1992
DOI: 10.1007/bf00226696
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Molecular-marker-facilitated investigations of quantitative trait loci in maize

Abstract: Restriction fragment length polymorphisms have become powerful tools for genetic investigations in plant species. They allow a much greater degree of genome saturation with neutral markers than has been possible with isozymes or morphological loci. A previous investigation employed isozymes as genetic markers to infer the location of genetic factors influencing the expression of quantitative traits in the maize population: (CO159×Tx303)F2. This investigation was conducted to examine the inferences that might b… Show more

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Cited by 315 publications
(198 citation statements)
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“…In three samples, serotonin levels were associated with noncoding SNPs that account for 7 -10% of the population variance in their respective samples. Extrapolating from studies of quantitative traits in model organisms in which most QTLs have effect sizes less than 5%, 39 we predict that the ITGB3 effect sizes observed in our study contribute substantively to interindividual variation in serotonin level in multiple populations. Surprisingly, noncoding polymorphisms were more strongly associated with serotonin level than Leu33Pro in the Hutterites, Chicago controls, and the Chicago autism sample.…”
Section: Discussionsupporting
confidence: 56%
“…In three samples, serotonin levels were associated with noncoding SNPs that account for 7 -10% of the population variance in their respective samples. Extrapolating from studies of quantitative traits in model organisms in which most QTLs have effect sizes less than 5%, 39 we predict that the ITGB3 effect sizes observed in our study contribute substantively to interindividual variation in serotonin level in multiple populations. Surprisingly, noncoding polymorphisms were more strongly associated with serotonin level than Leu33Pro in the Hutterites, Chicago controls, and the Chicago autism sample.…”
Section: Discussionsupporting
confidence: 56%
“…The linkage relationship among the markers was established using the computer package MAPMAKER/EXP 3.0 (Lander et al, 1987;Lincoln et al, 1992). To test the significant associations between seed coat permeability as well as electrolyte leaching and marker loci, single factor analysis of variance was employed first as described by Edwards et al, (1987) on each pair wise combination of the traits and marker locus using the computer package SYSTAT 6.0 (SPSS Inc. USA). Associations of marker loci with QTLs were considered significant when level of significance was ≤ 0.05.…”
Section: Discussionmentioning
confidence: 99%
“…Molecular marker systems for crop plants were developed soon thereafter to create high-resolution genetic maps and exploit genetic linkage between markers and important crop traits (Edwards et al, 1987;Paterson et al, 1988). By 1996, the commercialization of transgenic crops demonstrated the successful integration of biotechnology into plant breeding and crop improvement programs (Koziel et al, 1993;Delannay et al, 1995).…”
Section: Historical Development Of Molecular Plant Breedingmentioning
confidence: 99%