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Items tagged with: ltee

Where do new genes come from? @HassanZaman91 @barricklab &co show that within the timescale of the #LTEE experiment, the co-option of #promoters, mainly from #TransposableElements, serves as the major source of raw material for #DeNovoGenes #PLOSBiology https://plos.io/4a8p6DT

Promoter recruitment drives the emergence of proto-genes in a long-term evolution experiment with Escherichia coli

De novo gene birth from non-genic sequence has received considerable attention due to the widespread occurrence of genes that are unique to particular species. This study shows that within the short evolutionary timescale of the iconic E.
plos.io
#plosbiology #ltee #TransposableElements #promoters #denovogenes

#Bacteria: The Tiny Giants

3-part #BBC #radio series narrated by #TimHayward and featuring a dozen or so #microbiologists, including (among others) #LauraHug, #PaulTurner, #ValeriaSouza and yours truly (discussing the #LTEE).

https://www.bbc.co.uk/programmes/m001qlzq


Microbial Cities and New Worlds

Tim Hayward enters the bacterial jungle and discovers a whole new world of possibilities.
BBC
#bacteria #BBC #radio #ltee #timhayward #microbiologists #laurahug #paulturner #valeriasouza

Happy 35th birthay to the #LTEE! 🎂 🎼 Started #OTD in 1988 at UC-Irvine, raised at #MSU, now residing at UT-Austin in Jeff Barrick's lab and approaching 77,000 generations!!
#evolution #science #microbiology #experiments #time #TimeTravel
#science #Evolution #time #microbiology #otd #ltee #msu #experiments #timetravel

Super interesting paper that analayzes one of the #LTEE populations that evolved stably coexisting #ecotypes from Joao Ascensao, Kelly Wetmore, Ben Good, Adam Arkin & Oskar Hallatschek. https://www.nature.com/articles/s41467-022-35677-5
#Microbiology #Evolution #ExperimentalEvolution #EcoEvo #popgen #PopulationDynamics #Genomics

Quantifying the local adaptive landscape of a nascent bacterial community - Nature Communications

Fitness landscapes largely shape the dynamics of evolution, but it is unclear how they shift upon ecological diversification. By engineering genome-wide knockout libraries of a nascent bacterial community, Ascensao et al.
Nature
#Evolution #microbiology #genomics #ecoevo #ltee #ecotypes #experimentalevolution #popgen #populationdynamics

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