Quantum yield alterations due to the static magnetic fields action on Arthrospira platensis SAG 21.99: Evaluation of photosystem activity
[Display omitted] •Magnetic fields increased the growth of Spirulina platensis.•Photosystem II activity was positively affected by magnetic field.•Magnetic field changed the chlorophyll fluorescence transients. Static magnetic fields (SMF) influence the metabolism of microorganisms, however, there i...
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| Veröffentlicht in: | Bioresource technology 2019-11, Vol.292, p.121945-121945, Article 121945 |
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| container_title | Bioresource technology |
| container_volume | 292 |
| creator | Deamici, Kricelle Mosquera Cuellar-Bermudez, Sara P. Muylaert, Koenraad Santos, Lucielen Oliveira Costa, Jorge Alberto Vieira |
| description | [Display omitted]
•Magnetic fields increased the growth of Spirulina platensis.•Photosystem II activity was positively affected by magnetic field.•Magnetic field changed the chlorophyll fluorescence transients.
Static magnetic fields (SMF) influence the metabolism of microorganisms, however, there is no knowledge explaining how SMF act in cells. This study aimed at evaluating the SMF (30 mT) effect on photosynthetic performance, growth and biomass composition of the cyanobacterium Arthrospira platensis SAG 21.99. A. platensis was cultivated under 30 mT applied for 1 h d−1 and 24 h for 10 d in glass bottles. SMF in both conditions increased cellular growth, achieving a 30% higher biomass concentration. SMF applied for 1 h d−1 increased the pigments and carbohydrate content. The quantum yield was used as an indicator of the photosystem II (PSII) activity and was shown to have been positively affected. SMF for 1 h d−1 had a significant effect on the OJIP curves. This is the first study that evaluated the photosynthetic activity in cyanobacteria cultures under SMF action. |
| doi_str_mv | 10.1016/j.biortech.2019.121945 |
| format | Article |
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•Magnetic fields increased the growth of Spirulina platensis.•Photosystem II activity was positively affected by magnetic field.•Magnetic field changed the chlorophyll fluorescence transients.
Static magnetic fields (SMF) influence the metabolism of microorganisms, however, there is no knowledge explaining how SMF act in cells. This study aimed at evaluating the SMF (30 mT) effect on photosynthetic performance, growth and biomass composition of the cyanobacterium Arthrospira platensis SAG 21.99. A. platensis was cultivated under 30 mT applied for 1 h d−1 and 24 h for 10 d in glass bottles. SMF in both conditions increased cellular growth, achieving a 30% higher biomass concentration. SMF applied for 1 h d−1 increased the pigments and carbohydrate content. The quantum yield was used as an indicator of the photosystem II (PSII) activity and was shown to have been positively affected. SMF for 1 h d−1 had a significant effect on the OJIP curves. This is the first study that evaluated the photosynthetic activity in cyanobacteria cultures under SMF action.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2019.121945</identifier><identifier>PMID: 31404753</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Arthrospira ; Chl-fluorescence ; Cyanobacteria ; OJIP ; Quantum yield</subject><ispartof>Bioresource technology, 2019-11, Vol.292, p.121945-121945, Article 121945</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright © 2019 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-33b2a578a1d08d73b6724aa5dd13fdb5fd8ca661fd1deb8d272199986fc7a2ed3</citedby><cites>FETCH-LOGICAL-c453t-33b2a578a1d08d73b6724aa5dd13fdb5fd8ca661fd1deb8d272199986fc7a2ed3</cites><orcidid>0000-0001-9645-4063</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960852419311757$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31404753$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Deamici, Kricelle Mosquera</creatorcontrib><creatorcontrib>Cuellar-Bermudez, Sara P.</creatorcontrib><creatorcontrib>Muylaert, Koenraad</creatorcontrib><creatorcontrib>Santos, Lucielen Oliveira</creatorcontrib><creatorcontrib>Costa, Jorge Alberto Vieira</creatorcontrib><title>Quantum yield alterations due to the static magnetic fields action on Arthrospira platensis SAG 21.99: Evaluation of photosystem activity</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>[Display omitted]
•Magnetic fields increased the growth of Spirulina platensis.•Photosystem II activity was positively affected by magnetic field.•Magnetic field changed the chlorophyll fluorescence transients.
