In vivo functions of carotenoids in higher plants
| العنوان: | In vivo functions of carotenoids in higher plants |
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| المؤلفون: | Barbara Demmig-Adams, W W Adams rd, A M Gilmore |
| المصدر: | The FASEB Journal. 10:403-412 |
| بيانات النشر: | Wiley, 1996. |
| سنة النشر: | 1996 |
| مصطلحات موضوعية: | chemistry.chemical_classification, Stereochemistry, Antheraxanthin, Photosynthesis, Biochemistry, Zeaxanthin, chemistry.chemical_compound, Light intensity, chemistry, Xanthophyll, Photoprotection, Botany, Genetics, Photosynthetic membrane, Molecular Biology, Carotenoid, Biotechnology |
| الوصف: | The function of the long-chain, highly unsaturated carotenoids of higher plants in photoprotection is becoming increasingly well understood, while at the same time their function in other processes, such as light collection, needs to be reexamined. Recent progress in this area has been fueled by more accurate determinations of the photophysical properties of these molecules, as well as extensive characterization of the physiology and ecology of a particular group of carotenoids, those of the xanthophyll cycle, that play a key role in the photoprotection of photosynthesis under environmental stress. The deepoxidized xanthophylls zeaxanthin and antheraxanthin, together with a low pH within the photosynthetic membrane, facilitate the harmless dissipation of excess excitation energy directly within the light-collecting chlorophyll antennae. Evidence for this function as well as current contrasting hypotheses concerning its molecular mechanism are reviewed. In addition, the acclimation of the xanthophyll cycle content and composition of leaves to contrasting environments with different demands for photoprotection is summarized. |
| تدمد: | 1530-6860 0892-6638 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::7a81bd562eed82e30d60c2588ff23feaTest https://doi.org/10.1096/fasebj.10.4.8647339Test |
| حقوق: | CLOSED |
| رقم الانضمام: | edsair.doi...........7a81bd562eed82e30d60c2588ff23fea |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15306860 08926638 |
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