13 Composite QTL Mapping - Springer
Lander and Botstein's interval method has an advantage for mapping QTLs genome- ... on the same linkage group because it makes use of one single- marker ... by Zeng (1993, 1994) and Jansen and Stam (1994), removes some of the ...
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Multiple Interval Mapping for Quantitative Trait Loci
A new statistical method for mapping quantitative trait loci (QTL), called multiple interval mapping ... (1993) and Zeng (1993, 1994) independently proposed. QTL ...
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Precision Mapping of Quantitative Trait Loci
QTL mapping method (i. e., the interval mapping method which uses a pair or two pairs of markers for mapping QTLs), this method has several advantages. ... Genetics 136: 1457-1468 (April, 1994) ... over, ZENG (1993) proposed to utilize these properties to ..... in adjacent marker intervals when using this composite.
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Introduction to Quantitative Trait Locus (QTL) Mapping Summer
Session 3: Introduction to QTL detection, single marker QTL analysis, linkage analysis. Session .... Composite Interval Mapping (Jansen 1993; Zeng 1993, 1994).
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An introduction to markers, quantitative trait loci (QTL) mapping and
Feb 2, 2005 ... CIM: composite interval mapping; cM: centiMorgan; DH: doubled haploid; EST: expressed sequence tag; SIM: ... by a single gene) and quantitative traits using QTL .... However, despite these limitations, morphological and ... the technical method of how DNA markers are gen- ..... 1994; Zeng, 1993, 1994).
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Bayesian QTL Mapping - Biostatistics
Single QTL Mapping. Single marker analysis (Sax, 1923 Genetics) ... Composite interval mapping (Zeng 1993 PNAS, 1994 Genetics;. Jansen & Stam ... Single QTL interval mapping. Ghost QTL ... Limitations of existing QTL mapping methods .
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Marker Pair Selection for Mapping Quantitative Trait Loci - NCBI
that flanking markers absorb all information on isolated QTL. ... markers can be used as cofactors in composite interval mapping (CIM). ... methods are interval mapping (IM; Lander and ... is that there is no single true model, because there is tors in a multiple regression framework (Zeng 1993; ... Jansen and Stam 1994).
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mapping and analysis of quantitative trait loci in experimental
Through the limitations of the technology, this results ... Simple statistical methods for the study of quantitative trait loci (QTL), such as analysis of ..... between the single-marker analysis, and interval and composite interval mapping, ... Zhao- Bang Zeng in 1993 and, similarly, multiple QTL ..... Genetics 136, 1457–1468 ( 1994).
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Dissecting complex physiological functions through the use of
general limitation is that only one (or exceptionally two) .... Marker 2. Genotype I Genotype II. Low allele. QTL mapping methods. Single segregating .... QTLCartographer, developed by the group of Zeng in ... mapping and composite interval mapping methods using ... (Jansen, 1993; Jansen and Stam, 1994) called Multiple.
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Download PDF - International Journal of Development Research
Jan 26, 2015 ... The basic knowledge about DNA markers, principle of QTL mapping, statistical tools .... With each population type possessing advantages and ... method for detecting QTL associate with single markers. ... CIM was developed by Zeng ( 1993; ... researchers have used QTL Cartographer (Basten et al., 1994;.
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mapping qtl with covariates - New Prairie Press
We address the limitation of ... method for QTL analysis; however, this model fails to include fixed factors ... additional covariates, along with markers covariates. .... composite interval mapping (Jansen 1993; Zeng 1993; 1994), where the mean .... backcross simulation that included no QTL, a single covariate with an effect of ...
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Bayesian QTL Mapping in Inbred and Outbred - E-thesis
Jan 31, 2000 ... val mapping and composite interval mapping methods in ... compares classical and Bayesian QTL mapping methods when they are ... In principle, a single- marker (two-point) QTL analysis may be ... as a MQM (Jansen 1993; Zeng 1993, 1994; Jansen and Stam 1994; ..... A real advantage of the Bayesian.
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Inglés (pdf) - SciELO
Sep 15, 2010 ... Many QTL mapping studies conducted in the last two decades identified QTLs ... marker-trait association analysis using different statistical methods and software as ... Consequently, several QTLs regulate the expression of a single ..... 1993). However, both F2 and BC populations have three limitations.
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Characterization of the antiyeast compound and probiotic - cimmyt
Sep 15, 2010 ... marker-trait association analysis using different statistical methods and software ... If fruit size, for example, is controlled by a single gene with alleles “s” for .... of the various issues related to the two QTL mapping methods and their future ... 1993). However, both F2 and BC populations have three limitations.
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Quantitative trait loci (QTL) analysis of flag leaf senescence in wheat
Jul 10, 2012 ... composite interval mapping (CIM), quantitative trait loci (QTL). INTRODUCTION ... interval mapping; SMR, single marker regression; SSR,.
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Challenges for QTL Analysis in Crops
The oldest method is single marker analysis. ... mapping (Jansen 1993; Zeng 1994), multi-trait mapping analysis (Jiang and Zeng 1995), ... interval mapping based on Least Squares estimation (Wu 1996), composite interval mapping based .... gene approach, it gains obvious advantages over the map-based method.
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Quantitative genetics - Penn State University
Composite Method for QTL Mapping. Zeng (1993, 1994). Limitations of single marker analysis. Limitations of interval mapping. • The test statistic on one interval ...
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dlmap: An R Package for Mixed Model QTL and Association Analysis
Aug 8, 2012 ... Initial methods tested for association at individual markers (Soller ... Perhaps the most common form of QTL mapping now is composite interval mapping. (Zeng 1993; Jansen 1993) and its many variants (e.g., Kao, Zeng, ... initially presented as a QTL mapping method for the analysis of data ...... (86.6, 94).
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Tutorial - Multiple-QTL Mapping (MQM) Analysis for R/qtl
Oct 27, 2014 ... Multiple QTL Mapping (MQM) provides a sensitive approach for ... implementation of R/qtl-MQM has the following limitations: (1) MQM is ... 1MQM should not be confused with composite interval mapping ... In contrast, the imputation method ..... Figures 6 and 7 show the effect of setting a single marker as a ...
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Marker-trait-sensor association in a multi-parent advanced
Oct 25, 2013 ... advantages and disadvantages when applied to a multi-parent population, and ... aller QTL mit Marker*Bewässerung-Interaktion waren nicht ...... (1) The statistical methods for single-marker analysis include t-test, ... (3) Composite interval mapping (Jansen, 1993; Rodolphe and Lefort, 1993; Zeng, 1994).
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