Summary
In contrast to the land plants, algae have very diverse mechanisms of photosynthesis, and especially of light- harvesting pigments and assemblages. This diversity is inherited from a great diversity of plastid types with different evolutionary histories, not withstanding the fact that all plastids appear to be derived by endosymbiosis from Cyanobacteria or their forebears. The major groups of algae are therefore related to the type of protist host and the type of plastid, and these are described. In most groups of algae it appears that the plastid has been derived by at least two serial endosymbioses. A single endosymbiosis appears to have occurred in the green algae, the red algae and the glaucocystophytes. The rich variety of types and mechanisms has given rise to many biochemical products which today form the basis of a growing biotechnology industry. Algae are important economically in many other ways. From a photosynthetic point of view the algae will be a rich source of ideas for many years to come.
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Douglas, S.E., Raven, J.A., Larkum, A.W.D. (2003). The Algae and their General Characteristics. In: Larkum, A.W.D., Douglas, S.E., Raven, J.A. (eds) Photosynthesis in Algae. Advances in Photosynthesis and Respiration, vol 14. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1038-2_1
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DOI: https://doi.org/10.1007/978-94-007-1038-2_1
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