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Table 3 Tissues and genes that showed higher variation as a result of wheat and rice diversification

From: Assessment of adaptive evolution between wheat and rice as deduced from full-length common wheat cDNA sequence data and expression patterns

Tissue or treatment

No. of genes*

Function controlled by gene

Root

16 (6)

Signal response related to environmental stress (2 genes)

  

Redox in response to stimuli (2 genes)

  

Transcription factors regulated by stress (2 genes)

Spike at booting stage

12 (4)

Lipid-related proteins modulated in developing seeds (2 genes)

  

Redox in photosynthesis and respiration (2 genes)

Spike at flowering

15 (11)

Stress related (4 genes)

  

Nucleic acid binding protein (2 genes)

  

Signal transduction (1 gene)

  

Epigenetic regulation (1 gene)

  

Tissue or stage specific proteins (2 genes)

  

Proteinase inhibitor (1 gene)

Seed at 30 DPA**

16 (10)

Plant stress defense proteins (6 genes)

  

Stress-response proteins expressed during seed maturation (3 genes)

  

Tissue or stage specific protein (1 gene)

Seedling with cold treatment

9 (4)

Stress related (2 genes)

  

Polysaccharide-related protein (1 gene)

  

Lipid-related protein (1 gene)

Desiccated seedling

9 (4)

Chaperon (1 gene)

  

Stress related (1 gene)

  

Senescence related (1 gene)

  

Photosystem II related (1 gene)

Ubiquitous***

25 (25)

Ubiquitin, tubulin subunits, proteasome subunits, histones, translation-related proteins, signal transduction-related protein ATPase

  1. *Number of genes showing Ka/Ks ratio higher than 0.5 are listed. In the case of ubiquitous genes, only those with a ratio less than 0.05 are listed. The number of genes annotated are given in parentheses.
  2. **DPA: Days post-anthesis.
  3. *** Ubiquitous genes are also listed for reference.