47 Brassinosteroid-regulation of photomorphogenesis -a study using brassinosteroid-biosynthesis-specific inhibitor, Brz-
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- SHIMADA Yukihisa
- Plant Functions Laboratory, RIKEN
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- NAGATA Noriko
- Plant Functions Laboratory, RIKEN
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- NOGUCHI Takahiro
- Plant Functions Laboratory, RIKEN
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- MIN Yong Ki
- Plant Functions Laboratory, RIKEN
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- ASAMI Tadao
- Plant Functions Laboratory, RIKEN
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- FUJIOKA Shozo
- Plant Functions Laboratory, RIKEN
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- YOSHIDA Shigeo
- Plant Functions Laboratory, RIKEN
Bibliographic Information
- Other Title
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- 47 ブラシノステロイド生合成阻害剤Brzを用いた光形態形成制御機構の解析
Abstract
We studied hormonal regulation of photomorphogenesis using cucumber seedlings with brassinosteroid-biosynthesis-specfic inhibitor, Brassinazole(Brz). When seedlings were germinated in the dark in half MS agar medium containing Brz, cotyledon opening was observed with inhibited hypocotylelongation. However, when they were germinated in distilled water, agar or soil containing Brz in the dark, neigher hook unfolding nor cotyledon opening was observed. In contrast, cytokinin treatment caused both of them in any of these growth conditions. We also analyzed endogenous BRs for light-and dark-grown seedlings by GC-MS. Light-grown plants accumulated more castasterone than dark-grown ones. Based upon these observations, we will discuss on the hormonal regulation of photomorphgenesis
Journal
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- The Janapese Society for Chemical Regulation of Plants, Abstract
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The Janapese Society for Chemical Regulation of Plants, Abstract 34 (0), 97-, 1999
The Janapese Society for Chemical Regulation of Plants
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Details 詳細情報について
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- CRID
- 1390001204422899712
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- NII Article ID
- 110001853457
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- ISSN
- 21896313
- 09191887
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed