Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1149041
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dc.contributor.authorMOREIRA, J. S.
dc.contributor.authorOLIVEIRA, J. S.
dc.contributor.authorBEMQUERER, M. P.
dc.contributor.authorMACHADO-DE-ÁVILA, R. A.
dc.contributor.authorSANTOS, D. M.
dc.contributor.authorMATOS, D. C.
dc.contributor.authorMARIA, B. T.
dc.contributor.authorMAGALHÃES, P. P.
dc.contributor.authorFARIAS, L. M.
dc.date.accessioned2022-12-01T11:01:19Z-
dc.date.available2022-12-01T11:01:19Z-
dc.date.created2022-12-01
dc.date.issued2022
dc.identifier.citationInternational Journal of Biological and Natural Sciences, v. 2, n. 5, p. 1-15, 2022.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1149041-
dc.descriptionShigella is the etiological agent of shigellosis. Antimicrobial peptides and proteins are biologically active substances produced by prokaryotes and eukaryotes that may present antagonistic activity against a wide range of microorganism. In this study, the intracellular extract of a Shigella sonnei isolate was precipitated with 75% ammonium sulfate and purified by sequential chromatography steps using ion exchange, molecular exclusion, and reversed-phase columns. Analysis by mass spectrometry identified three substances with molecular masses of 7.2, 9.2 and 10.7 kDa, active against another Shigella sonnei isolate. The amino acid sequences of the active substances were evaluated with the aid of BLAST - P software. The antagonistic substances were identified, respectively, as 50S ribosomal protein L29 of Escherichia coli, DNA-binding protein HU-beta and ribosome hibernation promoting factor both of Shigella sonnei. Data demonstrated that Shigella sonnei synthesizes three antimicrobial substances that present other classical functions, active against another isolate of the same species.
dc.language.isoeng
dc.rightsopenAccess
dc.titlePurification of multifunctional substances active against Shigella sonnei.
dc.typeArtigo de periódico
dc.subject.thesagroBactéria
dc.subject.thesagroDoençaeng
dc.subject.thesagroProteínaeng
dc.subject.thesagroShigella Sonneieng
dc.subject.thesagroPeptídeoeng
riaa.ainfo.id1149041
riaa.ainfo.lastupdate2022-12-01
dc.contributor.institutionJAQUELINE S. MOREIRA, Universidade Federal de Minas Gerais; JAMIL S. OLIVEIRA, Universidade Federal de Minas Gerais; MARCELO PORTO BEMQUERER, CNPGL; RICARDO A. MACHADO-DE-ÁVILA, Universidade do Extremo Sul Catarinense; DANIEL M. SANTOS, Fundação Ezequiel Dias; DESIELLE C. MATOS, Universidade Federal de Minas Gerais; BRUNA T. MARIA, Universidade Federal de Minas Gerais; PAULA P. MAGALHÃES, Universidade Federal de Minas Gerais; LUIZ M. FARIAS, Universidade Federal de Minas Gerais.
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