...In particular, three methods have been identified for bacteria: conjugation, transformation, and transduction. Transduction is a phenomenon in which genetic information from one bacterium (donor) is transmitted to another bacterium (receptor) via a phage, resulting in the expression of a trait there. It was first discovered by N. Zinder and J. Lederberg in Salmonella typhimurium , a type of Salmonella (1952). It was subsequently discovered to occur in many bacteria, including Escherichia coli and Bacillus subtilis , and it was also discovered that the genetic information transmitted by phages is DNA in substance. ... *Some of the terminology explanations that mention "Lederberg, J." are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…特に,細菌では接合,形質転換,形質導入という三つの方式が明らかになっている。 形質導入というのは,ある細菌(供与体)の遺伝情報がファージを介して別の細菌(受容体)に伝えられ,そこで形質発現をする現象で,ツィンダーN.ZinderとレーダーバーグJ.Lederbergがサルモネラ菌の一種であるネズミチフス菌Salmonella typhimuriumにおいて初めて発見した(1952)。その後,大腸菌Escherichia coliや枯草菌Bacillus subtilisなど多くの細菌でも起こることがわかってきたし,また,ファージが伝える遺伝情報が物質としてのDNAであることも明らかになった。… ※「Lederberg,J.」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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