In the present study a screening of oleaginous yeasts from different habitats nearby Montevideo, Uruguay, was carried out. Four yeast strains previously isolated from soil from Fildes Peninsula, in the Antarctic region, were also included in the study. More than 75% of the obtained isolates were characterized as oleaginous though only four of them (two from Antarctica and two from Uruguay) were able to accumulate lipids to levels exceeding the 40% of cell dry weight. One of the selected strains was identified as Rhodotorula graminis, which has been already recognized as an oleaginous species. However, the other three isolates belong to species, which have not been reported as oleaginous before. This work constitutes the first report of Cryptococcus phenolicus, Cystofilobasidium infirmominiatum and Leucosporidium scottii as oleaginous species. Three of the selected isolates were able to grow with glycerol as carbon source. According to lipid production in presence of glycerol, one isolate was selected for further studies. The ability to grow and accumulate intracellular lipids in presence of crude glycerol was assessed for the selected strain. In such conditions, a maximum concentration of 5.9 g L-1 of lipids with a suitable fatty acid profile according to the requirements established in our country for the raw material used in the production of biodiesel, was obtained.
| Published in | American Journal of BioScience (Volume 2, Issue 6) |
| DOI | 10.11648/j.ajbio.20140206.20 |
| Page(s) | 251-257 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2015. Published by Science Publishing Group |
Yeasts, Biodiesel, Glycerol
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APA Style
Virginia Pereyra, Adalgisa Martinez, Caterina Rufo, Silvana Vero. (2015). Oleaginous Yeasts form Uruguay and Antarctica as Renewable Raw Material for Biodiesel Production. American Journal of BioScience, 2(6), 251-257. https://doi.org/10.11648/j.ajbio.20140206.20
ACS Style
Virginia Pereyra; Adalgisa Martinez; Caterina Rufo; Silvana Vero. Oleaginous Yeasts form Uruguay and Antarctica as Renewable Raw Material for Biodiesel Production. Am. J. BioScience 2015, 2(6), 251-257. doi: 10.11648/j.ajbio.20140206.20
AMA Style
Virginia Pereyra, Adalgisa Martinez, Caterina Rufo, Silvana Vero. Oleaginous Yeasts form Uruguay and Antarctica as Renewable Raw Material for Biodiesel Production. Am J BioScience. 2015;2(6):251-257. doi: 10.11648/j.ajbio.20140206.20
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Download@article{10.11648/j.ajbio.20140206.20,
author = {Virginia Pereyra and Adalgisa Martinez and Caterina Rufo and Silvana Vero},
title = {Oleaginous Yeasts form Uruguay and Antarctica as Renewable Raw Material for Biodiesel Production},
journal = {American Journal of BioScience},
volume = {2},
number = {6},
pages = {251-257},
doi = {10.11648/j.ajbio.20140206.20},
url = {https://doi.org/10.11648/j.ajbio.20140206.20},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20140206.20},
abstract = {In the present study a screening of oleaginous yeasts from different habitats nearby Montevideo, Uruguay, was carried out. Four yeast strains previously isolated from soil from Fildes Peninsula, in the Antarctic region, were also included in the study. More than 75% of the obtained isolates were characterized as oleaginous though only four of them (two from Antarctica and two from Uruguay) were able to accumulate lipids to levels exceeding the 40% of cell dry weight. One of the selected strains was identified as Rhodotorula graminis, which has been already recognized as an oleaginous species. However, the other three isolates belong to species, which have not been reported as oleaginous before. This work constitutes the first report of Cryptococcus phenolicus, Cystofilobasidium infirmominiatum and Leucosporidium scottii as oleaginous species. Three of the selected isolates were able to grow with glycerol as carbon source. According to lipid production in presence of glycerol, one isolate was selected for further studies. The ability to grow and accumulate intracellular lipids in presence of crude glycerol was assessed for the selected strain. In such conditions, a maximum concentration of 5.9 g L-1 of lipids with a suitable fatty acid profile according to the requirements established in our country for the raw material used in the production of biodiesel, was obtained.},
year = {2015}
}
TY - JOUR T1 - Oleaginous Yeasts form Uruguay and Antarctica as Renewable Raw Material for Biodiesel Production AU - Virginia Pereyra AU - Adalgisa Martinez AU - Caterina Rufo AU - Silvana Vero Y1 - 2015/01/14 PY - 2015 N1 - https://doi.org/10.11648/j.ajbio.20140206.20 DO - 10.11648/j.ajbio.20140206.20 T2 - American Journal of BioScience JF - American Journal of BioScience JO - American Journal of BioScience SP - 251 EP - 257 PB - Science Publishing Group SN - 2330-0167 UR - https://doi.org/10.11648/j.ajbio.20140206.20 AB - In the present study a screening of oleaginous yeasts from different habitats nearby Montevideo, Uruguay, was carried out. Four yeast strains previously isolated from soil from Fildes Peninsula, in the Antarctic region, were also included in the study. More than 75% of the obtained isolates were characterized as oleaginous though only four of them (two from Antarctica and two from Uruguay) were able to accumulate lipids to levels exceeding the 40% of cell dry weight. One of the selected strains was identified as Rhodotorula graminis, which has been already recognized as an oleaginous species. However, the other three isolates belong to species, which have not been reported as oleaginous before. This work constitutes the first report of Cryptococcus phenolicus, Cystofilobasidium infirmominiatum and Leucosporidium scottii as oleaginous species. Three of the selected isolates were able to grow with glycerol as carbon source. According to lipid production in presence of glycerol, one isolate was selected for further studies. The ability to grow and accumulate intracellular lipids in presence of crude glycerol was assessed for the selected strain. In such conditions, a maximum concentration of 5.9 g L-1 of lipids with a suitable fatty acid profile according to the requirements established in our country for the raw material used in the production of biodiesel, was obtained. VL - 2 IS - 6 ER -
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