Complex system biology

Complex system biology

Complex systems biology (CSB) is a branch or subfield of mathematical and theoretical biology concerned with complexity of both structure and function in biological organisms, as well as the emergence and evolution of organisms and species, with emphasis being placed on the complex interactions of, and within, bionetworks,[1] and on the fundamental relations and relational patterns that are essential to life.[2][3][4][5][6] CSB is thus a field of theoretical sciences aimed at discovering and modeling the relational patterns essential to life that has only a partial overlap with complex systems theory,[7] and also with the systems approach to biology called systems biology; this is because the latter is restricted primarily to simplified models of biological organization and organisms, as well as to only a general consideration of philosophical or semantic questions related to complexity in biology.[8] Moreover, a wide range of abstract theoretical complex systems are studied as a field of applied mathematics, with or without relevance to biology, chemistry or physics.

Network Representation of a Complex Adaptive System

Contents

Complexity of organisms and biosphere

A complete definition of complexity for individual organisms, species, ecosystems, biological evolution and the biosphere has eluded researchers, and still is an ongoing issue[3][9].

Seawifs global biosphere.jpg

Most complex system models are often formulated in terms of concepts drawn from statistical physics, information theory and non-linear dynamics; however, such approaches are not focused on, or do not include, the conceptual part of complexity related to organization and topological attributes or algebraic topology, such as network connectivity of genomes, interactomes and biological organisms that are very important[6][10][11]. Recently, the two complementary approaches based both on information theory, network topology/abstract graph theory concepts are being combined for example in the fields of neuroscience and human cognition[12][7]. It is generally agreed that there is a hierarchy of complexity levels of organization that should be considered as distinct from that of the levels of reality in ontology[13][14][15][7]. The hierarchy of complexity levels of organization in the biosphere is also recognized in modern classifications of taxonomic ranks, such as: biological domain and biosphere, biological kingdom, Phylum, biological class, order, family, genus and species. Because of their dynamic and composition variability, intrinsic "fuzziness", autopoietic attributes, ability to self-reproduce, and so on, organisms do not fit into the 'standard' definition of general systems, and they are therefore 'super-complex' in both their function and structure; organisms can be thus be defined in CSB only as 'meta-systems' of simpler dynamic systems[16][7]Such a meta-system definition of organisms, species, 'ecosystems', and so on, is not equivalent to the definition of a system of systems as in Autopoietic Systems Theory,[17]; it also differs from the definition proposed for example by K.D. Palmer in meta-system engineering[18], organisms being quite different from machines and automata with fixed input-output transition functions, or a continuous dynamical system with fixed phase space[19], contrary to the Cartesian philosophical thinking; thus, organisms cannot be defined merely in terms of a quintuple A of (states, startup state, input and output sets/alphabet, transition function)[20], although 'non-deterministic automata', as well as 'fuzzy automata' have also been defined. Tessellation or cellular automata provide however an intuitive, visual/computational insight into the lower levels of complexity, and have therefore become an increasingly popular, discrete model studied in computability theory, applied mathematics, physics, computer science, theoretical biology/systems biology, cancer simulations and microstructure modeling. Evolving cellular automata using genetic algorithms[21][22][23] is also an emerging field attempting to bridge the gap between the tessellation automata and the higher level complexity approaches in CSB.

Topics in complex systems biology

Animated Molecular Model of a DNA double helix
Telomerase structure and function

The following is only a partial list of topics covered in complex systems biology:

A Complex Signal Transduction Pathway

Related journals

CBS societies and institutes

See also

Portal icon Systems science portal
Portal icon Mathematics portal
Life Domain Kingdom Phylum Class Order Family Genus Species
The hierarchy of biological classification's eight major taxonomic ranks, which is an example of definition by genus and differentia. Intermediate minor rankings are not shown.

