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The Role of RNA Binding Protein OsTudor-SN in Post-Transcriptional Regulation of Seed Storage Proteins and Endosperm Development.

Chou HL, Tian L, Fukuda M, Kumamaru T, Okita TW.

Plant Cell Physiol. 2019 Jun 14. pii: pcz113. doi: 10.1093/pcp/pcz113. [Epub ahead of print]


The rice storage protein mRNAs as a model system for RNA localization in higher plants.

Chou HL, Tian L, Washida H, Fukuda M, Kumamaru T, Okita TW.

Plant Sci. 2019 Jul;284:203-211. doi: 10.1016/j.plantsci.2019.04.014. Epub 2019 Apr 17. Review.


Eukaryotic peptide chain release factor 1 participates in translation termination of specific cysteine-poor prolamines in rice endosperm.

Elakhdar A, Ushijima T, Fukuda M, Yamashiro N, Kawagoe Y, Kumamaru T.

Plant Sci. 2019 Apr;281:223-231. doi: 10.1016/j.plantsci.2018.12.006. Epub 2018 Dec 12.


BELL1-like homeobox genes regulate inflorescence architecture and meristem maintenance in rice.

Ikeda T, Tanaka W, Toriba T, Suzuki C, Maeno A, Tsuda K, Shiroishi T, Kurata T, Sakamoto T, Murai M, Matsusaka H, Kumamaru T, Hirano HY.

Plant J. 2019 May;98(3):465-478. doi: 10.1111/tpj.14230. Epub 2019 Mar 5.


Correction to: Genetic diversity and genetic variation in morpho-physiological traits to improve heat tolerance in Spring barley.

Sallam A, Amro A, Elakhdar A, Dawood MFA, Kumamaru T, Stephen Baenziger P.

Mol Biol Rep. 2019 Apr;46(2):2597. doi: 10.1007/s11033-018-4503-2.


Genetic diversity and genetic variation in morpho-physiological traits to improve heat tolerance in Spring barley.

Sallam A, Amro A, El-Akhdar A, Dawood MFA, Kumamaru T, Stephen Baenziger P.

Mol Biol Rep. 2018 Dec;45(6):2441-2453. doi: 10.1007/s11033-018-4410-6. Epub 2018 Nov 8. Erratum in: Mol Biol Rep. 2018 Nov 30;:.


RNA-Binding Protein RBP-P Is Required for Glutelin and Prolamine mRNA Localization in Rice Endosperm Cells.

Tian L, Chou HL, Zhang L, Hwang SK, Starkenburg SR, Doroshenk KA, Kumamaru T, Okita TW.

Plant Cell. 2018 Oct;30(10):2529-2552. doi: 10.1105/tpc.18.00321. Epub 2018 Sep 6.


A conserved motif is essential for the correct assembly of proglutelins and for their export from the endoplasmic reticulum in rice endosperm.

Tian L, Xing Y, Fukuda M, Li R, Kumamaru T, Qian D, Dong X, Qu LQ.

J Exp Bot. 2018 Oct 12;69(21):5029-5043. doi: 10.1093/jxb/ery290.


Selective sets of mRNAs localize to extracellular paramural bodies in a rice glup6 mutant.

Yang Y, Chou HL, Crofts AJ, Zhang L, Tian L, Washida H, Fukuda M, Kumamaru T, Oviedo OJ, Starkenburg SR, Okita TW.

J Exp Bot. 2018 Oct 12;69(21):5045-5058. doi: 10.1093/jxb/ery297.


Starch Synthase IIa-Deficient Mutant Rice Line Produces Endosperm Starch With Lower Gelatinization Temperature Than Japonica Rice Cultivars.

Miura S, Crofts N, Saito Y, Hosaka Y, Oitome NF, Watanabe T, Kumamaru T, Fujita N.

Front Plant Sci. 2018 May 15;9:645. doi: 10.3389/fpls.2018.00645. eCollection 2018.


Starch synthase IIIa and starch branching enzyme IIb-deficient mutant rice line ameliorates pancreatic insulin secretion in rats: screening and evaluating mutant rice lines with antidiabetic functionalities.

Tanaka Y, Takahashi K, Kato JI, Sawazaki A, Akasaka T, Fujita N, Kumamaru T, Saito Y, Shirouchi B, Sato M.

Br J Nutr. 2018 May;119(9):970-980. doi: 10.1017/S0007114518000314. Epub 2018 Mar 13.


Impairment of Lhca4, a subunit of LHCI, causes high accumulation of chlorophyll and the stay-green phenotype in rice.

Yamatani H, Kohzuma K, Nakano M, Takami T, Kato Y, Hayashi Y, Monden Y, Okumoto Y, Abe T, Kumamaru T, Tanaka A, Sakamoto W, Kusaba M.

