释义 |
myxobacterium|mɪksəbækˈtɪərɪəm| Also myxobacter. [ad. mod.L. Myxobacter (R. Thaxter 1892, in Bot. Gaz. XVII. 403), f. myxo- + bacterium.] A slime bacterium of the order Myxobacterales, which includes predominantly saprophytic bacteria having a vegetative state in which the unicellular rods are embedded in slime to produce thin, flat colonies, and forming spores, often in distinct fruiting bodies. So myxobacˈterial a., of or pertaining to an organism of this kind.
1932D. E. Johnson in Jrnl. Bacteriol. XXIV. 340 Other cultures had the characteristics of the vegetative stage of Myxobacteria. 1946Nature 23 Nov. 745/1 The lytic effect of certain myxobacteria upon the true bacteria (eubacteria) has been known for some years. 1949H. W. Florey et al. Antibiotics I. i. 40 Three other bacteria..were inhibitory to Ustilago, a non-sporing rod, a motile sporing rod, and a myxobacterium. 1957R. S. Breed et al. Bergey's Man. Determinative Bacteriol. (ed. 7) 854 In the vegetative condition, myxobacters consist of unicellular rods which occur in two characteristic shapes. Ibid. 855 The myxobacterial colony, also sometimes designated as a swarm or pseudoplasmodium, consists characteristically of a flat, thin mass of vegetative cells which spreads rapidly. 1961New Scientist 16 Mar. 669/1 The predators [in the soil] include also myxo-bacteria, giant rhizopods, acrasieae and others. 1973R. G. Krueger et al. Introd. Microbiol. iii. 60/1 Myxobacteria grow as individual cells that are typically embedded in a mass of slime they produce during growth. Ibid. 60/2 In soil and in dung, myxobacteria are active in the degradation of complex organic materials. |