Genetic and Quantitative Trait Locus Analysis for Bio-Oil Compounds after Fast Pyrolysis in Maize Cobs

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2016-01-01
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Lubberstedt, Thomas
Jeffery, Brandon
Lubberstedt, Thomas
Kuzhiyil, Najeeb
de Leon, Natalia
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Agronomy
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Agronomy
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Fast pyrolysis has been identified as one of the biorenewable conversion platforms that could be a part of an alternative energy future, but it has not yet received the same attention as cellulosic ethanol in the analysis of genetic inheritance within potential feedstocks such as maize. Ten bio-oil compounds were measured via pyrolysis/gas chromatography-mass spectrometry (Py/GC-MS) in maize cobs. 184 recombinant inbred lines (RILs) of the intermated B73 x Mo17 (IBM) Syn4 population were analyzed in two environments, using 1339 markers, for quantitative trait locus (QTL) mapping. QTL mapping was performed using composite interval mapping with significance thresholds established by 1000 permutations at α = 0.05. 50 QTL were found in total across those ten traits with R2 values ranging from 1.7 to 5.8%, indicating a complex quantitative inheritance of these traits.

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This article is published as Jeffrey, Brandon, Najeeb Kuzhiyil, Natalia de Leon, and Thomas Lübberstedt. "Genetic and Quantitative Trait Locus Analysis for Bio-Oil Compounds after Fast Pyrolysis in Maize Cobs." PloS one 11, no. 1 (2016): e0145845. 10.1371/journal.pone.0145845. Posted with permission.

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