Biographies

References cited

  • J.D. Murray, Mathematical Biology. Springer-Verlag, 3rd ed. in 2 vols.: Mathematical Biology: I. An Introduction, 2002 ISBN 0-387-95223-3; Mathematical Biology: II. Spatial Models and Biomedical Applications, 2003 ISBN 0-387-95228-4.
  • Thompson, D'Arcy W., 1992. On Growth and Form. Dover reprint of 1942, 2nd ed. (1st ed., 1917). ISBN 0-486-67135-6
  • Nicolas Rashevsky. (1938)., Mathematical Biophysics. Chicago: University of Chicago Press.
  • Robert Rosen.1970. Dynamical system theory in biology. New York, Wiley-Interscience. ISBN 0-471-73550-7
  • Israel, G., 2005, "Book on mathematical biology" in Grattan-Guinness, I., ed., Landmark Writings in Western Mathematics. Elsevier: 936-44.
  • Israel G (1988). "On the contribution of Volterra and Lotka to the development of modern biomathematics". History and Philosophy of the Life Sciences 10 (1): 37–49. PMID 3045853. 
  • Scudo FM (March 1971). "Vito Volterra and theoretical ecology". Theoretical Population Biology 2 (1): 1–23. doi:10.1016/0040-5809(71)90002-5. PMID 4950157. 
  • S.H. Strogatz, Nonlinear dynamics and Chaos: Applications to Physics, Biology, Chemistry, and Engineering. Perseus, 2001, ISBN 0-7382-0453-6
  • N.G. van Kampen, Stochastic Processes in Physics and Chemistry, North Holland., 3rd ed. 2001, ISBN 0-444-89349-0
  • I. C. Baianu., Computer Models and Automata Theory in Biology and Medicine., Monograph, Ch.11 in M. Witten (Editor), Mathematical Models in Medicine, vol. 7., Vol. 7: 1513-1577 (1987),Pergamon Press:New York, (updated by Hsiao Chen Lin in 2004 ISBN 0-08-036377-6
  • P.G. Drazin, Nonlinear systems. C.U.P., 1992. ISBN 0-521-40668-4
  • L. Edelstein-Keshet, Mathematical Models in Biology. SIAM, 2004. ISBN 0-07-554950-6
  • G. Forgacs and S. A. Newman, Biological Physics of the Developing Embryo. C.U.P., 2005. ISBN 0-521-78337-2
  • E. Renshaw, Modelling biological populations in space and time. C.U.P., 1991. ISBN 0-521-44855-7
  • Rosen, Robert.1991, Life Itself: A Comprehensive Inquiry into the Nature, Origin, and Fabrication of Life, Columbia University Press, published posthumously:
  • Rosen, Robert. 2000, Essays on Life Itself, Columbia University Press.
  • Rosen, Robert. 2003, "Anticipatory Systems; Philosophical, Mathematical, and Methodolical Foundations", Rosen Enterprises publs.
  • S.I. Rubinow, Introduction to mathematical biology. John Wiley, 1975. ISBN 0-471-74446-8
  • L.A. Segel, Modeling dynamic phenomena in molecular and cellular biology. C.U.P., 1984. ISBN 0-521-27477-X.
  • D.W. Jordan and P. Smith, Nonlinear ordinary differential equations, 2nd ed. O.U.P., 1987. ISBN 0-19-856562-3
  • L. Preziosi, Cancer Modelling and Simulation. Chapman Hall/CRC Press, 2003. ISBN 1-58488-361-8.
  • Graeme Donald Snooks, "A general theory of complex living systems: Exploring the demand side of dynamics", Complexity, vol. 13, no. 6, July/August 2008.
  • Tsekeris, Charalambos. "Advances in Understanding Human Complex Systems", Australian Journal of Basic and Applied Sciences, vol. 3, no. 4, October/December 2009.
  • Bonner, J. T. 1988. The Evolution of Complexity by Means of Natural Selection. Princeton: Princeton University Press.

