NDLTD logo NDLTD Union Catalog and Global ETD Search

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.

Results

Showing 1 to 20 of 128 for “"Quantitative Trait Loci (QTL)"”.

  1. EVALUATION OF SCAB RESISTANCE QUANTITATIVE TRAIT LOCI (QTL) EFFECTS ON WHEAT

    Kang, Jing2010

    … backcrossing. Three FHB resistance QTL on chromosomes 3BS, 2DL, and 5A were introgressed from non-adapted Ning7840 into the elite soft red winter wheat McCormick. The objective of this study was to evaluate the effects of QTL singly and in combination on FHB resistance. The 3BS+2DL …

    maryland Repository record

  2. Identification and characterization of metabolic Quantitative Trait Loci (QTL) in Arabidopsis thaliana

    Lisec, JanUniversität Potsdam

    … and its relation to plant growth using quantitative genetics methods. A special focus was set on the characterization of heterosis, the deviation of hybrids from their parental means for certain traits, on a metabolic level. More than 2000 samples of recombinant inbred lines (RILs) and …

    potsdam-diss Repository record

  3. Quantitative Trait Loci (Qtl) Analysis Of Sulfur Sensitivity In Vitis Aestivalis-Derived 'Norton'

    Duncan, Logan Michael

    … repeat (SSR) markers, respectively. A major quantitative trait loci (QTL) for sulfur sensitivity was detected on linkage group 14 (LOD=15). Identification of this QTL will allow future grape breeding programs produce commercially suitable hybrids, which do not display sulfur sensitivity, via …

    mo-state Repository record

  4. New statistical methods in bioinformatics: for the analysis of quantitative trait loci (QTL), microarrays, and eQTLs

    DeCook, Rhonda2006

    … first study discusses a method for detecting a quantitative trait locus (QTL) when the trait of interest has a zero-inflated Poisson (ZIP) distribution. Though existing methods based on normality may be reasonably applied to some ZIP distributions, the characteristics of other ZIP distributions …

    iastate Repository record

  5. Quantitative trait loci (QTL) for metabolite accumulation and metabolic regulation : metabolite profiling of interspecific crosses of tomato

    Schauer, NicolasUniversität Potsdam

    … the introduction of yield or resistance related traits to date. However given that medical research has highlighted the importance of crop compositional quality in the human diet this research field is rapidly becoming more important. Chemical composition of biological tissues can be efficiently …

    potsdam-diss Repository record

  6. Quantitative Trait Loci (QTL) for Salt Tolerance in Soybean and Physiological Response to Salt Stress During Early Growth Stage

    Lopez Ramirez, Cindy Massiel2017

    … are not quite clear. The discovery of novel QTL/genes associated with salt tolerance facilitates the development of tolerant cultivars through marker-assisted selection (MAS). The objectives of this study were: 1) identify/confirm QTL associated with salt tolerance, and 2) evaluate …

    arkansas Repository record

  7. Molecular mapping of quantitative trait loci (QTL) for Fusarium head blight (FHB) resistance and agronomic traits in US hard winter wheat

    Xu, YuzhouKansas State University2023

    … usually have many undesirable agronomic traits. To dissect the relationship between FHB resistance and yield component traits, we developed two recombinant inbred line (RIL) populations for identification of native FHB resistance quantitative trait loci (QTL) in US hard winter wheat by …

    ksu Repository record

  8. Genetic Studies on the Manipulation of Carotenoid and Tocopherol Content in Sweet Corn and Broccoli

    Ibrahim, Khalid El-SayedUniversity of Illinois at Urbana-Champaign2015

    The second part of the study identified several quantitative trait loci (QTL) associated with the carotenoid and tocopherol variability segregating in two F2:3 sweet corn populations. A number of the identified QTL mapped to chromosomal locations containing previously identified QTL or known genes …

    uiuc Repository record

  9. Genetic dissection of variability in cognitive and locomotor phenotypes using Drosophila melanogaster

    Hamlin, Victoria LucyUniversity of Missouri--Columbia2025

    Phenotypic presentation of cognitive traits and disorders are driven by multiple factors including genomic makeup, environmental factors, and gene-environment interactions, therefore are considered complex multifactorial traits. Due to these many factors there is often variability in phenotypic …

    missouri Repository record

  10. Identification and Mapping of Resistance to Puccinia striiformis and Puccinia triticina in Soft Red Winter Wheat

    Carpenter, Neal RyanVirginia Tech2017

    … Analysis of the P47/JT population identified two quantitative trait loci (QTL) for leaf rust resistance on chromosome 5B and two QTL for stripe rust resistance on chromosomes 3B and 6A. Phenotypic variation (%) explained by the putative leaf rust resistance QTL of Jamestown on 5B was as high as …

    vt Repository record

  11. Genetics of the Arabidopsis Inflorescence Replacement Program

    Sano, Cecile M.University of Illinois at Urbana-Champaign2015

    … diallel design with the ultimate aim of mapping quantitative trait loci (QTL) in the populations derived from these crosses. Owing to time constraints, a Bay x Sha recombinant inbred (RI) population rather than the diallel progeny was used to map QTL for IRP traits. A total of 11 QTL were …

    uiuc Repository record

  12. Genetic and Sex Steroid Hormone Contributions to the Sexual Dimorphism in Murine Experimental Allergic Encephalomyelitis

