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{{short description|American evolutionary biologist}}
{{About|Richard Lenski, the evolutionary biologist|the Lutheran commentator (his ancestor)|Richard C. H. Lenski}}
{{Infobox scientist
| name = Richard E. Lenski
| image = Richard Lenski with Long-Term Flasks and Incubator on May 26, 2016.jpg
| image_size =
| alt =
| caption = Richard Lenski with Long-Term Flasks and Incubator on May 26, 2016
|
| fields = [[Evolutionary biology]] [[Experimental evolution]] [[Microbiology]]▼
| birth_place =▼
▲| fields = [[Evolutionary biology]] [[Experimental evolution]]
| workplaces = [[Michigan State University]]<br>[[University of California, Irvine]]
| alma_mater = [[University of North Carolina, Chapel Hill]]<br>[[Oberlin College]]
| thesis_title = Effects of competition and disturbance on ground beetle populations
| thesis_url =
| thesis_year = 1982
| doctoral_advisor = [[Nelson Hairston]]
| academic_advisors = Bruce Levin (Postdoctoral Mentor)
| doctoral_students = [[Paul E. Turner]]<br>[[Zachary Blount]]<br>[[Michael Travisano]]
| notable_students =
| known_for = [[E. coli long-term evolution experiment]]
| author_abbrev_bot =
| author_abbrev_zoo =
| influences =
| influenced =
| awards = [[National Center for Science Education|NCSE]] Friend of Darwin Award {{small|(2017)}}<ref name="auto">{{Cite web | url=https://msutoday.msu.edu/news/2017/msus-richard-lenski-wins-2017-friend-of-darwin-award/ |title = MSU's Richard Lenski wins 2017 Friend of Darwin award}}</ref><br/>[[Sewall Wright Award]] {{small|(2012)}}<br/>[[MacArthur Fellowship]] {{small|(1996)}}<br/>[[Guggenheim Fellowship]] {{small|(1991)}}<ref>{{Cite web | url=https://www.gf.org/fellows/all-fellows/richard-e-lenski/ |title = John Simon Guggenheim Foundation | Richard E. Lenski}}</ref>
| signature = <!--(filename only)-->
| signature_alt =
| website = {{URL|
{{URL|https://telliamedrevisited.wordpress.com/}}
{{URL|https://the-ltee.org/}}
|
}}
'''Richard E. Lenski''' (born
==Early life==
Richard
== Scientific career ==
After completing his doctoral degree, Lenski did postdoctoral research in the laboratory of Bruce Levin at the [[University of Massachusetts Amherst|University of Massachusetts, Amherst]], where he began his work studying microbiology. In 1985, Lenski joined the faculty in the Department of Ecology and Evolutionary Biology at the [[University of California, Irvine]], and he was promoted to associate professor there in 1988.<ref>{{Cite web |title=Richard Lenski {{!}} Biographical Sketch |url=https://lenski.mmg.msu.edu/BioSketch.html |access-date=2024-08-23 |website=lenski.mmg.msu.edu}}</ref> In 1991, Lenski moved his lab to Michigan State University, joining the [[National Science Foundation|NSF]] Science and Technology Center for Microbial Ecology there. Lenski did sabbaticals at [[University of Oxford|Oxford University]], working with [[Robert May, Baron May of Oxford|Robert May]],<ref>{{Cite journal |last=Lenski |first=Richard E. |last2=May |first2=Robert M. |date=1994-08-07 |title=The Evolution of Virulence in Parasites and Pathogens: Reconciliation Between Two Competing Hypotheses |url=https://www.sciencedirect.com/science/article/abs/pii/S0022519384711465?via=ihub |journal=Journal of Theoretical Biology |volume=169 |issue=3 |pages=253–265 |doi=10.1006/jtbi.1994.1146 |issn=0022-5193}}</ref> and the [[University of Montpellier]], hosted by Isabelle Olivieri.
