| 释义 |
streptothricin Biochem.|strɛptəʊˈθrɪsɪn, -ˈθraɪsɪn|
[f. mod.L. streptothric-, streptothrix + -in1.]
Each of a group of related antibiotic but toxic compounds, C13H21N6O7(C6H12N2O)n, produced by the soil bacterium Actinomyces lavendulæ.
1942Waksman & Woodruff in Proc. Soc. Exper. Biol. & Med. XLIX. 207 A new substance can now be added to this list of antibiotic agents. This substance has been obtained from a soil Actinomyces, and is designated as streptothricin, derived from the early generic designation Streptothrix, given to this group of organisms. 1955Sci. News Let. 21 May 326/3 Two other antibiotics, streptothricin and noformicin,..are effective against Newcastle disease virus in the test tube. 1963Barber & Garrod Antibiotic & Chemotherapy vi. 89 This first antibiotic of any value resulting from this investigation was streptothricin, which..was subsequently found to be too toxic for clinical use. 1972Jrnl. Antibiotics XXV. 501 All the available preparations of antibiotics of this type were mixtures of six streptothricins differing in the number of l-β-lysine residues (1 in streptothricin F, 2 in streptothricin E and so on to 6 in streptothricin A). 1978Res. in Vet. Sci. XXV. 110 The number of worms remaining in the infected dogs after one or more treatments with this streptothricin complex. |