Xanthophyll cycle activity in detached barley leaves senescing under dark and light
Tóm tắt
Senescence-induced changes in the xanthophyll cycle activity and chlorophyll (Chl) fluorescence parameters were compared in detached barley (Hordeum vulgare L.) leaf segments kept for 6 d in darkness or under continuous “ white light” (90 μmol m−2 s−1). Before detachment of the leaf segments, the plants were grown at periodic regime [12 h light (90 μmol m−2 s−1)/12 h dark]. The de-epoxidation state of the xanthophyll cycle pigments (DEPS) in the leaf samples was determined immediately (the actual DEPS), after 1 h of dark-adaptation (the residual DEPS), and during 14 min of a high-irradiance (HI) exposure (500 μmol m−2 s−1) (HI-induced DEPS). In the light-senescing segments, senescence was delayed pronouncedly compared to dark-senescing ones as the Chl content, the photosystem 2 photochemistry, and electron transport processes were highly maintained. Further, the actual DEPS increased, probably due to the increased mean photon dose. The HI-induced increase in the DEPS was stimulated in the light-senescing segments, whereas it was slowed down in the dark-senescing ones. However, after the 14 min HI-exposure of the dark-senescing segments the HI-induced DEPS was not markedly lower than in the mature leaves, which indicated the maintenance of the xanthophyll cycle operation.
Tài liệu tham khảo
Afitlhile, M.M., Dent, R.M., Cowan, A.K.: Changes in carotenoid composition in senescing leaves of Hordeum vulgare L. cv. Dyan. — J. Plant Physiol. 142: 43–49, 1993.
Bilger, W., Björkman, O.: Role of the xanthophyll cycle in photoprotection elucidated by measurements of light-induced absorbance changes, fluorescence and photosynthesis in leaves of Hedera canariensis. — Photosynth. Res. 25: 173–185, 1990.
Biswal, B.: Carotenoid catabolism during leaf senescence and its control by light. — J. Photochem. Photobiol. B 30: 3–13, 1995.
Björkman, O., Demmig-Adams, B.: Regulation of photosynthetic light energy capture, conversion, and dissipation in leaves of higher plants. — In: Schulze, E.D., Caldwell, M.M. (ed.): Ecophysiology of Photosynthesis. Pp. 17–47. Springer-Verlag, Berlin — Heidelberg 1995.
Čajánek, M., Hudcová, M., Kalina, J., Lachetová, I., Špunda, V.: Gradual disassembly of photosystem 2 in vivo induced by excess irradiance. A hypothesis based on changes in 77 K fluorescence spectra of chlorophyll a in barley leaves. — Photosynthetica 37: 295–306, 1999.
Camp, P.J., Huber, S.C., Burke, J.J., Moreland, D.E.: Biochemical changes that occur during senescence of wheat leaves. I. Basis for the reduction of photosynthesis. — Plant Physiol. 70: 1641–1646, 1982.
Chang, C.J., Kao, C.H.: H2O2 metabolism during senescence of rice leaves: changes in enzyme activities in light and darkness. — Plant Growth Regul. 25: 11–15, 1998.
Choudhury, N.K., Behera, R.K.: Photoinhibition of photosynthesis: Role of carotenoids in photoprotection of chloroplast constituents. — Photosynthetica 39: 481–488, 2001.
Demmig-Adams, B.: Carotenoids and photoprotection: A role for the xanthophyll zeaxanthin. — Biochim. biophys. Acta 1020: 1–24, 1990.
Demmig-Adams, B., Adams, W.W., III.: Photoprotection and other responses of plants to high light stress. — Annu. Rev. Plant Physiol. Plant mol. Biol. 43: 599–626, 1992.
Demmig-Adams, B., Adams, W.W., III.: The role of xanthophyll cycle carotenoids in the protection of photosynthesis. — Trends Plant Sci. 1: 21–26, 1996.
Färber, A., Jahns, P.: The xanthophyll cycle of higher plants: influence of antenna size and membrane organization. — Biochim. biophys. Acta 1363: 47–58, 1998.
Feekes, W.: De tarwe en haar milieu'. Vers. XVII. — Tarwe Commun. Pp. 560–561. Groningen 1941.
