This study was
conducted to examine the physicochemical characteristics and perform QTL
mapping of genetic factors associated with the lipid content of rice. A rice
strain with a high lipid content, “P31-2-2-2-B-B”, was developed from
mutants of “Dongjin” created by T-DNA insertion.The lipid
content of “P31-2-2-2-B-B” brown rice was 4.42% whereas that of
the donor cultivar “Dongjin” was 2.56%. The total fatty acid
content of the high-lipid mutant brown rice was 7.82% and that of “Dongjin” was 3.43%. The
unsaturated fatty acid composition of the mutant brown rice was 2.73% oleic acid,
2.74% linoleic acid, and 0.34% linolenic acid.In contrast, the fatty
acid composition of the donor cultivar “Dongjin” was 1.30%
oleic acid and 0.99% linoleic acid. The percentage of unsaturated fatty acid to
total fatty acid in the high-lipid mutant was higher
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