Changes in lipid and protein during starvation and the moulting cycle in the tiger prawn, Penaeus esculentus Haswell

Barclay, M.C.; Dall, W.; Smith, David M.

doi:10.1016/0022-0981(83)90055-2

Cited by 164 publications

(85 citation statements)

References 27 publications

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“…protein supplied the greatest quantity of metabolic energy during prolonged starvation of larval H. americanus. This same relationship was seen in the rotifer Brachionus plicati1is Muller (Scott -189-and Baynes, 1978), and the prawn Penaeus esculentus Haswell (Barclay et al, 1983).…”

Section: Starvation Starvation Trials Were Begun At Hatch (D-o) and Tmentioning

confidence: 57%

“…When only the hepatopancreas was analyzed, the peak levels of lipid usually occurred sooner in early premolt (Renaud, 1949;O'Connor and Gilbert, 1969;Lautier and Lagarrigue, 1976;Ando et al, 1977;Barclay et al, 1983), followed by a decline similar to the decline seen in whole body levels. This slight difference in peak lipid level periods between the hepatopancreas…”

Section: Molt Cyclementioning

confidence: 99%

“…In general, the absolute levels of lipid increase in the body and hepatopancreas during the early and mid premolt stages, followed by a decline during the late premolt, molt and recovery stages (Paul and Sharpe, 1919;Renaud, 1949;Travis, 1955a;Kanazawa et al, 1976a;Spindler-Barth, 1976;Teshima and Kanazawa, 1976;Ando et al, 1977;Teshima et al, 1977;Galois, 1980;Read and Caulton, 1980;Barclay et al, 1983). This fluctuation of lipid is apparent~y a reflection of its function as a major energy reserve responsible for maintaining the animal through its molt.…”

Section: Moltingmentioning

confidence: 99%

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Biochemical changes associated with embryonic and larval development in the American lobster Homarus americanus Milne Edwards

Sasaki¹

1984

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Section: Starvation Starvation Trials Were Begun At Hatch (D-o) and Tmentioning

confidence: 57%

Section: Molt Cyclementioning

confidence: 99%

Section: Moltingmentioning

confidence: 99%

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Biochemical changes associated with embryonic and larval development in the American lobster Homarus americanus Milne Edwards

Sasaki¹

1984

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“…Total proteins were extracted according to published methods (Elendt, 1989;Barclay et al, 1983), and then determined using specific test-combinations. All assays were performed in a recording spectrophotometer (Beckman DU-6) at 25°C.…”

Section: Glycogen and Protein Assaysmentioning

confidence: 99%

Freezing or supercooling: how does an aquatic subterranean crustacean survive exposures at subzero temperatures?

Issartel

Voituron

Odagescu

et al. 2006

Journal of Experimental Biology

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Crystallization temperature (T c ), resistance to inoculative freezing (IF), ice contents, bound water, protein and glycogen body contents were measured in the aquatic subterranean crustacean Niphargus rhenorhodanensis and in the morphologically close surface-dwelling aquatic crustacean Gammarus fossarum, both acclimated at 12°C, 3°C and -2°C. Cold acclimation induced an increase in the T c values in both species but no survival was observed after thawing. However, after inoculation at high sub-zero temperatures, cold-acclimated N. rhenorhodanensis survived whereas all others, including the 3°C and -2°C acclimated G. fossarum died. In its aquatic environment, N. rhenorhodanensis is likely to encounter inoculative freezing before reaching the T c and IF tolerance appears as a highly adaptive trait in this species. Bound water and glycogen were found to increase in the 3°C and -2°C acclimated N. rhenorhodanensis, whereas no variation was observed in G. fossarum. Considering the hydrophilic properties of glycogen, such a rise may be correlated with the increased bound water measured in cold-acclimated N. rhenorhodanensis, and may be linked to the survival of this species when it was inoculated. The ecological significance of the survival of the aquatic subterranean crustacean to inoculative freezing is paradoxical, as temperature is currently highly buffered in its habitat. However, we assume that past geographical distribution and resulting life history traits of N. rhenorhodanensis are key parameters in the current cold-hardiness of the species.

