Molecular mechanisms underlying sex change in hermaphroditic groupers.

abstract：:In the present study, different reference genes were isolated, and their stability in the skeletal muscle of fine flounder subjected to different nutritional states was assessed using geNorm and NormFinder. The combinations between 18S and ActB; Fau and 18S; and Fau and Tubb were chosen as the most stable gene combina...

journal_title：Fish physiology and biochemistry

authors： Fuentes EN,Safian D,Valdés JA,Molina A

更新日期：2013-08-01 00:00:00

abstract：:The rate of oxygen consumption of minced whole body was determined volumetrically, as an indication of metabolic rate in vitro (M in vitro ), at 20°C in porgy Pagrus major ranging from 0.0002 g (just after hatch) to 2.9 g (67 days old) in body mass. A triphasic relationship was found between M in vitro of individual f...

journal_title：Fish physiology and biochemistry

authors： Oikawa S,Itazawa Y

更新日期：1992-10-01 00:00:00

abstract：:One cannot seek permission to market transgenic fish mainly because there is no field test or any basic research on technological developments for evaluating their biosafety. Infertility is a necessary adjunct to exploiting transgenic fish unless completely secure land-locked facilities are available. In this study, w...

journal_title：Fish physiology and biochemistry

authors： Lin HJ,Lee SH,Wu JL,Duann YF,Chen JY

更新日期：2013-12-01 00:00:00

abstract：:Pituitary gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH), play fundamental roles in vertebrate ovarian development and function. However, there has been an increasing body of evidence that the actions of FSH and LH are mediated or modulated by a variety of locally produced peptide or pr...

journal_title：Fish physiology and biochemistry

authors： Ge W

更新日期：2005-04-01 00:00:00

abstract：:The present study investigates the nephrotoxic effects of two acute doses of silver nanoparticles (AgNPs) and silver nitrate (AgNO3) on the African catfish, Clarias gariepinus, using biochemical, histochemical, and histopathological changes as biomarkers. AgNP-induced impacts were recorded in some of these characteris...

journal_title：Fish physiology and biochemistry

authors： Mahmoud UM,Mekkawy IAA,Naguib M,Sayed AEH

更新日期：2019-12-01 00:00:00

abstract：:Previous study from our laboratory on thiourea-induced thyroid hormone depletion in mature male catfish demonstrated that thyroid hormones play a significant role in testicular function. In the present study, we aimed to analyze the changes in the expression pattern of several steroidogenic enzyme genes after thyroid ...

journal_title：Fish physiology and biochemistry

authors： Rasheeda MK,Sreenivasulu G,Swapna I,Raghuveer K,Wang DS,Thangaraj K,Gupta AD,Senthilkumaran B

更新日期：2005-04-01 00:00:00

abstract：:Mineral needs as affected by changes in dietary protein and oil sources were studied in rainbow trout. Duplicate groups (n = 30 fish per replicate) of rainbow trout (initial BW: 37 g) were fed either a fish meal/fish oil-based (M) or a complete plant ingredient (V)-based diet at four graded ration (R) levels [apparent...

journal_title：Fish physiology and biochemistry

authors： Antony Jesu Prabhu P,Kaushik SJ,Mariojouls C,Surget A,Fontagné-Dicharry S,Schrama JW,Geurden I

更新日期：2015-02-01 00:00:00

abstract：:This review discusses the new biotechnological tools that are arising and promising for conservation and enhancement of fish production, mainly regarding the endangered and the most economically important species. Two main techniques, in particular, are available to avoid extinction of endangered fish species and to i...

journal_title：Fish physiology and biochemistry

authors： de Siqueira-Silva DH,Saito T,Dos Santos-Silva AP,da Silva Costa R,Psenicka M,Yasui GS

更新日期：2018-12-01 00:00:00

abstract：:The yellow catfish Pelteobagrus fulvidraco with initial average weight 16.6 ± 0.17 g were fed three extruded diets for 56 days. Fish meal (FM) diet was formulated as the normal control with 380 g FM and 200 g soybean meal (SBM) kg-1 diet. The SBM diet was prepared with 220 g FM and 360 g SBM kg-1 diet without Lys or M...

journal_title：Fish physiology and biochemistry

authors： Jiang J,Xu S,Feng L,Liu Y,Jiang W,Wu P,Wang Y,Zhao Y,Zhou X

更新日期：2018-02-01 00:00:00

abstract：:The manner in which behavior influences the gonadotropin-releasing hormone (GnRH) axis in hermaphroditic fishes is not understood. The Gilthead seabream, Sparus aurata, is a protandrous hermaphrodite with a complex gonadal cycle consisting of a quiescent, pre-spawning, spawning, and post-spawning stage. On two separat...

