Genome-wide analysis of heterosis-related genes in non-heading Chinese cabbage
作者： Hankuil Yi , Jeongyeo Lee , Hayong Song , Xiangshu Dong , Yoonkang Hur
DOI: 10.5010/JPB.2017.44.3.208
关键词:
摘要: Heterosis or hybrid vigor describes a phenomenon that superior phenotypes compared to the two parents are observed in heterozygous F1-hybrid plants. Identification and characterization of heterosis-related genes (HRGs) will facilitate breeding crops. To identify HRGs Brassica rapa, we analyzed transcriptome profiling using Br300K microarray non-heading Chinese cabbage at three developmental stages. A large number were differentially expressed F1 hybrids non-additive expression was prominent. Genes specifically for all stages Brassica-specific uncharacterized several defense-related genes. Expression photosynthesis- stress-related also hybrid-specific. Thirteen NBS-LRR class showed high specific Shulu: some them characterized as defense Arabidopsis, but most have not been. Further these species its application be helpful understanding role responses heterosis. In addition, results obtained this study valuable develop molecular markers heterosis disease resistance B. rapa.
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