Dr Richard Thomas Sayre

520 Aronoff Laboratory
318 W Twelfth Ave
Columbus, OH 43210

Phone: (614) 292-9030

Email: sayre.2@osu.edu

Current OSU Appointment

Professor, Biochemistry Administration

Books and Monographs

1987. Transbilayer Organization Of Photosystem Ii Proteins With Special Emphasis On The 32-kda Q-b-binding Protein.

Honors

2006 - 2007

Fulbright Scholar Award. Institute of International Education, New York, NY, United States.

Outreach

Plant Biology Electronic Resources for Educators
Project Dates: - present
Description: List of online resources related to plant biology that are useful for educators. The resources include, a plant dictionary, plant biology experiments, and botanical images for instructional use.

Website: http://www.biosci.ohio-state.edu/~plantbio/Text_only/links-2textonly.htm#anchoreducators

Peer Reviewed Journal Articles

SAYRE R, T; HOMANN P H. 1979. A Light Dependent Oxygen Consumption Induced By Photosystem Ii Of Isolated Chloroplasts. Archives of Biochemistry and Biophysics. Vol. 196, no. 2: 525-533.

SAYRE R, T; HOMANN P H. 1979. Correlation Between Photo Respiratory Activity And Hydrogenase Content In Chlorella Strains. Plant Physiology (Rockville). Vol. 63, no. 5 SUPPL: 153.

SAYRE R, T; KENNEDY R, A; PRINGNITZ D J. 1979. Photosynthetic Enzyme Activities And Localization In Mollugo-verticillata Populations Differing In The Levels Of 3 Carbon And 4 Carbon Cycle Operation. Plant Physiology (Rockville). Vol. 64, no. 2: 293-299.

THEG S, M; SAYRE R T. 1979. Characterization Of Chloroplast Manganese By Epr Spectroscopy. Plant Science Letters. Vol. 16, no. 2-3: 319-326.

THEG S, M; SAYRE R, T; HOMANN P H. 1979. Diversion Of Oxidizing Charges Accumulated In Photosystem Ii Of Chloroplasts. Biophysical Journal. Vol. 25, no. 2 PART 2: 50.

SAYRE R, T; CHENIAE G M. 1982. Studies On The Reconstitution Of Oxygen Evolution Of Chloroplasts. Plant Physiology (Rockville). Vol. 69, no. 5: 1084-1095.

SAYRE R, T; ANDERSSON, B; BOGORAD L. 1986. The Topology Of A Membrane Protein The Orientation Of The 32 Kilodalton Qb-binding Chloroplast Thylakoid Membrane Protein. Cell. Vol. 47, no. 4: 601-608.

STEINMETZ A, A; CASTROVIEJO, M; SAYRE R, T; BOGORAD L. 1986. Protein Ps-ii-g An Additional Component Of Photosystem Ii Identified Through Its Plastid Gene In Maize. Journal of Biological Chemistry. Vol. 261, no. 6: 2485-2488.

ANDERSSON, B; SAYRE R, T; BOGORAD L. 1987. Transbilayer Organization Of Photosystem Ii Proteins With Special Emphasis On The 32-kda Q-b-binding Protein. Chemica Scripta. Vol. 27B: 195-200.

SHEEN J-Y; SAYRE R, T; BOGORAD L. 1987. Differential Expression Of Oxygen-evolving Polypeptide Genes In Maize Leaf Cell Types. Plant Molecular Biology. Vol. 9, no. 3: 217-226.

MEI, R; GREEN J, P; SAYRE R, T; FRASCH W D. 1989. Manganese-binding Proteins Of The Oxygen-evolving Complex. Biochemistry. Vol. 28, no. 13: 5560-5567.

STEINMUELLER, K; LEY A, C; STEINMETZ A, A; SAYRE R, T; BOGORAD L. 1989. Characterization Of The Ndhc-psbg-orf157-159 Operon Of Maize Plastid Dna And Of The Cyanobacterium Synechocystis-sp Pcc6803. Molecular and General Genetics. Vol. 216, no. 1: 60-69.

