the muscle of crucifix crab C. feriatus from three wild populations showed significant difference (P < 0.05). The ZS group had highest content of poly-unsaturated fatty acids (33.64%) and total content of EPA and DHA (22.85%) as well, followed by XP and QH group (P < 0.05). Overall, the differences in chemical composition in muscle of C. feriatus from different locations could be attributed to environmental variables and maturation stage.

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Seasonal variation of energy metabolism in ghost crab Ocypode quadrata at Siriú Beach (Brazil)

Cited by 51 publications

References 31 publications

Starvation effects on physiological parameters and biochemical composition of the hepatopancreas of the southern king crab Lithodes santolla (Molina, 1782)

Starvation effects on physiological parameters and biochemical composition of the hepatopancreas of the southern king crab Lithodes santolla (Molina, 1782)

Seasonal variations in the intermediate metabolism of the crayfish Parastacus brasiliensis (Crustacea, Decapoda, Parastacidae) in the natural environment and experimental culture

Nutritional Analysis and Quality Evaluation in Muscle of Crucifix Crab Charybdis feriatus From Three Wild Populations

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