期刊
THEORETICAL AND APPLIED GENETICS
卷 102, 期 6-7, 页码 793-800出版社
SPRINGER-VERLAG
DOI: 10.1007/s001220000467
关键词
EST; rice; Oryza sativa L.; quantitative trait loci (QTLs)
We have constructed a rice function map by collating the results on quantitative trait loci (QTLs) for 23 important physiological and agronomic characters (including 13 newly measured traits) obtained using backcross inbred lines of japonica Nipponbare x indica Kasalath. Using these materials, The Rice Genome project (RGP) has developed a high-density genetic map. QTLs controlling yield did not overlap with those controlling the morphological and physiological traits supposed to relate to yield, such as photosynthetic ability. This result suggests that these traits do not influence yield, at least in this genetic background and environment. QTLs controlling yield also did not overlap with the structural genes controlling carbon metabolism (rbcS, cytosolic or plastidic fructose-1,6-bisphosphate, R-enzyme, and sucrose synthase). The combination of a function map and results from the RGP can be advantageous. The utility of this map is discussed.
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