Effect of manganese and calcium deficiency on the growth and oxygen exchange of Scenedesmus intermedius cultured for successive generations
Language English Country United States Media print
Document type Journal Article
PubMed
11347260
DOI
10.1007/bf02817561
Knihovny.cz E-resources
- MeSH
- Time Factors MeSH
- Chlorophyta growth & development MeSH
- Photosynthesis MeSH
- Culture Media MeSH
- Oxygen metabolism MeSH
- Manganese deficiency MeSH
- Calcium deficiency MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- Culture Media MeSH
- Oxygen MeSH
- Manganese MeSH
- Calcium MeSH
The green alga Scenedesmus intermedius was grown in synchronous culture under manganese or calcium deficiency for six successive generations. The growth rate, pigment and protein contents gradually decreased in comparison with the control. In Mn-deficient cells, the rate of oxygen evolution was sharply decreased. This inhibition was restored to normal in less than 1 h (40-60 min) by adding Mn salt to the suspension medium. In Ca-deficient cells, the inhibition of photosynthesis appears to be irreversible.
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