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{{Evolutionary biology}} |
{{Evolutionary biology}} |
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[[Evolutionary biology]], in particular the understanding of how organisms evolve through natural selection, is an area of science with many practical applications.<ref name=Bull>{{cite journal |author=Bull JJ |author2=Wichman HA |title=Applied evolution |journal=Annu Rev Ecol Syst |volume=32 |pages=183–217 |date=2001 |doi=10.1146/annurev.ecolsys.32.081501.114020 }}</ref><ref>{{cite book|last=Mindell|first=DP|title=The Evolving World: Evolution in Everyday Life|date=2007|publisher=[[Harvard University Press]]|location=Cambridge, MA|isbn=978-0674025585|pages=341}}</ref> Creationists often claim that the theory of evolution lacks any practical applications; however, this claim has been refuted by scientists.<ref name=":0">{{cite web|title=Claim CA215: |
[[Evolutionary biology]], in particular the understanding of how organisms evolve through natural selection, is an area of science with many practical applications.<ref name=Bull>{{cite journal |author=Bull JJ |author2=Wichman HA |title=Applied evolution |journal=Annu Rev Ecol Syst |volume=32 |pages=183–217 |date=2001 |doi=10.1146/annurev.ecolsys.32.081501.114020 }}</ref><ref>{{cite book|last=Mindell|first=DP|title=The Evolving World: Evolution in Everyday Life|date=2007|publisher=[[Harvard University Press]]|location=Cambridge, MA|isbn=978-0674025585|pages=341}}</ref> Creationists often claim that the theory of evolution lacks any practical applications; however, this claim has been refuted by scientists.<ref name=":0">{{cite web|title=Claim CA215: The theory of evolution is useless, without practical application|url=http://www.talkorigins.org/indexcc/CA/CA215.html|access-date=26 June 2017}}</ref> |
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==Wider biology== |
==Wider biology== |
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[[Antibiotic resistance]] can be a result of point mutations in the [[pathogen]] [[genome]] at a rate of about 1 in 10<sup>8</sup> per chromosomal replication. The antibiotic action against the pathogen can be seen as an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will result in a fully resistant colony. |
[[Antibiotic resistance]] can be a result of point mutations in the [[pathogen]] [[genome]] at a rate of about 1 in 10<sup>8</sup> per chromosomal replication. The antibiotic action against the pathogen can be seen as an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will result in a fully resistant colony. |
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Understanding the changes that have occurred during organism's evolution can reveal the genes needed to construct parts of the body, genes which may be involved in human [[genetic disorder]]s.<ref>{{cite journal |author=Maher B. |title=Evolution: Biology's next top model? |journal=Nature |volume=458 |issue=7239 |pages=695–8 |date=2009 |doi=10.1038/458695a |pmid=19360058 |doi-access=free }}</ref> For example, the [[Mexican tetra]] is an [[albino]] cavefish that lost its eyesight during evolution. Breeding together different populations of this blind fish produced some offspring with functional eyes, since different mutations had occurred in the isolated populations that had evolved in different caves.<ref>{{cite journal |author=Borowsky R |title=Restoring sight in blind cavefish |journal=Curr. Biol. |volume=18 |issue=1 |pages=R23–4 |date=2008 |pmid=18177707 |doi=10.1016/j.cub.2007.11.023 |doi-access=free }}</ref> This helped identify genes required for vision and pigmentation, such as [[crystallin]]s and the [[melanocortin 1 receptor]].<ref>{{cite journal |author=Gross JB |author2=Borowsky R |author3=Tabin CJ |title=A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus |journal= |
