ArticleScientific reports2023
Excess manganese increases photosynthetic activity via enhanced reducing center and antenna plasticity in Chlorella vulgaris.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 13 citations in OpenAlex.
- Timing and method of manganese supplementation effects thermal resilience of Acropora millepora.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Manganese supplementation enhances cnidarian-dinoflagellate symbiosis under thermal stress.Communications biology · 2026Article
- Multiwalled carbon nanotubes-jasmonate interactions enhance biomass production by regulating reactive oxygen species homeostasis, δ-aminolevulinic acid/glutamate-1-semialdehyde metabolism, source-sink balance, and defense responses under chromium stress in soybean.Frontiers in plant science · 2026Article
- Enhancing photosynthetic efficiency in Phalaenopsis amabilis through bioreactor innovations.BMC plant biology · 2024Article
- Zinc regulation of chlorophyll fluorescence and carbohydrate metabolism in saline-sodic stressed rice seedlings.BMC plant biology · 2024Article
- Unraveling the physiological responses of morphologically distinct corals to low oxygen.PeerJ · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photosynthesis relies on many easily oxidizable/reducible transition metals found in the metalloenzymes that make up much of the photosynthetic electron transport chain (ETC). One of these is manganese, an essential cofactor of photosystem II (PSII) and a component of the oxygen-evolving complex, the only biological entity capable of oxidizing water. Additionally, manganese is a cofactor in enzymatic antioxidants, notably the superoxide dismutases-which are localized to the chloroplastic membrane. However, unlike other metals found in the photosynthetic ETC, previous research has shown exposure to excess manganese enhances photosynthetic activity rather than diminishing it. In this study, the impact of PSII heterogeneity on overall performance was investigated using chlorophyll fluorescence, a rapid, non-invasive technique that probed for overall photosynthetic efficiency, reducing site activity, and antenna size and distribution. These measurements unveiled an enhanced plasticity of PSII following excess manganese exposure, in which overall performance and reducing center activity increased while antenna size and proportion of PSIIβ centers decreased. This enhanced activity suggests manganese may hold the key to improving photosynthetic efficiency beyond that which is observed in nature.
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