Phosphorus supply via a fed-batch strategy improves lipid heterotrophic production of Chlorella regularis
Intracellular phosphorus (P) accumulation can improve microalgal growth and lipid synthesis. However, large excess of P causes cell poisoning. This study utilized a P-fed-batch strategy to investigate its potential to improve the utilization of the excessive P, while avoiding toxic side effects. Thi...
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| Veröffentlicht in: | Environmental science and pollution research international 2020-09, Vol.27 (25), p.31677-31685 |
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| creator | Fu, Liang Yan, Ge Li, Yunbao Li, Qingcheng Zhou, Dandan |
| description | Intracellular phosphorus (P) accumulation can improve microalgal growth and lipid synthesis. However, large excess of P causes cell poisoning. This study utilized a P-fed-batch strategy to investigate its potential to improve the utilization of the excessive P, while avoiding toxic side effects. This strategy contributed to a more complete utilization of the intracellularly stored P, which enhanced the microalgae biomass by 10−15% by upregulating the brassinosteroid growth hormone gene at a P-fed-batch frequency of 2−8. Furthermore, the lipid content increased by 4−16% via upregulation of lipid synthesis-related genes. As a result, the P-fed-batch strategy significantly increased the lipid production by 13−19%. The content of saturated fatty acid increased by ~ 100%, implying improved combustibility and oxidative stability. This is the first study of this P-fed-batch strategy and provides a new concept for the complete utilization of excessive P. |
| doi_str_mv | 10.1007/s11356-020-09495-5 |
| format | Article |
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However, large excess of P causes cell poisoning. This study utilized a P-fed-batch strategy to investigate its potential to improve the utilization of the excessive P, while avoiding toxic side effects. This strategy contributed to a more complete utilization of the intracellularly stored P, which enhanced the microalgae biomass by 10−15% by upregulating the brassinosteroid growth hormone gene at a P-fed-batch frequency of 2−8. Furthermore, the lipid content increased by 4−16% via upregulation of lipid synthesis-related genes. As a result, the P-fed-batch strategy significantly increased the lipid production by 13−19%. The content of saturated fatty acid increased by ~ 100%, implying improved combustibility and oxidative stability. This is the first study of this P-fed-batch strategy and provides a new concept for the complete utilization of excessive P.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-09495-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Algae ; Aquatic microorganisms ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Batch culture ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Fatty acids ; Flammability ; Growth hormones ; Lipids ; Microalgae ; Phosphorus ; Research Article ; Side effects ; Strategy ; Synthesis ; Utilization ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2020-09, Vol.27 (25), p.31677-31685</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-702831261e4296f5e13a2e081c94d4afd822229b7abf4efd625945b7f2f8107e3</citedby><cites>FETCH-LOGICAL-c389t-702831261e4296f5e13a2e081c94d4afd822229b7abf4efd625945b7f2f8107e3</cites><orcidid>0000-0001-5072-9033</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-020-09495-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-09495-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Fu, Liang</creatorcontrib><creatorcontrib>Yan, Ge</creatorcontrib><creatorcontrib>Li, Yunbao</creatorcontrib><creatorcontrib>Li, Qingcheng</creatorcontrib><creatorcontrib>Zhou, Dandan</creatorcontrib><title>Phosphorus supply via a fed-batch strategy improves lipid heterotrophic production of Chlorella regularis</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><description>Intracellular phosphorus (P) accumulation can improve microalgal growth and lipid synthesis. However, large excess of P causes cell poisoning. This study utilized a P-fed-batch strategy to investigate its potential to improve the utilization of the excessive P, while avoiding toxic side effects. This strategy contributed to a more complete utilization of the intracellularly stored P, which enhanced the microalgae biomass by 10−15% by upregulating the brassinosteroid growth hormone gene at a P-fed-batch frequency of 2−8. Furthermore, the lipid content increased by 4−16% via upregulation of lipid synthesis-related genes. As a result, the P-fed-batch strategy significantly increased the lipid production by 13−19%. The content of saturated fatty acid increased by ~ 100%, implying improved combustibility and oxidative stability. 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Basic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fu, Liang</au><au>Yan, Ge</au><au>Li, Yunbao</au><au>Li, Qingcheng</au><au>Zhou, Dandan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phosphorus supply via a fed-batch strategy improves lipid heterotrophic production of Chlorella regularis</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><date>2020-09-01</date><risdate>2020</risdate><volume>27</volume><issue>25</issue><spage>31677</spage><epage>31685</epage><pages>31677-31685</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Intracellular phosphorus (P) accumulation can improve microalgal growth and lipid synthesis. However, large excess of P causes cell poisoning. This study utilized a P-fed-batch strategy to investigate its potential to improve the utilization of the excessive P, while avoiding toxic side effects. This strategy contributed to a more complete utilization of the intracellularly stored P, which enhanced the microalgae biomass by 10−15% by upregulating the brassinosteroid growth hormone gene at a P-fed-batch frequency of 2−8. Furthermore, the lipid content increased by 4−16% via upregulation of lipid synthesis-related genes. As a result, the P-fed-batch strategy significantly increased the lipid production by 13−19%. The content of saturated fatty acid increased by ~ 100%, implying improved combustibility and oxidative stability. This is the first study of this P-fed-batch strategy and provides a new concept for the complete utilization of excessive P.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11356-020-09495-5</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-5072-9033</orcidid></addata></record> |
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| ispartof | Environmental science and pollution research international, 2020-09, Vol.27 (25), p.31677-31685 |
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| subjects | Algae Aquatic microorganisms Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Batch culture Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Fatty acids Flammability Growth hormones Lipids Microalgae Phosphorus Research Article Side effects Strategy Synthesis Utilization Waste Water Technology Water Management Water Pollution Control |
| title | Phosphorus supply via a fed-batch strategy improves lipid heterotrophic production of Chlorella regularis |
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