Creation of essential technologies to utilize carbon dioxide as a resource through the enhancement of plant productivity and the exploitation of plant products

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Takashi Ueda (Professor, National Institute for Basic Biology, National Institutes of Natural Sciences)

Development of environmental-stress-tolerant plant by modification of membrane trafficking pathways

 There are many single membrane-bounded organelles in plant cells, which are connected each other by membrane trafficking pathways. We have recently demonstrated that the plant-unique membrane trafficking pathway plays distinctive roles in responses to environmental stresses including the salinity stress. In this research project, we carry out studies to unveil the molecular mechanism of this trafficking pathway with a special focus on stress tolerance. We will also attempt to develop environmental-stress-tolerant plants by modifying the activity of this trafficking pathway, which will lead to improvement in biomass production and carbon fixation.


Kazuo Ebine, Takeshi Inoue, Jun Ito, Emi Ito, Tomohiro Uemura, Tatsuaki Goh, Hiroshi Abe, Ken Sato, Akihiko Nakano, and Takashi Ueda, Plant vacuolar trafficking occurs through distinctly regulated pathways, Current Biology, published on line May 29, 2014,

Rin Asaoka, Tomohiro Uemura, Sho Nishida, Toru Fujiwara, Takashi Ueda, Akihiko Nakano, New insights into the role of RABA1 GTPases in salinity stress tolerance, Plant Signaling and Behavior, published online June 19, 2013, doi: 10.4161/psb.25377

Masako Fukuda, Liuying Wen, Mio Satoh-Cruz, Yasushi Kawagoe, Yoshiaki Nagamura, Thomas W. Okita, Haruhiko Washida, Aya Sugino, Sonoko Ishino, Yoshizumi Ishino, Masahiro Ogawa, Mariko Sunada, Takashi Ueda, Toshihiro Kumamaru, 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, Plant Physiol., vol. 162, 663-674 (2013)

Takeshi Inoue, Yuki Kondo, Satoshi Naramoto, Akihiko Nakano, Takashi Ueda, RAB5 activation is required for multiple steps in Arabidopsis thaliana root development, Plant Cell Physiol., published on line July 27, 2013, doi: 10.1093/pcp/pct109

Seung-won Choi, Takayuki Tamaki, Kazuo Ebine, Tomohiro Uemura, Takashi Ueda, Akihiko Nakano, RABA members act in distinct steps of subcellular trafficking of the FLAGELLIN SENSING 2 receptor, Plant Cell, vol. 25, 1174-1187 (2013)

Atsuko Era, Natsumaro Kutsuna, Takumi Higaki, SeConserveiichiro Hasezawa, Akihiko Nakano, Takashi Ueda, Microtubule stability affects the unique motility of F-actin in Marchantia polymorpha, J. Plant Res., vol. 126, 113-119 (2013)

Rin Asaoka, Tomohiro Uemura, Jun Ito, Masaru Fujimoto, Emi Ito, Takashi Ueda, Akihiko Nakano, Arabidopsis RABA1 GTPases are involved in transport between the trans-Golgi network and the plasma membrane, and are required for salinity stress tolerance , Plant J., vol. 73, 240-249 (2013)

Masaru Fujimoto, Takashi Ueda, Conserved and plant-unique mechanisms regulating plant post-Golgi traffic, Front. Plant Sci., vol. 3, 197 (2012)

Kazuo Ebine, Tomohiro Uemura, Akihiko Nakano, Takashi Ueda, Flowering Time Modulation by a Vacuolar SNARE via FLOWERING LOCUS C in Arabidopsis thaliana, PLoS ONE, vol. 7, e42239 (2012)