Lenski won a [[Guggenheim Fellowship]] in 1992 and a [[MacArthur Award#MacArthur Fellowship|MacArthur Fellowship]] in 1996, and in 2006 he was elected to the [[United States National Academy of Sciences]].{{citation needed|date=December 2012}}▼
==Research==
===''E. coli'' experiment===▼
On February 17, 2010, he co-founded the NSF Science and Technology Center for the Study of Evolution in Action, known as the [[BEACON Center]].{{citation needed|date=December 2012}}▼
▲===E. coli experiment===
{{Main|E. coli long-term evolution experiment}}
[[Image:Lenski's 12 long-term lines of E. coli on 25 June 2008.jpg|left|thumb|300px|The 12 evolving ''E. coli'' populations on June 25, 2008]]
The ''E. coli'' long-term evolution experiment is an ongoing study in [[experimental evolution]] led by Richard Lenski that has been tracking genetic changes in 12 initially identical populations of asexual ''[[Escherichia coli]]'' bacteria since 24 February 1988.<ref name="Source">{{cite web |first=Richard E. |last=Lenski |url=http://myxo.css.msu.edu/ecoli/strainsource.html |title=Source of founding strain |publisher=Michigan State University |work=Richard E. Lenski Homepage |year=2000 |accessdate=2008-06-18 |archive-date=2018-05-31 |archive-url=https://web.archive.org/web/20180531192907/http://myxo.css.msu.edu/ecoli/strainsource.html |url-status=dead }}</ref> The populations reached the milestone of
Since the experiment's inception, Lenski and his colleagues have reported a wide array of genetic changes; some evolutionary [[adaptation]]s have occurred in all 12 populations, while others have only appeared in one or a few populations. One particularly striking adaptation was the evolution of a strain of ''E. coli'' that was able to use [[citrate]] as a carbon source in an aerobic environment.<ref name=pmid18524956>{{cite journal |pages=7899–906 |doi=10.1073/pnas.0803151105 |title=Historical contingency and the evolution of a key innovation in an experimental population of ''Escherichia coli'' |year=2008 |last1=Blount |first1=Zachary D. |last2=Borland |first2=Christina Z. |last3=Lenski |first3=Richard E. |journal=Proceedings of the National Academy of Sciences |volume=105 |issue=23 |jstor=25462703 |pmid=18524956 |bibcode=2008PNAS..105.7899B |pmc=2430337|doi-access=free }}</ref> A defining characteristic of ''E. coli'' is its inability to use citrate as an energy source under oxic conditions.<ref>{{Cite journal |last1=Blount |first1=Zachary |last2=Borland |first2=Christina |last3=Lenski |first3=Richard |date=June 10, 2008 |title=Historical contingency and the evolution of a key innovation in an experimental population of Escherichia coli |journal=PNAS |volume=105 |issue=23 |pages=7899–7906|doi=10.1073/pnas.0803151105 |pmid=18524956 |pmc=2430337 |bibcode=2008PNAS..105.7899B |doi-access=free }}</ref>
===Avida simulation===
Richard Lenski
==
In August 2013, having been inspired by a presentation by Titus Brown on the role of social media in science, Lenski began blogging at [http://telliamedrevisited.wordpress.com/ Telliamed Revisited] and [[Twitter|tweet]]ing as [https://twitter.com/RELenski @RELenski].<ref>{{cite web|url=http://telliamedrevisited.wordpress.com/2013/08/19/welcome-to-telliamed-revisited/|title=Welcome to Telliamed Revisited|author=Richard Lenski|date=August 19, 2013}}</ref>
{{see also|Conservapedia#Lenski dialogue}}
Lenski's research has received considerable attention, including lengthy discussion in [[Carl Zimmer]]'s book on ''E. coli'', ''Microcosm'', and in [[Richard Dawkins]]' book on the evidence for evolution, ''[[The Greatest Show on Earth: The Evidence for Evolution|The Greatest Show on Earth]]''. Included in Dawkins' discussion was a description of
In 2021, Lenski was interviewed about the [[E. coli long-term evolution experiment|long-term evolution experiment]] by [[Derek Muller#Veritasium and other YouTube channels|Derek Muller for a ''Veritasium'']] video, which has been viewed over 6 million times.<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=w4sLAQvEH-M |title=The Longest-Running Evolution Experiment |date=2021-06-16 |last=Veritasium |access-date=2024-08-23 |via=YouTube}}</ref>
== Honors ==
▲Lenski
Lenski is a [[fellow]] at the [[American Academy of Microbiology]]<ref>{{Cite web |title=American Academy of Microbiology |url=https://asm.org/Academy/Academy |access-date=2024-08-23 |website=ASM.org |language=en}}</ref> and the [[American Academy of Arts and Sciences]],<ref>{{Cite web |date=2024-08-23 |title=Richard E. Lenski {{!}} American Academy of Arts and Sciences |url=https://www.amacad.org/person/richard-e-lenski |access-date=2024-08-23 |website=www.amacad.org |language=en}}</ref> and he holds the title of the John A. Hannah Distinguished Professor of [[microbial ecology|Microbial Ecology]] at [[Michigan State University]].<ref>{{Cite web |title=Richard Lenski {{!}} Honored Faculty {{!}} Michigan State University |url=https://msu.edu/honoredfaculty/directory/lenski-richard.html |access-date=2024-08-23 |website=msu.edu}}</ref>
▲On February 17, 2010, he co-founded the NSF Science and Technology Center for the Study of Evolution in Action, known as the [[BEACON Center]].