Further reading

Notes

  1. ^ Sprites, P; Glymour, C; Scheines, R (2000). Causation, Prediction, and Search: Adaptive Computation and Machine Learning (2nd ed.). MIT Press. 
  2. ^ Graeme Donald Snooks, "A general theory of complex living systems: Exploring the demand side of dynamics", Complexity, vol. 13, no. 6, July/August 2008.
  3. ^ a b Bonner, J. T. 1988. The Evolution of Complexity by Means of Natural Selection. Princeton: Princeton University Press.
  4. ^ Rosen, R.: 1958a, "A Relational Theory of Biological Systems". Bulletin of Mathematical Biophysics 20: 245-260
  5. ^ Baianu, I. C.: 2006, "Robert Rosen's Work and Complex Systems Biology", Axiomathes 16(1-2):25-34
  6. ^ a b Rosen, R.: 1958b, "The Representation of Biological Systems from the Standpoint of the Theory of Categories.", Bulletin of Mathematical Biophysics 20: 317-341.
  7. ^ http://www.semantic-systems-biology.org/ Semantic Systems Biology Portal
  8. ^ Heylighen, Francis (2008). "Complexity and Self-Organization". In Bates, Marcia J.; Maack, Mary Niles. Encyclopedia of Library and Information Sciences. CRC. ISBN 9780849397127
  9. ^ ^ Heylighen, Francis (2008). "Complexity and Self-Organization". In Bates, Marcia J.; Maack, Mary Niles. Encyclopedia of Library and Information Sciences. CRC. ISBN 9780849397127
  10. ^ "abstract relational biology (ARB)". PlanetPhysics. Retrieved 2010-03-17.
  11. ^ http://hdl.handle.net/10101/npre.2011.6115.1 Wallace, Rodrick. When Spandrels Become Arches: Neural crosstalk and the evolution of consciousness. Available from Nature Precedings (2011)
  12. ^ Poli,R.: 2001a. The Basic Problem of the Theory of Levels of Reality, Axiomathes, 12: 3-4, pp.261-283.
  13. ^ http://philica.com/display_article.php?article_id=256 Baianu, I. and R. Poli.(2011). From Simple to Complex and Ultra-complex Systems: A Paradigm Shift Towards Non-Abelian Systems Dynamics. philo.philica.com Article # 256.
  14. ^ Poli, R.: 1998, Levels, Axiomathes, 9, (1-2):197-211
  15. ^ Metasystem Transition Theory, Valentin Turchin, Cliff Joslyn, 1993-1997
  16. ^ Reflexive Autopoietic Systems Theory
  17. ^ Meta-system Engineering, Kent D. Palmer, 1996
  18. ^ Hoff, M.A., Roggia, K.G., Menezes, P.B.:(2004). Composition of Transformations: A Framework for Systems with Dynamic Topology. International Journal of Computing Anticipatory Systems 14:259–270
  19. ^ John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman.2000. Introduction to Automata Theory, Languages, and Computation (2nd Edition)Pearson Education. isbn:0-201-44124-1
  20. ^ The Evolutionary Design of Collective Computation in Cellular Automata, James P. Crutchfeld, Melanie Mitchell, Rajarshi Das (In J. P. Crutchfield and P. K. Schuster (editors), Evolutionary Dynamics|Exploring the Interplay of Selection, Neutrality, Accident, and Function. New York: Oxford University Press, 2002.)
  21. ^ Evolving Cellular Automata with Genetic Algorithms: A Review of Recent Work, Melanie Mitchell, James P. Crutchfeld, Rajarshi Das (In Proceedings of the First International Conference on Evolutionary Computation and Its Applications (EvCA'96). Moscow, Russia: Russian Academy of Sciences, 1996.)
  22. ^ http://adsabs.harvard.edu/abs/2004PNAS..101..918P Peak, West; Messinger, Mott; Messinger, SM; Mott, KA (2004). "Evidence for complex, collective dynamics and emergent, distributed computation in plants". Proceedings of the National Academy of Sciences of the USA 101 (4): 918–922. Bibcode 2004PNAS..101..918P. doi:10.1073/pnas.0307811100. PMC 327117. PMID 14732685. http://www.pnas.org/cgi/content/abstract/101/4/918. 
  23. ^ Rosen, R. 1960. (1960). "A quantum-theoretic approach to genetic problems". Bulletin of Mathematical Biophysics 22 (3): 227–255. doi:10.1007/BF02478347. 
  24. ^ Rosen, R.: 1958a, "A Relational Theory of Biological Systems". Bulletin of Mathematical Biophysics 20: 245-260.
  25. ^ Baianu, I. C.: 2006, (2006). "Robert Rosen's Work and Complex Systems Biology". Axiomathes 16 (1–2): 25–34. doi:10.1007/s10516-005-4204-z. 
  26. ^ Rosen, R.: 1958b, (1958). "The Representation of Biological Systems from the Standpoint of the Theory of Categories". Bulletin of Mathematical Biophysics 20 (4): 317–341. doi:10.1007/BF02477890. 
  27. ^ http://planetmath.org/?op=getobj&from=objects&id=10921
  28. ^ "PlanetMath". PlanetMath. http://planetmath.org/?method=l2h&from=objects&name=NaturalTransformationsOfOrganismicStructures&op=getobj. Retrieved 2010-03-17. 
  29. ^ a b Faith, JJ et al. (2007). "Large-Scale Mapping and Validation of Escherichia coli Transcriptional Regulation from a Compendium of Expression Profiles". PLoS Biology 5 (1): 54–66. doi:10.1371/journal.pbio.0050008. PMC 1764438. PMID 17214507. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1764438. 
  30. ^ a b Hayete, B; Gardner, TS; Collins, JJ (2007). "Size matters: network inference tackles the genome scale". Molecular Systems Biology 3 (1): 77. doi:10.1038/msb4100118. PMC 1828748. PMID 17299414. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1828748. 
  31. ^ "abstract relational biology (ARB)". PlanetPhysics. http://planetphysics.org/encyclopedia/AbstractRelationalBiologyARB.html. Retrieved 2010-03-17. 
  32. ^ "Molecular Evolution and Protobiology | KLI Theory Lab". Theorylab.org. 2009-05-26. http://theorylab.org/node/52354. Retrieved 2010-03-17. 

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