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Aktivace translačního systému v průběhu buněčné diferenciace streptomycet
Bobek, Jan ; Palečková, Petra ; Vohradský, Jiří ; Mikulík, Karel
Synchronously germinating spores of S. granaticolor were used to study the activation of translational system and expression of proteins. Proteomic approach was used to gain more information on expression of proteins during germination on two types of media differing in ability of cells to produce antibiotic granaticin. The requirement of functional trans-translational system for reactivation of translation in S. aureofaciens exposed to unfavourable conditions was examined. Abundance of tmRNA is connected with changes in the rate of translation and with the accumulation of tetracycline. Our data indicate that trans-translation could be involved in self-defence against antibiotics synthesized

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