Global ETD Search
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 17 of 17 for “"Maternal effect"”.
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How does a butterfly embryo cope with environmental stress?
… response in a conservation context. The effects of two hormone analogs (i.e. of juvenile hormone and 20E) to study their effect on endocrine disruption during embryogenesis; both a maternal effect and through direct exposure. Eggs displayed increased sensitivity early in development …
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Behavior-genetic analyses in Japanese quail chicks
… and again at 12 days of age. A significant line effect was found at both ages, and rankings of these lines for duration and incidence followed a similar pattern. Number of inductions and duration of immobility were inversely related, while the percentage incidence was positively associated with …
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The Effect of Heterochromat in on Genes Located Within Heterochromatic Areas of Standard Chromosomes of Drosophila Melanogaster
… objective of this research is to determine the effect of heterochromatin on genes found within heterochromatic regions of standard chromosomes of Drosophila melanogaster. | The system used in this investigation involves the light (lt: 2-55.0) allelic gene pair, an eye color locus located in the …
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The neuroendocrine and molecular mechanisms underlying stress-induced maternal effects in the threespine stickleback
Non-genetic maternal effects occur when offspring phenotype is influenced non-genetically by a mother’s phenotype. Exposure of mothers to external stressors, for example, can influence the expression of a wide array of offspring traits essential for survival, including growth, morphology, and …
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Regulation of mRNA decay by Pumilio in Drosophila melanogaster
… in all animals, development is driven by maternally loaded mRNAs synthesized in the female parent during oogenesis. These maternally synthesized mRNAs are regulated by post-transcriptional mechanisms, including mRNA localization, degradation and translational activation and repression. …
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A novel statistical signal processing approach for analysing high volatile expression profiles.
… aims at extracting the regulatory role of the maternal effect genes in SN using a variety of causality detection techniques. The hybrid algorithm developed here successfully portrays the interactions which have been previously accredited via laboratory experiments and therefore, suggests a new …
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Ecology of White-Tailed Deer in South Dakota: Growth, Survival, and Winter Nutrition
… captive white-tailed deer while investigating a maternal effect, which potentially influences growth of white-tailed deer from the Black Hills of South Dakota; 2) To determine mortality and habitat use of white-tailed deer fawns in the southern Black Hills, South Dakota; and 3) To evaluate …
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Genetic and molecular analysis of mutations in the unc-52 gene of Caenorhabditis elegans, and isolation of a suppressor, sup-38
… sup-38 were also isolated. These mutations are maternal-effect lethal, and they do not affect normal muscle structure or function.
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MATERNAL EFFECTS AND SEXUAL SELECTION IN THE HELICONIA BUG, LEPTOSCELIS TRICOLOR (HEMIPTERA: COREIDAE)
… by organisms can have significant phenotypic effects that persist throughout life. Parents, mothers in particular, commonly determine these early environments. Maternal effects, or the influence of maternal phenotypes on offspring phenotypes, are therefore likely ubiquitous in natural …
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MATERNAL EFFECTS AND SEXUAL SELECTION IN THE HELICONIA BUG, LEPTOSCELIS TRICOLOR (HEMIPTERA: COREIDAE)
… by organisms can have significant phenotypic effects that persist throughout life. Parents, mothers in particular, commonly determine these early environments. Maternal effects, or the influence of maternal phenotypes on offspring phenotypes, are therefore likely ubiquitous in natural …
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Maternal Effects on Brood Reduction in Common Grackles
… my dissertation research was to investigate how maternal effects influence offspring productivity in common grackles ( Quiscalus quiscula). Maternal effects are largely considered adaptive, but my research provides little supporting evidence because few of the maternal effects I assessed were …
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The role of incubation temperature in determining avian phenotype: implications for avian ecology, life history evolution, and conservation
… environment may be an important and overlooked maternal effect in birds as nearly all birds physically incubate their eggs, thus providing a clear link between parental behavior and the developmental environment of the avian embryo. My research used an interdisciplinary approach, uniting …
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Function, expression and evolution of the *Src family kinases in Caenorhabditis elegans
… activation of Src has pronounced oncogenic effects on cell morphology, adhesion, and motility. Despite its implications in cancer, the normal biological role of Src is not well understood.</p><p>I used the nematode C. elegans to investigate the expression, function, and evolution of two src …
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The zebrafish maternal factor pollywog is required for yolk syncytial layer morphogenesis
… axial hypoblast. Our work with pollywog ( pwg ) maternal-effect mutants highlights the delicate control of the YSL during yolk morphogenesis, and provides novel insight into understanding which tissues of the embryo are affected by loss of a cohesive YSL. I found that pollywog encodes the …
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Genetic analysis of grain protein concentration and related traits in the Illinois protein strain recombinant inbred population of maize
… zein protein concentrations are subject to the maternal effect, where the progeny phenotype follows that of the maternal plant. This phenomenon has been observed in a variety of maize genotypes, including IHP and ILP, but its source is unknown. A series of genetic resources derived from the …
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Molecular genetics of triazine resistance in Senecio vulgaris L
… and the phenotypes thus distinguished were all maternally inherited in both crosses. Thylakoids of the susceptible biotypes bound [$^{14}$C] atrazine while those of the resistant biotypes did not. The binding was similar but variable among the several susceptible biotypes tested giving …
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Proximate and Ultimate Consequences of Stressed-Induced Maternal, Paternal, and Joint Parental Effects in a Changing World
… environments of offspring, resulting in parental effects on offspring traits. I addressed the consequences of stress-induced maternal, paternal, and joint parental effects from both ultimate (ecological/evolutionary) and proximate (physiological/epigenetic) perspectives. I used a full-factorial …