System Metabolic Engineering

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Microbial Genetics and Genomics".

Deadline for manuscript submissions: closed (25 January 2022) | Viewed by 4389

Special Issue Editor


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Guest Editor
Professor of University, INSA, Pathway Engineering and Evolution in Prokaryotes, Toulouse Biotechnology Institute TBI, Université de Toulouse, CNRS5504, INRA792, INSA, Toulouse, France
Interests: metabolic engineering; novel metabolic pathway; synthetic biology; evolutionary engineering
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Special Issue Information

Dear Colleagues,

One of the current global challenges is tackling climate change. To address the latter, one strategy is to develop a biobased economy to replace the declining and polluting fossil-based economy. Microbial cell factories play a key role in producing added-value compounds from sustainable feedstocks such as non-food biomass or atmospheric CO2. Since the beginning of the 1990s, microorganisms have gained more and more attention for use as a chassis, as they are able to naturally produce many different metabolites of interest. However, the efficiency of the natural production is rather low and falls short of the expected industrial performance in three key indices: yield, titer and productivity. Metabolic engineering pushed by the development of various synthetic biology tools is an essential pillar for generating synthetic, industrially competitive microorganisms.

This Special Issue will focus on recent advances in system metabolic engineering, including i) system biology for an accurate analysis of microbial metabolism, ii) the creation of novel or non-natural metabolic pathways, iii) the fine tuning of gene expression, and iv) genome editing to finally create highly efficient, engineered, tailormade microorganisms. Successful examples of metabolic engineering strategies using synthetic biology tools could be also described.

Prof. Dr. Isabelle Meynial-Salles
Guest Editor

Manuscript Submission Information

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Keywords

  • System biology
  • Synthetic biology
  • Evolutionary engineering
  • Novel (non-natural) metabolic pathway
  • Metabolic engineering
  • Genome-scale metabolic model
  • Genome editing
  • Biobased economy
  • Sustainable feedstocks
  • CO2 assimilation

Published Papers (1 paper)

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Review

16 pages, 3521 KiB  
Review
The Terpene Mini-Path, a New Promising Alternative for Terpenoids Bio-Production
by Julie Couillaud, Létitia Leydet, Katia Duquesne and Gilles Iacazio
Genes 2021, 12(12), 1974; https://doi.org/10.3390/genes12121974 - 10 Dec 2021
Cited by 10 | Viewed by 3895
Abstract
Terpenoids constitute the largest class of natural compounds and are extremely valuable from an economic point of view due to their extended physicochemical properties and biological activities. Due to recent environmental concerns, terpene extraction from natural sources is no longer considered as a [...] Read more.
Terpenoids constitute the largest class of natural compounds and are extremely valuable from an economic point of view due to their extended physicochemical properties and biological activities. Due to recent environmental concerns, terpene extraction from natural sources is no longer considered as a viable option, and neither is the chemical synthesis to access such chemicals due to their sophisticated structural characteristics. An alternative to produce terpenoids is the use of biotechnological tools involving, for example, the construction of enzymatic cascades (cell-free synthesis) or a microbial bio-production thanks to metabolic engineering techniques. Despite outstanding successes, these approaches have been hampered by the length of the two natural biosynthetic routes (the mevalonate and the methyl erythritol phosphate pathways), leading to dimethylallyl diphosphate (DMAPP) and isopentenyl diphosphate (IPP), the two common universal precursors of all terpenoids. Recently, we, and others, developed what we called the terpene mini-path, a robust two enzyme access to DMAPP and IPP starting from their corresponding two alcohols, dimethylallyl alcohol and isopentenol. The aim here is to present the potential of this artificial bio-access to terpenoids, either in vitro or in vivo, through a review of the publications appearing since 2016 on this very new and fascinating field of investigation. Full article
(This article belongs to the Special Issue System Metabolic Engineering)
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