The transfer of genetic information to another cell via a bacteriophage. Also called transduction. In bacteria such as Salmonella, the bacteriophage present in the bacterial cell enters another cell while carrying fragments of the bacteria's own genetic material (chromosomes), and various physiological genetic traits, such as nutritional requirements and drug resistance, are transferred from one cell to another. It was discovered in 1948 by Joshua Lederberg and others in Salmonella typhimurium. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
遺伝情報がバクテリオファージを介して,もう一方の細胞に移ること。トランスダクションともいう。サルモネラなどの細菌で,細菌細胞内に存在するバクテリオファージが,細菌そのものの遺伝質(染色体)の断片を担ったまま他の細胞に入り込んでいくことにより,いろいろな生理的な遺伝的形質,たとえば栄養の要求性や薬物に対する抵抗性などが,一つの細胞から他の細胞に移行する現象をいう。1948年にジョシュア・レーダーバーグらによりネズミチフス菌で発見された。
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