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GENETIC CONTROL OF MERISTEMATIC PROLIFERATION
IN ARABIDOPSIS THALIANA
by
Anna Skylar
A Dissertation Presented to the
FACULTY OF THE USC GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
DOCTOR OF PHILOSOPHY
(MOLECULAR BIOLOGY)
August 2014
Copyright 2014 Anna Skylar
Object Description
| Title | Genetic control of meristematic proliferation in Arabidopsis thaliana |
| Author | Skylar, Anna Maria |
| Author email | skylar@usc.edu;anna.m.skylar@gmail.com |
| Degree | Doctor of Philosophy |
| Document type | Dissertation |
| Degree program | Molecular Biology |
| School | College of Letters, Arts and Sciences |
| Date defended/completed | 2014-08-01 |
| Date submitted | 2014-08-08 |
| Date approved | 2014-08-08 |
| Restricted until | 2014-08-08 |
| Date published | 2014-08-08 |
| Advisor (committee chair) | Wu, Xuelin |
| Advisor (committee member) |
Forsburg, Susan Tower, John G. Reisler, Hanna |
| Abstract | When a dormant seed of flowering plants receives environmental cues to begin germination, a remarkable series of transformation takes place. The seed coat cracks open, the embryonic root (radical) emerges, and the stem (hypocotyl) begins to elongate upward. Once the light source is detected, the previously closed embryonic leaves (cotyledons) expand and photosynthesis begins. The meristems, which house clusters of pluripotent stem cells and were patterned during embryogenesis, will now produce the adult organs—leaves, roots, shoots, flowers, throughout the plant’s life. Using model plant Arabidopsis thaliana, this thesis focuses on the molecular and genetic aspects of the latter process, meristematic function, by examining the roles of individual genes in meristematic maintenance during early seedling development. ❧ Chapter 1 gives a brief overview of plant development and describes the current state of knowledge of shoot and root apical meristems’ maintenance and the genetic networks involved. Chapters 2‐3 focus on the homeodomain transcription factor STIMPY and its role in meristematic cell maintenance. Chapter 4 discusses another gene, ELONGATA 3 (histone acetyltransferase) and its role in meristematic cell cycle progression. Chapter 5 contains concluding remarks and discussion. |
| Keyword | meristems; Arabidopsis; transcription factor binding |
| Language | English |
| Format (imt) | application/pdf |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m |
| Contributing entity | University of Southern California |
| Rights | Skylar, Anna Maria |
| Physical access | The author retains rights to his/her dissertation, thesis or other graduate work according to U.S. copyright law. Electronic access is being provided by the USC Libraries in agreement with the author, as the original true and official version of the work, but does not grant the reader permission to use the work if the desired use is covered by copyright. It is the author, as rights holder, who must provide use permission if such use is covered by copyright. The original signature page accompanying the original submission of the work to the USC Libraries is retained by the USC Libraries and a copy of it may be obtained by authorized requesters contacting the repository e-mail address given. |
| Repository name | University of Southern California Digital Library |
| Repository address | USC Digital Library, University of Southern California, University Park Campus MC 7002, 106 University Village, Los Angeles, California 90089-7002, USA |
| Repository email | cisadmin@lib.usc.edu |
| Filename | etd-SkylarAnna-2799.pdf |
| Archival file | uscthesesreloadpub_Volume14/etd-SkylarAnna-2799.pdf |
Description
| Title | Page 1 |
| Repository email | cisadmin@lib.usc.edu |
| Full text | GENETIC CONTROL OF MERISTEMATIC PROLIFERATION IN ARABIDOPSIS THALIANA by Anna Skylar A Dissertation Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (MOLECULAR BIOLOGY) August 2014 Copyright 2014 Anna Skylar |
