TY - JOUR
T1 - Seeking the chemical roots of Darwinism
T2 - Bridging between chemistry and biology
AU - Pross, Addy
PY - 2009/8/24
Y1 - 2009/8/24
N2 - Chemistry and biology are intimately connected sciences yet the chemistry-biology interface remains problematic and central issues regarding the very essence of living systems remain unresolved. In this essay we build on a kinetic theory of replicating systems that encompasses the idea that there are two distinct kinds of stability in nature-thermodynamic stability, associated with "regular" chemical systems, and dynamic kinetic stability, associated with replicating systems. That fundamental distinction is utilized to bridge between chemistry and biology by demonstrating that within the parallel world of replicating systems there is a second law analogue to the second law of thermodynamics, and that Darwinian theory may, through scientific reductionism, be related to that second law analogue. Possible implications of these ideas to the origin of life problem and the relationship between chemical emergence and biological evolution are discussed.
AB - Chemistry and biology are intimately connected sciences yet the chemistry-biology interface remains problematic and central issues regarding the very essence of living systems remain unresolved. In this essay we build on a kinetic theory of replicating systems that encompasses the idea that there are two distinct kinds of stability in nature-thermodynamic stability, associated with "regular" chemical systems, and dynamic kinetic stability, associated with replicating systems. That fundamental distinction is utilized to bridge between chemistry and biology by demonstrating that within the parallel world of replicating systems there is a second law analogue to the second law of thermodynamics, and that Darwinian theory may, through scientific reductionism, be related to that second law analogue. Possible implications of these ideas to the origin of life problem and the relationship between chemical emergence and biological evolution are discussed.
KW - Darwinian theory
KW - Kinetics
KW - Molecular evolution
KW - Rna
KW - Thermodynamics
UR - http://www.scopus.com/inward/record.url?scp=69249090141&partnerID=8YFLogxK
U2 - 10.1002/chem.200900805
DO - 10.1002/chem.200900805
M3 - Article
AN - SCOPUS:69249090141
VL - 15
SP - 8374
EP - 8381
JO - Chemistry - A European Journal
JF - Chemistry - A European Journal
SN - 0947-6539
IS - 34
ER -