ArticlePlant signaling & behavior2019
Overexpression of a glycogenin, CmGLG2, enhances floridean starch accumulation in the red alga Cyanidioschyzon merolae.
Article in Plant signaling & behavior, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 10 citations in OpenAlex.
- Comparative Analysis of Carbohydrate-Active Enzyme (CAZyme) Diversity Across Diverse Algal Lineages.Marine biotechnology (New York, N.Y.) · 2026Article
- Region-specific carbon metabolism underlies floridean starch accumulation in rhizoid-like filament cells of Pyropia yezoensis.BMC plant biology · 2026Article
- Microalgal starch: regulation of its quantity and roles.Frontiers in plant science · 2026Review
- Target of Rapamycin is a crucial regulator of photosynthesis and nutrient metabolism partitioning in Nannochloropsis gaditana.Biotechnology for biofuels and bioproducts · 2025Article
- Advances in Genetic Engineering in Improving Photosynthesis and Microalgal Productivity.International journal of molecular sciences · 2023Review
- One of the isoamylase isoforms, CMI294C, is required for semi-amylopectin synthesis in the rhodophyteFrontiers in plant science · 2022Article
- The Unicellular Red AlgaPlants (Basel, Switzerland) · 2021Review
- A terminal α3-galactose modification regulates an E3 ubiquitin ligase subunit inThe Journal of biological chemistry · 2020Article
- Identification and Biotechnical Potential of a Gcn5-Related N-Acetyltransferase Gene in Enhancing Microalgal Biomass and Starch Production.Frontiers in plant science · 2020Article
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3 authors at 2 institutions in 1 country.
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Abstract
Microalgae accumulate energy-reserved molecules, such as triacylglycerol and carbohydrates, which are suitable feedstocks for renewable energies such as biodiesel and bioethanol. However, the molecular mechanisms behind the microalgae accumulating these molecules require further elucidation. Recently, we have reported that the target of rapamycin (TOR)-signaling is a major pathway to regulate floridean starch synthesis by changing the phosphorylation status of CmGLG1, a glycogenin generally required for the initiation of starch/glycogen synthesis, in the unicellular red alga Cyanidioschyzon merolae. In the present study, we confirmed that another glycogenin, CmGLG2, is also involved in the floridean starch synthesis in this alga, since the CmGLG2 overexpression resulted in a two-fold higher floridean starch content in the cell. The results indicate that both glycogenin isoforms play an important role in floridean starch synthesis in C. merolae, and would be a potential target for improvement of floridean starch production in microalgae.
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