Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing

Metabolic diversity in microorganisms can provide the basis for creating novel biochemical products. However, most metabolic engineering projects utilize a handful of established model organisms and thus, a challenge for harnessing the potential of novel microbial functions is the ability to either...

Full description

Bibliographic Details
Main Authors: Qiang Yan, Stephen S. Fong
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-10-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fmicb.2017.02060/full
_version_ 1811316397606699008
author Qiang Yan
Stephen S. Fong
Stephen S. Fong
author_facet Qiang Yan
Stephen S. Fong
Stephen S. Fong
author_sort Qiang Yan
collection DOAJ
description Metabolic diversity in microorganisms can provide the basis for creating novel biochemical products. However, most metabolic engineering projects utilize a handful of established model organisms and thus, a challenge for harnessing the potential of novel microbial functions is the ability to either heterologously express novel genes or directly utilize non-model organisms. Genetic manipulation of non-model microorganisms is still challenging due to organism-specific nuances that hinder universal molecular genetic tools and translatable knowledge of intracellular biochemical pathways and regulatory mechanisms. However, in the past several years, unprecedented progress has been made in synthetic biology, molecular genetics tools development, applications of omics data techniques, and computational tools that can aid in developing non-model hosts in a systematic manner. In this review, we focus on concerns and approaches related to working with non-model microorganisms including developing molecular genetics tools such as shuttle vectors, selectable markers, and expression systems. In addition, we will discuss: (1) current techniques in controlling gene expression (transcriptional/translational level), (2) advances in site-specific genome engineering tools [homologous recombination (HR) and clustered regularly interspaced short palindromic repeats (CRISPR)], and (3) advances in genome-scale metabolic models (GSMMs) in guiding design of non-model species. Application of these principles to metabolic engineering strategies for consolidated bioprocessing (CBP) will be discussed along with some brief comments on foreseeable future prospects.
first_indexed 2024-04-13T11:49:22Z
format Article
id doaj.art-48059cf8b3b545589409f688173fb9fc
institution Directory Open Access Journal
issn 1664-302X
language English
last_indexed 2024-04-13T11:49:22Z
publishDate 2017-10-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Microbiology
spelling doaj.art-48059cf8b3b545589409f688173fb9fc2022-12-22T02:48:06ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2017-10-01810.3389/fmicb.2017.02060293643Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated BioprocessingQiang Yan0Stephen S. Fong1Stephen S. Fong2Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, United StatesDepartment of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, United StatesCenter for the Study of Biological Complexity, Virginia Commonwealth University, Richmond, VA, United StatesMetabolic diversity in microorganisms can provide the basis for creating novel biochemical products. However, most metabolic engineering projects utilize a handful of established model organisms and thus, a challenge for harnessing the potential of novel microbial functions is the ability to either heterologously express novel genes or directly utilize non-model organisms. Genetic manipulation of non-model microorganisms is still challenging due to organism-specific nuances that hinder universal molecular genetic tools and translatable knowledge of intracellular biochemical pathways and regulatory mechanisms. However, in the past several years, unprecedented progress has been made in synthetic biology, molecular genetics tools development, applications of omics data techniques, and computational tools that can aid in developing non-model hosts in a systematic manner. In this review, we focus on concerns and approaches related to working with non-model microorganisms including developing molecular genetics tools such as shuttle vectors, selectable markers, and expression systems. In addition, we will discuss: (1) current techniques in controlling gene expression (transcriptional/translational level), (2) advances in site-specific genome engineering tools [homologous recombination (HR) and clustered regularly interspaced short palindromic repeats (CRISPR)], and (3) advances in genome-scale metabolic models (GSMMs) in guiding design of non-model species. Application of these principles to metabolic engineering strategies for consolidated bioprocessing (CBP) will be discussed along with some brief comments on foreseeable future prospects.http://journal.frontiersin.org/article/10.3389/fmicb.2017.02060/fullnon-model organismshuttle vectorpromotergenome-scale metabolic modelshomologous recombinationCRISPR/Cas9
spellingShingle Qiang Yan
Stephen S. Fong
Stephen S. Fong
Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
Frontiers in Microbiology
non-model organism
shuttle vector
promoter
genome-scale metabolic models
homologous recombination
CRISPR/Cas9
title Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
title_full Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
title_fullStr Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
title_full_unstemmed Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
title_short Challenges and Advances for Genetic Engineering of Non-model Bacteria and Uses in Consolidated Bioprocessing
title_sort challenges and advances for genetic engineering of non model bacteria and uses in consolidated bioprocessing
topic non-model organism
shuttle vector
promoter
genome-scale metabolic models
homologous recombination
CRISPR/Cas9
url http://journal.frontiersin.org/article/10.3389/fmicb.2017.02060/full
work_keys_str_mv AT qiangyan challengesandadvancesforgeneticengineeringofnonmodelbacteriaandusesinconsolidatedbioprocessing
AT stephensfong challengesandadvancesforgeneticengineeringofnonmodelbacteriaandusesinconsolidatedbioprocessing
AT stephensfong challengesandadvancesforgeneticengineeringofnonmodelbacteriaandusesinconsolidatedbioprocessing