ArticlePhotosynthesis research2019
Changes in the photosynthetic apparatus and lipid droplet formation in Chlamydomonas reinhardtii under iron deficiency.
Article in Photosynthesis research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- Investigating the role of PGR5 and PGRL1 in photosynthetic acclimation to salt stress in Chlamydomonas reinhardtii.Photosynthesis research · 2025Article
- Comparison of the effects of nitrogen-, sulfur- and combined nitrogen- and sulfur-deprivations on cell growth, lipid bodies and gene expressions in Chlamydomonas reinhardtii cc5373-sta6.BMC biotechnology · 2023Article
- Effects of sulfur and phosphorus concentration on the lipid accumulation and fatty acid profile in Chlorella vulgaris (Chlorophyta).Folia microbiologica · 2023Article
- Barley Cultivar Sarab 1 Has a Characteristic Region on the Thylakoid Membrane That Protects Photosystem I under Iron-Deficient Conditions.Plants (Basel, Switzerland) · 2023Article
- Article
- A U-Box Type E3 Ubiquitin Ligase Prp19-Like Protein Negatively Regulates Lipid Accumulation and Cell Size inFrontiers in microbiology · 2022Article
- Photoprotection during iron deficiency is mediated by the bHLH transcription factors PYE and ILR3.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The Roles of Cullins E3 Ubiquitin Ligases in the Lipid Biosynthesis of the Green MicroalgaeInternational journal of molecular sciences · 2021Article
- Autophagy Induced Accumulation of Lipids inFrontiers in plant science · 2021Article
- Enhanced Lipid Production inFrontiers in plant science · 2021Article
- Fatty acid synthesis by Chlamydomonas reinhardtii in phosphorus limitation.Journal of bioenergetics and biomembranes · 2020Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The unicellular photosynthetic alga Chlamydomonas reinhardtii was propagated in iron deficiency medium and patterns of growth, photosynthetic efficiency, lipid accumulation, as well as the expression of lipid biosynthetic and photosynthesis-related proteins were analysed and compared with iron-sufficient growth conditions. As expected, the photosynthetic rate was reduced (maximally after 4 days of growth) as a result of increased non-photochemical quenching (NPQ). Surprisingly, the stress-response protein LHCSR3 was expressed in conditions of iron deficiency that cause NPQ induction. In addition, the protein contents of both the PSI and PSII reaction centres were gradually reduced during growth in iron deficiency medium. Interestingly, the two generations of Fe deficiency cells could be able to recover the photosynthesis but the second generation cells recovered much slower as these cells were severely in shock. Analysis by flow cytometry with fluorescence-activated cell sorting and thin layer chromatography showed that iron deficiency also induced the accumulation of triacylglycerides (TAG), which resulted in the formation of lipid droplets. This was most significant between 48 and 72 h of growth. Dramatic increases in DGAT2A and PDAT1 levels were caused by iron starvation, which indicated that the biosynthesis of TAG had been increased. Analysis using gas chromatography mass spectrometry showed that levels of 16:0, 18:0, 18:2 and 18:3
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