ArticleMarine biotechnology (New York, N.Y.)2014
Desmodesmus sp. 3Dp86E-1-a novel symbiotic chlorophyte capable of growth on pure CO2.
Article in Marine biotechnology (New York, N.Y.), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 25 citations in OpenAlex.
- Assessment of the Tolerance of a ChlorophyteNanomaterials (Basel, Switzerland) · 2023Article
- A Two-Stage Culture Strategy forMolecules (Basel, Switzerland) · 2022Article
- Stress-induced changes in the ultrastructure of the photosynthetic apparatus of green microalgae.Protoplasma · 2019Article
- Versatility of the green microalga cell vacuole function as revealed by analytical transmission electron microscopy.Protoplasma · 2017Article
- Similarity and diversity of the Desmodesmus spp. microalgae isolated from associations with White Sea invertebrates.Protoplasma · 2015Article
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7 authors at 1 institution in 1 country.
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Abstract
A novel chlorophyte Desmodesmus sp. 3Dp86E-1 isolated from a White Sea hydroid Dynamena pumila was cultivated at CO2 levels from atmospheric (the 'low-CO2' conditions) to pure carbon dioxide (the 5, 20, and 100 % CO2 conditions) under high (480 μE/(m(2) s) PAR) light. After 7 days of cultivation, the '100 % CO2' (but not 5 or 20 % CO2) cells possessed ca. four times higher chlorophyll content per dry weight (DW) unit than the low-CO2 culture. The rate of CO2 fixation under 100 % CO2 comprised ca. 1.5 L/day per L culture volume. After a lag period which depended on the CO2 level, biomass accumulation and volumetric fatty acid (FA) content of the Desmodesmus sp. 3Dp86E-1 bubbled with CO2-enriched gas mixtures increased and was comparable to that of the culture continuously bubbled with air. Under the low-to-moderate CO2 conditions, the FA percentage of the algal cells increased (to 40 % DW) whereas under high-CO2 conditions, FA percentage did not exceed 15 % DW. A strong increase in oleate (18:1) proportion of total FA at the expense of linolenate (18:3) was recorded in the '100 % CO2' cells. Electron microscopy and pulse-amplitude-modulated chlorophyll fluorescence investigation revealed no damage to or significant downregulation of the photosynthetic apparatus in '100 % CO2' cells grown at the high-PAR irradiance. Possible mechanisms of high-CO2 tolerance of Desmodesmus sp. 3Dp86E-1 are discussed in view of its symbiotic origin and possible application for CO2 biomitigation.
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