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Open Access Research article

Global transgenerational gene expression dynamics in two newly synthesized allohexaploid wheat (Triticum aestivum) lines

Bao Qi14, Wei Huang2, Bo Zhu1, Xiaofang Zhong1, Jianhua Guo2, Na Zhao14, Chunming Xu1, Huakun Zhang1, Jinsong Pang1, Fangpu Han3 and Bao Liu1*

Author Affiliations

1 Key Laboratory of Molecular Epigenetics of MOE and Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China

2 Key Laboratory of Applied Statistics of MOE, Northeast Normal University, Changchun 130024, China

3 Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 101110, China

4 Department of Agronomy, Jilin Agricultural University, Changchun 130118, China

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BMC Biology 2012, 10:3  doi:10.1186/1741-7007-10-3

Published: 26 January 2012

Additional files

Additional file 1:

Additional Table 1. Transcriptomic divergence between the tetraploid and diploid parental species, Triticum turgidum and Aegilops tauschii.

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Additional file 2:

Additional Figure 1. Venn diagrams illustrating the number and proportion (%) of differentially expressed genes between the parental species for each of the allohexaploid wheat lines (Allo-AT5 and Allo-AT9) that are common between the two parental species pairs (TTR04 vs. TQ27 and TTH01 vs. TQ27, respectively). Based on statistically tested differential expression.

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Additional file 3:

Additional Table 2. Differentially expressed genes between each of the wheat allohexaploid lines and their parental species.

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Additional file 4:

Additional Table 3. Number and percentages of parent expression bias/dominance genes in MPVs and each synthetic line.

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Additional file 5:

Additional Table 4. Gene Ontology annotation of the 147 probe set IDs (genes) that showed consistent parental dominance expression (Group III) in both nascent allohexaploid wheat lines (Allo-AT5 and Allo-AT9) at both generations (S4 and S5).

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Additional file 6:

Additional Table 5. Gene Ontology annotation of the 27 probe set IDs (genes) that showed consistent non-additive expression (Group III) in both nascent allohexaploid wheat lines (Allo-AT5 and Allo-AT9) at both generations (S4 and S5).

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Additional file 7:

Additional Table 6. Validation of the microarray data by (q)-RT-PCR.

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