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“…La ausencia de modificaciones significativas en el nivel de proteínas, sugeriría que las proteínas no son las primeras moléculas utilizadas durante las etapas de ayuno. Barclay et al (1983), trabajando con el camarón tigre Penaeus esculentus, propone que son los lípidos la fuente principal de energía utilizada durante el ayuno y la muda; la rápida respuesta de las lipasas al pulso de alimentación apoyaría también esta hipótesis para los juveniles de C. quadricarinatus.…”

Section: Discussionunclassified

Influencia de la alimentacion sobre el ritmo circadiano de las enzimas digestivas en el cultivo de juveniles de la langosta de agua dulce Cherax quadricarinatus (Parastacidae)

Sacristán¹,

Franco-Tadic²,

Greco³

2013

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RESUMEN.Se analiza en juveniles en etapa de engorde (7 g) de Cherax quadricarinatus, el ritmo circadiano de los niveles de proteínas totales, la actividad de las proteasas, lipasas y amilasas, y su posible modificación en función del momento de alimentación matutino (8 h) y vespertino (17 h). En general, la actividad de las enzimas digestivas de los juveniles de C. quadricarinatus no mostró un patrón circadiano de secreción, a excepción de las lipasas, donde se observó un incremento de actividad hacia la tarde-noche y disminución hacia las primeras horas de la mañana. Los niveles de proteína total, la actividad de proteinasas y amilasas registradas en la glándula digestiva, permanecieron prácticamente inalterados en todos los experimentos. A pesar de ello, se observó tendencia a que los niveles de actividad de proteinasas disminuyan luego del pulso de alimentación, recuperando los niveles anteriores 3 h después, independientemente del horario de alimentación. En cambio la actividad de amilasa no mostró ninguna tendencia por efecto del horario de alimentación. El estudio de los patrones de secreción de las enzimas digestivas y sus posibles modificaciones, podría ser utilizado como una herramienta para establecer los momentos del día más propicios para la alimentación de los juveniles en cultivo. Palabras clave: enzimas digestivas, glándula digestiva, ritmo circadiano, langostas, juveniles, Cherax quadricarinatus. Influence of feeding on the circadian rhythm of digestive enzymes in cultivated juveniles of the freshwater crayfish Cherax quadricarinatus (Parastacidae)ABSTRACT. We analyze in juvenile Cherax quadricarinatus fattening stage, the circadian rhythm of total protein levels, activity of proteases, lipases and amylases, and their possible change as a function of morning (8 h) and evening (17 h) feeding. In general, the activity of digestive enzymes of juvenile C. quadricarinatus showed no circadian pattern of secretion of lipases except where there was an increase towards the evening-night and a decrease towards the early hours of the morning. The total protein levels, the activity of proteinases and amylases of juveniles of C. quadricarinatus registered in the midgut gland remained virtually unchanged in all experiments. However, a non-significant tendency to diminish the proteinase activity levels after the feeding pulse was observed, with a return to previous enzymatic levels after 3 h. In contrast, the amylase activity did not show an observable effect by the feeding schedule. The study of the patterns of the digestive enzyme secretion and their possible changes, could be used as a tool to establish the most favorable times of the day for juveniles feeding.

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Changes in lipid and protein during starvation and the moulting cycle in the tiger prawn, Penaeus esculentus Haswell

Cited by 164 publications

References 27 publications

Biochemical changes associated with embryonic and larval development in the American lobster Homarus americanus Milne Edwards

Biochemical changes associated with embryonic and larval development in the American lobster Homarus americanus Milne Edwards

Freezing or supercooling: how does an aquatic subterranean crustacean survive exposures at subzero temperatures?

Influencia de la alimentacion sobre el ritmo circadiano de las enzimas digestivas en el cultivo de juveniles de la langosta de agua dulce Cherax quadricarinatus (Parastacidae)

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