(P6C-1) Photorespiration and respiration in leaves of various C₃-species under low and high light. (Abstract 660)
Tiit Pärnik^*,, Hiie Ivanova, Olav Keerberg,

(P6C-2) An NADPH dehydrogenase in panicle chloroplasts of Oryza sativa. (Abstract 661)
Hualing Mi^*,1, Ji Yu Ye¹, ¹ National Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai, China

(P6C-3) Oxygen consumption during leaf nitrate assimilation: the role of mitochondrial respiration in the light. (Abstract 662)
Asaph Cousins^*,1, Arnold Bloom¹, ¹ Department of Plant Science, Davis, CA, USA

(P6C-4) Characterization of NAD-dependent malate dehydrogenases from spinach chloroplasts. (Abstract 663)
Tijana Cvetic^*,1, Sonja Veljovic-Jovanovic², Zeljko Vucinic², ¹ Faculty of Biology, Belgrade, Yugoslavia² Center for Multidisciplinary Studies, Belgrade, Yugoslavia

(P6C-5) Functional studies on A. thaliana ferredoxins. (Abstract 664)
Guy Hanke^*,1, Yoshinori Satomi¹, Toshifumi Takao¹, Toshiharu Hase¹, ¹ Institute For Protein Research, Suita, Osaka, Japan

(P6C-7) Investigations into the role of IMMUTANS gene product as an alternative electron sink in Arabidopsis thaliana. (Abstract 666)
Dominic Rosso ^*,1, Alexander Ivanov¹, Steve Rodermel ², Denis Maxwell¹, Norman Huner¹, ¹ Department of Biology, London, Ontario, Canada² Department of Botany, Ames, Iowa, USA

(P6C-8) Degradation and conversion of starch is blocked in photosynthesizing leaves of Arabidopsis thaliana. (Abstract 667)
Olav Keerberg^*,, Hiie Ivanova, Hille Keerberg, Tiit Pärnik,

(P6C-9) Redox and site-directed mutagenesis studies of 5′-adenylylsulfate (APS) reductases. (Abstract 668)
Sung-Kun Kim^*,1, Afroza Rahman², Richard Conovor³, Michael Johnson³, Jeremy Mason¹, Mace Moore¹, David Knaff¹, Thomas Leustek², ¹ Department of Chemistry and Biochemistry and Center for Biotechnology and Genomics, Lubbock, Texas, USA² Biotechnology Center for Agriculture and the Environment and, New Brunswick, New Jersey, USA³ Department of Chemistry and Center for Metalloenzyme Studies, Athens, Georgia, USA

(P6C-10) Functional complementation of a cytochrome c oxidase mutant of Synechocystis sp. PCC 6803. (Abstract 669)
Galyna Kufryk^*,, Wim Vermaas,

(P6C-11) The physiological role of the water-water cycle in C3 plants during the photosynthetic light induction. (Abstract 670)
Amane Makino^*,1, Eriko Sasaki¹, Tadahiko Mae¹, Chikahiro Miyake², ¹ Graduate School of Agricultural Science, Tohoku University, Sendai, Japan² RITE, Kizu, Kyoto, Japan

(P6C-12) Leaf photosynthesis in rice grown under red light or mixture of red and blue light. (Abstract 671)
Ryo Matsuda^*,1, Keiko Ohashi-Kaneko¹, Eiji Goto¹, Kenji Kurata¹, ¹ Department of Biological and Environmental Engineering, Bunkyo-ku, Tokyo, Japan

(P6C-13) Changes in expression of cyanobacterial terminal oxidases (PTOX and cyd bd) during acclimation to high light. (Abstract 672)
Allison McDonald¹, Sasan Amirsadeghi^*,1, Greg Vanlerberghe¹, ¹ Departments of Life Sciences and Botany, Toronto, Ontario, Canada

(P6C-14) Function of ascorbate oxidase and cytochrome b₅₆₁ in drought/high light-tolerant wild watermelon. (Abstract 673)
Yoshihiko Nanasato^*,1, Kinya Akashi¹, Akiho Yokota¹, ¹ Nara Institute of Science and Technology (NAIST), Ikoma-si, Nara, JAPAN

(P6C-15) Respiratory carbon metabolism following illumination in intact French bean leaves. (Abstract 674)
Salvador Nogués^*,1, Guillaume Tcherkez¹, Gabriel Cornic ¹, Jaleh Ghashghaie¹, ¹ Université de Paris XI, Orsay, France

(P6C-16) Growth of rice under conditions of red light or mixed light of red and blue. (Abstract 675)
Keiko Ohashi^*,1, Ryo Matsuda¹, Eiji Goto¹, Kenji Kurata¹, ¹ Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan

(P6C-17) Global induction of glucose catabolism related-genes in Synechocystis during the early stage of photomixotrophic growth. (Abstract 676)
Jee-Youn Ryu^*,1, Sanghyeob Lee², Eunjoo Chung², Ji Young Song¹, Sang-Bong Choi³, Doil Choi², Youn-Il Park¹, ¹ Department of Biology, Daejeon, Korea² Laboratory of Plant Genomics, Daejeon, Korea³

(P6C-18) Cyanobacteria (blue-green algae) viewed as free-living chloromitochondria. (Abstract 677)
Guenter PESCHEK^*,,

(P6C-19) Role of ascorbic acid during the interactions between mitochondrial metabolism, photosynthetic carbon assimilation and photoinhibition. (Abstract 678)
Agepati Raghavendra^*,1, L Padmavathi¹, ¹ University of Hyderabad, Hyderabad, AP, India

(P6C-20) Characterization and expression of potato triosephosphate isomerase isoforms. (Abstract 679)
Sonia Dorion¹, Parveen¹, Julie Jeukens¹, Jean Rivoal^*,1, ¹ IRBV, Montréal, QC, Canada

(P6C-21) Responses of photosynthesis in Vicia faba leaves to respiratory inhibitors. (Abstract 680)
Keisuke Yoshida^*,1, Ko Noguchi¹, Ichiro Terashima¹, ¹ Department of Biology, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho Toyonaka Osaka 560-0043 Japan, Machikaneyama-cho Toyonaka, Osaka, Japan