[PDF] Top 20 The role of heritability in mapping expression quantitative trait loci

... 3554 expression profile traits together with marker data on 2819 autosomal single-nucleotide poly- morphisms (SNPs) from the 14 CEPH families, consisting of 194 individuals, provided by ...[9]. Heritability ... See full document

... the expression correlations as described in the Methods on the trans-hub at ...26 expression phenotypes were identified, of which 9 overlap with the original 24 expres- sion phenotypes mapping to the ... See full document

... ity, and the population size. Two parents were simulated each parent. A QTL was positioned halfway between initially and these were crossed to give a population of the first and second codominant markers for each con- ... See full document

... interval mapping, a very common ...quan- loci that influence life span. That information can then titative trait locus (QTL) mapping should be applied provide a basis for more detailed, ... See full document

... the trait value of an individual is assumed to be determined by a major gene, random polygenic, and environmental effects and ...between trait values of a pair of relatives is an increasing function of the ... See full document

... [2], heritability varied substantially among the transcript levels, and the median was ...by mapping the transcript levels using the SOLAR (Sequential Oligogenic Linkage Analysis Routines) software [3] to ... See full document

... gene expression data can be obtained; for example, creQTL mapping in mice would allow the study of gene regula- tion in many disease models and in normal biological processes such as development, which are ... See full document

... multiple quantitative trait loci (QTL) mapping built upon a Bayesian framework that incorporates the important prior information that most genotypic markers are not cotransmitted with a QTL or ... See full document

... this analysis led to detection of an additional 12 cis-acting eQTLs (15 in total). Without laboratory-based validation, it is difficult to conclude whether partitioning the data in this way can increase power of ... See full document

... size, heritability level, and of markers throughout the entire genome, markers are parental-population composition affect the accuracy chosen as cofactors only throughout a single chromo- and power of parameter ... See full document

... tects a QTL and when it must be considered as a “sub- easily be 50% or more (Southey and Fernando 1998). peak” of another detecting peak, selection of cofactors, Model selection criteria are based on a philosophy ML, or ... See full document

... Interval mapping method was proposed by Lander and Botstein ...interval mapping method uses the genetic map information of the typed markers to detect and locate QTL by scanning each location in the ... See full document

... lbf Lammas (second) flush ( Julian date) A QTL scan was performed for each treatment combination plf Proportion of trees that had lammas flush (%) [e.g., six separate genome scans for the growth initiation exper- ebf ... See full document

... SNP) heritability” (Yang et ...of quantitative traits based on ...“missing heritability” (Maher ...missing heritability was due to genes of small effect that could not be detected as ... See full document

... Varying coefficient models are very useful statistical tools for exploring dynamic effects. The varying coefficient models were introduced by Cleveland et al. (1991), and discussed by Hastie and Tibshirani (1993) in more ... See full document

... proximation to the LOD score. The LOD score, the Haley-Knott approximation, and the LPD will coincide 0.41. This is inconclusive evidence but it favors the sin- at locations where there is complete genotype informa- ... See full document

... agronomic trait that influences the yield and milling quality of ...QTL loci of the thousand gain weight were screened out with the aid of QTL network ...These loci included qTgw1B ...effect ... See full document

... selection of markers near the putative QTL. In the pres- background by using penalized likelihood methods. ent form, if the moving QTL gets close to a marker, say We thank Marco Bink, Bas Engel, and Paul Goedhart for ... See full document

... QTL mapping methods applied to bacteria counts and concluded that the power of parametric QTL mapping methods is strongly reduced if raw bacteria counts are ... See full document

... QTL mapping methods for the data on survival time following infection with Listeria monocytogenes in 116 intercross mice. The P-values for the pro- posed method are based on 100,000 normal sam- ples. In the region ... See full document