Graduate School of Science and Technology, Niigata University/新潟大学大学院自然科学研究科・植物分子遺伝学研究室



Publication

2011

Kiyoshi Mashiguchi, Keita Tanaka, Tatsuya Sakai, Satoko Sugawara, Hiroshi Kawaide, Masahiro Natsume, Atsushi Hanada, Takashi Yaeno, Ken Shirasu, Hong Yao, Paula McSteen, Yunde Zhao, Ken-ichiro Hayashi, Yuji Kamiya and Hiroyuki Kasahara (2011) The main auxin biosynthesis pathway in Arabidopsis. Proc. Natl. Acad. Sci. USA 108, 18512-18517.

Akihiro Suzuki, Lalith Suriyagoda, Tamaki Shigeyama, Akiyoshi Tominaga, Masayo Sasaki, Yoshimi Hiratsuka, Aya Yoshinaga, Susumu Arima, Sakae Agarie, Tatsuya Sakai, Sayaka Inada, Yusuke Jikumaru, Yuji Kamiya, Toshiki Uchiumi, Mikiko Abe, Masatsugu Hashiguchi, Ryo Akashi, Shusei Sato, Takakazu Kaneko, Satoshi Tabata and Ann M. Hirsch (2011) Lotus japonicus nodulation is photomorphogenetically controlled by sensing the R/FR ratio through JA signaling. Proc. Natl. Acad. Sci. USA 108, 16837-16842.

Hiroyasu Motose, Takahiro Hamada, Kaori Yoshimoto, Takashi Murata, Mitsuyasu Hasebe, Yuichiro Watanabe, Takashi Hashimoto, Tatsuya Sakai and Taku Takahashi. (2011) NIMA-related kinases 6, 4, and 5 interact with each other to regulate microtubule organization during epidermal cell expansion in Arabidopsis thaliana. Plant J. 67, 993-1005.

Etsuko Tsuda, Haibing Yang, Takeshi Nishimura, Yukiko Uehara, Tatsuya Sakai, Masahiko Furutani, Tomokazu Koshiba, Masakazu Hirose, Hiroshi Nozaki, Angus S. Murphy, and Ken-ichiro Hayashi. (2011) Alkoxy-auxins are selective inhibitors of auxin transport mediated by PIN, ABCB and AUX1 transporters. J. Biol. Chem. 286, 2354-2364.

International Symposium

2017
Taro Kimura Ken Haga, Yasushi Shimizu-Mitao, Yumiko Tekebayashi, Kenichiro Hayashi, Zhao Yunde, Tatsuo Kakimoto, Hiroyuki Kasahara and Tatsuya Sakai (2017) Functional analysis of auxin transport, biosynthesis, and signaling in root phototropism of Arabidopsis. Taiwan-Japan Plant Biology 2017. Taipei, Taiwan.
2016
Taro Kimura Ken Haga, Yasushi Shimizu-Mitao, Yumiko Tekebayashi, Kenichiro Hayashi, Zhao Yunde, Tatsuo Kakimoto, Hiroyuki Kasahara and Tatsuya Sakai (2016) Functional analysis of auxin biosynthesis, transport, and signaling in root phototropism of Arabidopsis thaliana. Plant Biology 2016. Austin, USA. Selected Oral Presentation.
2015
Tatsuya Sakai and Ken Haga (2015) plant adaptation mechanisms to high-intensity light in phototropic responses. The 4th International Congress on Natural Sciences. Changhua, Taiwan. Invited.

Ken Haga and Tatsuya Sakai (2015) Contribution of RPT2 to plant adaptation to high-intensity light in phototropic responses. The 2nd International Symposium on plant environment sensing. Tokyo, Japan.

Taro Kimura, Ken Haga, Kenichiro Hayashi, Zhao Yunde, Yumiko Tekebayashi, Hiroyuki Kasahara and Tatsuya Sakai (2015) Analysis of function of auxin and its action mechanism in Arabidopsis root phototropism. The 2nd International Symposium on plant environment sensing. Tokyo, Japan.
2013
Ken Haga and Tatsuya Sakai (2013) Involvement of RPT2 in phytochrome-mediated regulation of Arabidopsis hypocotyl phototropism. International Symposium on Plant Photobiology, Edinburgh, UK.