MKPONG O, E; YAN, H; CHISM, G; SAYRE R T. 1990. Purification Characterization And Localization Of Linamarase In Cassava. Plant Physiology (Rockville). Vol. 93, no. 1: 176-181.

ROFFEY R, A; GOLBECK J, H; HILLE C, R; SAYRE R T. 1991. Photosynthetic Electron Transport In Genetically Altered Photosystem Ii Reaction Centers Of Chloroplasts. Proceedings of the National Academy of Sciences of the United States of America. Vol. 88, no. 20: 9122-9126.

ROFFEY R, A; SAYRE R T. 1991. Photosystem Ii Electron Transfer Processes In Genetically Altered Chloroplasts. Plant Physiology (Rockville). Vol. 96, no. 1 SUPPL: 115.

ARIAS D, I; SAYRE R T. 1992. Correlation Between The Frequency Of Transient Gene Expression And Dnase Activity In Cassava Manihot-esculenta Tissues. Plant Physiology (Rockville). Vol. 99, no. 1 SUPPL: 89.

KETCHNER S, L; SAYRE R T. 1992. Characterization Of The Expression Of The Photosystem Ii Oxygen Evolving Complex In C-4 Species Of Flaveria. Plant Physiology (Rockville). Vol. 98, no. 3: 1154-1162.

MCMAHON J, M; SAYRE R T. 1992. Characterization Of The Synthesis And Transport Of Cyanogenic Glycosides In High And Low Cyanide Cultivars Of Cassava Manihot-esculenta. Plant Physiology (Rockville). Vol. 99, no. 1 SUPPL: 74.

Arias-Garzon, Diana I.; Sayre, Richard T. 1993. Tissue specific inhibition of transient gene expression in cassava (manihot esculenta Crantz). Plant Science (Limerick). Vol. 93, no. 1-2: 121-130.

Hutchison, Ronald S.; Sayre, Richard T. 1993. Site-specific mutagenesis of the photosystem Ii complex in Chlamydomonas reinhardtii. Plant Physiology (Rockville). Vol. 102, no. 1 SUPPL.: 145.

McMahon, Jennifer M.; Sayre, Richard T. 1993. Linamarin synthesis in protoplasts of cassava (manihot esculenta Crantz). Plant Physiology (Rockville). Vol. 102, no. 1 SUPPL.: 49.

White, Wanda L. B.; Sayre, Richard T. 1993. Partial purification of hydroxynitrile lyase from cassava and the spontaneous decomposition of its substrate acetone cyanohydrin. Plant Physiology (Rockville). Vol. 102, no. 1 SUPPL.: 38.

Kramer, David M.; Roffey, Robin A.; Govindjee; Sayre, Richard T. 1994. The A-t thermoluminescence band from Chlamydomonas reinhardtii and the effects of mutagenesis of histidine residues on the donor side of the Photosystem Ii D1 polypeptide. Biochimica et Biophysica Acta. Vol. 1185, no. 2: 228-237.

Roffey, Robin A.; Kramer, David M.; Govindjee; Sayre, Richard T. 1994. Lumenal side histidine mutations in the D1 protein of Photosystem Ii affect donor side electron transfer in Chlamydomonas reinhardtii. Biochimica et Biophysica Acta. Vol. 1185, no. 3: 257-270.

Roffey, Robin A.; Van Wijk, Klaas J.; Sayre, Richard T.; Styring, Stenbjorn. 1994. Spectroscopic Characterization of Tyrosine-z in Histidine 190 Mutants of the D1 Protein in Photosystem Ii (psii) in Chlamydomonas reinhardtii: Implications for the Structural Model of the Donor Side of Psii. Journal of Biological Chemistry. Vol. 269, no. 7: 5115-5121.

Sayre, R. T. 1994. Electron transfer processes in genetically altered photosystem Ii complexes of chloroplasts. Photochemistry and Photobiology. Vol. 59, no. SPEC. ISSUE: 82S.

Sayre, Richard T.; Wrobel-Boerner, Elizabeth A. 1994. Molecular topology of the photosystem Ii chlorophyll a binding protein, Cp 43: Topology of a thylakoid membrane protein. Photosynthesis Research. Vol. 40, no. 1: 11-19.