    Fillmore, Parley DehlinUniversity of Illinois at Urbana-Champaign2015

    … in disease. We also found that of the many quantitative trait loci (QTL) identified to date, genetic linkages to mouse chromosomes 7 and 11 were strongly associated with susceptibility to EAE. Further, the role of sex steroid hormones and parent-of-origin effects were studied through the use …

    uiuc Repository record

  13. Investigating variation in the response of photosynthetic traits to ozone pollution in maize

    Choquette, Nicole EileenUniversity of Illinois at Urbana-Champaign2019

    … responses to elevated ozone, 3) identify quantitative trait loci (QTL) for photosynthetic traits in response to elevated ozone. Overall, ozone increased the heritability of photosynthetic traits and altered genetic correlations among traits. Additionally, ozone decreased the photosynthetic …

    uiuc Repository record

  14. Systems Biology Approaches for Elucidating Early ALS Disease Processes

    Li, JonathanMassachusetts Institute of Technology2022

    … from ALS patients and controls. I performed quantitative trait loci (QTL) analyses and found transcriptional regulators and genes implicated in ALS pathology which were enriched for autophagy and DNA damage repair. Notably, we found missplicing of G2E3 and SCFD1 to be a consequence of the …

    mit Repository record

  15. Soybean-Pythium pathosystem: Search for host resistance and interaction with Fusarium species

    Lerch, Elizabeth2017

    … parental lines of the SoyNAM populations, 2) map quantitative trait loci (QTL) contributing to seed rot caused by multiple Pythium species in a SoyNAM population, and 3) evaluate the effect of co-inoculation with Pythium and Fusarium species on soybean seedling disease development.</p> <p>A seed …

    iastate Repository record

  16. Assessment of a Muscadine Grape (Vitis rotundifolia) Mapping Population for Tolerance to Pierce’s Disease Pathogen Xylella fastidiosa and Resistance to Black Rot Disease Pathogen Guignardia bidwellii

    Tennakoon, Anushka2026

    … phenotyping data for black rot, identified major quantitative trait loci (QTL) on chromosome 16. The QTL for resistance was consistent across both years, and one significant SNP marker was consistently detected. Among the genes located in the major QTL interval, nine genes had annotation results, …

    usm Repository record

  17. Identification of QTL and candidate genes for plant density tolerance in maize

    Potts, SarahUniversity of Illinois at Urbana-Champaign2014

    … plant densities for the objective of identifying quantitative trait loci (QTL) and candidate genes for plant density tolerance. Yield trials were grown at a high plant density of 116,140 plants ha-1 (47,000 plants per acre [ppA]), and planted in five environments over 2012 and 2013. Grain yield …

    uiuc Repository record

  18. Validation of Loci Conferring Adult Plant Resistance to Powdery Mildew in Wheat Cultivar Massey and Identification of Diagnostic Molecular Markers

    Sikes, Tiffany RochelleVirginia Tech2014

    … resistance is easily overcome by the pathogen. Traits associated with quantitative trait loci (QTL) such as adult-plant resistance (APR), have become popular with plant breeders because of their durability over a wide geographic range and time. Due to the quantitative nature of these genes, they …

    vt Repository record

  19. Cluster analysis of soybean pathogen-responsive genes and functional characterization in Arabidopsis

    He, YanyuUniversity of Illinois at Urbana-Champaign2013

    … genes, and therefore defense is controlled by quantitative trait loci (QTL). To understand plant defense and the genes involved, patterns of gene expression were used to identify genes that tend to be coordinately regulated across multiple disease reactions. Hierarchical clustering of soybean …

    uiuc Repository record

  20. Genetic Regulation of Intrinsic Endurance Exercise Capacity in Mice

    Courtney, Sean M.2013

    … experiments were designed to identify: 1) Novel quantitative trait loci (QTL) for endurance exercise capacity in 34 strains of inbred mice using genome-wide association mapping. 2) The effect of chromosome substitution on endurance exercise capacity using linkage analysis in F2 mice. 3) The …

    tdl Repository record

Page 1 of 7