Activation of plant plasma membrane H+-ATPase by the non-ionic detergent Brij 58
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Activation of plant plasma membrane H+-ATPase by the non-ionic detergent Brij 58. / Ibarz, Esmeralda; Palmgren, Michael G.; Palazón, Javier; Piñol, Maria Teresa; Serrano, Ramón.
In: BBA - Biomembranes, Vol. 1196, No. 1, 23.11.1994, p. 93-96.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Activation of plant plasma membrane H+-ATPase by the non-ionic detergent Brij 58
AU - Ibarz, Esmeralda
AU - Palmgren, Michael G.
AU - Palazón, Javier
AU - Piñol, Maria Teresa
AU - Serrano, Ramón
PY - 1994/11/23
Y1 - 1994/11/23
N2 - Plasma membrane vesicles were purified from tobacco callii and the modulation of H+-ATPase by detergents was investigated. The nonionic detergent Brij 58 not only activated ATP hydrolysis (2-fold) but also proton pumping (more than 4-fold). Triton X-100, within a more limited concentration range, produced a similar effect. The simultaneous activation of ATP hydrolysis and proton pumping is not compatible with current interpretations of effects of nonionic detergents on the H+-ATPase based on latency of the enzyme and opening of vesicles.
AB - Plasma membrane vesicles were purified from tobacco callii and the modulation of H+-ATPase by detergents was investigated. The nonionic detergent Brij 58 not only activated ATP hydrolysis (2-fold) but also proton pumping (more than 4-fold). Triton X-100, within a more limited concentration range, produced a similar effect. The simultaneous activation of ATP hydrolysis and proton pumping is not compatible with current interpretations of effects of nonionic detergents on the H+-ATPase based on latency of the enzyme and opening of vesicles.
KW - ATPase, H-
KW - Detergent activation
KW - Plasma membrane
KW - Tobacco calli
UR - http://www.scopus.com/inward/record.url?scp=0027992735&partnerID=8YFLogxK
U2 - 10.1016/0005-2736(94)90300-X
DO - 10.1016/0005-2736(94)90300-X
M3 - Journal article
C2 - 7986816
AN - SCOPUS:0027992735
VL - 1196
SP - 93
EP - 96
JO - B B A - Biomembranes
JF - B B A - Biomembranes
SN - 0005-2736
IS - 1
ER -
ID: 245002558