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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 | Drought-and salt-tolerant plants result from over expression of the AVP1 H+-pump显示文摘 | GAXIOLA R A LI J UNDURRAGA S | 2001 | Proceedings of the National Academy of Sciences2001，98，11： | 1 |
| 3 | Drought-and salt-tolerant plants result from over-expression of the AVP1 H+-pump显示文摘 | Gaxiola R A Li J S Undurraga S | 2001 | Proceedings of the National Academy of Sciences USA2001，98，11： | 1 |
| 4 | Predicting the ther mal conductivity of multiple carbon fillers in polypropylene- based resins 显示文摘 | Gaxiola D L Keith J M Mo Na | 2011 | J Compos Mater2011，45，12： | 1 |
| 5 | Rheumatoid arthritis associated interstitial lung disease显示文摘 | Rojas-Serrano J Mejía M Gaxiola M | 2012 | Rev Invest Clin2012，64，61： | 1 |
| 6 | Microbial Models and salt stress tolerance m plants显示文摘 | Serrano R Gaxiola R | 1994 | Critical Reviews in Plant Sciences1994，13，2： | 1 |
| 7 | 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 |
| 8 | Blood metabolites and hemocyanin of the white shrimp, Litopenaeus vannamei:the effect of culture condition and a comparison with other crustacean species 显示文摘 | Pascual C Gaxiola G Rosas C | 2003 | Marine Biology2003，142，： | 1 |
| 9 | On identifying the most critical step in the sequence of heat treating operations in a 7249 aluminum alloy 显示文摘 | Iskandar M Reyes D Gaxiola Y | 2003 | Engineering Failure Analysis2003，10，2： | 1 |
| 10 | Upregulation of gelatinases A and B, collagenases 1 and 2, and increased parenchymal cell death in COPD显示文摘 | SEGURA VALDEZ L PARDO A GAXIOLA M | 2000 | Chest2000，117，3： | 1 |
| 11 | 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 |
| 12 | Cigarette smoke exposure potentiates bleomycin-induced lung fibrosis in guinea pigs显示文摘 | Cisneros-Lira J Gaxiola M Ramos C | 2003 | Am J Physiol Lung Cell Mol Physiol2003，285，4： | 1 |
| 13 | Over-expression of the Arabidopsis proton-pyrophosphatase AVP1 enhances transplant survival,root mass,and fruit development under limiting phosphorus conditions显示文摘 | Yang H B Zhang X Gaxiola R A | 2014 | Journal of Experimental Botany2014，65，12： | 1 |
| 14 | 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 |
| 15 | Upregulation of gelatinases A and B, collagenases I and 2, and increased parenchymal cell death in COPD 显示文摘 | Segura - Valdez L Pardo A Gaxiola M | 2000 | Chest2000，117，2： | 1 |
| 16 | The Arabidopsis thaliana proton transporters, AtNhxl and Avpl, can function in cation detoxification in yeast显示文摘 | GAXIOLA R A RAO R SHEMAN A | 1999 | Proceeding of the National Academy of Sciences of the United States of America1999，96，4： | 1 |
| 17 | Drought-and salt-tolerant plants result from overexpression of the AVP1 H+-pump显示文摘 | GAXIOLA R A LI J UNDURRAGA S etal | 2001 | Proceedings of the National Academy of Sciences2001，98，11： | 1 |
| 18 | Nutrition of Litopenaeus vannamei reared in tanks or in ponds 显示文摘 | CUZON G LAWRENCE A GAXIOLA G | 2004 | Aquaculture2004，235，： | 1 |
| 19 | Plant proton pumps显示文摘 | Gaxiola R A Palmgren M G Schumacher K | 2007 | FEBS Letters2007，581，： | 1 |
| 20 | On identifying themost critical step in the sequence of heat treating operations in a7249 aluminum alloy 显示文摘 | ISKANDAR M REYES D GAXIOLA Y | 2003 | Engineering Failure Analysis2003，10，： | 1 |
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