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Oral presentation

Genetic interaction between COP9 signalosome and ${it SMAP1}$ that function in the 2,4-D response in Arabidopsis

Ono, Yutaka; Nakasone, Akari*; Narumi, Issei

no journal, , 

The ${it SMAP1}$ gene is responsible for the anti-auxin resistant mutation, ${it aar1}$, and encodes a factor that mediates the synthetic auxin 2,4-D response. ${it SMAP1}$ functions upstream of the AUX/IAA degradation step in auxin signaling and physically interacts to COP9 signalosome (CSN) in Arabidopsis extract. To investigate genetic relationship between CSN and ${it SMAP1}$, the ${it aar1}$ mutant was crossed with a weak ${it csn}$ mutant, ${it csn5a-1}$. The double mutant ${it aar1-1 csn5a-1}$ shows extremely short hypocotyls and slower root growth than the single mutants. The double mutant also showed relatively more auxin resistant than its parent lines and extremely dwarf phenotype in adult stage. Although the ${it aar1}$ mutant is morphologically indistinguishable to wild type except showing long hypocotyl, the phenotype of the double mutants unveiled the significance of ${it SMAP1}$ for plant growth and development when CSN function is diminished.

Oral presentation

Molecular imaging for plant physiology, 5; Carbon translocation in a whole plant body by using positron emitting tracer imaging system and $$^{11}$$CO$$_{2}$$

Kawachi, Naoki; Suzui, Nobuo; Ishii, Satomi; Yamazaki, Haruaki; Iwasaki, Aya*; Ogawa, Kenichi*; Fujimaki, Shu

no journal, , 

no abstracts in English

Oral presentation

Physiological analysis of the ion-beam induced UVB resistant rice mutant UVTSa-319

Takano, Nao*; Takahashi, Yuko*; Yamamoto, Mitsuru*; Teranishi, Mika*; Hase, Yoshihiro; Sakamoto, Ayako; Tanaka, Atsushi; Hidema, Jun*

no journal, , 

no abstracts in English

Oral presentation

Analysis of translocation of Cd in cadmium hyperaccumulate fern, Athyrium yokoscense

Yoshihara, Toshihiro*; Suzui, Nobuo; Ishii, Satomi; Hashida, Shinnosuke*; Kawachi, Naoki; Yamazaki, Haruaki; Shimada, Hiroaki*; Fujimaki, Shu

no journal, , 

no abstracts in English

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