Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece

Microalgae display features that render them perfect candidates for biotechnological products and industrial applications. Nevertheless, still, only a small number of them have been studied for their metabolic potential. Herein, we aim to contribute to microalgal metabolic diversity, including in th...

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Main Authors: Urania Lortou, Spyros Gkelis
Format: Article
Language:English
Published: Aristotle University of Thessaloniki 2023-12-01
Series:Journal of Biological Research - Thessaloniki
Subjects:
Online Access:https://ejournals.lib.auth.gr/jbiolres/article/view/9636
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author Urania Lortou
Spyros Gkelis
author_facet Urania Lortou
Spyros Gkelis
author_sort Urania Lortou
collection DOAJ
description Microalgae display features that render them perfect candidates for biotechnological products and industrial applications. Nevertheless, still, only a small number of them have been studied for their metabolic potential. Herein, we aim to contribute to microalgal metabolic diversity, including in the study of novel genera and species that are investigated for the first time. The intracellular content of 30 eukaryotic autochthonous microalgae belonging to Chlorophyta, Bacillariophyta, Chlorachniophyta, Ochrophyta, and Rhodophyta isolated from different environments in Greece was extracted with six different solvents and tested for their antimicrobial activity against five pathogenic bacterial strains; 50% of the extracts were found to inhibit the growth of the tested bacteria. Strains growing in standard culture conditions, without applying any stress, were examined for their cellular content using analytical methods. The protein and carbohydrate content of some strains was relatively high. We found strains that are worthy of further investigation to be used in commerce or as a potential material for biotechnology.
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spelling doaj.art-dbf7f3faaa934744a763f1f2543055bb2024-04-23T09:10:17ZengAristotle University of ThessalonikiJournal of Biological Research - Thessaloniki2241-57932023-12-0130010.26262/jbrt.v30i0.96368330Antibacterial activity, pigments, and biomass content of microalgae isolated from GreeceUrania Lortou0Spyros Gkelis1School of Biology, Aristotle University of ThessalonikiSchool of Biology, Aristotle University of ThessalonikiMicroalgae display features that render them perfect candidates for biotechnological products and industrial applications. Nevertheless, still, only a small number of them have been studied for their metabolic potential. Herein, we aim to contribute to microalgal metabolic diversity, including in the study of novel genera and species that are investigated for the first time. The intracellular content of 30 eukaryotic autochthonous microalgae belonging to Chlorophyta, Bacillariophyta, Chlorachniophyta, Ochrophyta, and Rhodophyta isolated from different environments in Greece was extracted with six different solvents and tested for their antimicrobial activity against five pathogenic bacterial strains; 50% of the extracts were found to inhibit the growth of the tested bacteria. Strains growing in standard culture conditions, without applying any stress, were examined for their cellular content using analytical methods. The protein and carbohydrate content of some strains was relatively high. We found strains that are worthy of further investigation to be used in commerce or as a potential material for biotechnology.https://ejournals.lib.auth.gr/jbiolres/article/view/9636microalgaeantibacterial activitycellular contentgreen algaebioprospectingbiotechnology
spellingShingle Urania Lortou
Spyros Gkelis
Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
Journal of Biological Research - Thessaloniki
microalgae
antibacterial activity
cellular content
green algae
bioprospecting
biotechnology
title Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
title_full Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
title_fullStr Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
title_full_unstemmed Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
title_short Antibacterial activity, pigments, and biomass content of microalgae isolated from Greece
title_sort antibacterial activity pigments and biomass content of microalgae isolated from greece
topic microalgae
antibacterial activity
cellular content
green algae
bioprospecting
biotechnology
url https://ejournals.lib.auth.gr/jbiolres/article/view/9636
work_keys_str_mv AT uranialortou antibacterialactivitypigmentsandbiomasscontentofmicroalgaeisolatedfromgreece
AT spyrosgkelis antibacterialactivitypigmentsandbiomasscontentofmicroalgaeisolatedfromgreece