...They said that there are two types of substances that cause cell division at the wounded area: one that comes from the wounded cell itself (wound hormone) and one that comes from the vascular bundle (leptohormone). In 1927, Herbert's student B. Wehnelt found a biological method to quantify this hormone by removing seeds from the immature kidney bean pods and applying a sample liquid to the inside of the pod, which causes the pod to rise up. Since then, research into isolating and identifying the substance has progressed rapidly. Using this method, American J. English and his colleagues found that the pods used as materials at that time contained wound hormones, and in 1939 they isolated the substance as crystals and identified it as traumatic acid (⊿ 1 -decene-1,10-dicarboxylic acid, HOOC-CH=CH-(CH 2 ) 8 -COOH). ... *Some of the terminology that mentions "Wehnelt, B." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…彼らは,傷ついた部位に細胞分裂を引き起こす物質は2種類あり,傷ついた細胞自身からくるもの(傷ホルモン)と維管束からくるもの(レプトホルモンleptohormone)とがあるという。 1927年にハーバーラントの弟子ウェーネルトB.Wehneltが,インゲンマメの未熟な果実の莢(さや)から種子を取り去り,莢の内側に試料液を塗るとそこが盛り上がってくる反応で,このホルモンを生物学的に定量する方法をみつけて以来,物質を分離,同定する研究が急速に進んだ。この方法を使ってアメリカのイングリッシュJ.Englishらはこのときの材料として使われる莢自身に傷ホルモンが存在することを見いだし,39年にその物質を結晶として単離し,トラウマチン酸traumatic acid(⊿1‐decene‐1,10‐dicarboxylic acid,HOOC-CH=CH-(CH2)8-COOH)と同定した。… ※「Wehnelt,B.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: weft ikat (English spelling) weftikat
Economic and Social Commission for Asia and the Pa...
...Industries such as machinery, aviation, and ch...
A county in northwestern Sichuan Province, China. ...
…[Hiroshi Takahashi]. … *Some of the terminology ...
A biennial plant of the Asteraceae family (APG cl...
In the 1890s, the world was divided into two comp...
Born: May 13, 1840. Gall, Nimes [Died] December 16...
…The classic text, the Book of Rites, and the his...
… [Hiroyoshi Ohashi]. … *Some of the terminology ...
...Buddhism and other Indian religious and philos...
...Those who could not write wrote a cross instea...
…English actor. He was a member of a famous famil...
A farm tool used to make ridges in the field when ...
A legendary Iranian hero. His heroic tales form th...
…In the Meiji period, the word “Asia” was mainstr...