The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
An extremely low‐light adapted phototrophic sulfur bacterium from the Black Sea
Open accessAbstract
Five strains of a brown phototrophic sulfur bacterium (Chlorobium phaeobacteroides) were isolated from the chemocline of the Black Sea (80‐m depth). All contain bacteriochlorophyll e as the main photosynthetic pigment. The strains revealed extreme low‐light adaptation of growth compared to 12 other green and purple sulfur bacterial strains. At very low light intensities (<4 µ Einst m‒2 s‒1), the Black Sea strain MN 1 oxidized sulfide faster than the type strain 2430; the latter reached three times higher oxidation rates at light saturation. Low‐light adaptation is achieved by an increase of light‐harvesting pigments (175% compared to the type strain) and a very low maintenance energy requirement. The efficiency of energy transfer (59%) within light‐harvesting structures (chlorosomes) is comparable in other green sulfur bacteria and, therefore, appears to be limited by the molecular organization of the chlorosomes. From data in the literature, a light transmission of 0.0005% of surface irradiance was calculated for the chemocline of the Black Sea. Extrapolation of our laboratory data revealed that anoxygenic photosynthesis could account for 4% of total sulfide oxidation under average light conditions in situ and for 13% at maximal surface irradiance in summer.
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Metadata
- Authors
- Overmann, J., Cypionka, H., & Pfennig, N.
- Venue
- Limnology and Oceanography
- Publisher
- Wiley
- Published
- 1992-01
- Volume
- 37
- Issue
- 1
- Pages
- 150-155
- ISSN
- 0024-3590 (ISSN-L)
- 1939-5590
- OpenAlex
- W2155509258
- Cited by
- 326
- References
- 10
- FWCI
- 9.09
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Overmann, J., Cypionka, H., & Pfennig, N. (1992). An extremely low‐light adapted phototrophic sulfur bacterium from the Black Sea. Limnology and Oceanography. https://doi.org/10.4319/lo.1992.37.1.0150
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
