A Polyphasic Characterisation of <i>Tetradesmus almeriensis</i> sp. nov. (Chlorophyta: Scenedesmaceae)
The microalga <i>Tetradesmus almeriensis</i>, previously known as Scenedesmus almeriensis, has been isolated and cultivated as a highly productive, fast-growing strain known as a natural source of different products of commercial interest, including bioactive compounds such as lutein. Th...
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| Main Authors: | , , , , , |
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| Format: | article |
| Language: | EN |
| Published: |
MDPI AG
2021
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| Subjects: | |
| Online Access: | https://doaj.org/article/c1340969f26d4f02b2941bcf9bc03d25 |
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| Summary: | The microalga <i>Tetradesmus almeriensis</i>, previously known as Scenedesmus almeriensis, has been isolated and cultivated as a highly productive, fast-growing strain known as a natural source of different products of commercial interest, including bioactive compounds such as lutein. This strain produces up to 40 g·m<sup>−2</sup>·day<sup>−1</sup> of lutein under optimal conditions and is highly recommendable for outdoor production in temperate and warm climates, showing maximal performance at temperatures up to 35 °C with no photo-inhibition taking place with irradiances greater than 1000 μE·m<sup>−2</sup>·s<sup>−1</sup>. Morphological and molecular data allow its assignment to the Chlorophycean genus <i>Tetradesmus</i>. The new species can be distinguished from similar <i>Tetradesmus</i> taxa due to its unique combination of features that are seen under light microscopy. We present herein a robust and comprehensive phylogenetic analysis of <i>T. almeriensis,</i> together with several additional Scenedesmaceae species, using a combination of maximum likelihood and Bayesian approaches. Our results confirm <i>T. almeriensis</i> as a distinct species consistently clustering with other Scenedesmaceae. |
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