White, Wanda L. B.; Sayre, R. T. 1994. Purification, localization, and characterization of cassava hydroxynitrile lyase. Plant Physiology (Rockville). Vol. 105, no. 1 SUPPL.: 127.

Arias-Garzon, Diana I.; Gelvin, Stanton; Sayre, Richard T. 1995. Optimization of transient transformation in cassava (manihot esculenta, Crantz). Plant Physiology (Rockville). Vol. 108, no. 2 SUPPL.: 152.

Cai, Xiao Hua; Traina, Samuel J.; Logan, Terry J.; Gustafson, Terry; Sayre, Richard T. 1995. Applications of eukaryotic algae for the removal of heavy metals from water. Molecular Marine Biology and Biotechnology. Vol. 4, no. 4: 338-344.

McMahon, Jennifer M.; White, Wanda L. B.; Sayre, Richard T. 1995. Cyanogenesis in cassava (manihot esculenta Crantz). Journal of Experimental Botany. Vol. 46, no. 288: 731-741.

Hutchison, Roanld S.; Xiong, Jin; Sayre, Richard T.; Govindjee. 1996. Construction and characterization of a photosystem Ii D1 mutant (arginine-269-glycine) of Chlamydomonas reinhardtii. Biochimica et Biophysica Acta. Vol. 1277, no. 1-2: 83-92.

Ihemere, Uzoma E.; Arias-Garzon, Diana I.; Sayre, Richard T. 1996. Somatic embryogenesis and regeneration of recalcitrant cassava varieties from Africa. Plant Physiology (Rockville). Vol. 111, no. 2 SUPPL.: 165.

Makova, Svetlana Z.; Sayre, Richard T. 1996. Site-directed mutagenesis of a D1 chlorophyll special pair ligand in Chlamydomonas reinhardtii. Plant Physiology (Rockville). Vol. 111, no. 2 SUPPL.: 92.

McMahon, Jennifer M.; Sayre, Richard T. 1996. Partial characterization of the linamarin-synthesizing enzyme complex in cassava (manihot esculenta Crantz). Plant Physiology (Rockville). Vol. 111, no. 2 SUPPL.: 38.

Ruffle, Stuart; Makova, Svetlana; Hutchison, Ronald; Roffey, Robin; Sayre, Richard T. 1996. Comparative sensitivity to photoinhibition of site-directed mutants of the photosystem Ii D1 and D2 proteins in Chlamydomonas reinhardtii. Plant Physiology (Rockville). Vol. 111, no. 2 SUPPL.: 92.

White, Wanda L. B.; Sayre, Richard T. 1996. Cloning of the hydroxynitrile lyase gene from cassava and its expression in different organs. Plant Physiology (Rockville). Vol. 111, no. 2 SUPPL.: 127.

Arias-Garzon, Diana I.; White, Wanda L.; Sayre, Richard T. 1997. Overexpression of Hnl in cassava plants. Plant Physiology (Rockville). Vol. 114, no. 3 SUPPL.: 296.

Green, Brian J.; Manhart, James R.; Ruffle, Stuart V.; Sayre, Richard T.; Rumpho, Mary E. 1997. Autonomy of chloroplasts symbiotically associated with a marine mollusk. Plant Physiology (Rockville). Vol. 114, no. 3 SUPPL.: 214.

Xiong, Jin; Hutchinson, Ronald S.; Sayre, Richard T.; Govindjee. 1997. Modification of the photosystem Ii acceptor side function in a D1 mutant (arginine-269-glycine) of Chlamydomonas reinhardti. Biochimica et Biophysica Acta. Vol. 1322, no. 1: 60-76.

Mamedov, Fikret; Sayre, Richard T.; Styring, Stenbjorn. 1998. Involvement of histidine 190 on the D1 protein in electron/proton transfer reactions on the donor side of photosystem Ii. Biochemistry. Vol. 37, no. 40: 14245-14256.

