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- W2890165916 endingPage "1954" @default.
- W2890165916 startingPage "1954" @default.
- W2890165916 abstract "Blooms of harmful cyanobacteria have been observed in various water bodies across the world and some of them can produce intracellular toxins, such as microcystins (MCs), which negatively impact aquatic organisms and human health. Iron participates significantly in cyanobacterial photosynthesis and is proposed to be linked to MC production. Here, the cyanobacteria Microcystis aeruginosa was cultivated under different iron regimes to investigate the relationship between photosynthetic capacity and MC production. The results showed that iron addition increased cell density, cellular protein concentration and the Chl-a (chlorophyll-a) content. Similarly, it can also up–regulate photosynthetic capacity and promote MC–leucine–arginine (MC–LR) production, but not in a dose–dependent manner. Moreover, a significant positive correlation between photosynthetic capacity and MC production was observed, and electron transport parameters were the most important parameters contributing to the variation of intracellular MC–LR concentration revealed by Generalized Additive Model analysis. As the electron transport chain was affected by iron variation, adenosine triphosphate production was inhibited, leading to the alteration of MC synthetase gene expression. Therefore, it is demonstrated that MC production greatly relies on redox status and energy metabolism of photosynthesis in M. aeruginosa. In consequence, more attention should be paid to the involvement of photosynthesis in the regulation of MC production by iron variation in the future." @default.
- W2890165916 created "2018-09-27" @default.
- W2890165916 creator A5002696909 @default.
- W2890165916 creator A5010804247 @default.
- W2890165916 creator A5014507530 @default.
- W2890165916 creator A5021495571 @default.
- W2890165916 creator A5049129847 @default.
- W2890165916 creator A5055838753 @default.
- W2890165916 date "2018-09-07" @default.
- W2890165916 modified "2023-09-29" @default.
- W2890165916 title "Relationship between Photosynthetic Capacity and Microcystin Production in Toxic Microcystis Aeruginosa under Different Iron Regimes" @default.
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- W2890165916 doi "https://doi.org/10.3390/ijerph15091954" @default.
- W2890165916 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6163392" @default.
- W2890165916 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30205471" @default.
- W2890165916 hasPublicationYear "2018" @default.
- W2890165916 type Work @default.