J Exp Bot. 2018 Feb 23;69(5):1027-1035. doi: 10.1093/jxb/erx468.


Multifunctional RNA Binding Protein OsTudor-SN in Storage Protein mRNA Transport and Localization.

Chou HL, Tian L, Kumamaru T, Hamada S, Okita TW.

Plant Physiol. 2017 Dec;175(4):1608-1623. doi: 10.1104/pp.17.01388. Epub 2017 Oct 30.


Characterization of a half-pipe-like leaf1 mutant that exhibits a curled leaf phenotype.

Matsumoto H, Yasui Y, Kumamaru T, Hirano HY.

Genes Genet Syst. 2018 May 3;92(6):287-291. doi: 10.1266/ggs.17-00013. Epub 2017 Jun 30.


Population structure and marker-trait association of salt tolerance in barley (Hordeum vulgare L.).

Elakhdar A, El-Sattar MA, Amer K, Rady A, Kumamaru T.

C R Biol. 2016 Nov - Dec;339(11-12):454-461. doi: 10.1016/j.crvi.2016.06.006. Epub 2016 Sep 19.


The Dual Roles of the Golgi Transport 1 (GOT1B): RNA Localization to the Cortical Endoplasmic Reticulum and the Export of Proglutelin and α-Globulin from the Cortical ER to the Golgi.

Fukuda M, Kawagoe Y, Murakami T, Washida H, Sugino A, Nagamine A, Okita TW, Ogawa M, Kumamaru T.

Plant Cell Physiol. 2016 Nov;57(11):2380-2391. Epub 2016 Aug 26.


Genetic analysis of rice mutants responsible for narrow leaf phenotype and reduced vein number.

Kubo FC, Yasui Y, Kumamaru T, Sato Y, Hirano HY.

Genes Genet Syst. 2017 Mar 17;91(4):235-240. doi: 10.1266/ggs.16-00018. Epub 2016 Aug 12.


Development and evaluation of rice giant embryo mutants for high oil content originated from a high-yielding cultivar 'Mizuhochikara'.

Sakata M, Seno M, Matsusaka H, Takahashi K, Nakamura Y, Yamagata Y, Angeles ER, Mochizuki T, Kumamaru T, Sato M, Enomoto A, Tashiro K, Kuhara S, Satoh H, Yoshimura A.

Breed Sci. 2016 Jun;66(3):425-33. doi: 10.1270/jsbbs.15135. Epub 2016 May 20.


Deficiency of Starch Synthase IIIa and IVb Alters Starch Granule Morphology from Polyhedral to Spherical in Rice Endosperm.

Toyosawa Y, Kawagoe Y, Matsushima R, Crofts N, Ogawa M, Fukuda M, Kumamaru T, Okazaki Y, Kusano M, Saito K, Toyooka K, Sato M, Ai Y, Jane JL, Nakamura Y, Fujita N.

Plant Physiol. 2016 Mar;170(3):1255-70. doi: 10.1104/pp.15.01232. Epub 2016 Jan 8.


Guanine nucleotide exchange factor 2 for Rab5 proteins coordinated with GLUP6/GEF regulates the intracellular transport of the proglutelin from the Golgi apparatus to the protein storage vacuole in rice endosperm.

Wen L, Fukuda M, Sunada M, Ishino S, Ishino Y, Okita TW, Ogawa M, Ueda T, Kumamaru T.

J Exp Bot. 2015 Oct;66(20):6137-47. doi: 10.1093/jxb/erv325. Epub 2015 Jul 1.


Axillary Meristem Formation in Rice Requires the WUSCHEL Ortholog TILLERS ABSENT1.

Tanaka W, Ohmori Y, Ushijima T, Matsusaka H, Matsushita T, Kumamaru T, Kawano S, Hirano HY.

Plant Cell. 2015 Apr;27(4):1173-84. doi: 10.1105/tpc.15.00074. Epub 2015 Apr 3.


Influence of single-nucleotide polymorphisms in the gene encoding granule-bound starch synthase I on amylose content in Vietnamese rice cultivars.

Hoai TT, Matsusaka H, Toyosawa Y, Suu TD, Satoh H, Kumamaru T.

Breed Sci. 2014 Jun;64(2):142-8. doi: 10.1270/jsbbs.64.142. Epub 2014 Jun 1.


Characterization of RNA binding protein RBP-P reveals a possible role in rice glutelin gene expression and RNA localization.

Doroshenk KA, Tian L, Crofts AJ, Kumamaru T, Okita TW.

Plant Mol Biol. 2014 Jul;85(4-5):381-94. doi: 10.1007/s11103-014-0191-z. Epub 2014 Mar 30.


