释义 |
colchicine|ˈkɒlkɪsaɪn| [f. colchic-um + -ine.] An organic alkaloid C17H19NO5, found in all parts of the Colchicum autumnale. Now used esp. to induce genetic changes in plants and animals. Also Comb.
1853Pharmac. Jrnl. XIII. 134 Codeine..veratrine, emetine, colchicine. 1885Daily News 15 Oct. 5/7 The charge..of having poisoned his wife with colchicine. 1937Blakeslee & Avery in Jrnl. Heredity XXVIII. 393 (heading) Methods of inducing doubling of chromosomes in plants by treatment with colchicine. 1945[see autopolyploid]. 1946Nature 31 Aug. 287/1 The use of colchicine-induced polyploids in plant breeding. 1957M. Abercrombie et al. Dict. Biol. 57 Reversion of colchicine-inhibited metaphase nuclei to the resting state results in polyploidy. |