Comparative Biochemistry and Physiology A-molecular & Integrative Physiology
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#1Trevor J. Hamilton (U of A: University of Alberta)H-Index: 14
#2Joshua Szaszkiewicz (MacEwan University)H-Index: 1
Last. Colin J. Brauner (UBC: University of British Columbia)H-Index: 39
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There is increased interest in rearing salmon in Recirculating Aquaculture Systems (RAS), where environmental conditions can be tightly controlled to optimize growth. Photoperiod and salinity are two important parameters that can be manipulated in RAS. A longer photoperiod permits more time for feeding, while intermediate salinities may reduce the energetic costs of ionoregulation, both of which may enhance growth. However, little is known about how rearing at different photoperiods and salinity...
#1Tiantian Chen (AAU: Anhui Agricultural University)H-Index: 2
#2Ruihan Xu (AAU: Anhui Agricultural University)H-Index: 1
Last. Li Xilei (AAU: Anhui Agricultural University)
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Abstract null null The sesquiterpenoid methyl farnesoate (MF), a de-epoxide form of insect juvenile hormone III (JH III), plays an essential role in regulating many crucial physiological processes in crustaceans including vitellogenesis and reproduction. 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR) is an important rate-limiting enzyme in the mevalonate pathway, which is critical for the synthesis of JH III and MF. In the present study, a full-length cDNA encoding HMGR (EsHMGR) in Erioc...
Human-induced climate change is occurring rapidly. Ectothermic organisms are particularly vulnerable to these temperature changes due to their reliance on environmental temperature. The extent of ectothermic thermal adaptation and plasticity in the literature is well documented; however, the role of oxidative stress in these processes needs more attention. Oxidative stress occurs when reactive oxygen species, generated mainly through aerobic respiration, overwhelm antioxidant defences and damage...
#1Mei Wang (Sichuan Agricultural University)H-Index: 3
#2Shaoqi Xu (Sichuan Agricultural University)H-Index: 3
Last. Xin Zhang (Sichuan Agricultural University)H-Index: 7
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Abstract null null Amylin is a 37-amino acid polypeptide that has been found to be involved in feeding regulation in some mammals, birds, and goldfish. We cloned amylin of Siberian sturgeon and detected its distribution pattern in 15 tissues. The expression levels in the periprandial period (pre-and post-feeding), the changes in the food intake, and the expression levels of related appetite factors after the intraperitoneal injection of amylin were detected. The expression of amylin was found to...
Abstract null null Animals which feed infrequently and on large prey, like many snake species, are characterized by a high magnitude of gut upregulation upon ingesting a meal. The intensity of intestinal upregulation was hypothesized to be proportional to the time and energy required for food processing (Specific-Dynamic-Action; SDA); hence, a positive correlation between the scope of intestinal growth and SDA response can be deduced. Such a correlation would support the so far not well establis...
#1Sriparna Pal (BHU: Banaras Hindu University)H-Index: 1
#2Chandana Haldar (BHU: Banaras Hindu University)H-Index: 24
Last. Rakesh Verma (BHU: Banaras Hindu University)H-Index: 4
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Female reproductive physiology is greatly dependent on tight regulation of metabolic and survival factors. Photoperiod regulates female reproductive rhythms but very less information exists explaining whether photoperiod could modulate thyroid hormone homeostasis, metabolic/energy parameters along with survival, proliferation and gap junction proteins in the ovary of a long-day breeder, Mesocricetus auratus. Adult female hamsters were exposed to different photoperiodic regimes i.e., critical pho...
#1Helena Rachel Mota Araujo (UFBA: Federal University of Bahia)H-Index: 1
#2José Eduardo de Carvalho (UNIFESP: Federal University of São Paulo)H-Index: 11
Last. André Luis da Cruz (UFBA: Federal University of Bahia)H-Index: 6
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Ambush-foraging snakes that ingest large meals might undergo several months without eating when they use the internal reserves to support the energetic costs of living. Then, morphological and physiological processes might be orchestrated during the transition from fasting to the postprandial period to rapidly use the energetic stores while the metabolic rate is elevated in response to food intake. To understand the patterns of substrates deposition after feeding, we accessed the morphological a...
#1Lang Zhang (Chinese Academy of Fishery Sciences)
#2Xiaohui Li (Chinese Academy of Fishery Sciences)
Last. He Li (Chinese Academy of Fishery Sciences)H-Index: 1
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Grass carp is one of the most common farmed fish and its growth rate has been the focus of various studies. However, the impact of long-term exercise on growth rate of juvenile grass carp has not been clearly established. In this study, a four-month exercise trial and liver transcriptome analysis were performed to investigate changes in growth, liver molecular regulatory network and key genes in grass carp. When compared to the non-exercised grass carp (N-EXF), the exercised grass carp (EXF) sho...
Cultured fish can be induced to swim, although the suitability and benefits remain to be tested. Sustained swimming exercise (SSE) training and detraining (DET) were applied in juvenile gilthead sea bream (Sparus aurata) and the metabolic rates were investigated. Fish with a total body mass of 80.5 ± 1.5 g and total length 17.2 ± 0.1 cm were maintained untrained (spontaneously swimming activity, UNT), swim-trained (induced sustained swimming activity, SSE) at 1 BL s-1 for 28 days, or detrained (...
#1Hyojin Ahn (Kindai University)H-Index: 1
#2Yasuo Agawa (Kindai University)H-Index: 6
Last. Keitaro Kato (Kindai University)H-Index: 18
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To specify the timing of exogenous nutrient consumption in the larvae of two commercially important tuna species, the Pacific bluefin tuna (PBF) Thunnus orientalis and the yellowfin tuna (YFT) Thunnus albacares, the gene expressions of peptide transporter 1 (PEPT1) were examined. The mRNA expressions of PEPT1 first occurred at 2 days post hatching (dph) in PBF larvae and 3 dph for the YFT, and PEPT1 was found to only be expressed in the intestinal tract. The histological changes of the digestive...
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