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193 Gregory M. Symons, Jennifer J. Smith, Takahito Nomura, Noel W. Davies, Takao Yokota, James B. Reid (2008). The hormonal regulation of de-etiolation. Planta 227:1115-1125.

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192　Mayumi Iino, Takahito Nomura, Yuji Tamaki, Yumiko Yamada, Koichi Yoneyama, Yasutomo Takeuchi, Masaki Mori, Takeshi Nakano, Takao Yokota (2007)　Progesterone: Its occurrence in plants and involvement in plant growth. Phytochemistry 68:1664-1673

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191　Jager CE, Symons GM, Nomura T, Yamada Y, Smith JJ, Yamaguchi S, Kamiya Y, Weller JL, Yoktoa T, Reid JB (2007) Characterization of two castasterone-synthase genes in pea. Plant Physiol.143:1894-1904

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190　Takahito Nomura, Masaaki Ueno, Yumiko Yamada, Suguru Takatsuto, Yasutomo Takeuchi, and Takao Yokota(2007) Roles of Brassinosteroids and Related mRNAs in Pea Seed Growth and Germination. Plant Physiol.143:1680-1688

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189　A Crozier, T Yokota, ...(2006) Secondary metabolites in fruits, vegetables, beverages and other plant-based dietary components. In Plant Secondary Metabolites (eds. A Crozier, MN Clifford and H Ashihara), Blackwell Pub, Oxford, pp208-302

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188 T. Ohnishi, ...K. Shibata, T. Yokota, K. Sakata, M. Szekeres, M. Mizutani (2006) C-23 Hydroxylation by Arabidopsis CYP90C1 and CYP90D1 reveals novel shortcut routes of brassinosteroid biosynthesis. Plant Cell 18：3275-3288

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187 Toshiyuki Ohnishi, Takahito nomura, Bunta Watanabe, Daisuke Ohta, Takao Yokota, hisashi Miyagawa, Kanzo Sakata, Masaharu Mizutani (2006) Tomato cytochrome P450 CYP734A7 functions in brassinosteroid catabolism. Phytochemistry 67: 1895-1906.

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186 Satoshi Fujita, Toshiyuki Ohnishi, Bunta Watanabe, Takao Yokota...., Kanzo Sakata, Masaharu Mizutani (2006) Arabidopsis CYP90B1 catalyses the early C-22 hydroxylation of C27, C28 and C29 sterols. Plant J. 45: 765-774.

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185 Yoneyama K, Sato D, Takeuchi Y, Sekimoto H, Yokota T, Sassa T (2006) Search for germination stimulants and inhibitors for root parasitic weeds. In: Natural Products for Pest Management (ACS Symposium Series 927), Amer. Chem. Soc., pp88-98.

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184 S. Bancos,A-M. Szatmari, J. Castle, L Kozma-Bognar, K. Shibata, T. Yokota, G.J.Bishop, F. Nagy, M. Szekeres (2006) Diurnal Regulation of the Brassinosteroid-Biosynthetic CPD Gene in Arabidopsis. Plant Physiol. 141: 299-309.

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183 T Nomura, Kusiro T, Yokota T, Kamiya Y, Bishop GJ, Yamaguchi S (2005) The last reaction producing brassinolide is catalyzed by cytochrome p450s, CYP85A3 in tomato and CYP85A2 in Arabidopsis. J Biol Chem 280:17873-17879.

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182 N Takahashi, M Nakazawa, K Shibata, T Yokota, ...., M Matsui (2005) shk1-D, a dwarf Arabidopsis mutant caused by activation of the CYP72C1 gene, has altered brassinosteroid levels. Plant J. 42: 13-22.

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181 M Nakamura, T Satoh, S Tanaka, N Mochizuki, T Yokota, A Nagatani (2005) Activation of the cytochrome P450 gene, CYP72C1, reduces the levels of active brassinosteroids in vivo. J Exp Bot 56(403):833-840.

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横田孝雄　　新しい植物ホルモンの科学 　講談社（2002）