Small GTPase Sar1 is crucial for proglutelin and α-globulin export from the endoplasmic reticulum in rice endosperm.

Tian L, Dai LL, Yin ZJ, Fukuda M, Kumamaru T, Dong XB, Xu XP, Qu le Q.

J Exp Bot. 2013 Jul;64(10):2831-45. doi: 10.1093/jxb/ert128. Epub 2013 May 16.


A guanine nucleotide exchange factor for Rab5 proteins is essential for intracellular transport of the proglutelin from the Golgi apparatus to the protein storage vacuole in rice endosperm.

Fukuda M, Wen L, Satoh-Cruz M, Kawagoe Y, Nagamura Y, Okita TW, Washida H, Sugino A, Ishino S, Ishino Y, Ogawa M, Sunada M, Ueda T, Kumamaru T.

Plant Physiol. 2013 Jun;162(2):663-74. doi: 10.1104/pp.113.217869. Epub 2013 Apr 11.


TAWAWA1, a regulator of rice inflorescence architecture, functions through the suppression of meristem phase transition.

Yoshida A, Sasao M, Yasuno N, Takagi K, Daimon Y, Chen R, Yamazaki R, Tokunaga H, Kitaguchi Y, Sato Y, Nagamura Y, Ushijima T, Kumamaru T, Iida S, Maekawa M, Kyozuka J.

Proc Natl Acad Sci U S A. 2013 Jan 8;110(2):767-72. doi: 10.1073/pnas.1216151110. Epub 2012 Dec 24.


Increased leaf photosynthesis caused by elevated stomatal conductance in a rice mutant deficient in SLAC1, a guard cell anion channel protein.

Kusumi K, Hirotsuka S, Kumamaru T, Iba K.

J Exp Bot. 2012 Sep;63(15):5635-44. doi: 10.1093/jxb/ers216. Epub 2012 Aug 21.


The OsGEN-L protein from Oryza sativa possesses Holliday junction resolvase activity as well as 5'-flap endonuclease activity.

Yang Y, Ishino S, Yamagami T, Kumamaru T, Satoh H, Ishino Y.

J Biochem. 2012 Mar;151(3):317-27. doi: 10.1093/jb/mvr145. Epub 2012 Jan 13.


RNA targeting to a specific ER sub-domain is required for efficient transport and packaging of α-globulins to the protein storage vacuole in developing rice endosperm.

Washida H, Sugino A, Doroshenk KA, Satoh-Cruz M, Nagamine A, Katsube-Tanaka T, Ogawa M, Kumamaru T, Satoh H, Okita TW.

Plant J. 2012 May;70(3):471-9. doi: 10.1111/j.1365-313X.2011.04880.x. Epub 2012 Jan 18.


The small GTPase Rab5a is essential for intracellular transport of proglutelin from the Golgi apparatus to the protein storage vacuole and endosomal membrane organization in developing rice endosperm.

Fukuda M, Satoh-Cruz M, Wen L, Crofts AJ, Sugino A, Washida H, Okita TW, Ogawa M, Kawagoe Y, Maeshima M, Kumamaru T.

Plant Physiol. 2011 Oct;157(2):632-44. doi: 10.1104/pp.111.180505. Epub 2011 Aug 8.


Genetic analysis of cysteine-poor prolamin polypeptides reduced in the endosperm of the rice esp1 mutant.

Ushijima T, Matsusaka H, Jikuya H, Ogawa M, Satoh H, Kumamaru T.

Plant Sci. 2011 Aug;181(2):125-31. doi: 10.1016/j.plantsci.2011.04.011. Epub 2011 Apr 30.


A role for the cysteine-rich 10 kDa prolamin in protein body I formation in rice.

Nagamine A, Matsusaka H, Ushijima T, Kawagoe Y, Ogawa M, Okita TW, Kumamaru T.

Plant Cell Physiol. 2011 Jun;52(6):1003-16. doi: 10.1093/pcp/pcr053. Epub 2011 Apr 26.


Distinct roles of protein disulfide isomerase and P5 sulfhydryl oxidoreductases in multiple pathways for oxidation of structurally diverse storage proteins in rice.

Onda Y, Nagamine A, Sakurai M, Kumamaru T, Ogawa M, Kawagoe Y.

Plant Cell. 2011 Jan;23(1):210-23. doi: 10.1105/tpc.110.079509. Epub 2011 Jan 28.


Protein disulfide isomerase like 1-1 participates in the maturation of proglutelin within the endoplasmic reticulum in rice endosperm.

Satoh-Cruz M, Crofts AJ, Takemoto-Kuno Y, Sugino A, Washida H, Crofts N, Okita TW, Ogawa M, Satoh H, Kumamaru T.

