Drought stress during soybean seed filling affects storage compounds through regulation of lipid and protein metabolism

Andressa C.S. Nakagawa, Haruka Itoyama, Yuri Ariyoshi, Nobuyuki Ario, Yuki Tomita, Yukari Kondo, Mari Iwaya-Inoue, Yushi Ishibashi

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

Soybean seeds have high lipid and protein contents. Adverse environmental conditions restrict seed yield and quality. We examined the changes in storage compounds caused by drought stress from R5 stage (beginning seed growth stage). Under drought stress, contents of lipid in seed were remarkably low compared to control at 24 and 29 days after treatment. Protein contents in seed were immediately decreased after water deficit treatment. On the other hand, soluble sugar contents in seed were increased by drought stress. Drought stress decreased the expression of genes involved in lipid biosynthesis (PK, BCCP2, and KAS1) and increased the genes expression involved in lipid degradation (ACX2, MS, and PEPCK). These results suggest that the increasing of sugar content in seed under drought stress was complemented by degradation of lipids. The expressions of genes encoding storage protein (Gy4 and β-conglycinin) were also decreased by drought stress. This study showed how drought stress during seed filling affects seed quality, especially lipid and protein contents, that may facilitate further research on seed storage compounds metabolism under environmental stresses.

元の言語英語
記事番号111
ジャーナルActa Physiologiae Plantarum
40
発行部数6
DOI
出版物ステータス出版済み - 6 1 2018

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Droughts
protein metabolism
filling period
Lipid Metabolism
Soybeans
lipid metabolism
Seeds
water stress
soybeans
seeds
Proteins
Lipids
lipid content
protein content
seed quality
sugar content
gene expression
lipids
Gene Expression
degradation

All Science Journal Classification (ASJC) codes

  • Physiology
  • Agronomy and Crop Science
  • Plant Science

これを引用

Drought stress during soybean seed filling affects storage compounds through regulation of lipid and protein metabolism. / Nakagawa, Andressa C.S.; Itoyama, Haruka; Ariyoshi, Yuri; Ario, Nobuyuki; Tomita, Yuki; Kondo, Yukari; Iwaya-Inoue, Mari; Ishibashi, Yushi.

:: Acta Physiologiae Plantarum, 巻 40, 番号 6, 111, 01.06.2018.

研究成果: ジャーナルへの寄稿記事

Nakagawa, Andressa C.S. ; Itoyama, Haruka ; Ariyoshi, Yuri ; Ario, Nobuyuki ; Tomita, Yuki ; Kondo, Yukari ; Iwaya-Inoue, Mari ; Ishibashi, Yushi. / Drought stress during soybean seed filling affects storage compounds through regulation of lipid and protein metabolism. :: Acta Physiologiae Plantarum. 2018 ; 巻 40, 番号 6.
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abstract = "Soybean seeds have high lipid and protein contents. Adverse environmental conditions restrict seed yield and quality. We examined the changes in storage compounds caused by drought stress from R5 stage (beginning seed growth stage). Under drought stress, contents of lipid in seed were remarkably low compared to control at 24 and 29 days after treatment. Protein contents in seed were immediately decreased after water deficit treatment. On the other hand, soluble sugar contents in seed were increased by drought stress. Drought stress decreased the expression of genes involved in lipid biosynthesis (PK, BCCP2, and KAS1) and increased the genes expression involved in lipid degradation (ACX2, MS, and PEPCK). These results suggest that the increasing of sugar content in seed under drought stress was complemented by degradation of lipids. The expressions of genes encoding storage protein (Gy4 and β-conglycinin) were also decreased by drought stress. This study showed how drought stress during seed filling affects seed quality, especially lipid and protein contents, that may facilitate further research on seed storage compounds metabolism under environmental stresses.",
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AU - Ariyoshi, Yuri

AU - Ario, Nobuyuki

AU - Tomita, Yuki

AU - Kondo, Yukari

AU - Iwaya-Inoue, Mari

AU - Ishibashi, Yushi

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