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Dissertations / Theses on the topic 'Plant molecular genetics'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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1

Lim, Saw Hoon. "Molecular analysis of porphobilinogen deaminase in higher plants." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259764.

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2

Phelan, Thomas Joseph. "GENETIC AND MOLECULAR ANALYSIS OF PLANT NUCLEAR MATRIX PROTEINS." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011104-233111.

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<p>PHELAN, THOMAS JOSEPH, Genetic and Molecular Analysis of Plant Nuclear Matrix Proteins. (Under the direction of Steven L. Spiker.)The eukaryotic nucleus is composed of DNA, RNA and protein, encapsulated by a nuclear envelope. DNA is compacted up to ten thousand times in order to be packaged into the nucleus. The nucleus must maintain order in the presence of a very high density and variety of protein and RNA. The nuclear matrix is a proteinaceous network thought to provide structure and organization to the nucleus. We believe that relatively stable interactions of nuclear molecules with the

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3

Cowan, Rebecca. "Molecular domestication and transposon contributions to plant genome evolution." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82211.

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Despite the ubiquity of transposons in eukaryotic genomes, their evolutionary role remains controversial. The discovery of several domesticated genes has suggested that transposons can gain host functions, and thus contribute to the evolution of their host. Here, I present the results of a genome-wide screen for transposon-derived host genes, which was based on the idea that, once domesticated, the open reading frame of such elements would be maintained, while terminal structures necessary for transposition would be lost. Eight-hundred-and-sixty-three such transposon-dissociated element

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4

Ryan, Lucy Anne. "The molecular biology of plant growth control." Thesis, De Montfort University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328065.

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5

Bitalo, Daphne Nyachaki. "Implementation of molecular markers for triticale cultivar identification and marker-assisted selection." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71670.

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Thesis (MSc)--Stellenbosch University, 2012.<br>Triticale is an amphidiploid that consists of wheat (A and B) and rye (R) genomes. This cereal is fast becoming important on a commercial basis and warrants further assessment for the better management and breeding of the hybrid. The assessment of the genetic diversity among the wheat and rye genomes within triticale can be obtained by using molecular markers developed in both donor genomes. Simple sequence repeats markers (SSRs) and amplified fragment length markers (AFLPs) have been previously used to assess the genetic diversity among tritical

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6

Juretic, Nikoleta. "The role of transposons in shaping plant genomes /." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115687.

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Transposons, also known as transposable elements (TEs), are genetic elements capable of changing their location in the genome and amplifying in number. Because of their ability to cause mutations in the host genome, often with detrimental consequences to the host, yet avoid being eliminated by natural selection, transposons have been labeled selfish elements or genomic parasites. However, the advent of genomics has allowed the identification of numerous instances where transposons have played a crucial role in host genome evolution. In this thesis, I evaluate the extent to which transposons ha

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7

Horsley, David. "Molecular and structural studies of plant clathrin coated vesicles." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291323.

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8

Moulton, Paul Jonathan. "The molecular genetics of Pseudomonas syringae pv. pisi." Thesis, University of the West of England, Bristol, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278900.

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9

Russell, Joanne Ritchie. "Molecular variation in Theobroma species." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386981.

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10

Husselmann, Lizex H. H. "Molecular characterisation of the commercially important Agathosma species." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/3068.

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Thesis (MSc (Plant Biotechnology))--University of Stellenbosch, 2006.<br>The development of a reliable and reproducible method for the genetic characterisation and identification of the commercially important Agathosma species was investigated. Previous research attempts aimed at developing a reliable and reproducible method of identifying these Agathosma species failed, mostly because these studies were based on phenotypic traits and these methods were therefore influenced by environmental factors. In this study amplified fragment length polymorphisms (AFLPs) were successfully used to quantif

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11

Docking, T. Roderick. "The evolution of retrotransposon sequences in four asexual plant species /." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81327.

