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Interactions of Myxococcus xanthus and Streptomyces sp. induces antibiotic production and changes in Myxococcus development

AuthorsSantamaría, Ramón I. ; Braña, Alfredo F.; Díaz, Margarita
Issue Date2014
AbstractIn natural environments, the microbial populations are complex communities composed of several species of microorganisms that interact with each other competing or collaborating in order to survive. In this work we have studied the interaction between different typical soil bacteria as Myxococcus xanthus and several species of Streptomyces in laboratory conditions. M. xanthus, a motile bacteria, exerts its predatory effect on most of Streptomyces species inducing the lysis of the Streptomyces hyphae in the contact zone. These interactions triggers the production of antibiotics either in M. xanthus or in some of the Streptomyces species but not in all. Nevertheless, induction of silent pathways was observed neither in M. xanthus nor in the Streptomyces species under the conditions assayed. Changes in the differentiation pattern was observed in M. xanthus in the interactions with some species of Streptomyces such as S. griseus that induces the grouping of Myxococcus and the formation of ripplings. These results open new possibilities for increasing the production of some antibiotics by conducting co-culture or by adding the inducer molecules produced by other bacteria to cultures of producing microorganisms (Pérez et al. Microb Biotechnol 2011 4:175 -183).
DescriptionResumen del trabajo presentado al Congreso del ANQUE-ICCE-BIOTEC: Science, the key for a better life; celebrado en Madrid del 1 al 4 de julio de 2014.
Appears in Collections:(IBFG) Comunicaciones congresos
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