Genetic Characterization of a Novel Soybean Kunitz Trypsin Inhibitor.
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- Wang Ke-Jing
- Faculty of Agriculture, Iwate University Present address: Institute of Crop Germplasm Resources, Chinese Academy of Agricultural Science
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- Takahata Yoshihito
- Faculty of Agriculture, Iwate University
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- Ito Kikukatsu
- Faculty of Agriculture, Iwate University
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- Zhao Yun-Peng
- Faculty of Agriculture, Iwate University
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- Tsutsumi Ken-ichi
- Faculty of Agriculture, Iwate University
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- Kaizuma Norihiko
- Faculty of Agriculture, Iwate University
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Genetic and nucleotide sequence studies were performed on a new variant of soybean Kunitz trypsin inhibitor (SKTI) detected in wild soybean (Glycine soja) and showing a slightly slower electrophoretic mobility than the Tia type. The segregation analysis of SKTI bands in F2 seeds from crosses of the new variant type with Tia or Tib type showed that the variant type is controlled by an allele codominant to Tia and Tib at an SKTI locus. Nucleotide sequence analysis showed that this variant has 217 amino acids composed of 181 amino acid residues of mature SKTI and extra 25 and 11 amino acids at N- and C-terminal regions, respectively. This sequence was identical to that of Tia (=KTi3), except that a G→A transitional mutation occurred at position 500 of Tia, which results in the translational change from Arg to Lys. The result of isoelectric forcusing-PAGE coincided with this change. In addition, three nucleotides GCT were inserted at the N-terminus, which leads to an Ala addition in the precursor of this SKTI protein. From these results, we propose the genetic symbol Tie for the new variant of SKTI.
収録刊行物
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- Breeding Science
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Breeding Science 51 (3), 185-190, 2001
日本育種学会
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詳細情報 詳細情報について
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- CRID
- 1390282679700772864
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- NII論文ID
- 130004145853
- 110001808098
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- NII書誌ID
- AA11317194
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- ISSN
- 13473735
- 13447610
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- NDL書誌ID
- 5894979
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
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