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Since their discovery, transposable elements (TEs) have been regarded either as useful building blocks of genomes, or as "selfish DNA": genetic parasites that exploit the sexual cycle to spread in copy number within populations to the detriment of their hosts. If the "selfish DNA" hypothesis is correct, TEs are expected to deteriorate and be lost from asexual populations. This thesis tests the predictions of the "selfish DNA" hypothesis in four asexual plant species, focusing on patterns of nucleotide diversity and nucleotide substitution. Sequences bearing strong resemblance to known

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12

Poole, Deborah Marie. "Molecular analysis of plant cell wall hydrolases of bacterial origin." Thesis, University of Newcastle Upon Tyne, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238939.

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13

Palumbo, Fabio. "Exploiting genomics and molecular markers for plant genetics and breeding." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3422297.

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Co-dominant molecular markers, such as Microsatellites (or Simple Sequence Repeats, SSRs), are powerful tools for basic and applied research programs in crop plant species. Among the possible applications, they are frequently adopted for genetic traceability of food products, for assessing the genetic diversity of local varieties as well as the genetic identity of modern varieties, and also for marker-assisted breeding purposes. In fact, SSR markers are known to be highly polymorphic and discriminant, well distributed throughout the genome, not affected by environmental factors, more efficient

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14

Saleh, Norihan Mohamad. "Molecular studies of 'wild-abortive' and fertile cytoplasms in rice." Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277933.

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15

Sarjeant, Adrian B. "The molecular genetic characterisation of the Arabidopsis thaliana LAX1 gene." Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343147.

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16

Lonergan, Paul Francis. "Genetic characterisation and QTL mapping of zinc nutrition in barley (Hordeum vulgare)." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phl847.pdf.

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17

Jenkin, Mandy Jane. "Genetics of boron tolerance in barley /." Adelaide : Thesis (Ph.D.) -- University of Adelaide, Department of Plant Science, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phj514.pdf.

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18

Filkowski, Jody, and University of Lethbridge Faculty of Arts and Science. "The effect of pathogens on plant genome stability." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, 2004, 2004. http://hdl.handle.net/10133/254.

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Resistance (R) genes, a key factor in determining the resistance of plants, have been shown often to be highly allelic entities existing in duplicated regions of the genome. This characteristic suggests that R-gene acquisition may have arisen through frequent genetic rearrangements as a result of transient, reduced genome stability. Tabacco plants transgenic for a recombination construct exhibited reduced genome stability upon infection with a virulent pathogen (tobacco mosaic virus). The reduced genome stability manifested as an increase in recombination events in the transgene. Such increase

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19

Mahmoud, Sayed Hassan. "Biochemical marker genes for molecular genetics and plant breeding in Pisum sativum L." Thesis, Durham University, 1985. http://etheses.dur.ac.uk/7853/.

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Three isoenzyme systems (amylase, esterase and glutamate oxalo acetate transaminase) were examined in seeds of pea ( Pisum sativum L.) and showed clear variations in their band patterns on gel electro phoresis between different lines. The inheritance of these isoenzyme systems, and the location of their structural genes on the pea genome were investigated. Reciprocal crosses were made between lines, F2 seeds were analysed for segregation in the band patterns of the isoenzymes, and F2 plants were investigated to find linkage between the genes for these isoenzymes and genes for selected morpholo

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20

Chaulk, Christine Annie 1964. "Chromosome number, fertility, and mitochondrial genome of backcross populations derived from Medicago sativa x Medicago dzhawakhetica hybrids." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277157.

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Backcross populations (BC) from Medicago sativa L. x M. dzhawakhetica Bordz. hybrids were analyzed for chromosome number, fertility and morphological characteristics. Previously obtained F1 hybrids were recovered when diploid (2n = 2x = 16) M. sativa was crossed with tetraploid (2n = 4x = 32) M. dzhawakhetica. Resulting F1 hybrids were triploid (2n = 3x = 24), completely male sterile and had low levels of female fertility. Subsequent populations were obtained by successive backcrossing to unrelated (4x) M. sativa clones. The BC1 plants were pentaploid (2n = 5x = 40) and both male and female fe

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21

Wan, Yao. "From Powerhouse to Processing Plant: Conserved Roles of Mitochondrial Outer Membrane Proteins in tRNA Splicing." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531410494675571.

