The Effect of Sodium Chloride on the Balance between the C3- and C4-Carbon Fixation Pathways |
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| Authors: | ADIVA SHOMER-ILAN Y WAISEL |
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| Institution: | Dept. of Botany, Tel Aviv University, Tel Aviv, Israel |
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| Abstract: | Young leaves of salt-depleted Aeluropus litoralis Parl. plants show CO2 fixation by the C3-carbon fixation pathway. No detectable activity of phosphoenol pyruvate (PEP) carboxylase was found. When A. litoralis plants were exposed to a NaCl solution, the leaves showed a high activity of PEP carboxylase as well as a significant CO2 fixation by the C4-pathway. — Also in Zea mays L. and Chloris gayana Kunth., the presence of NaCl in the medium influences the balance between phosphoenol pyruvate carboxylase and ribulose-1,5-diphosphate carboxylase. |
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