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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 89 for “"genetic control"”.
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Genetic Control of Root System Architecture in Rice
… improvement. However, our understanding of the genetic control of root system architecture (RSA) in rice is fundamentally insufficient to contribute to these goals. The identification of novel rice RSA loci and the genes that underlie them could potentially provide breeders the tools to test the …
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Genetic Control of Experimentally Induced Reproductive Autoimmune Phenotypes
… This work reveals QTL with phenotype-specific genetic control, complex interactions between QTL, and the importance of epistatic interactions between genes in reproductive autoimmunity and immunoregulation.
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GENETIC CONTROL OF EYE AND CENTRAL NERVOUS SYSTEM DEVELOPMENT
… is a rare human congenital disorder with its genetic etiology largely unknown. In the second part of this thesis, we show that homozygous deletion of Nf1, the Ras GTPase gene underlying human neurofibromatosis type 1 syndrome, caused lens dysgenesis in mouse. While early lens specification …
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Genetic control of death in Chinese Hamster Ovary cultures
… in culture were found to die by apoptosis, a genetically controlled form of cellular suicide. Protein synthesis inhibition in CHO cells led to rapid death, indicating that CHO cells were pre-disposed to death and that survival proteins needed to be continuously synthesized to protect cells …
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Simulation of genetic control of reproduction in beef cows
… normalized to simulate assumed normal underlying genetic and environmental distributions. Postpartum interval has a non-normal phenotypic distribution that was produced by combining an assumed normal genetic distribution with a Pearson III gamma distribution of environmental effects. The breeding …
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Genetic Control Of Enteric Nervous System Development And Subtype Specification
… poorly understood, and we also know little about genetic causes of dysfunctional motility in CIPO and post-surgical HSCR. To better understand transcriptional control of ENS development, we characterized the ENS of several mice lacking transcription factors highly expressed in ENS precursors. Mice …
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Defining the Host Genetic Control of the Barley Rhizosphere Microbiota
… gain fundamentally novel insights into the host genetic control of the rhizosphere microbiota. <br/><br/>The overarching hypothesis of my work is that the host genotype has the capacity to shape the rhizosphere microbiota to sustain plant growth in given soil conditions. I further hypothesize …
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Genetic control of flowering time and biomass yield in sorghum
… biomass, though there has been very little genetic improvement for biomass yield. Most biomass sorghums are very late flowering to maximize vegetative growth. In order to understand the genetic control of flowering time and biomass yield in sorghum, we used a diverse panel of more than 400 …
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Hormonal and genetic control of leaf and vein development in maize
… The small indolic plant hormone, auxin, controls leaf and vein development in plants. However, how it controls leaf and vein development in grasses is not wellunderstood. In Chapter 1, I review the literature on leaf vein development and highlight the knowledge gap on the role of auxin in …
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UTH1 and the genetic control of aging in the yeast, Saccharomyces
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Biology, 1996.
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The genetic control of stem mechanical properties in Brassica Napus and Wheat
Understanding what contributes to the genetic control of stem mechanical strength in important crop species, has potential for the improvement of lodging resistance. This may be particularly important given the recent interest in the exploitation of crop residues as feedstock for lignocellulosic …
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Genetic Control of Genomic Alterations Induced in Yeast by Interstitial Telomeric Sequences
… telomere. In the current study, we examined the genetic control of these events. We show that the terminal inversions likely occur by the formation of a double-stranded DNA break within the ITS, followed by repair of the break utilizing the single-strand annealing pathway. The point mutations …
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Genetic Control of Survival and Weight Loss during Pneumonic Burkholderia pseudomallei (Bp) Infection
… a biological weapon. The US Centers for Disease Control and Prevention (CDC) and The Department of Health and Human Services (DHHS) has recognized Bp as a Tier 1 Select Agent, meaning there is no effective vaccine against this high morbidity/mortality disease. Furthermore, according the CDC, …
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Genetic control and prediction of milling and baking quality for UK wheat breeding
… be suitable for bread making and these are both genetically and environmentally controlled. In the UK, breeders have historically focussed more on increasing yield rather than quality due to the difficulty in selecting for multiple low throughput and high cost quality traits. This thesis aims to …
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Genetic Control of the Response to Sulfur, Nitrogen, and Phosphorus Supply in Arabidopsis thaliana
… reductase – are nearly equally involved in its control but through different mechanisms. Moreover, a Genome-Wide Association Study was conducted on the accumulation of nitrate, phosphate, and sulfate in more than 200 arabidopsis accessions. This analysis resulted in identification of new …
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An Investigation of the Genetic Control of Biofilm Formation in Bacteria (E. coli K-12 MG1655)
… as a model organism for studies in molecular genetics and physiology since the 1960s. I have undertaken this study and address three outstanding questions. Firstly, the involvement of morphogene bolA and RNA polymerase sigma factor (rpoS) in biofilm formation. Secondly, the effect on …
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X-Ray-Induced Chromosomal Translocations With Reference to Genetic Control of the Mosquito Anopheles Albimanus (Wiedemann)
Made available in DSpace on 2014-12-12T01:27:46Z (GMT). No. of bitstreams: 1 7500408.pdf: 2816990 bytes, checksum: ebbfb3a68f5b6c0faa3054666dabebb4 (MD5) Previous issue date: 1974
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Towards an Understanding of Genetic Control of Processing Quality Traits in Blackcurrant (<i>Ribes nigrum</i> L.)
… complex, show continuous variation, polygenic control, genes of small effects and strong influence by the growing environment; additionally, blackcurrant is a minor crop with no reference genome and existing sequence annotation is based on homology to Arabidopsis.<br/><br/>In this study high …
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Genetic Control of Eye Development, a Case Study Focused on the Murine Mutation Belly Spot and Tail (BST)
<p>Development of the eye is controlled by a network of genes, often conserved, that regulate the timing and location of cellular differentiation. One approach to understanding this network of genes and their interaction is to focus on mutations, spontaneous or induced, that predictably disrupt the …
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Linking transcript, QTL and association mapping to understand the genetic control of leaf size and shape in Populus
… of biomass yield. In order to investigate the genetic variance contributing to this variation in leaf size a collection of Populus nigra L. were made from across Europe and were planted at a single site in Belgium, in a fully randomized and replicated trial, with leaf traits measured in three …
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