Characterization of aliphatic amine 1,4-diazobicyclo (2,2,2) octane-induced stimulation of beet spinach thylakoid electron transport.
Indian J Biochem Biophys
;
1992 Dec; 29(6): 490-3
Artículo
en Inglés
| IMSEAR
| ID: sea-27933
ABSTRACT
Electron transport activity of beet spinach thylakoids was enhanced in the presence of aliphatic amine, DABCO (1,4-diazobicyclo (2,2,2) octane), a hydrophilic proton trapping agent. The extent of stimulation was pH-dependent and similar to the effect of the uncoupler ammonium chloride on electron transport. The stimulation of whole-chain (H2O-->MV) electron transport activity was observed only at high (rate-saturating) light intensity. The light-induced proton uptake coupled to electron transport of thylakoid was also arrested by DABCO, suggesting that DABCO uncouples thylakoid phosphorylation by proton trapping.
Texto completo:
Disponible
Índice:
IMSEAR (Asia Sudoriental)
Asunto principal:
Piperazinas
/
Plantas
/
Protectores contra Radiación
/
Cinética
/
Cloroplastos
/
Transporte de Electrón
/
Membranas Intracelulares
Idioma:
Inglés
Revista:
Indian J Biochem Biophys
Año:
1992
Tipo del documento:
Artículo
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