Characterization of the rice glup4 mutant suggests a role for the small GTPase Rab5 in the biosynthesis of carbon and nitrogen storage reserves in developing endosperm

Kelly A. Doroshenk, Andrew J. Crofts, Haruhiko Washida, Mio Satoh-Cruz, Naoko Crofts, Aya Sugino, Thomas W. Okita, Robert T. Morris, John J. Wyrick, Masako Fukuda, Toshihiro Kumamaru, Hikaru Satoh

研究成果: ジャーナルへの寄稿記事

15 引用 (Scopus)

抄録

Rice is unique among plants in that it accumulates major amounts of two types of seed storage proteins, prolamines and glutelins, which along with starch, serve as sources of carbon and nitrogen for the postgerminative seedling. Here, we investigate the role of the small GTPase Rab5 in the biosynthesis of storage proteins through characterization of the loss-of-function mutant glup4. In situ RT-PCR and fluorescence microscopy revealed the glup4 mutant is impaired in glutelin mRNA localization to the cortical endoplasmic reticulum in developing endosperm cells. Furthermore, microarray and two-dimensional difference in gel electrophoresis analysis of transcript and protein abundance, respectively, identified a number of genes whose expression is affected by the loss of Rab5, including starch biosynthetic enzymes. Our results indicate Rab5 is important for RNA and protein sorting in rice seed and supports previous observations that the biosynthesis of starch and storage proteins may be interrelated.

元の言語英語
ページ(範囲)556-567
ページ数12
ジャーナルBreeding Science
60
発行部数5
DOI
出版物ステータス出版済み - 12 1 2010

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Endosperm
Monomeric GTP-Binding Proteins
guanosinetriphosphatase
Starch
endosperm
glutelins
Nitrogen
Carbon
Glutens
biosynthesis
starch
storage proteins
rice
mutants
carbon
nitrogen
RNA Transport
Seed Storage Proteins
Two-Dimensional Difference Gel Electrophoresis
Phenylpropanolamine

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Genetics
  • Plant Science

これを引用

Characterization of the rice glup4 mutant suggests a role for the small GTPase Rab5 in the biosynthesis of carbon and nitrogen storage reserves in developing endosperm. / Doroshenk, Kelly A.; Crofts, Andrew J.; Washida, Haruhiko; Satoh-Cruz, Mio; Crofts, Naoko; Sugino, Aya; Okita, Thomas W.; Morris, Robert T.; Wyrick, John J.; Fukuda, Masako; Kumamaru, Toshihiro; Satoh, Hikaru.

:: Breeding Science, 巻 60, 番号 5, 01.12.2010, p. 556-567.

研究成果: ジャーナルへの寄稿記事

Doroshenk, KA, Crofts, AJ, Washida, H, Satoh-Cruz, M, Crofts, N, Sugino, A, Okita, TW, Morris, RT, Wyrick, JJ, Fukuda, M, Kumamaru, T & Satoh, H 2010, 'Characterization of the rice glup4 mutant suggests a role for the small GTPase Rab5 in the biosynthesis of carbon and nitrogen storage reserves in developing endosperm', Breeding Science, 巻. 60, 番号 5, pp. 556-567. https://doi.org/10.1270/jsbbs.60.556
Doroshenk, Kelly A. ; Crofts, Andrew J. ; Washida, Haruhiko ; Satoh-Cruz, Mio ; Crofts, Naoko ; Sugino, Aya ; Okita, Thomas W. ; Morris, Robert T. ; Wyrick, John J. ; Fukuda, Masako ; Kumamaru, Toshihiro ; Satoh, Hikaru. / Characterization of the rice glup4 mutant suggests a role for the small GTPase Rab5 in the biosynthesis of carbon and nitrogen storage reserves in developing endosperm. :: Breeding Science. 2010 ; 巻 60, 番号 5. pp. 556-567.
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abstract = "Rice is unique among plants in that it accumulates major amounts of two types of seed storage proteins, prolamines and glutelins, which along with starch, serve as sources of carbon and nitrogen for the postgerminative seedling. Here, we investigate the role of the small GTPase Rab5 in the biosynthesis of storage proteins through characterization of the loss-of-function mutant glup4. In situ RT-PCR and fluorescence microscopy revealed the glup4 mutant is impaired in glutelin mRNA localization to the cortical endoplasmic reticulum in developing endosperm cells. Furthermore, microarray and two-dimensional difference in gel electrophoresis analysis of transcript and protein abundance, respectively, identified a number of genes whose expression is affected by the loss of Rab5, including starch biosynthetic enzymes. Our results indicate Rab5 is important for RNA and protein sorting in rice seed and supports previous observations that the biosynthesis of starch and storage proteins may be interrelated.",
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