Recent Publications

x Arabidopsis CCA1 protein

x Arabidopsis Lhcb (CAB) Gene Expression and signal transduction analyses

x Review Articles

x Lemna NPR Gene Expression and Abscisic Acid Regulation

x Lemna Lhcb Gene Expression

Arabidopsis CCA1 protein

Sugano, S., Andronis, C., Ong, M.S., Green, R.M., and Tobin, E.M. (1999) The protein kinase CK2 is involved in regulation of circadian rhythms in Arabidopsis Proc. Natl. Acad. Sci. USA 96: 12362-12366

Green, R. and Tobin , E.M. (1999) Loss of the circadian clock-associated protein 1 in Arabidopsis results in altered clock-regulating gene expression. Proc. Natl. Acad. Sci. USA 96: 4176-4179

Sugano, S., Andronis, C., Green, R.M., Wang, Z.-Y. and Tobin, E.M. (1998) Protein kinase CK2 interacts with and phosphorylates the Arabidopsiscircadian clock-associated 1 protein. Proc. Natl. Acad. Sci. USA 95: 11020-11025

Wang, Z.-Y. and Tobin, E.M. (1998) Constitutive expression of the CIRCADIAN CLOCK ASSOCIATED 1 (CCA1) gene disrupts circadian rhythms and suppresses its own expression. Cell 93: 1207-1217

Wang, Z.-Y., Kenigsbuch, D., Sun, L., Harel, E., Ong, M.S., and Tobin, E.M. (1997) A myb-related transcription factor is involved in the phytochrome regulation of an Arabidopsis Lhcb Gene. Plant Cell. 9:491-507

Arabidopsis Lhcb (CAB) Gene Expression and signal transduction analyses

Kenigsbuch, D. and Tobin, E.M. (1995) A region of the Arabidopsis Lhcb1*3promoter that binds to CA-1 is essential for phytochrome regulation.Plant Physiol. 108:1023-1027.

Heimer, Y., Brusslan, J.A., Kenigsbuch, D., and Tobin, E.M. (1995) The chimeric Lhcb::nia gene: an inducible counter selection system for mutants in the phytochrome signal transduction pathway. Plant Mol. Biol. 27:129-136.

Brusslan, J.A., Karlin-Neumann, G.A., Huang, L., and Tobin, E.M. (1993) An Arabidopsis mutant with a reduced level of cab140 RNA is a result of co-suppression. Plant Cell 5:667- 677.

Sun, L., Doxsee, R.A., Harel, E. and Tobin, E.M. (1993) CA-1, a novel phosphoprotein, interacts with the promoter of the cab140 gene in Arabidopsisand is undetectable in the det1 mutant. Plant Cell 5, 109-121.

Brusslan, J.A. and Tobin, E.M. (1992) Light-independent developmental regulation of cab gene expression in Arabidopsis thaliana seedlings. Proc. Natl. Acad. Sci. U.S.A. 89:7791-7795.

Karlin-Neumann, G.A., Brusslan, J. and Tobin, E.M. (1991) Phytochrome control of the tms2 gene in transgenic Arabidopsis: a strategy for selecting mutants in the signal transduction pathway. Plant Cell 3, 573-582.

Sun, L. and Tobin, E.M. (1990) Phytochrome-regulated expression of genes encoding light-harvesting chlorophyll a/b-protein in two long hypocotyl mutants and wild type plants of Arabidopsis thaliana. Phytochem. Photobiol. 52: 51-56.

Review Articles

Tobin, E.M. (1997) Renewing an old view of chloroplasts. Trends Plant Sci. 2: 405-406.

Tobin, E.M., Degenhardt, J., Harel, E., Kenigsbuch, D., Ong, M.S., Sugano, S., Sun, L., Wang, Z.-Y., and Weatherwax, S.C. (1996) Phytochrome-regulated Lhcb promoters. In: Briggs, W.R., Heath, R.L., and Tobin, E.M., eds. Regulation of Plant Growth and Development by Light (American Society of Plant Physiologists, Rockville, MD) pp. 57-66.

Tobin, E.M. and Kehoe, D.M. (1994) Phytochrome regulated gene expression. Sem. Cell Biol. 5:335-346.

Lemna NPR Gene Expression and Abscisic Acid Regulation

Weatherwax, S.C., Williams, S.A., Tingay, S., and Tobin, E.M. (1998) The phytochrome response of the Lemna NPR1 gene is mediated primarily through changes in abscisic acid levels. Plant Physiol. 116: 1299-1305.

Weatherwax, S.C., Ong, M., Degenhardt, J., Bray, E., and Tobin, E.M. (1996) The interaction of light and abscisic acid in the regulation of plant gene expression. Plant Physiol. 111:363-370.

Williams, S.A., Weatherwax, S.C., Bray, E.A., and Tobin, E.M. (1994) A gene which is negatively regulated by phytochrome action in Lemna gibba can also be positively regulated by abscisic acid. Plant Physiol. 105: 949-954.

Okubara, P.A., Williams, S.A., Doxsee, R.A. and Tobin, E.M. (1993) Analysis of genes negatively regulated by phytochrome action inLemna gibba and identification of a promoter region required for phytochrome responsiveness. Plant Physiol. 101:915-924.

Lemna Lhcb Gene Expression

Degenhardt, J. and Tobin, E.M. (1996) A DNA binding activity for one of two closely defined phytochrome regulatory elements in an Lhcb promoter is more abundant in etiolated than in green plants.Plant Cell 8:31-41.

Kehoe, D.M., Degenhardt, J., I., and Tobin, E.M. (1994) Two 10 bp regions are critical for phytochrome regulation of a Lemna gibba Lhcb gene promoter. Plant Cell 6:1123-1134.