Hochschulschrift
Characterization of inducible galactolipid biosynthesis mutants in tobacco
Zusammenfassung: Chloroplast membranes have a unique composition characterized by very high contents of the galactolipids, MGDG and DGDG. Many studies on constitutive, galactolipid-deficient mutants revealed conflicting results about potential functions of galactolipids in photosynthetic membranes. Likely, this was caused by pleiotropic effects such as starvation artefacts because of impaired photosynthesis from early developmental stages of the plants onward. Therefore, an ethanol inducible RNAi-approach has been taken to suppress two key enzymes of galactolipid biosynthesis in the chloroplast, MGD1 and DGD1. Plants were allowed to develop fully functional source leaves prior to induction, which then could support plant growth. Then, after the ethanol induction, both young and mature leaves were investigated over time. Our studies revealed similar changes in both MGDG- and DGDG-deficient lines, however young and mature leaves of transgenic lines showed a different response to galactolipid deficiency. While no changes of photosynthetic parameters and…
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Dimensions
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30 cm
- Extent
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116 Blätter
- Language
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Englisch
- Notes
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Illustrationen, Diagramme
Universität Potsdam, Dissertation, 2017
- Classification
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Biowissenschaften, Biologie
- Table of contents
- Rights
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Bei diesem Objekt liegt nur das Inhaltsverzeichnis digital vor. Der Zugriff darauf ist unbeschränkt möglich.
- Last update
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11.06.2025, 2:26 PM CEST
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Object type
- Hochschulschrift
Associated
Time of origin
- 2017
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