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Potential of proton-pumping rhodopsins: engineering photosystems into microorganisms

Paper ID Volume ID Publish Year Pages File Format Full-Text
36872 45276 2013 10 PDF Available
Title
Potential of proton-pumping rhodopsins: engineering photosystems into microorganisms
Abstract

•PPRs are photosystems that can be relatively easily introduced into microorganisms.•A large natural diversity of PPRs is available for different applications and hosts.•PPRs allow for some light-driven biotechnological conversions in microorganisms.•PPRs can potentially power more energy-limited biotechnological production pathways.

A wide range of proton-pumping rhodopsins (PPRs) have been discovered in recent years. Using a synthetic biology approach, PPR photosystems with different features can be easily introduced in nonphotosynthetic microbial hosts. PPRs can provide hosts with the ability to harvest light and drive the sustainable production of biochemicals or biofuels. PPRs use light energy to generate an outward proton flux, and the resulting proton motive force can subsequently power cellular processes. Recently, the introduction of PPRs in microbial production hosts has successfully led to light-driven biotechnological conversions. In this review, we discuss relevant features of natural PPRs, evaluate reported biotechnological applications of microbial production hosts equipped with PPRs, and provide an outlook on future developments.

Keywords
proton-pumping rhodopsins; synthetic phototrophy; synthetic biology; metabolic engineering
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 31, Issue 11, November 2013, Pages 633–642
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us