The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids
Screening microalgae from extreme environments, including hot springs, is an important research topic that has lately emerged. A thermophilic green alga was isolated from a north-eastern Algerian hot spring at a temperature of 63 °C, and its fatty acid (FA) profile was explored. The strain was culti...
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MDPI AG
2022-04-01
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| Series: | Life |
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| Online Access: | https://www.mdpi.com/2075-1729/12/4/560 |
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| author | Soumia Boutarfa Mohammed Mourad Senoussi Daniel Gonzalez-Silvera José Ángel López-Jiménez Marina Aboal |
| author_facet | Soumia Boutarfa Mohammed Mourad Senoussi Daniel Gonzalez-Silvera José Ángel López-Jiménez Marina Aboal |
| author_sort | Soumia Boutarfa |
| collection | DOAJ |
| description | Screening microalgae from extreme environments, including hot springs, is an important research topic that has lately emerged. A thermophilic green alga was isolated from a north-eastern Algerian hot spring at a temperature of 63 °C, and its fatty acid (FA) profile was explored. The strain was cultivated in BBM medium at 35 °C in a 16:8 h light/dark cycle and 75 μM photons m<sup>−2</sup> s<sup>−1</sup>. The morphological studies combined with phylogenetic analysis revealed that the isolate was <i>Coelastrella thermophila</i> var. <i>globulina</i> Q. Wang, H. Song, X. Liu, G. Liu and Z. Hu. The monounsaturated fatty acid (MUFA) content was 51.12%. The saturated fatty acid (SFA) and polyunsaturated fatty acid (PUFA) content, respectively, accounted for 27.01% and 21.87%. The main FA was oleic acid (18:1n–9), whose value was 35.95%, followed in decreasing order by palmitic acid (16:0) with 21.45%, linoleic acid (18:2n–6) with 14.38% and α-linolenic acid (18:3n–3) with 04.22%. The FA profile exhibited high total n–6 and n–3 PUFA values (15.80% and 5.76%, respectively). <i>Coelastrella thermophila</i> var. <i>globulina</i> is particularly interesting for producing n-6 and n-3 PUFA and is likely suitable for other biotechnological purposes. This is the first time that this taxon has been reported in hot springs. Other species can be expected to be reported, which emphasises the importance of the biodiversity of extreme habitats. |
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| language | English |
| last_indexed | 2024-03-09T04:30:14Z |
| publishDate | 2022-04-01 |
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| record_format | Article |
| series | Life |
| spelling | doaj.art-cf9bf9de44184b2fa24509e313f5edd02023-12-03T13:37:17ZengMDPI AGLife2075-17292022-04-0112456010.3390/life12040560The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty AcidsSoumia Boutarfa0Mohammed Mourad Senoussi1Daniel Gonzalez-Silvera2José Ángel López-Jiménez3Marina Aboal4Laboratory of Biomolecules and Plant Breeding, Department of Nature and Life Sciences, Faculty of Exact Sciences and Nature and Life Sciences, University of Larbi Ben M’hidi, Oum El Bouaghi 04000, AlgeriaLaboratory of Biomolecules and Plant Breeding, Department of Nature and Life Sciences, Faculty of Exact Sciences and Nature and Life Sciences, University of Larbi Ben M’hidi, Oum El Bouaghi 04000, AlgeriaDepartment of Physiology, University of Murcia, E-30100 Murcia, SpainDepartment of Physiology, University of Murcia, E-30100 Murcia, SpainLaboratory of Algology, Department of Plant Biology, Faculty of Biology, Espinardo Campus, E-30100 Murcia, SpainScreening microalgae from extreme environments, including hot springs, is an important research topic that has lately emerged. A thermophilic green alga was isolated from a north-eastern Algerian hot spring at a temperature of 63 °C, and its fatty acid (FA) profile was explored. The strain was cultivated in BBM medium at 35 °C in a 16:8 h light/dark cycle and 75 μM photons m<sup>−2</sup> s<sup>−1</sup>. The morphological studies combined with phylogenetic analysis revealed that the isolate was <i>Coelastrella thermophila</i> var. <i>globulina</i> Q. Wang, H. Song, X. Liu, G. Liu and Z. Hu. The monounsaturated fatty acid (MUFA) content was 51.12%. The saturated fatty acid (SFA) and polyunsaturated fatty acid (PUFA) content, respectively, accounted for 27.01% and 21.87%. The main FA was oleic acid (18:1n–9), whose value was 35.95%, followed in decreasing order by palmitic acid (16:0) with 21.45%, linoleic acid (18:2n–6) with 14.38% and α-linolenic acid (18:3n–3) with 04.22%. The FA profile exhibited high total n–6 and n–3 PUFA values (15.80% and 5.76%, respectively). <i>Coelastrella thermophila</i> var. <i>globulina</i> is particularly interesting for producing n-6 and n-3 PUFA and is likely suitable for other biotechnological purposes. This is the first time that this taxon has been reported in hot springs. Other species can be expected to be reported, which emphasises the importance of the biodiversity of extreme habitats.https://www.mdpi.com/2075-1729/12/4/560biotechnology<i>Coelastrella thermophila</i> var. <i>globulina</i>fatty acidsgreen algaehot springs |
| spellingShingle | Soumia Boutarfa Mohammed Mourad Senoussi Daniel Gonzalez-Silvera José Ángel López-Jiménez Marina Aboal The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids Life biotechnology <i>Coelastrella thermophila</i> var. <i>globulina</i> fatty acids green algae hot springs |
| title | The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids |
| title_full | The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids |
| title_fullStr | The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids |
| title_full_unstemmed | The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids |
| title_short | The Green Microalga <i>Coelastrella thermophila</i> var. <i>globulina</i> (Scenedesmaceae, Chlorophyta) Isolated from an Algerian Hot Spring as a Potential Source of Fatty Acids |
| title_sort | green microalga i coelastrella thermophila i var i globulina i scenedesmaceae chlorophyta isolated from an algerian hot spring as a potential source of fatty acids |
| topic | biotechnology <i>Coelastrella thermophila</i> var. <i>globulina</i> fatty acids green algae hot springs |
| url | https://www.mdpi.com/2075-1729/12/4/560 |
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