AndyG
Posts: 12 Joined: April 2005
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Quote | Cite one piece, just one piece, of empirical data that links the changes in allele frequency that occurs under selection and the appearance of new structures, processes or adaptations.
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Minor quibble: Remember I said that these changes do not need to occur by selection - drift is also a mechanism of evolution.
But anyway, your example of the evolution of a new structure, adaptation or process is the evolution of nylonases in bacteria.
Negoro, S., Biodegradation of nylon oligomers (2000), Appl. Microbiol. Biotechnol.54, 461-466.
Kato K, Ohtsuki K, Koda Y, Maekawa T, Yomo T, Negoro S, and Urabe I. (1995 Oct). A plasmid encoding enzymes for nylon oligomer degradation: nucleotide sequence and analysis of pOAD2. Microbiology , 141 ( Pt 10), 2585-90.
Prijambada ID, Negoro S, Yomo T, and Urabe I. (1995 May). Emergence of nylon oligomer degradation enzymes in Pseudomonas aeruginosa PAO through experimental evolution. Appl Environ Microbiol , 61, 2020-2.
Yomo, T., Urabe, I. and Okada, H., (1992) No stop codons in the antisense strands of the genes for nylon oligomer degradation, Proceedings of the National Academy of Sciences USA 89, 3780-3784.
Kato K, Fujiyama K, Hatanaka HS, Priyambada ID, Negoro S, Urabe I, and Okada H. (1991 Aug 15). Amino acid alterations essential for increasing the catalytic activity of the nylon-oligomer-degradation enzyme of Flavobacterium sp. Eur J Biochem , 200, 165-9.
Ohno S. (1984 Apr). Birth of a unique enzyme from an alternative reading frame of the preexisted, internally repetitious coding sequence. Proc Natl Acad Sci U S A , 81, 2421-5
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