White, Wanda L. B.; Arias-Garzon, Diana I.; McMahon, Jennifer M.; Sayre, Richard T. 1998. Cyanogenesis in Cassava: The role of hydroxynitrile lyase in root cyanide production. Plant Physiology (Rockville). Vol. 116, no. 4: 1219-1225.

Dorlet, Pierre; Xiong, Ling; Sayre, Richard T.; Un, Sun. 2001. High field Epr study of the pheophytin anion radical in wild type and D1-e130 mutants of photosystem Ii in Chlamydomonas reinhardtii. Journal of Biological Chemistry. Vol. 276, no. 25: 22313-22316.

Frasch, Wayne D.; Sayre, Richard T. 2001. Remembering George Cheniae, who never compromised his high standards of science. Photosynthesis Research. Vol. 70, no. 3: 245-247.

Harty, M. J.; Sayre, R. T.; Minagawa, J.; Hutchison, R. S. 2001. Difference Ft-ir of Chlamydomonas reinhardtii photosystem Ii in the presence and absence of the manganese stabilizing protein. Photosynthesis Research. Vol. 69, no. 1-3: 126.

Ruffle, Stuart V.; Wang, Jun; Johnston, Heather G.; Gustafson, Terry L.; Hutchison, Ronald S.; Minagawa, Jun; Crofts, Anthony; Sayre, Richard T. 2001. Photosystem Ii peripheral accessory chlorophyll mutants in Chlamydomonas reinhardtii. Biochemical characterization and sensitivity to photo-inhibition. Plant Physiology (Rockville). Vol. 127, no. 2: 633-644.

Siripornadulsil, S.; Rubinelli, P.; Ewalt, J.; Verma, D. P.; Sayre, R. T. 2001. Enhancement of the heavy metal binding capacity and tolerance of algae through expression of foreign genes. Phytopathology. Vol. 91, no. 6 Supplement: S157.

Rubinelli, Peter; Siripornadulsil, Surasak; Gao-Rubinelli, Fei; Sayre, Richard T. 2002. Cadmium- and iron-stress-inducible gene expression in the green alga Chlamydomonas reinhardtii: Evidence for H43 protein function in iron assimilation. Planta (Berlin). Vol. 215, no. 1: 1-13.

Siripornadulsil, Surasak; Traina, Samuel; Verma, Desh Pal S.; Sayre, Richard T. 2002. Molecular mechanisms of proline-mediated tolerance to toxic heavy metals in transgenic microalgae. Plant Cell. Vol. 14, no. 11: 2837-2847.

Siritunga, Dimuth; Sayre, Richard T. 2002. Down-regulation of cytochrome P450-valine genes to obtain acyanogenic cassava (manihot esculenta). In Vitro Cellular and Developmental Biology Animal. Vol. 38, no. Abstract: 101.A.

Wang, Jun; Gosztola, David; Ruffle, Stuart V.; Hemann, Craig; Seibert, Michael; Wasielewski, Michael R.; Hille, Russ; Gustafson, Terry L.; Sayre, Richard T. 2002. Functional asymmetry of photosystem Ii D1 and D2 peripheral chlorophyll mutants of Chlamydomonas reinhardtii. Proceedings of the National Academy of Sciences of the United States of America. Vol. 99, no. 6: 4091-4096.

Siritunga, Dimuth; Sayre, Richard T. 2003. Generation of cyanogen-free transgenic cassava. Planta (Berlin). Vol. 217, no. 3: 367-373.

Sayre, Richard T.; Hippler, Michael. 2004. Special issue: Molecular genomics of the Chlamydomonas chloroplast - Introduction. Photosynthesis Research. Vol. 82, no. 3: 201-202.

Teplitski, Max; Chen, Hancai; Rajamani, Sathish; Gao, Mengsheng; Merighi, Massimo; Sayre, Richard T.; Robinson, Jayne B.; Rolfe, Barry G.; Bauer, Wolfgang D. 2004. Chlamydomonas reinhardtii secretes compounds that mimic bacterial signals and interfere with quorum sensing regulation in bacteria. Plant Physiology (Rockville). Vol. 134, no. 1: 137-146.