Summary
Genetic changes induced by grafting were observed in soybean storage proteins, involving the 11S acidic subunit composition and Kunitz trypsin inhibitor. Changes from Gly 1 Gly 1to Gly 1 gly 1involved the 11S acidic subunit, and those from Ti 0Ti0 to Ti 3Ti0 involved the KTI in the first progeny (G1S1) in the scion (Gly 1 Gly 1 Ti 0Ti0, var. Kinzu) grafted onto var. Raiden (gly 1 gly 1 Ti 3 Ti 3). The progenies G1S2 and G2S1 from the seeds that had been changed segregated for both proteins. However, the segregation ratio in the progenies were different from those of the F2's from the sexual crosses between Kinzu and Raiden used for grafting. These findings show that the changes (changed genes) were transmitted to the progenies in an unstable manner.
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Hirata, Y., Yagishita, N. Graft-induced changes in soybean storage proteins. I. Appearance of the changes. Euphytica 35, 395–401 (1986). https://doi.org/10.1007/BF00021847
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DOI: https://doi.org/10.1007/BF00021847