Effect of temperature on proton efflux from isolated chloroplast thylakoids |
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| Authors: | Nolan W G |
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| Affiliation: | Biology Department, Georgia State University, University Plaza, Atlanta, Georgia 30303. |
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| Abstract: | ![]()
Temperature-induced changes in the decay of the light-induced proton gradient of chloroplast thylakoids isolated from chilling-resistant and chilling-sensitive plants have been examined. In the presence of N-methylphenazonium methosulfate, the thylakoids isolated from chilling-resistant barley (cv. Kanby) and pea (cv. Alaska) and chilling-sensitive mung bean (cv. Berken) plants showed temperature-induced changes at approximately 8.6, 13.3, and 14.0 C, respectively. Barley thylakoids assayed in the presence of sodium thiocyanate also showed a change at 8.6 C, whereas with no addition or upon the inclusion of both N-methylphenazonium methosulfate and sodium thiocyanate the change occurred at approximately 11.5 C. |
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