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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 | Genetic structures at the origin of acquisition of the beta-lactamase bla KPC gene显示文摘 | Naas T Cuzon G Villegas MV | 2008 | Antimicrob Agents Chemother2008，52，4： | 1 |
| 3 | Functional characterization of Tn4401, a Tn3-based transposon involved in blaKPC gene mobilization显示文摘 | Cuzon G Naas T Nordmann P | 2011 | Antimicrob Agents Chemother2011，55，11： | 1 |
| 4 | Plasmid-encoded carbapenem-hydrolyzing heta-lactamase OXA-48 in an imipenem-susceptible Klebsiella pneumoniae strain from Belgium显示文摘 | Cuzon G Naas T Bogaerts P | | 0，，09： | 1 |
| 5 | An energetic and conceptual model of the physiological role of dietary carbohydrates and salinity on Litopenaeus vannamei juveniles显示文摘 | Rosas C Cuzon G Gaxiola G | 2002 | Journal of Experimental Marine Biology and Ecology2002，268，1： | 1 |
| 6 | The real threat of Klebsiella pneumoniae earbapenemase-producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Laneet Infect Dis2009，9，： | 1 |
| 7 | The real threat of Klebsiella Pneu- moniae Carbapenevnase-Producing bacteria 显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet Infect Dis2009，9，4： | 1 |
| 8 | Genetic structures at the origin of acquisition of the beta-lactamase bla KPC gene显示文摘 | Naas T Cuzon G Villegas MV | 2008 | Antimicrob Agents Chemother2008，52，4： | 1 |
| 9 | Role of ISKpn7 and dele- tions in blaKpc gene expression 显示文摘 | Naas T Cuzon G Truong HV | 2012 | Antimicrob Agents Chemoth- er2012，56，9： | 1 |
| 10 | Plasmid-mediated carbapenem-hydrolysing OXA-48 beta-lactamse in Klebsiella pneumoniae from Tunisia显示文摘 | Cuzon G Naas T Lesenne A | | 0，，01： | 1 |
| 11 | The real threat of Klebsiella pneumoniae carbapenemase-producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet In- fect Dis2009，9，4： | 1 |
| 12 | An energetic and conceptual model of the physiological role of dietary carbohydrates and salinity on Litopenaeus vannamei juveniles 显示文摘 | Rosas C Cuzon G Gaxiola G | 2002 | Journal of Experimental Marine Biology and Ecology2002，268，： | 1 |
| 13 | Worldwide diversity of Klebsiella pneumoniae that produceβ-lactamase blaKPC-2Gene显示文摘 | Cuzon G Naas T Truong H | 2010 | Emerg Infect Dis2010，16，9： | 1 |
| 14 | The real threat of KlebsielIa pneumoniae carbapenemase-producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet Infect Dis2009，9，4： | 1 |
| 15 | Metabolism and growth of juveniles of Litopenaeus vannamei: effect of salinity and dietary carbohydrate levels 显示文摘 | Rosas C Cuzon G | 2001 | Aquaculture2001，259，： | 1 |
| 16 | The real threat of Klebsiella pneumoniae carhapenemase producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet Infect Dis2009，9，4： | 1 |
| 17 | The real threat of Klebsiella pneumoniae carbapenemase-producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | | 0，，： | 1 |
| 18 | An energetic and conceptual model of the physiological role of dietary carbohydrates and salinity on Litopenaeus vannamei juveniles显示文摘 | Rosas C Cuzon G Gaxiola l | 2002 | Aquaculture2002，268，： | 1 |
| 19 | The real threat of Klebsiella pneumoniae carbapenemase producing bacteria显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet In- fect Dis2009，，9： | 1 |
| 20 | The real threat of Klebsiella pneumoniae carbapenemase - producing bacteria 显示文摘 | Nordmann P Cuzon G Naas T | 2009 | Lancet Infect Dis2009，9，： | 1 |
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