Figure 6
Sequence alignment of the 20 first amino acids of a subset of FT-B1 homologs including the homoeologues on chromosome 7A and 7D. The wheat reference sequence (Chinese Spring), the sequences of the two parental lines, and FT-B1 homologs in diverse species viz. Hordeum vulgare, Brachypodium distachyon, Oryza sativa, Zea mays, and Arabidopsis thaliana. The blue arrow indicates the position of the aspartic acid (D) to histidine (H) mutation present in the parent A and associated with elevated total spikelet number. The amino acids are color coded according to their side chain polarity with nonpolar (gold), polar (green), basic polar (blue), and acidic polar (red).