Tatsuya Sakai and Ken Haga (2013) Phototropism and auxin transports. Tropism symposium, Japanese Society of Plant Physiology, Okayama. Invited.
2012
Ken Haga and Tatsuya Sakai (2012) PIN Auxin Efflux Carriers are Necessary for Pulse-Induced but not Continuous-Light-InducedPhototropism in Arabidopsis. Auxin 2012, Hawaii, USA.

Ken Haga, Tatsuya Sakai (2012) PIN-mediated hypocotyl phototropism in Arabidopsis. The 1st International Symposium on Plant Environmental Sensing. Nara, Japan.
2011
Tatsuya Sakai, Tomoko Tsuchida-Mayama, Akitomo Nagashima, Ken Haga, Akiko Hanada, Yukiko Uehara, Kenishiro Hayashi, Shinjiro Yamaguchi (2011) Role of auxin and gibberellin in the phototropic respons. Asia and Oceania Conference forPhotobiology. Nara, Japan. Invited.

Hiroyasu Motose, Kaori Yoshimoto, Yuichiro Takahashi, Tatsuya Sakai, Taku Takahashi. (2011) NIMA-related Kinases Redundantly Regulate Directional Cell Expansion in Arabidopsis thaliana. International Conference of Arabidopsis reseach. Madison, USA.
2010
Kenichiro Hayashi, Tatsuya Sakai, Takeshi Nishimura, Tomokazu Koshiba, Angus Murphy, and Hiroshi Nozaki. (2010) Chemical probes for auxin transport: new inhibitors for PIN and PGP/ABCB proteins. International Conference on Plant Growth Substances, Terragona, Spain. Poster.

Kiyoshi Mashiguchi, Yusuke Jikumaru, Tatsuya Sakai, Yuji Kamiya, Ken-ichiro Hayashi, Hiroyuki Kasahara. (2010) Dissection of auxin biosynthesis via indole-3-acetaldehyde in plants. International Conference on Plant Growth Substances, Terragona, Spain. Poster.

Tomoko Tsuchida-Mayama, Tatsuya Sakai, Atsushi Hanada, Yukiko Uehara, Tadao Asami, and Shinjiro Yamaguchi. (2010) Role of the phytochrome and cryptochrome signaling pathways in hypocotyl phototropism. International Conference of Arabidopsis Research. Yokohama, Japan. Poster.
2009

Tatsuya Sakai (2009) Analysis of regulatory mechanisms of plant growth in response to light evironments. NISSAN SCIENCE FOUNDATION Woody Plants Biotechnology Symposium. Tokyo, Japan. Invited.
2008

Tatsuya Sakai (2008) Phototropism of Arabidopsis seedlings. 4th Asia Oceania Conference on Photobiology. Varahasi, India. Invited speaker.

Tatsuya Sakai. (2008) Role of auxin transporter ABCB19 in hypocotyl tropisms. Auxin2008. Marrakech, Morocco. Selected speaker.

Tomoko Tsuchida-Mayama, Akitomo Nagashima, and Tatsuya Sakai. (2008) Molocular mechanisms of hypocotyl phototropism in Arabidopsis. Plant Photobiology, Univ. Missouri, Columbia, USA, May28-31. Invited speaker.
2007
Sakai, T., Nishioka, M., Uehara, Y., Takahashi, M., Fujisawa, N., Saji, K., Seki, M., Shinozaki, K., and Okada, K. (2007) Kinesin-related proteins and a NIMA-related kinase regulate epidermal cell morphogenesis in Arabidopsis. 18th International Conference on Arabidopsis Research. Beijing, China, June. (poster)

Nagashima, A., Suzuki, G.,, Saji, K., Furukawa, T., Koshiba, T., Sekimoto, M., Fujioka, S., Kuroha, T., Kojima, M., Sakakibara, H., Fujisawa, N., Uehara, Y., Okada, K., and Sakai, T. (2007) Phytochromes and cryptochromes regulate the differential growth of Arabidopsis hypocotyls in both a PGP19-dependent and -independent manners. 18th International Conference on Arabidopsis Research. Beijing, China, June. (poster)

Tsuchida-Mayama, T., Nakano, M., Uehara, Y., Fujisawa, N., Okada, K., and Sakai, T. (2007) Function of de-phosphorylated NPH3 in phototropic response. 18th International Conference on Arabidopsis Research. Beijing, China, June. (poster)

Tatsuya Sakai (2007) Light regulation of auxin transport and accumulation in Arabidopsis. RIKEN Plant Science Center International Symposium. Yokohama. Invited Speaker.

