2024-03-28T21:29:04Zhttp://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/409982021-06-23T11:44:43Zcom_10324_1181com_10324_931com_10324_894col_10324_1387
Effects of ribosome-inactivating proteins on Escherichia coli and Agrobacterium tumefaciens translation systems.
Girbés Juan, Tomás
Barbieri, Luigi
Ferreras Rodríguez, José Miguel
Arias Vallejo, Francisco Javier
Iglesias Álvarez, María del Rosario
Alegre, Carlos
Escarmis, Cristina
Stirpe, Fiorenzo
The effects of 30 type 1 and of 2 (ricin and volkensin) type 2 ribosome-inactivating proteins (RIPs) on Escherichia coli and Agrobacterium tumefaciens cell-free translation systems were compared with the effects on a rabbit reticulocyte translation system. The depurinating activity of RIPs on E. coli ribosomes was also evaluated. Only six type 1 RIPs inhibited endogenous mRNA-directed translational activity of E. coli lysates, with submicromolar 50% inhibitory concentrations. Four RIPs had similar activities on poly(U)-directed phenylalanine polymerization by E. coli ribosomes, and three RIPs inhibited poly(U)-directed polyphenylalanine synthesis by A. tumefaciens ribosomes, with submicromolar 50% inhibitory concentrations.
2020-06-05T11:59:34Z
2020-06-05T11:59:34Z
2020-06-05T11:59:34Z
1993
info:eu-repo/semantics/article
Journal of Bacteriology, 1993, vol. 175, n. 20. p. 6721-6724
0021-9193
http://uvadoc.uva.es/handle/10324/40998
10.1128/jb.175.20.6721-6724.1993
eng
https://jb.asm.org/content/175/20/6721
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/3.0/
© 1993 American Society for Microbiology
Attribution-NonCommercial-NoDerivs 3.0 Unported
American Society for Microbiology