García-Plazaola, J.I., Becerill J.M.: Seasonal changes in photosynthetic pigments and antioxidants in beech (Fagus sylvatica) in a Mediterranean climate: implications for tree decline diagnosis. — Aust. J. Plant Physiol. 28: 225–232, 2001.
Gilmore, A.M., Björkman, O.: Adenine nucleotides and the xanthophyll cycle in leaves. I. Effects of CO −2 and temperature-limited photosynthesis on adenylate energy charge and violaxanthin de-epoxidation. — Planta 192: 526–536, 1994.
Grover, A.: How do senescing leaves lose photosynthetic activity. — Curr. Sci. 64: 226–234, 1993.
Grover, A., Mohanty, P.: Leaf senescence-induced alterations in structure and function of higher plant chloroplasts. — In: Abrol, Y.P., Mohanty, P., Govindjee (ed.): Photosynthesis: Photoreactions to Plant Productivity. Pp. 225–255. Kluwer Academic Publishers, Dordrecht — Boston — London 1993.
Gruszecki, W., Strzalka, K.: Does the xanthophyll cycle take part in the regulation of fluidity of the thylakoid membrane? — Biochim. biophys. Acta 1060: 310–314, 1991.
Gut, H., Matile, P.: Breakdown of galactolipids in senescent barley leaves. — Bot. Acta 102: 31–36, 1989.
Havaux, M., Bonfils, J.-P., Lütz, C., Niyogi, K.K.: Photodamage of the photosynthetic apparatus and its dependence on the leaf developmental stage in the npq1 Arabidopsis mutant deficient in the xanthophyll cycle enzyme violaxanthin de-epoxidase. — Plant Physiol. 124: 273–284, 2000.
Hidema, J., Makino, A., Kurita, Y., Mae, T., Ojima, K.: Changes in the levels of chlorophyll and light-harvesting chlorophyll a/b protein of PS II in rice leaves aged under different irradiances from full expansion through senescence. — Plant Cell Physiol. 33: 1209–1214, 1992.
Horton, P., Ruban, A.V., Walters, R.G.: Regulation of light harvesting in green plants. — Annu. Rev. Plant Physiol. Plant mol. Biol. 47: 655–684, 1996.
Jiao, D., Ji, B., Li, X.: Characteristics of chlorophyll fluorescence and membrane-lipid peroxidation during senescence of flag leaf in different cultivars of rice. — Photosynthetica 41: 33–41, 2003.
Kar, M., Streb, P., Hertwig, B., Feierabend, J.: Sensitivity to photodamage increases during senescence in excised leaves. — J. Plant Physiol. 141: 538–544, 1993.
Klerk, H., Rebers, M., van Loon, L.C.: Effects of light and regulators on senescence-related changes in soluble proteins in detached oat (Avena sativa L.) leaves. — Plant Growth Regul. 13: 137–145, 1993.
Kurasová, I., Čajánek, M., Kalina, J., Urban, O., Špunda, V.: Characterization of acclimation of Hordeum vulgare to high irradiation based on different responses of photosynthetic activity and pigment composition. — Photosynth. Res. 72: 71–83, 2002.
Latowski, D., Kruk, J., Burda, K., Skrzynecka-Jaskier, M., Kostecka-Gugala, A., Strzalka, K.: Kinetics of violaxanthin de-epoxidation by violaxanthin de-epoxidase, a xanthophyll cycle enzyme, is regulated by membrane fluidity in model lipid bilayers. — Eur. J. Biochem. 269: 4656–4665, 2002.
Lazár, D., Nauš, J.: Statistical properties of chlorophyll fluorescence induction parameters. — Photosynthetica 35: 121–127, 1998.
Lichtenthaler, H.K.: Chlorophylls and carotenoids — pigments of photosynthetic biomembranes. — In: Colowick, S.P., Kaplan, N.O. (ed.): Methods in Enzymology. Vol. 148. Pp. 350–382. Academic Press, San Diego — New York — Berkeley — Boston — London — Sydney — Tokyo — Toronto 1987.
