Role of crop domestication genes in plant growth and development
Wednesdays from 3-5 PM 123 Williams Hall. Winter quarter 2008
Jan 9th Introduction, scheduling
Jan 16th SUN cloning paper (discussed by all).
Jan 23rd FREE
Jan 30th Teosinte branched: Shan Wu
Feb 6th Naked grain: Na Zhang
Feb 13th Seed shattering: Taniya Dhillon
Feb 20th Yield: Linjian Jiang
Feb 27th Fruit weight 2.2: Youyoun Moon
Mar 5th Ovate, Nicole Waterland
Mar 12th Concluding remarks and discussions
Jan 30th. Present the paper: Doebley et al 1997. The evolution of apical dominance in maize. Nature 386: 485
Discuss the role of TCP transcription factors in plants: Cubas et al 1999. The TCP domain: a motif found in proteins regulating plant growth and development. Tremousaygue et al 2003. Internal telomeric repeats and “TCP domain” protein-binding sites co-operate to regulate gene expression in Arabidopsis thaliana cycling cells. Plant Journal 33: 957
Feb 6th. Present paper: Wang et al 2005. The origin of the naked grains of maize. Nature 436: 714.
Discuss the role of SBP box proteins (also called SPL) in plant development: Manning et al 2006. A naturally occurring epigenetic mutation in a gene encoding SBP-box transcription factor inhibits tomato fruit ripening. Nat Genet 38: 948.
Feb 13th. Present paper: Konishi et al 2006. An SNP caused the loss of seed shattering during rice domestication. Science 312: 1392
Discuss the role of Bell transcritption factors (replumless aka bellringer, pennywise) in plant development: Kanrar et al 2006. Arabidopsis inflorescence architecture requires the activities of KNOX-BELL homeodomain heterodimers. Planta 224: 1163.
Feb 20th. Present paper: Ashikari et al 2005. Cytokinin oxidase regulates rice grain production. Science 309: 741.
Discuss the role of cytokinin in plant development: Kyozuka 2007 Control of shoot and root meristem function by cytokinin. Curr Opin Plant Biol 10: 442
Feb 27th: Present paper: Frary et al 2000. fw2.2: a quantitative trait locus key to the evolution of tomato fruit size. Science 289: 85
Discuss the role of this gene in fruit size: Cong and Tanksley 2006. FW2.2 and cell cycle control in developing tomato fruit: a possible example of gene co-option in the evolution of a novel organ. Plant Mol Biol 62: 867.
Mar 5th: Present paper: Liu et al 2002. A new class of regulatory genes underlying the cause of pear-shaped tomato fruit. PNAS 99: 13302
Discuss the role of OFP proteins in plant development: Wang et al 2007. Arabidopsis Ovate Family Protein 1 is a transcriptional repressor that suppresses cell elongation. Plant Journal 2007 50: 858
Mar 12th: final read and discussions (paper tba)