Consequences of iron deficiency on photosynthetic and respiratory electron transport in blue-green algae |
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Authors: | Gerhard Sandmann |
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Affiliation: | (1) Lehrstuhl für Physiologie und Biochemie der Pflanzen, Universität Konstanz, D-7750 Konstanz, Germany (FRG) |
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Abstract: | Growth of Aphanocapsa in low iron media resulted in a decrease of the endogenous iron pool. Below a critical concentration photosynthetic electron transfer was specifically depressed. This was caused by a strong inhibition of the synthesis of cytochromes b-559 of PSII, cytochromes b-563, f-557, and the Rieske Fe-S center of the cytochrome complex and especially the Fe-S centers of PSI. The influence of iron limitation on respiration and chlorphyll formation was negligible.Paper presented at the FESPP meeting (Strasbourg, 1984) |
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Keywords: | Aphanocapsa blue-green algae iron-deficiency photosynthesis respiration |
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