caa a22 4500 44589010X CHVBK 20180317145613.0 cr unu---uuuuu 170323e20110501xx s 000 0 eng 10.1007/s11120-011-9644-2 doi (NATIONALLICENCE)springer-10.1007/s11120-011-9644-2 Desiccation of the resurrection plant Haberlea rhodopensis at high temperature [Elektronische Daten] [Gergana Mihailova, Snejana Petkova, Claudia Büchel, Katya Georgieva] Haberlea rhodopensis plants, growing under low irradiance in their natural habitat, were desiccated to air-dry state at a similar light intensity (about 30μmolm−2s−1) under optimal (23/20°C, day/night) or high (38/30°C) temperature. Dehydration of plants at high temperature increased the rate of water loss threefold and had a more detrimental effect than either drought or high temperature alone. Water deficit decreased the photochemical activity of PSII and PSI and the rate of photosynthetic oxygen evolution, and these effects were stronger when desiccation was carried out at 38°C. Some reduction in the amount of the main PSI and PSII proteins was observed especially in severely desiccated Haberlea leaves. The results clearly showed that desiccation of the homoiochlorophyllous poikilohydric plant Haberlea rhodopensis at high temperature had more damaging effects than desiccation at optimal temperature and in addition recovery was slower. Increased thermal energy dissipation together with higher proline and carotenoid content in the course of desiccation at 38°C compared to desiccation at 23°C probably helped in overcoming the stress. Springer Science+Business Media B.V., 2011 Chlorophyll fluorescence nationallicence Desiccation-tolerant plant nationallicence Photosynthesis nationallicence Thylakoid membrane proteins nationallicence PSII : Photosystem II nationallicence PSI : Photosystem I nationallicence MDA : Malondialdehyde nationallicence RWC : Relative water content nationallicence Chl : Chlorophyll nationallicence F v/ F m : Maximal quantum efficiency of photosystem II in the dark adapted state nationallicence ΦPSII : Quantum yield of PSII electron transport in the light-adapted state nationallicence LNU : Proportion of light not used for photochemistry nationallicence Mihailova Gergana Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut Petkova Snejana Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut Büchel Claudia Institute of Molecular Biosiences, University of Frankfurt, Siesmayerstrasse 70, 60323, Frankfurt, Germany aut Georgieva Katya Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut Photosynthesis Research Springer Netherlands 108/1(2011-05-01), 5-13 0166-8595 108:1<5 2011 108 11120 https://doi.org/10.1007/s11120-011-9644-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11120-011-9644-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Mihailova Gergana Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut NATIONALLICENCE 700 1- Petkova Snejana Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut NATIONALLICENCE 700 1- Büchel Claudia Institute of Molecular Biosiences, University of Frankfurt, Siesmayerstrasse 70, 60323, Frankfurt, Germany aut NATIONALLICENCE 700 1- Georgieva Katya Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria aut NATIONALLICENCE 773 0- Photosynthesis Research Springer Netherlands 108/1(2011-05-01), 5-13 0166-8595 108:1<5 2011 108 11120 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer