Effect of Salinity and Alkalinity on Luciobarbus capito Gill Na+K+-ATPase Enzyme Activity, Plasma Ion Concentration, and Osmotic Pressure
Joint Authors
Geng, Longwu
Tong, Guangxiang
Jiang, Haifeng
Xu, Wei
Source
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-11-17
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
We evaluated the individual and combined effects of salinity and alkalinity on gill Na+/K+-ATPase enzyme activity, plasma ion concentration, and osmotic pressure in Luciobarbus capito.
Increasing salinity concentrations (5, 8, 11, and 14 g/L) were associated with an initial increase and then decrease in L.
capito gill Na+/K+-ATPase activity.
Activity was affected by the difference between internal and external Na+ ion concentrations and osmotic pressure (P<0.05).
Both plasma ion (Na+, K+, and Cl−) concentration and osmotic pressure increased significantly (P<0.05).
An increase in alkalinity (15, 30, 45, and 60 mM) caused a significant increase in plasma K+ and urea nitrogen concentrations (P<0.05) but had no effect on either plasma osmotic pressure or gill filament ATPase activity.
In the two-factor experiment, the saline-alkaline interaction caused a significant increase in plasma ion (Na+, Cl−, and urea nitrogen) and osmotic pressure (P<0.05).
Variance analysis revealed that salinity, alkalinity, and their interaction significantly affected osmotic pressure, with salinity being most affected, followed by alkalinity, and their interaction.
Gill filament ATPase activity increased at first and then decreased; peak values were observed in the orthogonal experiment group at a salinity of 8 g/L and alkalinity of 30 mM.
American Psychological Association (APA)
Geng, Longwu& Tong, Guangxiang& Jiang, Haifeng& Xu, Wei. 2016. Effect of Salinity and Alkalinity on Luciobarbus capito Gill Na+K+-ATPase Enzyme Activity, Plasma Ion Concentration, and Osmotic Pressure. BioMed Research International،Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1097824
Modern Language Association (MLA)
Geng, Longwu…[et al.]. Effect of Salinity and Alkalinity on Luciobarbus capito Gill Na+K+-ATPase Enzyme Activity, Plasma Ion Concentration, and Osmotic Pressure. BioMed Research International No. 2016 (2016), pp.1-7.
https://search.emarefa.net/detail/BIM-1097824
American Medical Association (AMA)
Geng, Longwu& Tong, Guangxiang& Jiang, Haifeng& Xu, Wei. Effect of Salinity and Alkalinity on Luciobarbus capito Gill Na+K+-ATPase Enzyme Activity, Plasma Ion Concentration, and Osmotic Pressure. BioMed Research International. 2016. Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1097824
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1097824