Tatsuya Sakai (2007) Functions of photoreceptors on the hypocotyl growth. International Symposium on Light regulation of Plant Growth and Development. Nara Women Univ. invited speaker.
2006
Tomoko Tsuchida-Mayama, Michiharu Nakano, Noriko Fujisawa, Kiyotaka Okada, and Tatsuya Sakai. (2006) Phot1 controls post-transcriptional regulations of signal transducers of phototropism, NPH3 and RPT2. International Plant Photobiology Meeting, Paris. Selected oral presentation.

Akitomo Nagashima, Genki Suzuki, Kensuke Saji, Kiyotaka Okada, Tatsuya Sakai. (2006) Phytochromes and cryptochromes regulate hypocotyl-bending through the action of PGP19 in Arabidopsis. International Plant Photobiology Meeting, Paris. Best Poster Award.
2005
Tatsuya Sakai. (2005) Phototropism in Arabidopsis. Okazai, Nov., . Invited.

Susumu Mochizuki, Akane Suzuki, Akiko Harada, Takuji Wada, Sumie Ishiguro, Kiyotaka Okada, Tatsuya Sakai (2005) The Arabidopsis WAVY GROWTH 3 protein harboring a RING finger motif regulates the gravitropic response of roots negatively. 16th International conference on Arabidopsis research. Madison, USA. Poster.

Akitomo Nagashima, Genki Suzuki, Kensuke Saji, Kiyotaka Okada, Tatsuya Sakai (2005) Analysis of the light-induced inhibition of gravitropism in hypocotyl; the relationship between the random hypocotyl-bending by light and the auxin distribution. 16th International conference on Arabidopsis research. Madison, USA. Poster.
2004
Sayaka Inada, Michiharu Nakano, Kiyotaka Okada, Tatsuya Sakai (2004) LAZINESS locus is involved in leaf movement and stomatal opening induced by blue light. The 2004 annual meeting of the American Society of Plant Biologists .July, Orland, USA. Poster.

Susumu Mochizuki, Akiko Harada, Kiyotaka Okada, Tatsuya Sakai (2004) Analysis of the wav2 mutant exhibiting the strong waby growth pattern of roots. The 2004 annual meeting of the American Society of Plant Biologists .July, Orland, USA. ~Selected Oral Presentation~

Michiharu Nakano, Rie Yamamoto, Noriko Fujisawa, Sayaka Inada, Kiyotaka Okada, Tatsuya Sakai. (2004) Comprehensive preparation of mutants in the model plant of legume, Lotus japonicus. The 2004 annual meeting of the American Society of Plant Biologists .July, Orland, USA. Poster.

Tatsuya Sakai, Genki Suzuki, Maki Ohgishi, Kensuke Saji, Kiyotaka Okada. (2004) Effects of light on the gravitropic response in plant. 35th COSPAR Scientific Assembly. July, Paris, France. Invited.

Sayaka Inada, Maki Ohgishi, Tomoko Mayama, Kiyotaka Okada, Tatsuya Sakai (2004) RPT2 is a signal transducer involved in phototropic response and stomatal opening by association with phot1. International conference on Arabidopsis research. July, Berlin, Germany. Poster.

Tatsuya Sakai, Sayaka Inada, Maki Ohgishi, Akiko Harada, Kiyotaka Okada (2004) 14th International Congress on Photobiology. June 10-15, Cheju, Korea. Invited.

Tatsuya Sakai (2004) Signaling pathways of phot1 and phot2. 58th Yamada Conference on Light Sensing and Signal Transduction in Plant Photomorphogenesis. June 5-9, Okazaki, Japan. Invited

Sayaka Inada, Michiharu Nakano, Kiyotaka Okada, Tatsuya Sakai (2004) Molecular genetic analysis of leaf movement induced by blue light in Lotus japonicus. 58th Yamada Conference on Light Sensing and Signal Transduction in Plant Photomorphogenesis. June 5-9, Okazaki, Japan. Poster.

