Article ID: CBB664410909

The Organism Strikes Back: Chlorella Algae and their Impact on Photosynthesis Research, 1920s–1960s (2017)

unapi

Historians and philosophers of twentieth-century life sciences have demonstrated that the choice of experimental organism can profoundly influence research fields, in ways that sometimes undermined the scientists’ original intentions. The present paper aims to enrich and broaden the scope of this literature by analysing the career of unicellular green algae of the genus Chlorella. They were introduced for the study of photosynthesis in 1919 by the German cell physiologist Otto H. Warburg, and they became the favourite research objects in this field up to the 1960s. The paper argues that dealing with Chlorella’s high metabolic flexibility was crucial for the emergence of a new conception of photosynthesis, as a plastic, integrated system of pathways. At the same time, it led to new collaborations between physiologists and phycologists, both of whom started to re-orient their studies in ecologically informed directions. Following Chlorella’s trail, hence, not only elucidates how experimental organisms forced scientists to change their conceptual approaches and techniques, but also provides insight into the interaction of different lines of research of mid-twentieth century plant sciences.

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Authors & Contributors
Nickelsen, Kärin
Gerber, Lucie
Indergaard, Mentz
Brad Bolman
Day, John G.
Hahn, Andre Michael
Journals
Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences
Journal of the History of Biology
History and Philosophy of the Life Sciences
Archives of Natural History
Journal of Applied Phycology
Philosophy & Theory in Biology
Publishers
Springer
Concepts
Botany
Experimental organisms
Photosynthesis
Algae and algology
Biochemistry
Physiology
People
Dorothy Constance Gibb
Womersley, Hugh Bryan Spencer
Anthony Morris, J.
Warburg, Otto Heinrich
Rostafinski, Jósef
Nickelsen, Kärin
Time Periods
20th century
19th century
21st century
20th century, late
20th century, early
Places
United States
Edinburgh
Madagascar
Scotland
South Africa
Poland
Institutions
Scottish Association for Marine Science
United States. National Institute of Health
University of California, Berkeley
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