Abstract
In this chapter, I examine the recent development of systems biology in the light of its relations with evolutionary biology. Although a large part of systems biology is not basically interested in evolutionary issues, I show that it cannot ignore these. I focus particularly on the search of design principles, which are general principles of regulation and organization thought to be similar in engineering and biological systems. These design principles are seen as the result of convergent evolution at the molecular level, but those scientists trying to uncover such principles follow mainly approaches inspired by engineering and have rarely integrated genuine evolutionary methods. Several arguments for and against the study of biological systems based on analogies with artificial systems are discussed, but in the end I show that systems biology cannot move forward on these issues without stronger and deeper integration with evolutionary approaches.
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Notes
- 1.
Ernst Mayr famously defended the autonomy of evolutionary biology, but one can find similar examples in physiology or other traditional fields.
- 2.
This is now changing, with the emergence of variety of evolutionary systems biology research. See for example (Koonin and Wolf 2006; Knight and Pinney 2009; Rodrigues and Wagner 2009; Papp et al. 2011; Soyer 2012). For a general historical and philosophical analysis of the field, see (O’Malley 2012).
- 3.
- 4.
Alex Rosenberg (1994) has argued that natural selection selects for functions and is blind to structures when they are functionally equivalent. This argument is based on the concept of multiple realizability, which states that a function can be produced by many different structures.
- 5.
This idea is close to Dennett’s “forced moves” or “good tricks” in the design space (Dennett 1995).
- 6.
Ideas coming from engineering are of course not new in molecular biology, but only recently has a general and rigorous analysis started to be conducted.
- 7.
See Beatty 1995.
- 8.
The most complete discussion on the issue of robustness, which is central in systems biology, is Wagner (2005).
- 9.
- 10.
- 11.
But see (Wouters 2007).
- 12.
Such events are probably frequent in evolution (Zhang 2003).
- 13.
- 14.
See also Sole and Valverde (2006)
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Braillard, PA. (2015). Systems Biology and Evolutionary Biology. In: Heams, T., Huneman, P., Lecointre, G., Silberstein, M. (eds) Handbook of Evolutionary Thinking in the Sciences. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-9014-7_16
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