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Permanent link (DOI): https://doi.org/10.7939/R35M44

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Evolutionary developmental genetics of floral monosymmetry in Cleome violacea (Cleomaceae) Open Access

Descriptions

Other title
Subject/Keyword
development
flower
symmetry
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Patchell, Melanie J
Supervisor and department
Hall, Jocelyn (Biological Sciences)
Examining committee member and department
Deyholos, Michael (Biological Sciences)
Palmer, Richard (Biological Sciences)
Department
Department of Biological Sciences
Specialization
Plant Biology
Date accepted
2013-01-08T08:55:03Z
Graduation date
2013-06
Degree
Master of Science
Degree level
Master's
Abstract
Cleomaceae is an ideal system in which to investigate evolutionary transitions between monosymmetric flowers from polysymmetric ancestors. Previous studies have not produced a resolved phylogeny or explored the role of the candidate gene, TCP1, in the evolution of monosymmetric flowers. Here, I use phylogenetic analysis of chloroplast genes matK, ndhF, and ycf1, in addition to the mitochondrial gene rps3 and nuclear ribosomal gene ITS1, to generate the first support for relationships that constitute the backbone of the phylogeny. I then explore TCP1 homologues in Cleomaceae by isolating two paralogues from three species (Cleome spinosa, C. violacea, and C. viridiflora) and correlating expression domain of one copy, ClevioTCP1.1, in C. violacea to floral development using in situ hybridization and scanning electron microscopy. These results provide a phylogenetic framework in which to interpret patterns of evolution and are the first steps towards understanding floral symmetry evolution at the molecular level in Cleomaceae.
Language
English
DOI
doi:10.7939/R35M44
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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