Journal Article

Brassinazole, an Inhibitor of Brassinosteroid Biosynthesis, Inhibits Development of Secondary Xylem in Cress Plants (<i>Lepidium sativum</i>)

Noriko Nagata, Tadao Asami and Shigeo Yoshida

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 42, issue 9, pages 1006-1011
Published in print September 2001 | ISSN: 0032-0781
Published online September 2001 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pce122
Brassinazole, an Inhibitor of Brassinosteroid Biosynthesis, Inhibits Development of Secondary Xylem in Cress Plants (Lepidium sativum)

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Brassinazole (Brz) is a specific brassinosteroid biosynthesis inhibitor. Cress plants (Lepidium sativum) grown in medium containing Brz exhibited a slight predominance of phloem differentiation at the expense of xylem differentiation and remarkable inhibition of the development of secondary xylem. This result indicates that brassinosteroids function in xylem development in vivo.

Keywords: Key words: Brassinazole — Brassinosteroid biosynthesis — Lignification — Vascular differentiation — Xylem.; Abbreviations: Brz, brassinazole; BL, brassinolide; GA, gibberellin.

Journal Article.  2856 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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