Lu, C.M., Lu, Q.T., Zhang, J.H., Kuang, T.Y.: Characterization of photosynthetic pigment composition, photosystem II photochemistry and thermal energy dissipation during leaf senescence of wheat plants in the field. — J. exp. Bot. 52: 1805–1810, 2001a.
Lu, C.M., Lu, Q.T., Zhang, J.H., Zhang, Q., Kuang, T.Y.: Xanthophyll cycle, light energy dissipation and photosystem II down-regulation in senescent leaves of wheat plants grown in the field. — Aust. J. Plant Physiol. 28: 1023–1030, 2001b.
Lu, C.M., Zhang, J.H.: Changes in photosystem II function during senescence of wheat leaves. — Physiol. Plant. 104: 239–247, 1998a.
Lu, C.M., Zhang, J.H.: Modifications in photosystem II photochemistry in senescent leaves of maize plants. — J. exp. Bot. 49: 1671–1679, 1998b.
Lu, Q.T, Wen, X.G., Lu, C.M., Zhang, Q.D., Kuang, T.Y.: Photoinhibition and photoprotection in senescent leaves of field-grown wheat plants. — Plant Physiol. Biochem. 41: 749–754, 2003.
Matile, P.: Senescence and cell death in plant development: Chloroplast senescence and its regulation. — In: Aro, E.-M., Andersson, B. (ed.): Regulation of Photosynthesis. Pp. 277–296. Kluwer Academic Publishers, Dordrecht — Boston — London 2001.
Meir, S., Philosoph-Hadas, S.: Metabolism of polar lipids during senescence of watercress leaves. — Plant Physiol. Biochem. 33: 241–249, 1995.
Munné-Bosch, S., Allegre, L.: Plant aging increases oxidative stress in chloroplasts. — Planta 214: 608–615, 2002.
Murchie, E.H., Chen, Y.-Z., Hubbart, S., Peng, S., Horton, P.: Interactions between senescence and leaf orientation determine in situ patterns of photosynthesis and photoinhibition in field-grown rice. — Plant Physiol. 119: 553–563, 1999.
Pospíšil, P.: Mechanisms of non-photochemical chlorophyll fluorescence quenching in higher plants. — Photosynthetica 34: 343–355, 1997.
Šesták, Z. (ed.): Photosynthesis During Leaf Development. — Academia, Praha; Dr W Junk Publishers, Dordrecht — Boston — Lancaster 1985.
Smart, C.M.: Gene expression during leaf senescence. — New Phytol. 126: 419–448, 1994.
Špunda, V., Kalina, J., Marek, M.V., Nauš, J.: Regulation of photochemical efficiency of photosystem 2 in Norway spruce at the beginning of winter and in the following spring. — Photosynthetica 33: 91–102, 1997.
Špundová, M., Popelková, H., Ilík, P., Skotnica, J., Novotný, R., Nauš, J.: Ultra-structural and functional changes in the chloroplasts of detached barley leaves senescing under dark and light conditions. — J. Plant Physiol. 160: 1051–1058, 2003.
Strzalka, K., Gruszecki, W.I.: Modulation of thylakoid membrane fluidity by exogenously added carotenoids. — J. Biochem. mol. Biol. Biophys. 1: 103–108, 1997.
Tardy, F., Havaux, M.: Thylakoid membrane fluidity and thermostability during the operation of the xanthophyll cycle in higher-plant chloroplasts. — Biochim. biophys. Acta 1330: 179–193, 1997.
Thimann, K.V., Tetley, R.M., Krivak, B.M.: Metabolism of oat leaves during senescence. V. Senescence in light. — Plant Physiol. 59: 448–454, 1977.
van Kooten, O., Snell, J.F.H.: The use of chlorophyll fluorescence nomenclature in plant stress physiology. — Photosynth. Res. 25: 147–150, 1990.
Wanner, L., Keller, F., Matile, P.: Metabolism of radiolabelled galactolipids in senescent barley leaves. — Plant Sci. 78: 199–206, 1991.
Yang, C.W., Chen, Y.Z., Peng, CL., Jun, D., Lin, G.Z.: Daily changes in components of xanthophyll cycle and antioxidant systems in leaves of rice at different developing stage. — Acta Physiol. Plant. 23: 391–398, 2001.