Plant Cell Physiol. 2010 Sep;51(9):1581-93. doi: 10.1093/pcp/pcq098. Epub 2010 Jul 13.


Vacuolar processing enzyme plays an essential role in the crystalline structure of glutelin in rice seed.

Kumamaru T, Uemura Y, Inoue Y, Takemoto Y, Siddiqui SU, Ogawa M, Hara-Nishimura I, Satoh H.

Plant Cell Physiol. 2010 Jan;51(1):38-46. doi: 10.1093/pcp/pcp165. Epub 2009 Nov 19.


ER membrane-localized oxidoreductase Ero1 is required for disulfide bond formation in the rice endosperm.

Onda Y, Kumamaru T, Kawagoe Y.

Proc Natl Acad Sci U S A. 2009 Aug 18;106(33):14156-61. doi: 10.1073/pnas.0904429106. Epub 2009 Aug 6.


[Does carbonate originate from carbonate-calcium crystal component of the human urinary calculus?].

Yuzawa M, Nakano K, Kumamaru T, Nukui A, Ikeda H, Suzuki K, Kobayashi M, Sugaya Y, Morita T.

Nihon Hinyokika Gakkai Zasshi. 2008 Sep;99(6):681-7. Japanese.


MNU-induced mutant pools and high performance TILLING enable finding of any gene mutation in rice.

Suzuki T, Eiguchi M, Kumamaru T, Satoh H, Matsusaka H, Moriguchi K, Nagato Y, Kurata N.

Mol Genet Genomics. 2008 Mar;279(3):213-23. Epub 2007 Oct 19.


Catalytic behavior of tris(2,2'-bipyridine)iron(II) complex in chemiluminescence reaction of luminol in reversed micellar medium of cetyltrimethylammonium chloride.

Fujiwara T, Mohammadzai IU, Kitayama K, Funazumi Y, Kumamaru T.

J Colloid Interface Sci. 2007 Jun 15;310(2):682-5. Epub 2007 Feb 2.


Rice protein digestion by sake koji enzymes: comparison between steamed rice grains and isolated protein bodies from rice endosperm.

Hashizume K, Okuda M, Sakurao S, Numata M, Koseki T, Aramaki I, Kumamaru T, Sato H.

J Biosci Bioeng. 2006 Oct;102(4):340-5.


The role of mRNA and protein sorting in seed storage protein synthesis, transport, and deposition.

Crofts AJ, Washida H, Okita TW, Satoh M, Ogawa M, Kumamaru T, Satoh H.

Biochem Cell Biol. 2005 Dec;83(6):728-37. Review.


Targeting of proteins to endoplasmic reticulum-derived compartments in plants. The importance of RNA localization.

Crofts AJ, Washida H, Okita TW, Ogawa M, Kumamaru T, Satoh H.

Plant Physiol. 2004 Nov;136(3):3414-9. Review. No abstract available.


Biochemical and molecular characterization of a rice glutelin allele for the GluA-1 gene.

Qu LQ, Wei XL, Satoh H, Kumamaru T, Ogawa M, Takaiwa F.

Theor Appl Genet. 2003 Jun;107(1):20-5. Epub 2003 Mar 21.


Inheritance of alleles for glutelin alpha-2 subunit genes in rice and identification of their corresponding cDNA clone.

Qu Q, Wei L, Satoh H, Kumamaru T, Ogawa M, Takaiwa F.

Theor Appl Genet. 2002 Dec;105(8):1099-1108. Epub 2002 Oct 30.


The rice mutant esp2 greatly accumulates the glutelin precursor and deletes the protein disulfide isomerase.

Takemoto Y, Coughlan SJ, Okita TW, Satoh H, Ogawa M, Kumamaru T.

Plant Physiol. 2002 Apr;128(4):1212-22.


Heated quartz cell atomic absorption spectrometry coupled with in situ butylation/vaporization for the determination of iron and tin.

Sugesaka Y, Okamoto Y, Fujiwara T, Kumamaru T.

Anal Sci. 2001 May;17(5):667-9. No abstract available.


New rice mutants lacking glutelin alpha-1 subunit.

Qu LQ, Wei XL, Satoh H, Kumamaru T, Ogawa M, Jia X.

Yi Chuan Xue Bao. 2001;28(3):229-35.


[The vanishing testis: diagnosis and histological findings].

Nishizawa S, Suzuki K, Tachikawa N, Nukui A, Kumamaru T, Shioji Y, Misumi Y, Mitsu S, Tokue A.

Nihon Hinyokika Gakkai Zasshi. 2000 Jun;91(6):537-41. Japanese.

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