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ARS Home » Midwest Area » Columbia, Missouri » Plant Genetics Research » Research » Publications at this Location » Publication #126787
Title: QUANTITATIVE TRAIT LOCI AND METABOLIC PATHWAYS: THE GENETIC CONTROL OF CORNEARWORM RESISTANCE FACTORS IN MAIZE

Author
item McMullen, Michael
item SNOOK, M - UNIV OF GEORGIA/ATHENS GA
item Guill, Katherine
item SZALMA, S - UNIV OF MISSOURI-COLUMBIA
item BUSHMAN, S - UNIV OF MISSOURI/COLUMBIA

Submitted to: Symposium Proceedings
Publication Type: Proceedings
Publication Acceptance Date: 11/10/2001
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: For most traits, genetic and biochemical information on metabolic pathways is extremely limited, and therefore, it is difficult to interpret quantitative trait locus results in terms of regulatory and structural genes, duplicate function loci, feedback inhibition, branched pathways, or or other phenomena affecting trait expression. We have exploited a unique research system to analyze the genetic control of a quantitative trait of economic importance (antibiosis to the corn earworm) and to interpret the results in terms of the well-characterized flavonoid and phenylpropanoid pathways. From these studies, we have documented a number of fundamental genetic mechanisms for the genetic control ofquantitative traits.