Title: "Ionomic QTL analysis in Arabidopsis thaliana"
Speaker: Tilman Achberger, Department of Statistics, Purdue University
Place: HORT 117; December 1, 2009; Tuesday, 4:30pm


Much effort has been made in recent years by biologists, computer scientists, statisticians and others in the study the plant model organism Arabidopsis thaliana. One such mechanism for studying complex processes in Arabidopsis thaliana is the study of its uptake of mineral nutrient levels, such as calcium, sodium, potassium and sulfur. The study of an organism's mineral nutrient levels is the study of its ionome. Finding genetic determinants of complex traits, such as ionomic traits, can be done by performing QTL mapping, a common statistical method used to locate chromosomal regions associated with the trait of interest. In this talk I will provide a general overview of QTL mapping, with particular emphasis on its application to ionomic data on a population of 411 Recombinant Inbred Lines (RIL) from a cross between the accessions Bay-0 and Shahdara collected by Dr. David E. Salt's lab at Purdue University.

Recommended Reading:

Artak Ghandilyan, et al. A strong effect of growth medium and organ type on the identification of QTLs for phytate and mineral concentrations in three Arabidopsis thaliana RIL populations. Journal of Experimental Botany. 2009, Vol. 60, No. 5, p. 1409-1425.

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