Quantasome
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Quantasomes are particles found in the thylakoid membrane of chloroplasts in which photosynthesis takes place. They are embedded in a paracrystalline array on the surface of thylakoid discs in chloroplasts. They are composed of lipids and proteins that include various photosynthetic pigments and redox carriers. For this reason they are considered to be photosynthetic units. They occur in 2 sizes: the smaller quantasome is thought to represent the site of photosystem I, the larger to represent the site of photosystem II.[clarification needed]
See also
[edit]- Light-dependent reactions
- Photophosphorylation
- Photosynthetic reaction centre
- Photosystem II
- Thylakoid
References
[edit]- ^ Pearlstein, Robert M. (September 8, 1964). "Quantasome as a Photosynthetic Unit". Science. 145 (3638): 1336. Bibcode:1964Sci...145.1336P. doi:10.1126/science.145.3638.1336. JSTOR 1713904. PMID 17802020.
- ^ Sauer, Kenneth (May 1965). "Molecular Orientation in Quantasomes". Biophysical Journal. 5 (3): 337–348. doi:10.1016/s0006-3495(65)86720-0. PMC 1367739. PMID 19431337.
- ^ Howell, Stephen H.; Moudrianakis, Evangelos N. (September 15, 1967). "Function of the "Quantasome" in Photosynthesis: Structure and Properties of Membrane-Bound Particle Active in the Dark Reactions of Photophosphorylation". Proceedings of the National Academy of Sciences of the United States of America. 58 (3): 1261–1268. Bibcode:1967PNAS...58.1261H. doi:10.1073/pnas.58.3.1261. JSTOR 58108. PMC 335777. PMID 16578666.
- ^ Allaby, Michael (1998). quantasome. Oxford University Press. ISBN 9780198608912. OCLC 70708119.
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