Publication: Effect of 2,4-Dinitrophenol, Chloramphenicol and KCN on prodigiosin
production by polymyxin b treated non-proliferating
cultures of Serratza marcescens
Authors
El-Ebiary, A. ; Guinea, J. ; Viñas, M. ; Lorén, J. G.
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Facultad de Biología
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Publisher
Murcia: Universidad de Murcia, Servicio de Publicaciones
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DOI
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info:eu-repo/semantics/article
Description
Abstract
La biosíntesis de prodigiosina por cultivos no proliferantes de Serratia marcescens (NPC) inducidos con
L-prolina se amplifica por el efecto de la adición de algunos antibióticos. especialmente la polimixina B. El
presente trabajo describe la cinética de producción de pigmento por NPC tratados con polimixína B e inducidos
con L-prolina en presencia de 2,4-dinitrofenol, KCN y cloranfenícol. Los resultados demuestran que el
transporte electrónico y la síntesis proteica son imprescindibles para la cromogénesis en estas condiciones,
mientras que el bloqueo de la fosforilación oxidativa no evita la producción de pigmento.
Prodigiosin biosynthesis by proline-induced non-prolíferating cultures of Serratia marcescens is enhanced by sorne antibiotics specially polymyxin B. This paper reports kinetics of prodigiosin production by proline induced polymyxin-treated non-proliferating cultures of S. marcescens in the presence of 2,4-dinitrophenol, KCN or chloramphenicol. Results show that protein synthesis and electron transport are needfull for prodigiosin production in the presence of polymyxin B whereas oxidative phosphorylation is not.
Prodigiosin biosynthesis by proline-induced non-prolíferating cultures of Serratia marcescens is enhanced by sorne antibiotics specially polymyxin B. This paper reports kinetics of prodigiosin production by proline induced polymyxin-treated non-proliferating cultures of S. marcescens in the presence of 2,4-dinitrophenol, KCN or chloramphenicol. Results show that protein synthesis and electron transport are needfull for prodigiosin production in the presence of polymyxin B whereas oxidative phosphorylation is not.
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