Saccharomyces cerevisiae expressing bacterial polyhydroxybutyrate synthase produces poly-3-hydroxybutyrate

Article Abstract:

Saccharomyces cerevisiae cells expressing the Alcaligenes eutrophus polyhydroxybutyrate (PHB) synthase gene produce PHB by a pathway identical to that in A. eutrophus. The synthesis is catalyzed by the bacterial PHB synthase, and the yeast beta-oxidation protein and cytoplasmic acetoacetyl-CoA thiolase. The fatty acid synthesis pathway is not involved in PHB synthesis. Ethanol formation takes place along with the PHB synthesis. The cells accumulate almost 0.5% of their dry weight as PHB during the stationary growth phase.

Research, Physiological aspects, Observations, Gene expression, Saccharomyces, Polyhydroxybutyrate

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The gene cluster for chloramphenicol biosynthesis in Streptomyces venezuelae ISP5230 includes novel shikimate pathway homologues and a monomodular nonribosomal peptide synthetase gene

Article Abstract:

Research has been conducted on the Streptomyces venezuelae ISP5230. The cloning of the chloramphenicol biosynthesis cluster directed to the regions of the S. venezuelae ISP5230 chromosome flanking pabAB has been carried out and investigated.

Canada, Statistical Data Included, Analysis, Genetic aspects, Streptomyces, Peptides, Chromosomes, Microbiological research, Chloramphenicol

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