Ultrastructural localization of adenosine triphosphatase activity in HeLa cells at various stages of the cell cycle

1987 ◽  
Vol 250 (2) ◽  
Author(s):  
Sanjida Mughal ◽  
AbdullatifA. Al-Bader ◽  
Alfred Cuschieri ◽  
Bassim Kharbat
Keyword(s):  
Cell Cycle ◽  
Hela Cells ◽  
Adenosine Triphosphatase ◽  
Ultrastructural Localization ◽  
Adenosine Triphosphatase Activity

scholarly journals ULTRASTRUCTURAL LOCALIZATION OF Mg++-DEPENDENT DINITROPHENOL-STIMULATED ADENOSINE TRIPHOSPHATASE IN HUMAN BLOOD PLATELETS

1967 ◽  
Vol 15 (5) ◽  
pp. 267-272 ◽  
Author(s):  
VICTOR G. VETHAMANY ◽  
SYDNEY S. LAZARUS
Keyword(s):  
Enzyme Activity ◽  
Plasma Membrane ◽  
Human Blood ◽  
Adenosine Triphosphatase ◽  
Blood Platelets ◽  
Ultrastructural Localization ◽  
Human Platelets ◽  
Structural Localization ◽  
Adenosine Triphosphatase Activity ◽  
Human Blood Platelets

Fine structural localization of adenosine triphosphatase activity was studied in human platelets briefly fixed in cold formol calcium and then incubated in lead medium with added dinitrophenol. Under these conditions, the Mg++-dependent dinitrophenol-stimulated adenosine triphosphatase of platelet mitochondria was demonstrated, but neither granules nor plasma membrane showed enzyme activity.

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