Room: Yangtze 1
Date: Thursday, 21 May 2026
Time: 11:30 - 12:45 CEST
Session code 6CO.6
Bioprocesses and biopolymers
Obtaining New Improved Strains for the Transformation of Agro-Food Industry Wastes Into Biodegradable Bioplastics Through Ale Techniques and Optimization of PHBV Production
Short Introductive summary
Adaptative laboratory evolution (ALE) is a frequent method used to improve the performance of certain microorganisms used at the industrial level by means of the generation of evolved microbial strains with desired characteristic. The fact that the genetic alterations needed for the formation of fittest phenotypes do not have to be necessarily known in advance (in contrast to genetic modification) renders ALE a simple, yet efficacious technique for the optimization of industrial strains. In this strategy, the selected microorganism is cultivated for a long period of time (from weeks to years), under conditions of selective pressure that causes the microorganisms to evolve genetically (by randomly occurring adaptative mutations) and acquiring a certain characteristic relevant for survival and that can be profitable at industrial level. The production and accumulation of PHAs has been studied with the aim of improving adaptation to different types of substrates. Substrates as VFAs (acetate, propionate, etc.) are sustainable carbon sources for PHAs bioproduction but at specific concentrations, they have been shown to have an inhibitory effect of bacterial growth.
Presenter
Max TORRELLAS
AIMPLAS, Biotechnology Dpt., SPAIN
Biographies and Short introductive summaries are supplied directly by presenters and are published here unedited
Co-authors:
B. Taroncher, AIMPLAS - Plastics Technology Centre, Paterna, Valencia, SPAIN
Session reference: 6CO.6.2