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Volume 7, Issue 5 (Suppl)
J Biotechnol Biomater
ISSN: 2155-952X JBTBM, an open access journal
Biotechnology 2017
November 13-14, 2017
November 13-14, 2017 Osaka, Japan
19
th
World Congress on
Biotechnology
Microalga isolated from a microbial mat in Salar de Atacama (northern Chile) as a potential source
of compounds for biotechnological applications
Gladys Hayashida Soiza
University of Antofagasta, Chile
M
icroalgae are an important source of unsaturated fatty acids, phospholipids, glycolipids, and carotenes, which are useful
compounds for the food and pharmaceutical industries. The Atacama Desert of northern Chile is one of the driest
deserts on Earth and as such, it is a great natural laboratory in which to study new microorganisms adapted to extreme
environments. A microalgal strain, referred to here as CH03, was isolated from a microbial mat in salt flat water in Salar de
Atacama. Genetic analysis of the 18S ribosomal RNA gene showed that the strain had homology with other known sequences
of the species
Chlorella sorokiniana
. Results revealed the adaptability of this microalga to freshwater medium under laboratory
conditions, despite coming from an extremely high-salinity environment. The fatty acid profile of CH03(A) newly isolated in
Bold's basal medium differed from that of CH03(B) cultured
in vitro
in modified F/2 medium and from another five strains
of
C. sorokiniana
and three strains of
Chlorella vulgaris
in that it had a high stearic acid content and had no polyunsaturated
fatty acids. The major biochemical components observed in this strain were proteins (64.3-73.6%) and lipids (26.6-32.6%). This
study suggests that the strain CH03 could be a protein source and that this oleaginous microalga is easy to grow
in vitro
as a
biological model for future studies.
Biography
Gladys Hayashida Soiza has completed her PhD from Antofagasta University and her Masters studies from Kyoto University. She is the Director of the Associative
Regional Project Explora of CONICYT, a Science Promotion Grant supported by the Government of Chile and implemented by the Antofagasta University. She has
published scientific articles related to bioactive substances from marine bacteria and microalgal biotechnological applications, in reputed journals and has been her
participating as researcher in several scientific studies.
gladys.hayashida@uantof.clGladys Hayashida Soiza, J Biotechnol Biomater 2017, 7:5 (Suppl)
DOI: 10.4172/2155-952X-C1-082