Document Detail


Enhanced growth and lipid accumulation by a new Ettlia texensis isolate under optimized photoheterotrophic condition.
MedLine Citation:
PMID:  23353038     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A green microalgae, named as Ettlia texensis was obtained from local freshwater in Turkey. The effects of autotrophic, photoheterotrophic and heterotrophic cultivations on biomass and lipid production were studied. Searching the preferences of the carbon and nitrogen source revealed that this strain could grow photoheterotrophically well with glucose and yeast extract. In the optimized medium, the highest biomass productivity and total lipid content achieved were 0.97g/Ld and 26% of dry weight basis, respectively. Moreover, the major fatty acid methyl esters were C16:0; C18:1; C18:2 and C18:3. In a scale-up attempt, productions were accomplished in a 3L stirred tank bioreactor. The final biomass and lipid productivities obtained in bioreactor with 250rpm agitation rate were 0.92g/Ld and 322mg/Ld, respectively. The biochemical compositions were monitored simultaneously by the FTIR spectroscopy during the production in bioreactor. E. texensis could be potent candidate for commercial production in the bioreactor photoheterotrophically.
Authors:
Muge Isleten-Hosoglu; Duygu Ayyıldız-Tamis; Gokhan Zengin; Murat Elibol
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-20
Journal Detail:
Title:  Bioresource technology     Volume:  131C     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  258-265     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Ege University, Bioengineering Department, EBILTEM Hall, 35040 Bornova-Izmir, Turkey.
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