The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation
The use of microalgae in biotechnological processes has received much attention worldwide. This is primarily due to the fact that they are inexpensive to grow, requiring only sunlight and CO2, whilst lending themselves to a range of uses, such as to reduce CO2 levels, as fish feed, in biofuel produc...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
PeerJ Inc.
2018-07-01
|
| Series: | PeerJ |
| Subjects: | |
| Online Access: | https://peerj.com/articles/5295.pdf |
| _version_ | 1797419810251866112 |
|---|---|
| author | Henry Cameron Maria Teresa Mata Carlos Riquelme |
| author_facet | Henry Cameron Maria Teresa Mata Carlos Riquelme |
| author_sort | Henry Cameron |
| collection | DOAJ |
| description | The use of microalgae in biotechnological processes has received much attention worldwide. This is primarily due to the fact that they are inexpensive to grow, requiring only sunlight and CO2, whilst lending themselves to a range of uses, such as to reduce CO2 levels, as fish feed, in biofuel production, for the generation of secondary metabolites of interest, and in bioremediation. These features mean that microalgae are excellent candidates for the implementation of a range of eco-friendly technologies. Here, we investigated the behavior and feasibility of the use of the microalgal strain Tetraselmis marina AC16-MESO against heavy metal contamination focused on potential use in bioremediation. The following key parameters were recorded: (i) the sedimentation efficiency, which reached 95.6% after five hours of decantation; (ii) the ion tolerance (Ca2+, Co2+, Cu2+, Fe3+, Mn2+ and Ni2+) at concentrations of 0.1, 1.0, 5.0, 10.0 and 20.0 mg*L−1 and (iii) ion removal efficiency (Cu2+, Fe3+ and Mn2+). Our results indicated a higher tolerance for iron and calcium (20 ± 1.10 mg*L−1; 100 ± 8.10 mg*L−1), partial to nickel, manganese and copper (4.4 ± 0.10 mg*L−1; 4.4 ± 0.15 mg*L−1; 5 ± 1.25 mg*L−1) and less for cobalt (0.1 ± 0.20 mg*L−1). Moreover, removal efficiency of 40–90% for Cu2+, 100% for Fe3+, and 20–50% for Mn2+ over a 72 hours period, for ion concentrations of 1.0 and 5.0 mg*L−1. |
| first_indexed | 2024-03-09T06:53:41Z |
| format | Article |
| id | doaj.art-f05379f5ef534a8e8d0248d25fe62dd3 |
| institution | Directory Open Access Journal |
| issn | 2167-8359 |
| language | English |
| last_indexed | 2024-03-09T06:53:41Z |
| publishDate | 2018-07-01 |
| publisher | PeerJ Inc. |
| record_format | Article |
| series | PeerJ |
| spelling | doaj.art-f05379f5ef534a8e8d0248d25fe62dd32023-12-03T10:15:38ZengPeerJ Inc.PeerJ2167-83592018-07-016e529510.7717/peerj.5295The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediationHenry Cameron0Maria Teresa Mata1Carlos Riquelme2Centro de Bioinnovación Antofagasta (CBIA), Faculty of Marine Sciences and Biological Resources, Antofagasta University, Antofagasta, ChileCentro de Bioinnovación Antofagasta (CBIA), Faculty of Marine Sciences and Biological Resources, Antofagasta University, Antofagasta, ChileCentro de Bioinnovación Antofagasta (CBIA), Faculty of Marine Sciences and Biological Resources, Antofagasta University, Antofagasta, ChileThe use of microalgae in biotechnological processes has received much attention worldwide. This is primarily due to the fact that they are inexpensive to grow, requiring only sunlight and CO2, whilst lending themselves to a range of uses, such as to reduce CO2 levels, as fish feed, in biofuel production, for the generation of secondary metabolites of interest, and in bioremediation. These features mean that microalgae are excellent candidates for the implementation of a range of eco-friendly technologies. Here, we investigated the behavior and feasibility of the use of the microalgal strain Tetraselmis marina AC16-MESO against heavy metal contamination focused on potential use in bioremediation. The following key parameters were recorded: (i) the sedimentation efficiency, which reached 95.6% after five hours of decantation; (ii) the ion tolerance (Ca2+, Co2+, Cu2+, Fe3+, Mn2+ and Ni2+) at concentrations of 0.1, 1.0, 5.0, 10.0 and 20.0 mg*L−1 and (iii) ion removal efficiency (Cu2+, Fe3+ and Mn2+). Our results indicated a higher tolerance for iron and calcium (20 ± 1.10 mg*L−1; 100 ± 8.10 mg*L−1), partial to nickel, manganese and copper (4.4 ± 0.10 mg*L−1; 4.4 ± 0.15 mg*L−1; 5 ± 1.25 mg*L−1) and less for cobalt (0.1 ± 0.20 mg*L−1). Moreover, removal efficiency of 40–90% for Cu2+, 100% for Fe3+, and 20–50% for Mn2+ over a 72 hours period, for ion concentrations of 1.0 and 5.0 mg*L−1.https://peerj.com/articles/5295.pdfMicroalgaeTetraselmisHeavy metalsBioremediationBioremediation |
| spellingShingle | Henry Cameron Maria Teresa Mata Carlos Riquelme The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation PeerJ Microalgae Tetraselmis Heavy metals Bioremediation Bioremediation |
| title | The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation |
| title_full | The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation |
| title_fullStr | The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation |
| title_full_unstemmed | The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation |
| title_short | The effect of heavy metals on the viability of Tetraselmis marina AC16-MESO and an evaluation of the potential use of this microalga in bioremediation |
| title_sort | effect of heavy metals on the viability of tetraselmis marina ac16 meso and an evaluation of the potential use of this microalga in bioremediation |
| topic | Microalgae Tetraselmis Heavy metals Bioremediation Bioremediation |
| url | https://peerj.com/articles/5295.pdf |
| work_keys_str_mv | AT henrycameron theeffectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation AT mariateresamata theeffectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation AT carlosriquelme theeffectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation AT henrycameron effectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation AT mariateresamata effectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation AT carlosriquelme effectofheavymetalsontheviabilityoftetraselmismarinaac16mesoandanevaluationofthepotentialuseofthismicroalgainbioremediation |