Experimental evolution: its principles and applications in developing stress-tolerant yeasts

Krishna B. S. Swamy, Nerve Zhou

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Abstract

STress tolerance and resistance in industrial yeast strains are important attributes for cost-effective bioprocessing. The source of stress-tolerant yeasts ranges from extremophilic environments to laboratory engineered strains. However, industrial stress-tolerant yeasts are very rare in nature as the natural environment forces them to evolve traits that optimize survival and reproduction and not the ability to withstand harsh habitat-irrelevant industrial conditions. Experimental evolution is a frequent method used to uncover the mechanisms of evolution and microbial adaption towards environmental stresses. It optimizes biological systems by means of adaptation to environmental stresses and thus has immense power of development of robust stress-tolerant yeasts. This mini-review briefly outlines the basics and implications of evolution experiments and their applications to industrial biotechnology. This work is meant to serve as an introduction to those new to the field of experimental evolution, and as a guide to biologists working in the field of yeast stress response. Future perspectives of experimental evolution for potential biotechnological applications have also been elucidated.
Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalEuropean Journal of Applied Microbiology and Biotechnology
DOIs
Publication statusPublished - Jan 18 2019

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Yeasts
Biotechnology
Reproduction
Ecosystem
Costs and Cost Analysis

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