Isolation and characterization of induced mutants in the gene associated with seed cadmium accumulation in soybean

Food contamination by cadmium (Cd) is a serious threat to human health. Thus, it is imperative to prevent Cd accumulation in staple crops like soybean. The development of low Cd accumulating cultivars is an effective solution. To this end, it is essential to identify the gene(s) controlling seed Cd...

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Publié dans:Breeding science. - 1998. - 69(2019), 2 vom: 26. Juni, Seite 345-351
Auteur principal: Hirata, Kaori (Auteur)
Autres auteurs: Takagi, Kyoko, Yamada, Tetsuya, Sayama, Takashi, Anai, Toyoaki, Kikuchi, Akio, Ishimoto, Masao
Format: Article en ligne
Langue:English
Publié: 2019
Accès à la collection:Breeding science
Sujets:Journal Article GmHMA3 amino acid substitution cadmium (Cd) mutant soybean
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520 |a Food contamination by cadmium (Cd) is a serious threat to human health. Thus, it is imperative to prevent Cd accumulation in staple crops like soybean. The development of low Cd accumulating cultivars is an effective solution. To this end, it is essential to identify the gene(s) controlling seed Cd accumulation. Although Glyma.09G055600 (GmHMA3) seems to be associated with Cd accumulation in soybean, it has not been established if it is responsible for seed Cd accumulation. In the present study, the effect of GmHMA3 on seed Cd accumulation in soybean was validated using three independent GmHMA3 mutants isolated from an ethyl methanesulfonate-induced soybean mutant library. Each of mutant had an amino acid substitution in GmHMA3 and segregating progenies were developed by crossing the original cultivar with each of the three mutants. The relationship between these three mutations and seed Cd accumulation was investigated. While two of them significantly increased seed Cd accumulation corresponding to previous reports of a natural missense mutation in GmHMA3, the other slightly decreased seed Cd accumulation. Overall, these results indicate that GmHMA3 is responsible for seed Cd accumulation in soybean 
650 4 |a Journal Article 
650 4 |a GmHMA3 
650 4 |a amino acid substitution 
650 4 |a cadmium (Cd) 
650 4 |a mutant 
650 4 |a soybean 
700 1 |a Takagi, Kyoko  |e verfasserin  |4 aut 
700 1 |a Yamada, Tetsuya  |e verfasserin  |4 aut 
700 1 |a Sayama, Takashi  |e verfasserin  |4 aut 
700 1 |a Anai, Toyoaki  |e verfasserin  |4 aut 
700 1 |a Kikuchi, Akio  |e verfasserin  |4 aut 
700 1 |a Ishimoto, Masao  |e verfasserin  |4 aut 
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773 1 8 |g volume:69  |g year:2019  |g number:2  |g day:26  |g month:06  |g pages:345-351 
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