Heterosis

An expression profiling analysis of hybrid millet and its parents at grain filling stage

Z. H. Liu, Zhang, H. M., Li, G. L., Zhang, Y. M., Li, H. C., and Guo, X. L., An expression profiling analysis of hybrid millet and its parents at grain filling stage, vol. 14, pp. 7821-7832, 2015.

Heterosis has been widely used in crop breeding and production. However, a shortage of genes known to function in heterosis significantly limits our understanding of the molecular basis underlying heterosis. Here, we report 740 differentially expressed genes (DEGs) in the leaves of the hybrid millet Zhang No.5 and its parents at the grain filling stage determined using Solexa Illumina digital gene expression. Of the 740 DEGs, 546 were from the hybrid and its parents and most were up-regulated in the hybrid.

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