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| 1 | Glutamate dehydrogenase and Na^+-K^+ ATPase expression and growth response of Litopenaeus vannamei to different salinities and dietary protein levels显示文摘Improvement in the osmoregulation capacity via nutritional supplies is vitally important in shrimp aquaculture.The effects of dietary protein levels on the osmoregulation capacity of the Pacific white shrimp(L.vannamei) were investigated.This involved an examination of growth performance,glutamate dehydrogenase(GDH) and Na+-K+ ATPase mRNA expression,,and GDH activity in muscles and gills.Three experimental diets were formulated,containing 25%,40%,and 50% dietary protein,and fed to the shrimp at a salinity of 25.After 20 days,no significant difference was observed in weight gain,though GDH and Na+-K+ ATPase gene expression and GDH activity increased with higher dietary protein levels.Subsequently,shrimp fed diets with 25% and 50% dietary protein were transferred into tanks with salinities of 38 and 5,respectively,and sampled at weeks 1 and 2.Shrimp fed with 40% protein at 25 in salinity(optimal conditions) were used as a control.Regardless of the salinities,shrimp fed with 50% dietary protein had significantly higher growth performance than other diets;no significant differences were found in comparison with the control.Shrimp fed with 25% dietary protein and maintained at salinities of 38 and 5 had significantly lower weight gain values after 2 weeks.Ambient salinity change also stimulated the hepatosomatic index,which increased in the first week and then recovered to a relatively normal level,as in the control,after 2 weeks.These findings indicate that in white shrimp,the specific protein nutrient and energy demands related to ambient salinity change are associated with protein metabolism.Increased dietary protein level could improve the osmoregulation capacity of L.vannamei with more energy resources allocated to GDH activity and expression. | 李二超 Leticia ARENA Gabriel LIZAMA Gabriela GAXIOLA Gerard CUZON Carlos ROSAS 陈立侨 Alain VAN WORMHOUDT | 2011 | Chinese Journal of Oceanology and Limnology2011，29，2： | 2 |
| 2 | Effect of the prefermentative addition of copigments on the polyphenolic composition of Tempranillo wines after malolactic fermentation 显示文摘 | Inmaculada A Aleixandre J L Garcia M J Lizama V Aleixandre-Tud6 J L | 2009 | European Food Research and Technology2009，228，： | 1 |
| 3 | Bacterial leaching of a sulphide ore by Thiobacillus ferrooxidans and Thiobacillus thiooxidan: Shake flash studies 显示文摘 | Lizama H M Suzuki I | 1988 | Biotechnol Bioeng1988，32，： | 1 |
| 4 | Optimized photodegra- dation of reactive blue 19 on TiOz and ZnO suspensions 显示文摘 | Lizama C Freer J Baeza J | 2002 | Catalysis Today2002，76，234： | 1 |
| 5 | Uniform continuity and compactness for resolvent families of operators显示文摘 | Lizama C | 1995 | Acta Appl Math1995，38，： | 1 |
| 6 | Oxygen liquid-film mass transfer in heap leaching显示文摘 | Lizama H M | | 0，，1： | 1 |
| 7 | Condition factor in nine species of fish of the Characidae family in the upper Paraná river floodplain,Brazil显示文摘 | LIZAMA M AMBR(O)SIO A M | | 0，，1： | 1 |
| 8 | Mild solutions for abstract fractional differential equations显示文摘 | Lizama C N'guerekata G | 2012 | Applicable Analysis2012，，： | 1 |
| 9 | A kinetic description of percolation bioleaching显示文摘 | LIZAMA H M | 2004 | Minerals Engineering2004，17，： | 1 |
| 10 | Regularized solutions for abstract volterra equations显示文摘 | Lizama C | 2000 | J Math Anal Appl2000，243，： | 1 |
| 11 | Almost automorphyic mild solution to fractional differential equations显示文摘 | D Araya C Lizama | 2008 | Nonlinear Anal2008，69，： | 1 |
| 12 | On Approximation and representation of K-regularized resolvent families显示文摘 | Lizama C | 2001 | Intergral Equations and Operator Theory2001，41，： | 1 |
| 13 | Rates of approximation and ergodic limits of regularized operator families显示文摘 | Lizama C Prado H | 2003 | J Approx Theory2003，122，： | 1 |
| 14 | S-asymptotically ω-periodic solutions for semilinear Volterra equations显示文摘 | Cuevas C Lizama C | | 0，，13： | 1 |
| 15 | A mean ergodic theorem for resolvent operators显示文摘 | LIZAMA C | 1993 | Semigroup Forum1993，47，1： | 1 |
| 16 | On multiplicative perturbation of integral resolvent families显示文摘 | Lizama C Poblete V | 2007 | J Math Anal Appl2007，327，： | 1 |
| 17 | Spectral criteria for solvability of boundary value problems and positivity of solutions of timefractional differential equations显示文摘 | KEYANTUO V LIZAMA C WARMA M | 2013 | Abstract and Applied Analysis2013，15，2： | 1 |
| 18 | Highly active deep HDS catalysts prepared using Mo and W heteropolyacids supported on SBA-15显示文摘 | Lizama L Klimova T | 2008 | Applied Catalysis B:Environmental2008，82，3： | 1 |
| 19 | Dibenzothiophene sulfur can serve as the sole electron acceptor during growth by sulfate-reducing bacteria显示文摘 | Hector M. Lizama LaDonna A. Wilkins Timothy C. Scott | 1995 | Biotechnology Letters1995，，1： | 1 |
| 20 | Expression of BCL-2 family genes in germ cells undergoing apoptosis during the first wave of spermatogenesis in the rat显示文摘 | Vergara SP Lizama C Brouwer-Visser J | 2011 | Andrologia2011，43，4： | 1 |
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