Isolation of three dormancy QTLs as Mendelian factors in rice

Article Abstract:

The chromosomal regions containing the dormancy QTLs qSD1, qSD7-1, and qSD12 are introduced from an accession of weedy rice into a nondormant genetic background to examine component genetic effects and their interactions with time of afterripening (DAR) and a BC2F2 plant was selected to develop the BC4F3 population. Single point analysis detected only qSD7-1 and qSD12 at 10, 30, and 50 DAR in the population, however multiple linear regression analysis detected genetic effects of the three QTLs.

United States, Rice, Rice Farming, Genetic aspects, Mendel's law, Mendel's laws

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Bayesian mapping of genotype x expression interactions in quantitative and qualitative traits

Article Abstract:

A novel Bayesian gene mapping method, which can simultaneously utilize both molecular marker and gene expression data, is described enabling a quantitative and qualitative phenotype to be expressed as a linear combination of the marker genotype x gene expression interactions. Markov chain Monte Carlo sampling is used to estimate the parameters and the handling of missing genotype or expression data and this method is applied to a real yeast data set with known pathways.

Gene expression, Chromosome mapping

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