| 释义 |
homokaryotic, a. Bot.|ˌhɒməʊkærɪˈɒtɪk|
Also -caryotic.
[ad. G. homocaryotisch (H. Burgeff 1913, in Ber. d. Deut. Bot. Ges. XXX. 680), f. homo- + karyo- + -otic.]
Exhibiting homokaryosis. Hence homokaryon |-ˈkærɪən|, a homokaryotic cell, structure, or organism; homokaryosis |-kærɪˈəʊsɪs|, the condition, prevalent among fungi, in which two or more genetically identical nuclei are maintained in a common cytoplasm.
1916B. D. Jackson Gloss. Bot. Terms (ed. 3) 183/2 Homokaryotic. 1921Phil. Trans. R. Soc. B. CCX. 111 The contamination may be purely cytoplasmic, and the progeny of such a cell will therefore still be homocaryotic. 1928B. D. Jackson Gloss. Bot. Terms (ed. 4) 443/1 Homocaryosis. 1939Mycologia XXXI. 226 Although the conidia and ascospores of B[otryosphaeria] Ribis are multi⁓nucleate, all of the nuclei of a single conidium or ascospore have the same origin and hence are homocaryotic or genetically similar. 1949H. W. Florey et al. Antibiotics II. xvi. 673 Heterokaryons are, in general, more vigorous than the homokaryons from which they originate. 1951D. G. Catcheside Genetics of Micro-Organisms iv. 72 Not too much reliance must be placed in the homocaryosis of a strain maintained for some time by vegetative transfers. 1955G. M. Smith Cryptogamic Bot. (ed. 2) I. xi. 414 Multi⁓nucleate mycelia of Mucorales and of other fungi may be homokaryotic..or they may be heterokaryotic. 1969G. Sermonti Genetics Antibiotic-Producing Microorganisms ii. 38 In such cases a balanced combination of two (or more) genotypes enjoys a selective advantage over either homokaryon. Ibid. v. 165 They often continue to segregate even after homokaryosis has been established. |