He was elected to the [[American Philosophical Society]] in 2018.<ref>{{Cite web |title=Election of New Members at the 2018 Spring Meeting |url=https://www.amphilsoc.org/blog/election-new-members-2018-spring-meeting}}</ref>
Lenski was the recipient of the 2021 Lifetime Achievement Award from the [[Society for the Study of Evolution]].<ref>{{Cite web |title=Society for the Study of Evolution |url=https://www.evolutionsociety.org/society-awards-and-prizes/lifetime-achievement-award.html |access-date=2021-07-04 |website=www.evolutionsociety.org |language=en}}</ref>
== Selected works ==
* Lenski, R. E., and M. Travisano. 1994. Dynamics of adaptation and diversification: a 10,000-generation experiment with bacterial populations. ''Proceedings of the National Academy of Sciences, USA'' 91: 6808-6814.
* Lenski, R. E., and R. M. May. 1994. The evolution of virulence in parasites and pathogens: reconciliation between two competing hypotheses. ''Journal of Theoretical Biology'' 169: 253-265.
* Bohannan, B. J. M., and R. E. Lenski. 2000. Linking genetic change to community evolution: insights from studies of bacteria and bacteriophage. ''Ecology Letters'' 3: 362-377.
* Lenski, R. E., C. Ofria, R. T. Pennock, and C. Adami. 2003. The evolutionary origin of complex features. ''Nature'' 423: 139-144.
* Blount, Z. D., J. E. Barrick, C. J. Davidson, and R. E. Lenski. 2012. Genomic analysis of a key innovation in an experimental ''Escherichia coli'' population. ''Nature'' 489: 513-518.
* Wiser, M. J., N. Ribeck, and R. E. Lenski. 2013. Long-term dynamics of adaptation in asexual populations. ''Science'' 342: 1364-1367.
* Tenaillon, O., J. E. Barrick, N. Ribeck, D. E. Deatherage, J. L. Blanchard, A. Dasgupta, G. C. Wu, S. Wielgoss, S. Cruveiller, C. Médigue, D. Schneider, and R. E. Lenski. 2016. Tempo and mode of genome evolution in a 50,000-generation experiment. ''Nature'' 536: 165-170. [DOI: 10.1038/nature18959]
* Losos, J. B., and R. E. Lenski, eds. 2016. ''How Evolution Shapes Our Lives: Essays on Biology and Society''. Princeton University Press, Princeton, NJ.
* Blount, Z. D., R. E. Lenski, and J. B. Losos. 2018. Contingency and determinism in evolution: replaying life’s tape. ''Science'' 362: eaam5979. [DOI: 10.1126/science.aam5979]
== References ==
{{reflist|2}}
==External links==
* [https://scholar.google.com/citations?user=wjPrcoUAAAAJ&hl=en List of publications at Google Scholar]
* [http://myxo.css.msu.edu/ecoli/ ''E. coli'' Long-term Experimental evolution site] {{Webarchive|url=https://web.archive.org/web/20170727225642/http://myxo.css.msu.edu/ecoli/ |date=2017-07-27 }}
* [http://www.beacon.msu.edu/ BEACON Center for the Study of Evolution in Action]
* [https://web.archive.org/web/20070815154133/http://newsroom.msu.edu/site/indexer/2765/content.htm News release from Michigan State University]
* [http://scienceblogs.com/loom/2008/06/02/a-new-step-in-evolution/ The Loom : A New Step In Evolution]
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[[Category:University of North Carolina at Chapel Hill alumni]]
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[[Category:Members of the American Philosophical Society]]
[[Category:Researchers of artificial life]]
[[Category:American microbiologists]]
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