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22

Lee, Sungkeun. "Molecular genetic analysis of nucleotide excision repair genes in Dictyostelium discoideum /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841209.

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23

Venter, Mauritz. "Isolation of grapevine promoters with special emphasis on the vacuolar pyrophosphatase." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/16078.

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Dissertation (PhD)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: Understanding the complex nature of grapevine molecular biology is of great importance for viticulturists. Progress in the elucidation of key events on a genetic level could provide further insight into the underlying cues responsible for the precise control of physiological and metabolic changes during a specific condition such as fruit development. The use and analysis of molecular ‘tools’, such as promoters controlling the site and level of gene activity, could assist in the understanding of grapevine biology an

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24

Zheng, Liansheng 1955. "Gene expression in two different genotypes of alfalfa under salt stressed and unstressed conditions." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276936.

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Gene expression in two different genotypes of alfalfa, salt-tolerant and salt-sensitive, was examined by studying differences in protein products coded for by poly(A+) RNA isolated from shoot and root tissue. Plants were grown in hydroponics under unstressed or salt-stressed conditions. Two salinity levels (low salt: 30 mM NaCl and 6 mM CaCl2 and high salt: 133 mM NaCl and 27 mM CaCl2) and one unstressed control were applied. The salt-tolerant genotype showed higher biomass accumulation than the salt-sensitive genotype under both control and salt-stressed conditions. The difference in biomass

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25

Posthuma, Karin Ingeborg. "Molecular detection of strawberry crinkle virus and cloning of plant genes associated with infection." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342275.

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26

Al-Mamari, Al-Ghaliya Humaid. "Application of genomics and molecular genetics in date palm (Phoenix dactylifera L.)." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/27894/.

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Date palm (Phoenix dactylifera L.) is a diploid with 18 pairs of chromosomes and an estimated genome size of 658 Mb. It is a dioecious perennial monocot, with a long generation time (a period of 4-5 years until first flowering). Date palm is one of the major fruit crops grown in the Gulf countries and particularly in the Sultanate of Oman. Approximately 250 varieties of date palm are recorded throughout the country with evaluation and characterization based on morphological and reproductive traits (e.g. fruit color, fruit shape and fruit weight). Limited molecular characterization work has bee

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27

Lai, Kwok-wai, and 賴國偉. "Molecular studies of {221}-cyanoalanine synthase from rice (Oryza sativa)." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39349238.

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28

Wright, Stephen 1975. "Transposon dynamics in self- and cross-fertilizing plant populations." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33453.

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The population dynamics of transposons in self- and cross-fertilizing plant populations are investigated both theoretically and empirically. Models were developed to evaluate the influence of host breeding system on transposon populations. Modeling results suggest that the selfing rate is likely to have important effects on the abundance and polymorphism patterns of transposable elements in plant genomes. A primary characterization of diversity and abundance of transposons in the self-pollinating species Arabidopsis thaliana was conducted using genomic sequencing data, providing strong evidenc

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29

Zhang, Yun-Heng. "Biochemistry and molecular biology of binding proteins for plant growth regulators." Thesis, De Montfort University, 2000. http://hdl.handle.net/2086/13254.

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Plant growth regulators have a vital role in plant growth and development. The cellular response to these regulators depends on the presence and the action of specific receptors. The plant growth regulators and their receptors act together in complexes which determine the final effects of the plant growth regulators. In the research reported here, emphasis has been given to the regulation of the activity of the receptors themselves. The regulation of the N-l-naphthylphthalamic acid (N~A) receptor through phosphorylation and dephosphorylation and the regulation of the auxin binding protein (ABP

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30

Rodpothong, Patsarin, and n/a. "Host-specific Nod factor requirements for nodulation of Lotus species by Mesorhizobium loti." University of Otago. Department of Microbiology & Immunology, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080910.113419.

