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Response to Static Magnetic Field-Induced Stress in Scenedesmus obliquus and Nannochloropsis gaditana

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Title: Response to Static Magnetic Field-Induced Stress in Scenedesmus obliquus and Nannochloropsis gaditana
Authors: Génesis Serrano, Carol Miranda-Ostojic, Pablo Ferrada, Cristian Wulff-Zotelle, Alejandro Maureira, Edward Fuentealba, Karem Gallardo, Manuel Zapata, Mariella Rivas
Source: Marine Drugs, Vol 19, Iss 9, p 527 (2021)
Publisher Information: MDPI AG, 2021.
Publication Year: 2021
Collection: LCC:Biology (General)
Subject Terms: enzymatic activity, fluid dynamics, microalgae, oxidative stress, static magnetic fields, violaxanthin, Biology (General), QH301-705.5
More Details: Magnetic fields in biological systems is a promising research field; however, their application for microalgae has not been fully exploited. This work aims to measure the enzymatic activity and non-enzymatic activity of two microalgae species in terms of superoxide dismutase (SOD), catalase (CAT), and carotenoids, respectively, in response to static magnetic fields-induced stress. Two magnet configurations (north and south) and two exposure modes (continuous and pulse) were applied. Two microalgae species were considered, the Scenedesmus obliquus and Nannochloropsis gaditana. The SOD activity increased by up to 60% in S. obliquus under continuous exposure. This trend was also found for CAT in the continuous mode. Conversely, under the pulse mode, its response was hampered as the SOD and CAT were reduced. For N. gaditana, SOD increased by up to 62% with the south configuration under continuous exposure. In terms of CAT, there was a higher activity of up to 19%. Under the pulsed exposure, SOD activity was up to 115%. The CAT in this microalga was increased by up to 29%. For N. gaditana, a significant increase of over 40% in violaxanthin production was obtained compared to the control, when the microalgae were exposed to SMF as a pulse. Depending on the exposure mode and species, this methodology can be used to produce oxidative stress and obtain an inhibitory or enhanced response in addition to the significant increase in the production of antioxidant pigments.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1660-3397
67372686
Relation: https://www.mdpi.com/1660-3397/19/9/527; https://doaj.org/toc/1660-3397
DOI: 10.3390/md19090527
Access URL: https://doaj.org/article/8639b31baab44f4dbcafab6737268654
Accession Number: edsdoj.8639b31baab44f4dbcafab6737268654
Database: Directory of Open Access Journals
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  Data: Response to Static Magnetic Field-Induced Stress in Scenedesmus obliquus and Nannochloropsis gaditana
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  Data: <searchLink fieldCode="AR" term="%22Génesis+Serrano%22">Génesis Serrano</searchLink><br /><searchLink fieldCode="AR" term="%22Carol+Miranda-Ostojic%22">Carol Miranda-Ostojic</searchLink><br /><searchLink fieldCode="AR" term="%22Pablo+Ferrada%22">Pablo Ferrada</searchLink><br /><searchLink fieldCode="AR" term="%22Cristian+Wulff-Zotelle%22">Cristian Wulff-Zotelle</searchLink><br /><searchLink fieldCode="AR" term="%22Alejandro+Maureira%22">Alejandro Maureira</searchLink><br /><searchLink fieldCode="AR" term="%22Edward+Fuentealba%22">Edward Fuentealba</searchLink><br /><searchLink fieldCode="AR" term="%22Karem+Gallardo%22">Karem Gallardo</searchLink><br /><searchLink fieldCode="AR" term="%22Manuel+Zapata%22">Manuel Zapata</searchLink><br /><searchLink fieldCode="AR" term="%22Mariella+Rivas%22">Mariella Rivas</searchLink>
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  Data: Marine Drugs, Vol 19, Iss 9, p 527 (2021)
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  Data: MDPI AG, 2021.
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  Data: Magnetic fields in biological systems is a promising research field; however, their application for microalgae has not been fully exploited. This work aims to measure the enzymatic activity and non-enzymatic activity of two microalgae species in terms of superoxide dismutase (SOD), catalase (CAT), and carotenoids, respectively, in response to static magnetic fields-induced stress. Two magnet configurations (north and south) and two exposure modes (continuous and pulse) were applied. Two microalgae species were considered, the Scenedesmus obliquus and Nannochloropsis gaditana. The SOD activity increased by up to 60% in S. obliquus under continuous exposure. This trend was also found for CAT in the continuous mode. Conversely, under the pulse mode, its response was hampered as the SOD and CAT were reduced. For N. gaditana, SOD increased by up to 62% with the south configuration under continuous exposure. In terms of CAT, there was a higher activity of up to 19%. Under the pulsed exposure, SOD activity was up to 115%. The CAT in this microalga was increased by up to 29%. For N. gaditana, a significant increase of over 40% in violaxanthin production was obtained compared to the control, when the microalgae were exposed to SMF as a pulse. Depending on the exposure mode and species, this methodology can be used to produce oxidative stress and obtain an inhibitory or enhanced response in addition to the significant increase in the production of antioxidant pigments.
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        Value: 10.3390/md19090527
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        StartPage: 527
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      – SubjectFull: enzymatic activity
        Type: general
      – SubjectFull: fluid dynamics
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      – SubjectFull: microalgae
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      – SubjectFull: oxidative stress
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      – SubjectFull: static magnetic fields
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      – TitleFull: Response to Static Magnetic Field-Induced Stress in Scenedesmus obliquus and Nannochloropsis gaditana
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