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1 MCDB 141 Molecular Basis of Plant Development and Differentiation Spring, 2007 Lectures: Monday and Wednesday, 11:00 - 12:15, Botany 325 Prerequisites: LS3 and LS4 or equivalent. Instructor: Professor Elaine Tobin LSB 3313A Office Hours: Wednesdays, 3:00-4:00 or by appointment Email: [email protected] Tel: 825-7700 Teaching Assistant: Steve Knowles (LSB 3206) Office hours: by appointment Email: [email protected] Tel: 825-0130 Discussion Sections: Fridays, 11 A.M., 12 noon, 2 P.M. (Math Sciences 5225) Attendance at and participation in the discussion section is required and is an integral component of the course. During the discussion sections, students will discuss and critically analyze the assigned scientific research papers which will be available on the website. You need to come prepared and to your assigned section. There will be a short assignment about the assigned research paper to be turned in at the beginning of each section. There is no textbook for this course. Reading material and copies of the research papers for discussion in section will be made available on the course web site: http://www.lsic.ucla.edu/classes/spring07/ Grading: Term Paper: 10% A term paper critically analyzing a research article is due in your section on June 8. Further information about this assignment will be distributed in section. Discussion Section: 15% Midterm: 30% Final exam: June 11, 11:30 A.M. (Cumulative): 45% Please note: The exams will include material covered only in the discussion sections and the reading material from the web site as well as lecture material.2 MCDB 141 Molecular Basis of Plant Development and Differentiation Spring, 2007 Date Lecture Topic April 2 1 Introduction and overview of plant development; plant cells and differentiation; plant life cycles April 4 2 Review of gene regulation and methods to study it for understanding plant development April 6 Section 1: Organization; introduction to reading research papers April 9 3 Plant transformation: the Ti plasmid of Agrobacterium tumifaciens; introduction to plant hormones and their roles in development April 11 4 Auxin and growth; phototropism and geotropism April 13 Section 2: Using computers: searching for articles; analyzing sequence data Meet in Young Hall Science Learning Center Room 4335 April 16 5 How plant cells enlarge—cell walls and auxin action April 18 6 Roles of auxin in development April 20 Section 3: Esmon et al. (2006) A gradient of auxin and auxin-dependent transcription precedes tropic growth responses. Proc. Natl. Acad. Sci. 103: 236-241. April 23 7 Seedling growth: introduction to the roles of light and photoreceptors; the development of chloroplasts and photosynthesis April 25 8 Structure and function of the photosynthetic apparatus April 27 Section 4: Nakagawara et al. (2007) Clp protease controls chlorophyll b synthesis by regulating the level of chlorophyllide a oxygenase. Plant J. 49: 800-809. April 30 9 Introduction to plant photoreceptors important in development; the phytochrome family May 2 10 Phytochromes and Cryptochromes May 4 Section 5: Al-Sady et al. (2006) Photoactivated phytochrome induces rapid PIF3 phosphorylation prior to proteasome-mediated degradation. Mol. Cell 23: 439- 446.3 Date Lecture Topic May 7 11 Guest Lecturer, Professor Winslow Briggs, Carnegie Institution and Stanford University: Phototropins and related photoreceptors in higher plants and bacteria May 9 MIDTERM (not including Lecture 11) May 11 Section 6: Lariguet et al. (2006) PHYTOCHROME KINASE SUBSTRATE 1 is a phototropin1 binding protein required for phototropism. Proc. Natl. Acad. Sci. 103: 10134-10139. May 14 12 Seed development and storage proteins, a role for abscisic acid May 16 13 Guest Lecture: Dr. Enno Krebbers, DuPont, Engineering seed quality: biological and economic topics May 18 Section 7: Furihata et al. (2006) Abscisic acid-dependent multisite phosphorylation regulates the activity of a transcription activator AREB1 Proc. Natl. Acad. Sci. 103: 1988-1993. PLUS deadline for submitting plan (a complete copy of article selected) for approval for your term paper (this can be done earlier if you would like). May 21 14 Seed germination and early seedling growth, role of gibberellins May 23 15 Floral development and hormonal regulation of flowering May 25 Section 8: Griffiths et al. (2006) Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis. Plant Cell 18: 3399-3414. May 28 MEMORIAL DAY HOLIDAY May 30 16 Environmental and genetic controls of flowering; fertilization and self- incompatibility June 1 Section 9: Eriksson et al. (2006) GA4 is the active gibberellin in the regulation of LEAFY transcription and Arabidopsis floral initiation. Plant Cell 18: 2172-2181. June 4 17 Circadian rhythms in plants and their importance for flowering June 6 18 Guest Lecture: Professor Andrew Diener, U.C.L.A. Plants interacting with the environment: plant defense responses June 8 Section 10: Review for final and TURN IN TERM PAPER+copy of article used. The article MUST be in the journal format. Print the pdf of the article. Final Examination June 11,


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UCLA MCDBIO C141 - Syllabus

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