Metabolic engineering of microalgal based biofuel production: prospects and challenges

The current scenario in renewable energy is focused on development of alternate and sustainable energy sources, amongst which microalgae stands as one of the promising feedstock for biofuel production. It is well known that microalgae generate much larger amounts of biofuels in a shorter time than o...

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Main Authors: Chiranjib eBanerjee, Kashyap Kumar Dubey, Pratyoosh eShukla
Format: Article
Language:English
Published: Frontiers Media S.A. 2016-03-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.00432/full
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author Chiranjib eBanerjee
Kashyap Kumar Dubey
Pratyoosh eShukla
author_facet Chiranjib eBanerjee
Kashyap Kumar Dubey
Pratyoosh eShukla
author_sort Chiranjib eBanerjee
collection DOAJ
description The current scenario in renewable energy is focused on development of alternate and sustainable energy sources, amongst which microalgae stands as one of the promising feedstock for biofuel production. It is well known that microalgae generate much larger amounts of biofuels in a shorter time than other sources based on plant seeds. However, the greatest challenge in a transition to algae-based biofuel production is the various other complications involved in microalgal cultivation, its harvesting, concentration, drying and lipid extraction. Several green microalgae accumulate lipids, especially triacylglycerols (TAGs), which are main precursors in the production of lipid. The various aspects on metabolic pathway analysis of an oleaginous microalgae i.e. Chlamydomonas reinhardtii have elucidated some novel metabolically important genes and this enhances the lipid production in this microalgae. Adding to it, various other aspects in metabolic engineering using OptFlux and effectual bioprocess design also gives an interactive snapshot of enhancing lipid production which ultimately improvises the oil yield. This article reviews the current status of microalgal based technologies for biofuel production, bioreactor process design, flux analysis and it also provides various strategies to increase lipids accumulation via metabolic engineering.
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spelling doaj.art-1382ea2246f74d3386288ec466d4b47e2022-12-21T18:26:25ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2016-03-01710.3389/fmicb.2016.00432183203Metabolic engineering of microalgal based biofuel production: prospects and challengesChiranjib eBanerjee0Kashyap Kumar Dubey1Pratyoosh eShukla2Indian School of MinesM.D. UNIVERSITY, Rohtak, Haryana, IndiaDepartment of Microbiology Maharshi Dayanand University, Rohtak-124001, Haryana, INDIAThe current scenario in renewable energy is focused on development of alternate and sustainable energy sources, amongst which microalgae stands as one of the promising feedstock for biofuel production. It is well known that microalgae generate much larger amounts of biofuels in a shorter time than other sources based on plant seeds. However, the greatest challenge in a transition to algae-based biofuel production is the various other complications involved in microalgal cultivation, its harvesting, concentration, drying and lipid extraction. Several green microalgae accumulate lipids, especially triacylglycerols (TAGs), which are main precursors in the production of lipid. The various aspects on metabolic pathway analysis of an oleaginous microalgae i.e. Chlamydomonas reinhardtii have elucidated some novel metabolically important genes and this enhances the lipid production in this microalgae. Adding to it, various other aspects in metabolic engineering using OptFlux and effectual bioprocess design also gives an interactive snapshot of enhancing lipid production which ultimately improvises the oil yield. This article reviews the current status of microalgal based technologies for biofuel production, bioreactor process design, flux analysis and it also provides various strategies to increase lipids accumulation via metabolic engineering.http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.00432/fullChlamydomonas reinhardtiiMetabolic EngineeringMicroalgaebiofuelbioreactor
spellingShingle Chiranjib eBanerjee
Kashyap Kumar Dubey
Pratyoosh eShukla
Metabolic engineering of microalgal based biofuel production: prospects and challenges
Frontiers in Microbiology
Chlamydomonas reinhardtii
Metabolic Engineering
Microalgae
biofuel
bioreactor
title Metabolic engineering of microalgal based biofuel production: prospects and challenges
title_full Metabolic engineering of microalgal based biofuel production: prospects and challenges
title_fullStr Metabolic engineering of microalgal based biofuel production: prospects and challenges
title_full_unstemmed Metabolic engineering of microalgal based biofuel production: prospects and challenges
title_short Metabolic engineering of microalgal based biofuel production: prospects and challenges
title_sort metabolic engineering of microalgal based biofuel production prospects and challenges
topic Chlamydomonas reinhardtii
Metabolic Engineering
Microalgae
biofuel
bioreactor
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.00432/full
work_keys_str_mv AT chiranjibebanerjee metabolicengineeringofmicroalgalbasedbiofuelproductionprospectsandchallenges
AT kashyapkumardubey metabolicengineeringofmicroalgalbasedbiofuelproductionprospectsandchallenges
AT pratyoosheshukla metabolicengineeringofmicroalgalbasedbiofuelproductionprospectsandchallenges