Green, MM (English spelling) GreenMM

Japanese: Green,M.M.(英語表記)GreenMM
Green, MM (English spelling) GreenMM


[Classical concept of genes]
Meanwhile, J. Belling et al. (1928) and others discovered that pachytene chromosomes have a beaded structure consisting of chromomeres and thread-like parts connecting them, and CB Bridges et al. (1935) discovered that salivary gland chromosomes consist of highly stainable horizontal stripes and less stainable intervening parts, which gave rise to the idea that chromomeres and horizontal stripes correspond to genes. Based on the results of research into the recombination of pseudoalleles and the mechanism of gene mutation, this idea was developed into the "Unified Concept of the Gene" by MM Green et al. (1955), which states that genes are basic units common to the three phenomena of function (i.e., controlling traits), recombination, and mutation. However, when bacteria and viruses appeared as research materials, it became possible to detect recombinant forms at extremely low frequencies that had previously been undetectable.

*Some of the terminology that mentions "Green, MM" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[遺伝子の古典概念]
 一方,ベリングJ.Belling(1928)らにより太糸期染色体が染色小粒とそれをつなぐ糸状部分からなる数珠状構造を示すこと,およびC.B.ブリッジズ(1935)らにより唾腺(だせん)染色体が染色性の高い横縞部分と染色性の低い介在部分からなることが明らかにされ,染色小粒や横縞が遺伝子に対応するという考えが生まれた。この考えは偽対立遺伝子の組換えや遺伝子の突然変異機構の研究成果をふまえ,遺伝子は機能(すなわち形質の支配)・組換え・突然変異という三つの現象に共通な基本単位であるとするグリーンM.M.Green(1955)らの《遺伝子の統一概念》へと発展した。 しかし,バクテリアやウイルスが研究材料に登場するに及び,これまで検出不能であったごく低頻度の組換え体の検出が可能となった。…

※「Green,M.M.」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

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