Expression of genes for plastid membrane proteins in barley under intermittent light conditions |
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| Authors: | Maija Viro Klaus Kloppstech |
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| Institution: | (1) Institut für Botanik, Universität Hannover, Herrenhäuser Strasse 2, D-3000 Hannover 21, Federal Republic of Germany;(2) Present address: Research Laboratories, State Alcohol Monopoly, P.O. Box 350, SF 00101 Helsinki 10 |
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| Abstract: | Barley plants grown under intermittent light show a plastid membrane composition intermediate between those of etioplasts and chloroplasts. In particular protochlorophyll reductase disappears from the membranes whereas the 32000 protein, coded for by chloroplast DNA, becomes integrated into the membranes. The light-harvesting chlorophyll a/b protein does not accumulate within the membranes even after 11 d of development, while the corresponding mRNA can already be observed after 4 d and is translated under in vivo conditions.Abbreviations LHCP
light-harvesting chlorophyll a/b protein
- IL
intermittent light
- LD
light-dark (12-h day)
- EGTA
ethyleneglycol-bis(oxy-ethylenenitrile)tetraacetic acid |
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| Keywords: | Chlorophyll a/b protein Gene expression Hordeum Light and plastid membrane proteins Light-harvesting chlorophyll a/b protein Protochlorophyllide reductase Thylakoid membrane |
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