Static magnetic fields (SMF) influence the metabolism of microorganisms, however, there is no knowledge explaining how SMF act in cells. This study aimed at evaluating the SMF (30 mT) effect on photosynthetic performance, growth and biomass composition of the cyanobacterium Arthrospira platensis SAG 21.99. A. platensis was cultivated under 30 mT applied for 1 h d−1 and 24 h for 10 d in glass bottles. SMF in both conditions increased cellular growth, achieving a 30% higher biomass concentration. SMF applied for 1 h d−1 increased the pigments and carbohydrate content. The quantum yield was used as an indicator of the photosystem II (PSII) activity and was shown to have been positively affected. SMF for 1 h d−1 had a significant effect on the OJIP curves. This is the first study that evaluated the photosynthetic activity in cyanobacteria cultures under SMF action.</description><subject>Arthrospira</subject><subject>Chl-fluorescence</subject><subject>Cyanobacteria</subject><subject>OJIP</subject><subject>Quantum yield</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkc9q3DAQxkVpaLZpXyHo2Isd_bElu6cuIU0KgRLanoUsjbtabMuV5IV9hL515TrptTAww_D7Zpj5ELqmpKSEiptj2TkfEphDyQhtS8poW9Wv0I42khesleI12pFWkKKpWXWJ3sZ4JIRwKtkbdMlpRSpZ8x36_bToKS0jPjsYLNZDgqCT81PEdgGcPE4HwDHlnsGj_jnBWvQrHLE2K4lz7EM6BB9nFzSeB51gii7ib_t7zGjZth_x3UkPi97wHs8Hn3w8xwTj3yEnl87v0EWvhwjvn_MV-vH57vvtQ_H49f7L7f6xMFXNU8F5x3QtG00taazknZCs0rq2lvLednVvG6OFoL2lFrrGMpk_07aN6I3UDCy_Qh-2uXPwvxaISY0uGhgGPYFfomJZIbmQgmdUbKjJt8UAvZqDG3U4K0rUaoM6qhcb1GqD2mzIwuvnHUs3gv0ne_l7Bj5tAORLTw6CisbBZMC6ACYp693_dvwBHNafCw</recordid><startdate>20191101</startdate><enddate>20191101</enddate><creator>Deamici, Kricelle Mosquera</creator><creator>Cuellar-Bermudez, Sara P.</creator><creator>Muylaert, Koenraad</creator><creator>Santos, Lucielen Oliveira</creator><creator>Costa, Jorge Alberto Vieira</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-9645-4063</orcidid></search><sort><creationdate>20191101</creationdate><title>Quantum yield alterations due to the static magnetic fields action on Arthrospira platensis SAG 21.99: Evaluation of photosystem activity</title><author>Deamici, Kricelle Mosquera ; Cuellar-Bermudez, Sara P. ; Muylaert, Koenraad ; Santos, Lucielen Oliveira ; Costa, Jorge Alberto Vieira</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-33b2a578a1d08d73b6724aa5dd13fdb5fd8ca661fd1deb8d272199986fc7a2ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Arthrospira</topic><topic>Chl-fluorescence</topic><topic>Cyanobacteria</topic><topic>OJIP</topic><topic>Quantum yield</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deamici, Kricelle Mosquera</creatorcontrib><creatorcontrib>Cuellar-Bermudez, Sara P.</creatorcontrib><creatorcontrib>Muylaert, Koenraad</creatorcontrib><creatorcontrib>Santos, Lucielen Oliveira</creatorcontrib><creatorcontrib>Costa, Jorge Alberto Vieira</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deamici, Kricelle Mosquera</au><au>Cuellar-Bermudez, Sara P.</au><au>Muylaert, Koenraad</au><au>Santos, Lucielen Oliveira</au><au>Costa, Jorge Alberto Vieira</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quantum yield alterations due to the static magnetic fields action on Arthrospira platensis SAG 21.99: Evaluation of photosystem activity</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2019-11-01</date><risdate>2019</risdate><volume>292</volume><spage>121945</spage><epage>121945</epage><pages>121945-121945</pages><artnum>121945</artnum><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>[Display omitted]
•Magnetic fields increased the growth of Spirulina platensis.•Photosystem II activity was positively affected by magnetic field.•Magnetic field changed the chlorophyll fluorescence transients.
Static magnetic fields (SMF) influence the metabolism of microorganisms, however, there is no knowledge explaining how SMF act in cells. This study aimed at evaluating the SMF (30 mT) effect on photosynthetic performance, growth and biomass composition of the cyanobacterium Arthrospira platensis SAG 21.99. A. platensis was cultivated under 30 mT applied for 1 h d−1 and 24 h for 10 d in glass bottles. SMF in both conditions increased cellular growth, achieving a 30% higher biomass concentration. SMF applied for 1 h d−1 increased the pigments and carbohydrate content. The quantum yield was used as an indicator of the photosystem II (PSII) activity and was shown to have been positively affected. SMF for 1 h d−1 had a significant effect on the OJIP curves. This is the first study that evaluated the photosynthetic activity in cyanobacteria cultures under SMF action.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>31404753</pmid><doi>10.1016/j.biortech.2019.121945</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-9645-4063</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Arthrospira Chl-fluorescence Cyanobacteria OJIP Quantum yield |
| title | Quantum yield alterations due to the static magnetic fields action on Arthrospira platensis SAG 21.99: Evaluation of photosystem activity |
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