journal_title：Fish physiology and biochemistry

authors： Reyes-Tomassini J,Wong TT,Zohar Y

更新日期：2013-08-01 00:00:00

abstract：:The major components of the cytochrome P450 (P450) system in liver microsomes of Atlantic salmon were studied using spectrophotometric, catalytic and immunochemical techniques. In juvenile fish sampled during the winter season, high basal activities of 7-ethoxyresorufin O-deethylase (EROD) were found. The Km for 7-eth...

journal_title：Fish physiology and biochemistry

authors： Goksøyr A,Larsen HE

更新日期：1991-12-01 00:00:00

abstract：:Prolactin (PRL) is one of the most versatile hormones found in the pituitary of vertebrates and exerts its actions through binding to a specific PRL receptor (PRLR). Here we describe the cloning and characterization of a second prolactin receptor (ntPRLR2), isolated from the ovary of Nile tilapia (Oreochromis niloticu...

journal_title：Fish physiology and biochemistry

authors： Zhang Y,Long Z,Li Y,Yi S,Shi Y,Ma X,Huang W,Lu D,Zhu P,Liu X,Meng Z,Huang X,Cheng CH,Lin H

更新日期：2010-06-01 00:00:00

abstract：:Environmental stressors caused by inadequate aquaculture management strategies suppress the immune response of fish and make them more susceptible to diseases. Therefore, efforts have been made to relieve stress in fish by using various functional feed additives in the diet, including probiotics. The present work eval...

journal_title：Fish physiology and biochemistry

authors： Dawood MA,Koshio S,Ishikawa M,El-Sabagh M,Yokoyama S,Wang WL,Yukun Z,Olivier A

更新日期：2017-02-01 00:00:00

abstract：:Transferrin mRNA in liver was quantified in farmed Atlantic salmon (Salmo salar) fed three different levels (310-, 65-, and 40 ppm) of dietary iron for 26 weeks. At the time of sampling, the fish fed 40 ppm iron showed symptoms of iron deficiency. Mean values of liver storage iron was reduced from 84 to 12 mg kg(-1) a...

journal_title：Fish physiology and biochemistry

authors： Kvingedal AM,Dehli A,Rørvik KA

更新日期：1996-08-01 00:00:00

abstract：:Germinal vesicle migration (GVM) and/or dissolution (GVD) were measured in goldfish oocytes, treated with 17α, 20β dihydroxyprogesterone (DHP) and other compounds considered to effect the cytoskeleton and oxidative phosphorylation,in vitro. Administration of DHP reinitiated meiotic maturation, increasing GVM and GVD i...

journal_title：Fish physiology and biochemistry

authors： Habibi HR,Lessman CA

更新日期：1986-09-01 00:00:00

abstract：:We have studied the location and the ontogeny of the digestive enzyme, phospholipase A2 (PLA2) immunohistochemically in the adult and larvae/juvenile of the red sea breamPagrus major by using an antiserum against theNaja naja venom PLA2. The antiserum reacts with at least one enzyme among the PLA2s purified from the f...

journal_title：Fish physiology and biochemistry

authors： Uematsu K,Kitano M,Morita M,Iijima N

更新日期：1992-02-01 00:00:00

abstract：:Vitellogenin (VTG) from spotted wolffish, Anarhichas minor, a candidate species for cold-water marine aquaculture, was purified by MgCl₂/EDTA precipitation followed by a two-step chromatographic procedure. VTG had an apparent molecular mass of 470 kDa, as determined by gel filtration, and an amino acid composition sim...

journal_title：Fish physiology and biochemistry

authors： Maltais D,Dupont-Cyr BA,Roy RL,Le François NR

更新日期：2014-02-01 00:00:00

abstract：:The biological activities of lamprey GnRH and analogs were determined in the adult male lamprey,Petromyzon marinus. Two successive injections of lamprey GnRH at 0.005, 0.065 or 0.163 μg/g body weight or [D-Ala(6),Pro(9)-NHEt] mammal GnRH at 0.05 μg/g stimulated plasma estradiol and progesterone levels in adult male la...

journal_title：Fish physiology and biochemistry

authors： Sower SA

更新日期：1989-06-01 00:00:00

abstract：:A study on the effect of three different anabolic-androgenic steroids on the growth, food conversion efficiency and nucleic acid contents of liver, kidney, brain and muscle of carp,Cyprinus carpio was undertaken. The three steroids, methyltestosterone (MT), ethylestrenol (EE) and oxandrolone (ON), were fed in differen...

journal_title：Fish physiology and biochemistry

authors： Lone KP

更新日期：1989-05-01 00:00:00

abstract：:Estuarine environments are characterized by cyclical fluctuations in tides, with tidal shifts drastically, frequently, and acutely altering temperature, dissolved oxygen, and salinity. Despite these ecological challenges, the sheepshead minnow, Cyprinodon variegatus, seems to dominate estuarine landscapes. Here, we he...

