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Herbicide/Quinone Binding Interactions in Photosystem II Wim F. J. Vermaas *’ **, G ernot Renger *, and C harles J. A rntzen ** * Max-Volmer-Institut für biophysikalische und physikalische Chem ie, Technische Universität Berlin, Sekr. PC 14, Straße des 17. Juni 135, D-1000 Berlin 12, Germany ** M SU/DOE Plant Research Laboratory, M ichigan State University, East Lansing, MI 48824, USA Z. Naturforsch. 39 c, 3 6 8 -3 7 3 (1984); received Decem ber 1, 1983 Herbicide, Photosystem II, Plastoquinone, Photosynthesis, Allosteric interaction Many inhibitors prevent the

Herbicide and Plastoquinone Binding to Photosystem II Walter Oettmeier, Hans-Joachim Soil, and Eva N eum ann Lehrstuhl Biochemie der Pflanzen, Ruhr-Universität, Postfach 10 21 48, D-4630 Bochum 1, Bundesrepublik Deutschland Z. Naturforsch. 39 c, 393 —396 (1984); received Novem ber 30, 1983 Photoaffinity Label, Plastoquinone Depletion, Photosystem II Particles, Chlamydomonas In plastoquinone-depleted thylakoids “D C M U -type” herbicides generally have a lower binding affinity as compared to control thylakoids, with the exception o f DC M U itself. Contrary

Photosystem II Inhibition by Pyran-enamine Derivatives Koichi Yoneyama, Yoshihiro Nakajima, Masaru Ogasawara, Hitoshi Kuramochi, and Makoto Konnai Weed Science Center, Utsunomiya University, 350 Mine-machi, Utsunomiya 321, Japan Hajime Iwamura and Fumihiko Sato Department o f Agricultural Chemistry, Faculty o f Agriculture, Kyoto University, Kitashirakawa-Oiwake-cho, Kyoto 606, Japan Katsunori Ichinose, Tadao Asami, Nobutaka Takahashi, and Shigeo Yoshida The Institute o f Physical and Chemical Research (RIKEN), Wako-shi, Saitama 351-01, Japan Z. Naturforsch

Phloroglucinol Derivatives as Potent Photosystem II Inhibitors Koichi Yoneyama and M akoto Konnai Weed C ontrol Research Institute, U tsunom iya University, 350 M ine-m achi, U tsunom iya 321, Japan Ichiro Honda Life Science Research Lab., Japan T obacco Inc., M idori-ku, Y okoham a 227, Japan Shigeo Yoshida, Nobutaka Takahashi, Hiroyuki Koike*, and Yorinao Inoue* Chemical Regulation o f Biomechanism Lab. and * Solar Energy Research G roup, The Institu te o f Physical and Chemical Research (R IK E N ), W ako-shi, Saitam a 351-01, Japan Z. N aturforsch. 45c

880 Notizen Thioacylamide und Thioacylharnstoffderivate als Inhibitoren des Photosystem II Thioacylamides and Thioacylureas as Inhibitors of Photosystem II Hainfried E. A. Schenk und Jürgen Hanf Institut für Chemische Pflanzenphysiologie, Tübingen (Z. Naturforsch. 32 c, 880 — 883 [1977] ; eingegangen am 2. M ai/1 . August 1977) Pisum sativum, Thioacylamides, Thioacylureas, Inhibitors of Photosystem II, Hill Reactions Thioacylureas and thioacylamides were found to inhibit photosynthetic 0 2-evolution (Hill-reactions) of “broken chloroplasts” , some

Kinetics of Action of Different Photosystem II Herbicides on Thylakoids Jean-M arc Ducruet, Sophie Creuzet, and Josiane Viénot* C E A /IN R A Saclay, Division de Biologie, 91191 G if-sur Yvette * L aborato ire des Herbicides. IN R A , BV 1540, 21034 D ijon, France Z. N aturforsch. 45c, 348-352 (1990); received N ovem ber 8, 1989 Photosystem II Inhibitors, Binding, Fluorescence. A ction Kinetics The kinetics o f inhibition o f photosystem II electron transfer by different diuron-like herbi­ cides (ureas, triazines, triazinones. biscarbam ates, uraciles) were

Which Polypeptides Are Characteristic for Photosystem II? Analysis of Active Photosystem II Particles from the Blue-Green Alga Anacystis nidulans * Friederike Koenig and Leo P. Vernon Brigham Young University, Research Division, Provo, Utah, USA Z. Naturforsch. 36 c, 295-304 (1981); received January 7, 1981 Dedicated to Prof. Dr. W. Menke on the Occasion of His 70th Birthday Photosystem II, Active Particles, Polypeptides, Thylakoid Membrane, Anacystis A thylakoid membrane preparation isolated from the blue-green alga Anacystis nidulans was freed from

On the Requirement of Bound Bicarbonate for Photosystem II Activity Govindjee3 *, C. Xub and J. J. S. van Rensenc a On sabbatical from Department of Plant Biology and Center of Biophysics and Computa­ tional Biology. University of Illinois, Urbana.lL 61801. USA. b Institute of Plant Physiology Chinese Academy of Sciences. Shanghai. 200032-China c Department of Plant Physiology, Wageningen Agricultural University, Wageningen. 6703 BD-the Netherlands Z. Naturforsch. 52C, 24-32 (1997); received August 14/October 7, 1996 Bicarbonate Effect, Electron Transport

Photosystem II Heterogeneity and Long-Term Acclimation of Light-Harvesting Pirkko Mäenpää* and Bertil Andersson Department of Biochemistry. Arrhenius Laboratories. University of Stockholm. S-10691 Stockholm. Sweden Z. Naturforsch. 44c, 403—406 (1989); received January 11, 1989 Dedicated to Professor Achim Trebst on the occasion o f his 60th birthday Light-Harvesting Chlorophyll tf/b-Proteins. Photosystem II. Thylakoid Membrane Organization. Antenna Size Acclim ation, Subfractionation The main chlorophyll alb protein complex of the chloroplast thylakoid

Inhibition and Photoaffinity Labeling of Photosystem II by Thiazolyliden-ketonitriles U . B iihm ann, E . C. H errm ann, and C. K ötter Pflanzenschutzforschung, Schering A G , Postfach 6 5 0 3 1 1 , D -1000 Berlin 65 , B undesrepublik D eutsch land A . T rebst, B . D ep k a , and H . W ietoska Lehrstuhl für B io ch em ie der P flanzen . R uhr-U niversität B ochum . Postfach 1 0 2 1 4 8 . D -4630 B ochum 1, B undesrepublik D eutschland Z . N aturforsch. 42c, 7 0 4 —712 (1987); received February 13, 1987 H erb icides, P hotoaffin ity L abel, P hotosystem