Linkage group 2 (LG2)

Molecular mapping of genes for opposite leafing in maize using simple-sequence repeat markers

Y. Q. Tan, Xie, C. X., Jiang, H. Y., Ye, H., Xiang, Y., Zhu, S. W., and Cheng, B. J., Molecular mapping of genes for opposite leafing in maize using simple-sequence repeat markers, vol. 10, pp. 3472-3479, 2011.

Maize with opposite phyllotaxy (OP) and also initiating ears in opposite pairs is an aberrant mutant and also precious material for maize breeding and plant evolution studies. Mapping and identifying the markers closely linked to genes for the OP trait are essential for cloning the gene and marker-assisted selection in breeding. We established H14D, a near-isogenic line of the OP trait with H53 genetic background. We found that the OP trait is regulated by two independent dominant genes with mutually complementary relations, named Opp-1 and Opp-2.

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