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Honors Collegium 70AL Gene Discovery Laboratory Professor Bob Goldberg Spring 2009 Final Symposium Schedule June 4, 2009 Session I - Investigating Seed Development: Importance, Methods, & Plant Systems (45 minutes) Introduction to Seed Development and Arabidopsis Embryo Development & Arabidopsis as a Model System to Study Plant Genes (15 minutes) Eden and Chris Introduction to the Methods and Approaches Used to Identify and Study Arabidopsis Seed Knock-Out Mutations and Isolate Upstream Gene Regions (15 minutes) Elaine and Nancy Introduction to Sequencing the Scarlet Runner Bean Genome (15 minutes) Max and Jessica Session II - Using Known Arabidopsis Seed Mutants as Controls For Knock-Out Experiments (20 minutes) Lec1: A CAAT-Box Binding Factor Gene That Regulates Seed Development Eden, Elaine, and Nancy (10 minutes) Dicer-Like: A RNA Helicase Gene Involved in Gene Silencing Max, Jessica, and Chris (10 minutes) Break (10 Minutes) Session III – Investigating Arabidopsis Compartment-Specific Seed Transcription Factor Genes: Expression, Knock-Out Mutations, & Promoter Cloning (75 Minutes) Final HC70AL Symposium Spring, 2009 Page Two bHLH and Homeobox Protein 33 Genes Chris McQuilkin (15 minutes) Agamous-Like 96 and WRKY 59 Genes Eden Maloney (15 minutes) B3 Domain-Containing Transcription Factor and bHLH Genes Elaine Chu (15 minutes) Break (10 Minutes) ERF/AP2 SubfamilyA3 and ER/AP2 Subfamily A6 Genes Jessica Chen (15 minutes) Unknown Transcription Factor and C3H Zinc Finger Genes Max Bachour (15 minutes) Zinc Finger CONSTANS-Related and LOB-Domain Containing Genes Nancy Phang (15 minutes) Break (10 minutes) Session IV – Sequencing the Scarlet Runner Bean Genome (30 Minutes) Chris McQuilkin (5 Minutes) Eden Maloney (5 Minutes) Elaine Chiu (5 Minutes) Jessica Chen (5 Minutes) Max Bachour (5 Minutes) Nancy Phang (5 Minutes Final HC70AL Symposium Spring, 2009 Page Three Some Things to Think About and Present in Your Individual Talks (you can add other data if relevant) 1. General Arabidopsis Gene Information a. What is the transcription factor gene? b. What other studies have been carried out on this gene? c. What is the name and chromosomal location of the gene? d. What is the size of the gene in base pairs? e. Anatomical features of the gene (exons, introns, UTR) f. What is evidence for correct gene structure? (ESTs, cDNAs) g. What protein does the gene encode? h. What is the size of the protein it encodes in amino acids? 2. Arabidopsis Seed Transcription Factor Gene Activity a. Where/when is the gene active? How was the gene identified? b. Laser Capture Microscopy and GeneChip results? c. RT-PCR results? d. EST Data? 3. Genotyping Arabidopsis T-DNA Insertion Lines a. Where did the lines originate? b. Where is the T-DNA insert? c. How many T-DNAs inserted? d. What direction did the T-DNA insert into the gene (based on the Fw primer)? e. How many plants were genotyped? i. How many plants were homozygous wild type? ii. How many plants were heterozygous for the T-DNA? iii. How many plants were homozygous for the T-DNA? f. Did the T-DNA insertion in your gene disrupt seed development? g. Did the T-DNA insertion in your gene disrupt vegetative and/or flower development? 4. Phenotype of Arabidopsis T-DNA Insertion Lines a. Light microscopy of wild type, heterozygous, and mutant seeds/ opened siliques b. Nomarski microscopy of wild type, heterozygous, and mutant seeds c. Wild type versus mutant plant phenotypes 5. Arabidopsis Gene Upstream Region Cloning a. What do you predict from the sequence of your gene? b. What is the size of the upstream region that you cloned? c. How many recombinant colonies did you obtain? d. Does the sequence of your promoter correspond that of the upstream region cloned? Any errors? 6. Future Arabidopsis Experiments to be Done? 7. Scarlet Runner Bean Genome Sequence a. Size of your scaffold? b. Gene “models” represented on your scaffold? c. Identity of genes represented on your model? d. ESTs that correspond to genes within your scaffold? e. Repetitive sequences within your scaffold? Types? Number of repeat nucleotides relative to total scaffold length? f. Homology to soybean genome sequence? g. Visual model of your entire scaffold: gene models, direction of transcription, location of repeats, repeat types? 8. Future Scarlet Runner Bean Bioinformatics work to be done?