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Mesorhizobium loti possesses a symbiosis island (ICEMlSym[R7A]) that confers upon the bacterium the ability to form a symbiotic association with legumes of the genus Lotus. Nodulation (nod, nol and noe) genes located on the ICEMlSym[R7A] encode enzymes that are responsible for the production of a species-specific signaling molecule, named Nod factor. Perception of Nod factors by plant receptors triggers several plant responses and facilitates bacterial invasion, leading to the formation of root nodules. The studies in this thesis aimed to examine the impact of various structural components of

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31

Harding, Michael W. "Genetic and molecular analyses of avirulence in the phytopathogenic fungus Magnaporthe grisea." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/280608.

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Magnaporthe grisea is a filamentous ascomycete fungus that causes blast disease on rice and other grasses. Blast is a serious deterrent to rice production and negatively affects production of other cereals, forage crops and economically important grasses. The primary means of blast disease management involves the development and implementation of genetically resistant plants. Understanding the molecular basis of plant resistance is the foundation for the development of unique and durable plant protection. The results presented here focus on genes in the rice blast fungus called avirulence gene

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32

To, Kevin S. "Loss of Promoter Methylation is Correlated with mRNA Induction of Senescence Upregulated Gene UGT78D1." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10600929.

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<p> Leaf senescence is the final stage of leaf development where older leaves undergo an active degenerative process. This highly coordinated event is characterized by a cascade of differential gene expression resulting in senescence upregulated and senescence downregulated genes. Cytosine methylation, a mechanism of epigenetic control, has been shown to play a role in regulating gene expression. Gene body cytosine methylation is correlated with transcriptional activation while promoter cytosine methylation is correlated with transcriptional repression. Evidence from previous work suggests CG

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33

Bradley, Bernadette. "The granule-bound starch synthase genes of wheat." Thesis, Bradley, Bernadette (2003) The granule-bound starch synthase genes of wheat. PhD thesis, Murdoch University, 2003. https://researchrepository.murdoch.edu.au/id/eprint/442/.

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Wheat (Triticum aestivum) is the world's most widely grown and economically important crop. It is both a staple food for humans and a raw material for many industrial processes. World trade in wheat is important for economic stability and an ability to grow wheat is a valuable national resource. Wheat is Australia's major crop with an annual production of about 23 million tonnes. One-quarter of this is used domestically and meets all of Australia's requirements; the remaining three-quarters is exported. Therefore, Australia's wheat industry provides both the national staple food source and

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34

Bradley, Bernadette. "The granule-bound starch synthase genes of wheat." Murdoch University, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040706.142601.

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Wheat (Triticum aestivum) is the worlds most widely grown and economically important crop. It is both a staple food for humans and a raw material for many industrial processes. World trade in wheat is important for economic stability and an ability to grow wheat is a valuable national resource. Wheat is Australias major crop with an annual production of about 23 million tonnes. One-quarter of this is used domestically and meets all of Australias requirements; the remaining three-quarters is exported. Therefore, Australias wheat industry provides both the national staple food source and th

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35

Storey, Benjamin 1973. "AQX : a novel gene in plant ubiquinone biosynthesis." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80882.

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C. elegans worms with mutations in the gene CLK-1 develop slowly and have an extended lifespan. CLK-1 encodes a mitochondrial protein that is responsible for the hydroxylation of 5-demethoxyubiquinone (DMQ), the penultimate step of ubiquinone (Coenzyme-Q or UQ) biosynthesis. Structural homologues of CLK-1 are found in mammals, fruit flies, yeast and some types of bacteria. Interestingly, however, there is no structural homologue of CLK-1 in the Arabidopsis genome and no plant homologue can be found in other sequence databases. Yeast with the CLK-1 homologue COQ7 deleted fail to grow on

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36

Drager, Robert Gray. "Molecular cloning of spinach chloroplast DNA isolated by alkaline lysis." PDXScholar, 1987. https://pdxscholar.library.pdx.edu/open_access_etds/3747.