journal_title：Fish physiology and biochemistry

authors： Jimenez AG,Braun E,Tobin K

更新日期：2019-04-01 00:00:00

abstract：:Lectins are sugar-binding proteins that mediate pathogen recognition and cell-cell interactions. A rhamnose-binding lectin (RBL) gene and its promoter region have been cloned and characterized from snakehead Channa argus. From the transcription initiation site, snakehead rhamnose-binding lectin (SHL) gene extends 2,38...

journal_title：Fish physiology and biochemistry

authors： Jia WZ,Shang N,Guo QL

更新日期：2010-09-01 00:00:00

abstract：:Variation in individual size has important consequences for a number of characteristics of fish, which can impact fish populations. The impact of fish size on recovery following exercise, however, is poorly understood, with little information existing on the recovery of ionic/osmotic variables. The goal of this study ...

journal_title：Fish physiology and biochemistry

authors： Gingerich AJ,Suski CD

更新日期：2012-04-01 00:00:00

abstract：:In this study, the mechanism that VC inhibits lipid deposition through GSK-3β/mTOR signaling was investigated in the liver of Danio rerio. The results indicated that 0.5- and 1.0-g/kg VC treatments activated mTOR signaling by inhibiting GSK-3β expression. The mRNA expression of FAS, ACC, and ACL, as well as the conten...

journal_title：Fish physiology and biochemistry

authors： Liu D,Gu Y,Pang Q,Han Q,Li A,Wu W,Zhang X,Shi Q,Zhu L,Yu H,Zhang Q

更新日期：2020-02-01 00:00:00

abstract：:The Indian major carp, mrigal (Cirrhinus mrigala), is a bottom-dwelling fish that can survive hypoxic episodes in its natural environment. We hypothesise that it can better survive hypoxic conditions by altering metabolic responses through GABA (Gamma-aminobutyric acid) supplementation. In the first experiment, the hy...

journal_title：Fish physiology and biochemistry

authors： Varghese T,Rejish Kumar VJ,Anand G,Dasgupta S,Pal AK

更新日期：2020-02-01 00:00:00

abstract：:Rhamdia quelen morphophysiological responses to propofol sedation were examined. The purpose was to investigate whether propofol would be a suitable drug to be used in fish transport procedures. Fish were exposed to 0, 0.4 or 0.8 mg L(-1) propofol for 1, 6 or 12 h in 40 L tanks, simulating open transport systems. Prop...

journal_title：Fish physiology and biochemistry

authors： Gressler LT,Sutili FJ,da Costa ST,Parodi TV,Pês Tda S,Koakoski G,Barcellos LJ,Baldisserotto B

更新日期：2015-04-01 00:00:00

abstract：:In order to specify the timing of some changes in ovarian steroid production during the transition from vitellogenesis to ovulation, plasma hormones levels andin vivo andin vitro responses of the ovary to salmon gonadotropin (s-GtH) or dibutyryl-cyclic adenosine mono-phosphate (db-cAMP) were recorded in relationship w...

journal_title：Fish physiology and biochemistry

authors： Fostier A,Jalabert B

更新日期：1986-10-01 00:00:00

abstract：:In aquaculture, antibiotics are the traditional treatment used against bacterial infections. However, their use has increasingly come into question given their effects on fish and, possibly, on human health. Consequently, there is interest in developing alternative treatments aimed at stimulating the innate immune res...

journal_title：Fish physiology and biochemistry

authors： Peña B,Isla A,Haussmann D,Figueroa J

更新日期：2016-04-01 00:00:00

abstract：:Post mortem storage is a necessary process for removal of pin bones without destruction of fillets, thereby avoiding volume and economic loss. However, the enzymes involved in loosening pin bones during storage have not been studied to a great extent. In this study, the activities and localization of MMPs in the conne...

journal_title：Fish physiology and biochemistry

authors： Vuong TT,Rønning SB,Kolset SO,Pedersen ME

更新日期：2017-02-01 00:00:00

abstract：:This study compared Amur sturgeon (Acipenser schrenckii) and Chinese sturgeon (Acipenser sinensis) on several biochemical parameters including glucose (GLU), urea, lactate dehydrogenase (LDH-L), activities of alanine aminotransferase (ALT), aspartate aminotransferase (AST), direct bilirubin (D.BILI), alkaline phosphat...

journal_title：Fish physiology and biochemistry

authors： Shi X,Li D,Zhuang P,Nie F,Long L

更新日期：2006-03-01 00:00:00

abstract：:This study was conducted to determine if diets supplemented with turmeric powder (Curcuma longa) affected the reversible sterilization of Pseudotropheus socolofi. Three experimental diets were formulated to contain 0%, 10%, and 14% turmeric powder. The fish (mean weight 13 g) were randomly divided into groups consisti...

journal_title：Fish physiology and biochemistry

authors： Koca SB,Yigit NO,Ozdogan HBE,Ozmen O

更新日期：2020-08-01 00:00:00