Akitomo Nagashima, Genki Suzuki, Kensuke Saji, Kiyotaka Okada, Tatsuya Sakai (2004) Analysis of a red-light-hypersensitive mutant, flabby in Arabidopsis. 58th Yamada Conference on Light Sensing and Signal Transduction in Plant Photomorphogenesis. June 5-9, Okazaki, Japan. Poster.

Tomoko Mayama, Maki Ohgishi, Masakatsu Watanabe, Kiyotaka Okada, Tatsuya Sakai (2004) Genetic analysis of green light induced phototropic response. 58th Yamada Conference on Light Sensing and Signal Transduction in Plant Photomorphogenesis. June 5-9, Okazaki, Japan. Poster.
2003
Sayaka Inada, Maki Ohgishi, Tomoko Mayama, Kiyotaka Okada, Tatsuya Sakai (2003). Leaf movement induced by blue light in the model legume, Lotus japonicus. Plant Biology 2003 the 2003 annual meeting of the American Society of Plant Biologists .July. 25-30. Hawaii, USA. Poster.

Akiko Harada, Tatsuya Sakai, Kiyotaka Okada (2003) phot1 and phot2 mediate blue light-induced transient increase in cytosolic calcium through different pathway in Arabidopsis leaves. 7th International Congress of Molecular Biology. June. 23-28. Barcelona, Spain. Poster.

Tatsuya Sakai, Akiko Harada, Sayaka Inada, Haruna Kiriyama, Tomoko Mayama, Susumu Mochizuki, Maki Ohgishi, Genki Suzuki, Kiyotaka Okada (2003) Controlling growth pattern by physical stimuli. 7th International Congress of Molecular Biology. June. 23-28. Barcelona, Spain. Invited.
2002
Tatsuya Sakai (2002) Signaling pathways regulated by blue light receptors, phot1 and phot2. International Meeting on UV/blue light. Dec. 12-18, Okazaki, Japan. Invited.

Akiko Harada, Tatsuya Sakai, and Kiyotaka Okada (2002) phot1 and phot2 mediate blue light-induced transient increase in cytosolic Ca2+ in Arabidopsis leaves. International Meeting on UV/blue light. Dec. 12-18, Okazaki, Japan. Poster.

Tatsuya Sakai (2002) Signaling pathways activated by blue light receptors, phot1 and phot2. Japan-France Binational Symposium on Plant Biology 2002. Oct. 29-31, Nara, Japan. Invited.

[Maki Ohgishi (2002) Expression profiling of blue light signaling pathway using multiple mutants. The 4th Japan-Korea Joint Symposium of Plant Science. Sep. 21, Kyoto, Japan.]

Maki Ohgishi, Tatsuya Sakai, Kiyotaka Okada (2002) Analysis of blue-light signaling pathways using a cry1 cry2 phot1 phot2 quadruple mutant. 13th International Conference on Arabidopsis Research. June 28-July 2, Sevilla, Spain. Invited.
2001
Maki Ohgishi, Tatsuya Sakai, Kensuke Saji, Kiyotaka Okada. (2001) Analysis of blue-light signaling pathways using a cry1 cry2 nph1 npl1 quadruple mutant. 12th International Conference on Arabidopsis Research. June 23-27, Madison, Wisconsin, USA. poster
2000
Sakai, T., Kagawa, T., Kasahara, M., Swartz, T., Suetsugu, N., Oikawa, K., Ishiguro, S., Kato, T., Tabata, S., Briggs, W., Wada, M. and Okada, K. (June, 2000) Analysis of function of a NPH1 homolog, NPL1. 11th International conference on Arabidopsis research. Madison, USA. ~Selected Oral Presentation~

Tatsuya Sakai. (May, 2000) Signaling pathways to induce the phototropic response in Arabidopsis. Photosensory receptors and signal transduction, Gordon Research Conference. Barga, Italy. ~Selected Oral Presentation~
1999
Sakai, T., Wada, T., Ishiguro, S. and Okada, K. (July, 1999) Analysis of root phototropism mutant, rpt2, of Arabidopsis. 10th International conference on Arabidopsis research, Melbourne, Australia. ~Selected Oral Presentation~
1998
Sakai, T, Wada, T., Ishiguro, S. and Okada, K. (June, 1998) Analysis of root phototropism mutants, rpt1, rpt2 and rpt3, of Arabidopsis. 9th International conference on Arabidopsis research. Madison, USA. poster.







































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