Fig. 2: Variants and haplotypes of OsTb2.
From: Neo-functionalization of a Teosinte branched 1 homologue mediates adaptations of upland rice

a Structure and polymorphic sites of OsTb2. Two indels and seven SNPs were found in the OsTb2 gene. Indel I and SNP3 (bold with asterisk) are both significantly associated with tiller numbers. b Indel I and/or SNP3 in the OsTb2 gene may be functional variants for which three haplotypes were observed in the germplasm. The 3bp-/T haplotype is present in indica and wild rice, and thus likely to be the ancestral haplotype. The 3bp+/T haplotype is mainly found in irrigated japonica, and the 3bp+/C haplotype is specific to upland japonica, consistent with the evolutionary viewpoint that upland japonica evolved from irrigated japonica.