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Chloroplast genomes of land plants show conservation of structure and gene arrangement. The spinach chloroplast genome is comprised of a covalently closed. circular DNA molecule of 150 kilobases and is typical of these plants. Approximately 20% of the proteins found in the spinach chloroplast are encoded by the chloroplast genome and translated on chloroplast ribosomes. The remainder are encoded on chromosomes in the nucleus, translated on cytoplasmic ribosomes and transported into the chloroplast. Spinach chloroplast DNA was isolated from crude 2 chloroplast preparations by a new method. Chlo

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37

Wang, Tina Y. "Determining the Fate of Hybridized Genomes in the Allopolyploid Brassica napus." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/358.

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Polyploidy is widely acknowledged as a widespread mechanism in the evolution and speciation of the majority of flowering plants. Allopolyploid forms through interspecific hybridization and whole genome duplication. While allopolyploids may display increased vigor relative to their progenitors, they can also face challenges to fertility following hybridization. Genetic changes in allopolyploids result from recombination between the hybridized subgenomes, which can influence phenotype and ultimately determine fitness of future generations. To study dynamic changes that follow allopolyploid forma

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38

Campeol, Nadia. "Detection of markers in a low-density region of the barley (Hordeum vulgare L.) genome and their effects on the mapping of quantitative traits." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0002/MQ44137.pdf.

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39

Sheldon, Candice Claire. "Hammerhead mediated self-cleavage of plant pathogenic RNAs /." Title page, contents and summary only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phs544.pdf.

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40

Kassa, Mulualem Tamiru. "Molecular analysis of genetic diversity in dometicated pigeonpea (Cajanus cajan (L.) Millsp.) and wild relatives." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003773.

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Cajanus cajan (L.) Millsp. (Pigeonpea) belongs to the Leguminosae genus Cajanus which is composed of 34 species. Pigeonpea is the only cultivated member of the genus, while the remaining species are wild relatives belonging mainly to the secondary gene pool. DNA sequence data from the nuclear ITS region and the chloroplast trnL-F spacer were utilized to investigate the phylogenetic relationships between Cajanus and five other allied genera in the subtribe Cajaninae. This study revealed the non-monophyly of Cajanus and Rhynchosia and supported the monophyly of Eriosema and Flemingia, but more s

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41

Das, Sanjeev. "Subcellular Localization of Tobacco SABP2 under Normal and Stress Conditions." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/honors/569.

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Subcellular Localization of Tobacco SABP2 under Normal and Stress Conditions Salicylic acid (SA), a phytohormone, plays an important role in plant physiology. SA mediated innate immune pathway is an important pathway for plant immunity against pathogens. Plants resisting pathogen infection synthesize higher levels of Methyl Salicylate (MeSA), which is then converted to SA by the esterase activity of Salicylic Acid Binding Protein 2 (SABP2). The high level of the converted SA leads to enhanced pathogen resistance. The study of subcellular localization of a protein is critical in explaining its

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42

Devisetty, Upendra Kumar. "Molecular investigation of RAD51 and DMC1 homoeologous genes of hexaploid wheat (Triticum aetivum L.)." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/13340/.

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Meiotic recombination in eukaryotes requires two orthologues of the E. coli RecA proteins, Rad51 and Dmc1. Both genes play an important role in the binding of single strand DNA, homology search, strand invasion and strand exchange resulting in Holliday junctions which are resolved into crossovers or non-crossovers events. Even though both genes are well characterized in a variety of organisms including plants, very little information is available from hexaploid wheat. In most diploid plant species, deletion of either the RAD51 or DMC1 orthologues leads to sterility but wheat being a polyploid,

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43

Bonnardeaux, Yumiko Graciela. "Seed dormancy in barley (Hordeum vulgare L.) : comparative genomics, quantitative trait loci analysis and molecular genetics." University of Western Australia. Faculty of Natural and Agricultural Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0019.