Understanding the changes that have occurred during organism's evolution can reveal the genes needed to construct parts of the body, genes which may be involved in human [[genetic disorder]]s.<ref>{{cite journal |author=Maher B. |title=Evolution: Biology's next top model? |journal=Nature |volume=458 |issue=7239 |pages=695–8 |date=2009 |doi=10.1038/458695a |pmid=19360058 |doi-access=free }}</ref> For example, the [[Mexican tetra]] is an [[albino]] cavefish that lost its eyesight during evolution. Breeding together different populations of this blind fish produced some offspring with functional eyes, since different mutations had occurred in the isolated populations that had evolved in different caves.<ref>{{cite journal |author=Borowsky R |title=Restoring sight in blind cavefish |journal=Curr. Biol. |volume=18 |issue=1 |pages=R23–4 |date=2008 |pmid=18177707 |doi=10.1016/j.cub.2007.11.023 |doi-access=free }}</ref> This helped identify genes required for vision and pigmentation, such as [[crystallin]]s and the [[melanocortin 1 receptor]].<ref>{{cite journal |author=Gross JB |author2=Borowsky R |author3=Tabin CJ |title=A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus |journal=PLOS Genet. |volume=5 |issue=1 |pages=e1000326 |date=2009 |pmid=19119422 |pmc=2603666 |doi=10.1371/journal.pgen.1000326 }}</ref> Similarly, comparing the genome of the [[Notothenioidei|Antarctic icefish]], which lacks [[red blood cell]]s, to close relatives such as the Antarctic rockcod revealed genes needed to make these blood cells.<ref>{{cite journal |author=Yergeau DA |author2=Cornell CN |author3=Parker SK |author4=Zhou Y |author5=Detrich HW |title=bloodthirsty, an RBCC/TRIM gene required for erythropoiesis in zebrafish |journal=Dev. Biol. |volume=283 |issue=1 |pages=97–112 |date=2005 |pmid=15890331 |doi=10.1016/j.ydbio.2005.04.006 |doi-access=free }}</ref> |
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==Computer science== |
==Computer science== |
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{{main|Evolutionary computation}} |
{{main|Evolutionary computation}} |
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As evolution can produce highly optimised processes and networks, it has many applications in [[computer science]]. Here, simulations of evolution using [[evolutionary algorithm]]s and [[artificial life]] started with the work of Nils Aall Barricelli in the 1960s, and was extended by [[Alex Fraser (scientist)|Alex Fraser]], who published a series of papers on simulation of [[artificial selection]].<ref>{{cite journal |author=Fraser AS |title=Monte Carlo analyses of genetic models |journal=Nature |volume=181 |issue=4603 |pages=208–9 |date=1958 |pmid=13504138 |doi=10.1038/181208a0 |bibcode=1958Natur.181..208F }}</ref> [[Evolutionary algorithm|Artificial evolution]] became a widely recognised optimisation method as a result of the work of [[Ingo Rechenberg]] in the 1960s and early 1970s, who used [[Evolution strategy|evolution strategies]] to solve complex engineering problems.<ref>{{cite book |last=Rechenberg |first=Ingo |date=1973 |title=Evolutionsstrategie – Optimierung technischer Systeme nach Prinzipien der biologischen Evolution (PhD thesis) |publisher=Fromman-Holzboog|language = de}}</ref> [[Genetic algorithm]]s in particular became popular through the writing of [[John Henry Holland|John Holland]].<ref>{{cite book |last=Holland |first=John H. |date=1975 |title=Adaptation in Natural and Artificial Systems |publisher=[[University of Michigan Press]] |isbn=0-262-58111-6 |url-access=registration |url=https://archive.org/details/adaptationinnatu00holl }}</ref> As academic interest grew, dramatic increases in the power of computers allowed practical applications, including the automatic evolution of computer programs.<ref>{{cite book |last=Koza|first=John R. |date=1992 |title=Genetic Programming |url=https://archive.org/details/geneticprogrammi0000koza|url-access=registration|issue=On the Programming of Computers by Means of [[Natural Selection]] |publisher=[[MIT Press]] |isbn=0-262-11170-5}}</ref> Evolutionary algorithms are now used to solve multi-dimensional problems more efficiently than software produced by human designers, and also to optimise the design of systems.<ref>{{cite journal |author=Jamshidi M |title=Tools for intelligent control: fuzzy controllers, neural networks and genetic algorithms |journal=[[Philosophical Transactions of the Royal Society A]] |volume=361 |issue=1809 |pages=1781–808 |date=2003 |pmid=12952685 |doi=10.1098/rsta.2003.1225 |bibcode=2003RSPTA.361.1781J }}</ref> |
