2:40 PM
() Chair's Introduction. (Abstract )

2:50 PM
(S2C-1) Regulation of stomatal movements by nitrogen: Contributions from nitric oxide and nitrate. (Abstract 33)
Nigel Crawford^*,1, Fang-Qing Guo¹, ¹ Division of Biological Sciences, UCSD, San Diego, CA, USA

3:20 PM
(S2C-2) Nitrate assimilation in plant shoots depends on photorespiration. (Abstract 34)
Arnold Bloom^*,1, Shimon Rachmilevitch¹, Asaph Cousins¹, ¹ Dept of Plant Sciences, Davis, CA, USA

3:40 PM
(S2C-3) Characterization and expression analysis of two distinct phosphoenolpyruvate carboxylase (PEPC) [Ppc] isogenes in Chlamydomonas reinhardtii. (Abstract 35)
Tarlan Mamedov¹, Eric Moellering¹, Raymond Chollet^*,1, ¹ Department of Biochemistry, Lincoln, NE, USA

4:00 PM
(S2C-4) Regulation of senescence by aspartic protease: CND41 in tobacco and CND41 homologues in Arabidopsis. (Abstract 36)
Yusuke Kato¹, Naomi Saito¹, Yumiko Yamamoto¹, Fumihiko Sato^*,1, ¹ Grad. Sch. Biostudies, Kyoto University, Kyoto, Japan

4:20 PM
(S2C-5) Structural, mechanistic and spectroscopic studies of spinach nitrite reductase. (Abstract 37)
Masakazu Hirasawa¹, Sofya Kuznetsova², Pierre Setif², Tony Mattioli², Sung-Kun Kim¹, James Allen³, David Knaff^*,1, ¹ Department of Chemistry and Biochemistry, Lubbock, Texas, U.S.A.² Service de Bioenergetique and CNRS URA 2096, Gif-sur-Yvette, France³ Department of Chemistry and Biochemistry, Tempe, Arizona, U.S.A.