Allelic variation of row type gene Vrs1 in barley and implication of the functional divergence
2009
Saisho, D., Okayama Univ., Kurashiki (Japan). Research Inst. for Bioresources | Pourkheirandish, M. | Kanamori, H. | Matsumoto, T. | Komatsuda, T.
Domesticated barleys produce either two- or six- rowed spikes, whereas their immediate wild ancestor, wild barley, is monomorphic for the two-rowed type. The six-rowed spike is a recessive character, conditioned by a major gene at the vrs1 locus. The wild-type (two-rowed) gene includes a homeodomain-leucine zipper I (HD-Zip I) sequence (HvHox1). The correspondence between peptide sequence and some spike variants was studied by re-sequencing the HvHox1 sequence across a large sample of both wild and domesticated accessions.
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