As evolution can produce highly optimised processes and networks, it has many applications in [[computer science]]. Here, simulations of evolution using [[evolutionary algorithm]]s and [[artificial life]] started with the work of Nils Aall Barricelli in the 1960s, and was extended by [[Alex Fraser (scientist)|Alex Fraser]], who published a series of papers on simulation of [[artificial selection]].<ref>{{cite journal |author=Fraser AS |title=Monte Carlo analyses of genetic models |journal=Nature |volume=181 |issue=4603 |pages=208–9 |date=1958 |pmid=13504138 |doi=10.1038/181208a0 |bibcode=1958Natur.181..208F |s2cid=4211563 }}</ref> [[Evolutionary algorithm|Artificial evolution]] became a widely recognised optimisation method as a result of the work of [[Ingo Rechenberg]] in the 1960s and early 1970s, who used [[Evolution strategy|evolution strategies]] to solve complex engineering problems.<ref>{{cite book |last=Rechenberg |first=Ingo |date=1973 |title=Evolutionsstrategie – Optimierung technischer Systeme nach Prinzipien der biologischen Evolution (PhD thesis) |publisher=Fromman-Holzboog|language = de}}</ref> [[Genetic algorithm]]s in particular became popular through the writing of [[John Henry Holland|John Holland]].<ref>{{cite book |last=Holland |first=John H. |date=1975 |title=Adaptation in Natural and Artificial Systems |publisher=[[University of Michigan Press]] |isbn=0-262-58111-6 |url-access=registration |url=https://archive.org/details/adaptationinnatu00holl }}</ref> As academic interest grew, dramatic increases in the power of computers allowed practical applications, including the automatic evolution of computer programs.<ref>{{cite book |last=Koza|first=John R. |date=1992 |title=Genetic Programming |url=https://archive.org/details/geneticprogrammi0000koza|url-access=registration|issue=On the Programming of Computers by Means of [[Natural Selection]] |publisher=[[MIT Press]] |isbn=0-262-11170-5}}</ref> Evolutionary algorithms are now used to solve multi-dimensional problems more efficiently than software produced by human designers, and also to optimise the design of systems.<ref>{{cite journal |author=Jamshidi M |title=Tools for intelligent control: fuzzy controllers, neural networks and genetic algorithms |journal=[[Philosophical Transactions of the Royal Society A]] |volume=361 |issue=1809 |pages=1781–808 |date=2003 |pmid=12952685 |doi=10.1098/rsta.2003.1225 |bibcode=2003RSPTA.361.1781J |s2cid=34259612 }}</ref> |
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Revision as of 14:18, 12 June 2022
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Evolutionary biology, in particular the understanding of how organisms evolve through natural selection, is an area of science with many practical applications.[1][2] Creationists often claim that the theory of evolution lacks any practical applications; however, this claim has been refuted by scientists.[3]
Wider biology
The evolutionary approach is key to much current research in biology that does not set out to study evolution per se, especially in organismal biology and ecology. For example, evolutionary thinking is key to life history theory. Annotation of genes and their function relies heavily on comparative, that is evolutionary, approaches. The field of evolutionary developmental biology investigates how developmental processes work by using the comparative method to determine how they evolved.[3]
Artificial selection
A major technological application of evolution is artificial selection, which is the intentional selection of certain traits in a population of organisms. Humans have used artificial selection for thousands of years in the domestication of plants and animals.[4] More recently, such selection has become a vital part of genetic engineering, with selectable markers such as antibiotic resistance genes being used to manipulate DNA in molecular biology. It is also possible to use repeated rounds of mutation and selection to evolve proteins with particular properties, such as modified enzymes or new antibodies, in a process called directed evolution.[5]
Medicine
Antibiotic resistance can be a result of point mutations in the pathogen genome at a rate of about 1 in 108 per chromosomal replication. The antibiotic action against the pathogen can be seen as an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will result in a fully resistant colony.
