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PHYCOBILISOMES OF PORPHYRIDIUM CRUENTUM
Open accessAbstract
A procedure was developed for the isolation of phycobilisomes from Porphyridium cruentum. The cell homogenate, suspended in phosphate buffer (pH 6.8), was treated with 1% Triton X-100, and its supernatant fraction was centrifuged on a sucrose step gradient. Phycobilisomes were recovered in the 1 M sucrose band. The phycobilisome fraction was identified by the characteristic appearance of the phycobilisomes, and the absorbance of the component pigments: phycoerythrin, R-phycocyanin, and allophycocyanin Isolated phycobilisomes had a prolate shape, with one particle axis longer than the other. Their size varied somewhat with their integrity, but was about 400–500 A (long axis) by 300–320 A (short axis). Phycobilisome recovery was determined at six phosphate buffer concentrations from 0.067 M to 1.0 M. In 0.5 M phosphate, phycobilisome yield (60%) and preservation were optimal. Such a preparation had a phycoerythrin 545 nm/phycocyanin 620 nm ratio of 8.4. Of the detergents tested (Triton X-100, Tween 80, and sodium deoxycholate), Triton X-100 gave the best results Freezing of the cells caused destruction of phycobilisomes.
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Cited by
The phycobilisome, a light-harvesting complex responsive to environmental conditions
Grossman, A. R., Schaefer, M. R., Chiang, G. G., & Collier, J. L. (1993) · Microbiological Reviews · doi:10.1128/mr.57.3.725-749.1993 · Cited by 649
Phycobilisome a macromolecular complex optimized for light energy transfer
Glazer, A. N. (1984) · Biochimica et Biophysica Acta (BBA) - Reviews on Bioenergetics · doi:10.1016/0304-4173(84)90006-5 · Cited by 490
Antiviral effect of red microalgal polysaccharides on Herpes simplex and Varicella zoster viruses
Huleihel, M., Ishanu, V., Tal, J., & Arad, S. (2001) · Journal of Applied Phycology · doi:10.1023/a:1011178225912 · Cited by 179
Sui, S.-F. (2021) · Annual Review of Biophysics · doi:10.1146/annurev-biophys-062920-063657 · Cited by 72
Controlling Light Harvesting with Light
Gwizdala, M., Berera, R., Kirilovsky, D., van Grondelle, R., & Krüger, T. P. J. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b04811 · Cited by 60
Metadata
- Authors
- Gantt, E., & Lipschultz, C. A.
- Venue
- The Journal of Cell Biology
- Publisher
- Rockefeller University Press
- Published
- 1972-08-01
- Volume
- 54
- Issue
- 2
- Pages
- 313-324
- ISSN
- 0021-9525 (ISSN-L)
- 1540-8140
- OpenAlex
- W2044775952
- Cited by
- 180
- References
- 0
- FWCI
- 4.30
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Gantt, E., & Lipschultz, C. A. (1972). PHYCOBILISOMES OF PORPHYRIDIUM CRUENTUM. The Journal of Cell Biology. https://doi.org/10.1083/jcb.54.2.313
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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.
