Alpha Carbonic Anhydrase 5 Mediates Stimulation of ATP Synthesis by Bicarbonate in Isolated Arabidopsis Thylakoids
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We studied bicarbonate-induced stimulation of photophosphorylation in thylakoids isolated from leaves of Arabidopsis thaliana plants. This stimulation was not observed in thylakoids of wild-type in the presence of mafenide, a soluble carbonic anhydrase inhibitor, and was absent in thylakoids of two mutant lines lacking the gene encoding alpha carbonic anhydrase 5 (αCA5). Using mass spectrometry, we revealed the presence of αCA5 in stromal thylakoid membranes of wild-type plants. A possible mechanism of the photophosphorylation stimulation by bicarbonate that involves αCA5 is proposed.
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2019 ◽
Vol 116
(52)
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pp. 27115-27123
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2015 ◽
Vol 32
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pp. 65-79
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2006 ◽
Vol 87
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pp. 2397-2401
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2005 ◽
Vol 60
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pp. 272-278
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2017 ◽
Vol 4
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2002 ◽
Vol 404
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pp. 197-209
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