Understanding the changes that have occurred during organism's evolution can reveal the genes needed to construct parts of the body, genes which may be involved in human genetic disorders.[6] For example, the Mexican tetra is an albino cavefish that lost its eyesight during evolution. Breeding together different populations of this blind fish produced some offspring with functional eyes, since different mutations had occurred in the isolated populations that had evolved in different caves.[7] This helped identify genes required for vision and pigmentation, such as crystallins and the melanocortin 1 receptor.[8] Similarly, comparing the genome of the Antarctic icefish, which lacks red blood cells, to close relatives such as the Antarctic rockcod revealed genes needed to make these blood cells.[9]
Computer science
As evolution can produce highly optimised processes and networks, it has many applications in computer science. Here, simulations of evolution using evolutionary algorithms and artificial life started with the work of Nils Aall Barricelli in the 1960s, and was extended by Alex Fraser, who published a series of papers on simulation of artificial selection.[10] Artificial evolution became a widely recognised optimisation method as a result of the work of Ingo Rechenberg in the 1960s and early 1970s, who used evolution strategies to solve complex engineering problems.[11] Genetic algorithms in particular became popular through the writing of John Holland.[12] As academic interest grew, dramatic increases in the power of computers allowed practical applications, including the automatic evolution of computer programs.[13] Evolutionary algorithms are now used to solve multi-dimensional problems more efficiently than software produced by human designers, and also to optimise the design of systems.[14]
References
- ^ Bull JJ; Wichman HA (2001). "Applied evolution". Annu Rev Ecol Syst. 32: 183–217. doi:10.1146/annurev.ecolsys.32.081501.114020.
- ^ Mindell, DP (2007). The Evolving World: Evolution in Everyday Life. Cambridge, MA: Harvard University Press. p. 341. ISBN 978-0674025585.
- ^ a b "Claim CA215: The theory of evolution is useless, without practical application". Retrieved 26 June 2017.
- ^ Doebley JF; Gaut BS; Smith BD (2006). "The molecular genetics of crop domestication". Cell. 127 (7): 1309–21. doi:10.1016/j.cell.2006.12.006. PMID 17190597.
- ^ Jäckel C; Kast P; Hilvert D (2008). "Protein design by directed evolution". Annu Rev Biophys. 37: 153–73. doi:10.1146/annurev.biophys.37.032807.125832. PMID 18573077.
- ^ Maher B. (2009). "Evolution: Biology's next top model?". Nature. 458 (7239): 695–8. doi:10.1038/458695a. PMID 19360058.
- ^ Borowsky R (2008). "Restoring sight in blind cavefish". Curr. Biol. 18 (1): R23–4. doi:10.1016/j.cub.2007.11.023. PMID 18177707.
- ^ Gross JB; Borowsky R; Tabin CJ (2009). "A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus". PLOS Genet. 5 (1): e1000326. doi:10.1371/journal.pgen.1000326. PMC 2603666. PMID 19119422.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ Yergeau DA; Cornell CN; Parker SK; Zhou Y; Detrich HW (2005). "bloodthirsty, an RBCC/TRIM gene required for erythropoiesis in zebrafish". Dev. Biol. 283 (1): 97–112. doi:10.1016/j.ydbio.2005.04.006. PMID 15890331.
- ^ Fraser AS (1958). "Monte Carlo analyses of genetic models". Nature. 181 (4603): 208–9. Bibcode:1958Natur.181..208F. doi:10.1038/181208a0. PMID 13504138. S2CID 4211563.
- ^ Rechenberg, Ingo (1973). Evolutionsstrategie – Optimierung technischer Systeme nach Prinzipien der biologischen Evolution (PhD thesis) (in German). Fromman-Holzboog.
- ^ Holland, John H. (1975). Adaptation in Natural and Artificial Systems. University of Michigan Press. ISBN 0-262-58111-6.
- ^ Koza, John R. (1992). Genetic Programming. MIT Press. ISBN 0-262-11170-5.
- ^ Jamshidi M (2003). "Tools for intelligent control: fuzzy controllers, neural networks and genetic algorithms". Philosophical Transactions of the Royal Society A. 361 (1809): 1781–808. Bibcode:2003RSPTA.361.1781J. doi:10.1098/rsta.2003.1225. PMID 12952685. S2CID 34259612.