Biogeosciences
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Articles | Volume 15, issue 16
Articles | Volume 15, issue 16
https://doi.org/10.5194/bg-15-4871-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-4871-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 16
Research article
 | 
17 Aug 2018
Research article |  | 17 Aug 2018

Regulation of inorganic carbon acquisition in a red tide alga (Skeletonema costatum): the importance of phosphorus availability

Guang Gao, Jianrong Xia, Jinlan Yu, Jiale Fan, and Xiaopeng Zeng

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Short summary
Diatoms commonly dominate algal blooms. However, little is known regarding how diatoms overcome CO2 limitation and maintain growth during blooms. Our results show that enrichment of phosphorus enhances diatoms’ photosynthetic pigment, photosynthetic rate, and the capacity for inorganic carbon acquisition. This study indicates the essential role of phosphorus in coping with CO2 limitation for diatoms and sheds light on how bloom-forming algae cope with carbon limitation during blooms.
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