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Professor Toru Fujiwara

Biotechnology Research Center
The University of Tokyo
Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
Tel: +81-3-5841-2407; Fax: +81-3-5841-2408
E-mail: atorufu@mail.ecc.u-tokyo.ac.jp
http://park.itc.u-tokyo.ac.jp/ppk/home/Fujiwara.htm
Area of expertise: Molecular genetics of plant nutrition; cell-to-cell movement of macromolecules; plant responses to nutritional conditions
Co-editor until: Dec. 31, 2010
   
Selected Publications):
   
  • Miwa H, Ahmed I, Yoon J, Yokota A, Fujiwara T (2008) Vari ovorax terrae sp. nov., a boron-containing bacterium isolated from soil. Int. J. Syst. Evol. Microbiol . 58, 286-287.
  • Ohkama-Ohtsu N, Kezuka A, Onouchi H, Fujiwara T, Naito S (2008) The promoter region of the b subunit gene of b-conglycinin responds to methionine and glutathione in transient assays using Arabidopsis protoplasts. Soil Sci. Plant Nutr. 54, 128-132.
  • Miwa K, Takano J, Omori H, Seki M, Shinozaki K, Fujiwara T (2007) Plants tolerant of high boron levels. Science 318,1417.
  • Tanaka M, Fujiwara T (2007) Physiological roles and transport mechanisms of boron: perspectives from plants. Pflug. Arch. 456, 671-677.
  • Tomatsu H, Takano J, Takahashi H, Watanabe-Takahashi A, Shibagaki N, Fujiwara T (2007) An Arabidopsis thaliana high-affinity molybdate transporter required for efficient uptake of molybdate from soil. Proc. Natl. Acad. Sci. USA 104, 18807-18812.
  • Nakagawa Y, Hanaoka H, Kobayashi M, Miyoshi K, Miwa K, Fujiwara T (2007) Cell-type specificity of the expression of Os BOR1, a rice efflux boron transporter gene, is regulated in response to boron availability for efficient boron uptake and xylem loading. Plant Cell 19, 2624-2635.
  • Ma JF, Yamaji N, Mitani N, Tamai K, Konishi S, Fujiwara T, Katsuhara M, Yano M (2007) An efflux transporter of silicon in rice. Nature 448, 209-212.
  • Kasajima I, Fujiwara T (2007) Identification of novel Arabidopsis thaliana genes which are induced by high levels of boron. Plant Biotechnol. 24, 355-360.
  • Ahmed I, Yokota A, Fujiwara T (2007) A novel highly boron tolerant bacterium, Bacillus boroniphilus sp. Nov., isolated from soil, that requires boron for its growth. Extremophiles 11, 217-224.
  • Takano J, Kobayashi M, Noda Y, Fujiwara T (2007) Saccharomyces cerevisiae BOR1p is a boron exporter and a key determinant of boron torelance FEMS Microbiol. Lett. 267, 230-235.
  • Ahmed I, Yokota A, Yamazoe A, Fujiwara T (2007) Proposal of Lysinibacillus boronitolerans gen. nov. sp. nov., and transfer of Bacillus fusiformis to Lysinibacillus fusiformis comb. nov. and Bacillus sphaericus to Lysinibacillus sphaericus comb. nov. Int. J. Syst. Evol. Microbiol. 57, 1117-1125.
  • Ahmed I, Yokota A, Fujiwara T (2007) Gracilibacillus boraciitolerans sp. nov., a novel highly boron-tolerant and moderately halotolerant bacterium isolated from soil. Int. J. Syst. Evol. Microbiol. 57, 796-802.
  • Ahmed I, Yokota A, Fujiwara T (2007) Chimaereicella boronitolerans sp. nov., a novel boron-tolerant and alkaliphilic bacterium isolated from soil of Hisarcik area in the Kutahya Province of Turkey. Int. J. Syst. Evol. Microbiol. 57, 986-992.
  • Nozawa A, Takano J, Kobayashi M, von Wir¨Śn N, Fujiwara T (2007) Roles of BOR1, DUR3, and FPS1in boron transport and tolerance in Saccharomyces cerevisiae. FEMS Microbiol. Lett. 262, 216-222.
  • Kasajima I, Ohkama-Ohtsu N, Ide Y, Hayashi H, Yoneyama T, Suzuki Y, Naito S, Fujiwara T (2007) The BIG gene is involved in regulation of sulfur-deficiency responsive genes in Arabidopsis thaliana Physiol. Plant. 129, 351-363.
  • Higashi Y, Hirai MY, Fujiwara T, Naito S, Noji M, Saito K (2006) Proteomic and transcriptomic analysis of Arabidopsis seed proteins: Molecular evidence for successive processing of proteins and its implication in stress response to sulfur nutrition. Plant J. 48,557-571.
  • Miwa K, Takano J, Fujiwara T (2006) Improvement of seed yields under boron-limiting conditions through overexpression of BOR1, a boron transporter for xylem loading, in Arabidopsis thaliana. Plant J. 46, 1084-1091.
  • Takano J, Wada M, Ludewig U, Schaaf G, von Wir¨Śn N, Fujiwara T (2006) The Arabidopsis major intrinsic protein NIP5;1 is essential for efficient boron uptake and plant development under boron limitation. Plant Cell 18, 1498-1509.
  • Nozawa A, Miwa K, Kobayashi M, Fujiwara T (2006) Isolation of Arabidopsis thaliana cDNAs that confer yeast boric acid tolerance. Biosci. Biotechnol. Biochem. 70, 1724-1730.
  • Fukuda A, Fujimaki S, Mori T, Suzui N, Ishiyama K, Hayakawa T, Yamaya T, Fujiwara T, Yoneyama T, Hayashi H (2005) Differential distribution of proteins expressed in companion cells in the sieve element-companion cell complex of rice plants. Plant Cell Physiol. 46, 1779-1786
  • Takano J, Miwa K, Yuan L, von Wir¨Śn N, Fujiwara T (2005) Endocytosis and degradation of BOR1, a boron transporter of Arabidopsis thaliana, regulated by boron availability. Proc. Natl. Acad. Sci. USA 102, 12276-12281.
  • Aoki K, Suzui N, Fujimaki S, Dohmae N, Yonekura-Sakakibara K, Fujiwara T, Hayashi H, Yamaya T, Sakakibara H (2005) Destination-selective long-distance movement of phloem proteins. Plant Cell 17, 1801-1814.
  • Awazuhara M, Fujiwara T, Hayashi H, Watanabe-Takahashi A, Takahashi H, Saito K (2005) The function of SULTR2;1 sulfate transporter during seed development in Arabidopsis thaliana. Physiol. Plant. 125, 95-105.
  • Nozawa A, Takano J, Miwa K, Nakagawa Y, Fujiwara T (2005) Cloning of cDNAs encoding isopropylmalate dehydrogenase from Arabidopsis thaliana and accumulation patterns of their transcripts. Biosci. Biotechnol. Biochem 69, 806-810.