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[Truncated abstract] Under prolonged wet and damp conditions, barley grain with low dormancy can germinate precociously, a condition known as preharvest sprouting that causes a number of detrimental effects in grain quality. In particular, preharvest sprouting renders the grain unsuitable for malting. The aim of this study was to take a genomics approach to identify and characterise candidate genes that could be linked to the control of seed dormancy in barley. This thesis developed a bioinformatic strategy that exploited the availability of gene sequences with functional evidence in the model

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44

Harris, Darby M. "MOLECULAR AND CHEMICAL DISSECTION OF CELLULOSE BIOSYNTHESIS IN PLANTS." UKnowledge, 2011. http://uknowledge.uky.edu/pss_etds/3.

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Plant cell walls are complex structures that must not only constrain cellular turgor pressure but also allow for structural modification during the dynamic processes of cell division and anisotropic expansion. Cell walls are composed of highly glycosylated proteins and polysaccharides, including pectin, hemicellulose and cellulose. The primary cell wall polysaccharide is cellulose, a polymer composed of high molecular weight !- 1,4-glucan chains. Although cellulose is the most abundant biopolymer on Earth, there is still a lot to learn about its biosynthesis and regulation. This research began

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45

Rendell, Sarah. "Population genetic structure of Faidherbia albida (Del.) A. Chev. (Leguminosae, Mimosoideae)." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299160.

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46

Nuthikattu, Saivageethi. "Diverse mechanisms of Athila retrotransposon epigenetic silencing in Arabidopsis thaliana." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417685369.

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47

Gouws, Liezel Michelle, and Jens Kossmann. "The molecular analysis of the effects of lumichrome as a plant growth promoting substance." Thesis, Stellenbosch : University Stellenbosch, 2009. http://hdl.handle.net/10019.1/4825.

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PhD<br>Dissertation presented for the degree of Doctor of Philosophy at Stellenbosch University<br>Embargo(30)lift date 2009-12-31 plt 2010<br>ENGLISH ABSTRACT: Through powerful signal molecules, rhizobacteria affect fundamental processes in plants. In recent years, a number of novel rhizobial molecules have been identified that positively affect plant growth and development. Previous studies have shown that Sinorhizobium meliloti, which form symbiotic relationships with leguminous plants, increases CO2 availability by enhancing root respiration in alfalfa. The active compound was identifie

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48

Lindsay, Robert C. "QUANTITATIVE AND MOLECULAR ANALYSIS OF HABITUATION AT THE MAIZE r1 LOCUS." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5655.

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Epigenetics is the study of heritable changes in phenotypes that are not the result of changes in DNA sequence. Examples of epigenetic affecters include methylation changes, chromatin modifications, transcription factors, and RNA-based changes. The molecular mechanisms behind epigenetic changes are not fully understood. Canalization is the buffering of gene expression against environmental changes over time, while habituation is semi-stable expression change over time due to selection. This work characterized the molecular changes associated with the kernel color changes of the R-sc:86-17p

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49

Krothapalli, Kartikeya. "Association of plastid lipid metabolism with the activation of systemic acquired resistance in Arabidopsis thaliana." Diss., Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/1058.

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Pena, Michelle Mendonça [UNESP]. "DNA Barcoding em Utricularia (Lentibulariaceae)." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/136705.

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Abstract:

Made available in DSpace on 2016-04-01T17:54:52Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-07-15. Added 1 bitstream(s) on 2016-04-01T18:00:35Z : No. of bitstreams: 1 000859555_20160715.pdf: 314328 bytes, checksum: de480f12444da2a9fedafb16079a9793 (MD5) Bitstreams deleted on 2016-07-25T13:17:41Z: 000859555_20160715.pdf,. Added 1 bitstream(s) on 2016-07-25T13:18:48Z : No. of bitstreams: 1 000859555.pdf: 4094738 bytes, checksum: 1c3690c0cf5379b39472b8236e1cdb9c (MD5)<br>A família Lentibulariaceae Rich. é considerada o maior grupo de plantas carnívoras dentre as angiospermas. Utricu

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