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Tag Archives: adaptation
Just So Stories addendum: How the stickleback keeps getting its stickles
Model organisms have been essential tools for genetics research since the field was formed. Kelle Freel discussed the characteristics that make for a good model organism in a previous TME post. Briefly, traits like short generation time, lots of offspring, … Continue reading
Posted in adaptation, evolution, genomics, natural history, selection, stickleback
Tagged adaptation, gene flow, natural selection, selection, stickleback
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La vie en rouge … l'algue rouge
Best laid plans of a #NewPI … what happens to them? Well, they often get triaged for more urgent things that were triaged earlier for more urgent things that were also triaged even earlier for more urgent things … and … Continue reading
Oh my ploidy … diploids evolve more slowly than haploids?
It’s been an embarrassingly long time since I last sat at my keyboard in a TME capacity (#NewPI chat doesn’t really count)! One year ago today, to be exact (writing this on 28 March, for publication on 29 March). Thus, … Continue reading
Posted in adaptation, blogging, evolution, genomics, haploid-diploid, selection, yeast
Tagged adaptation, diploid, haploid, life cycle, ploidy, selection, yeast
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Habitat-matching dispersal facilitates local adaptation
Migration disrupts local adaptation. At least, this is the first reaction I have when I consider these two processes. In fact, my initial thought is almost always: how strong does selection have to be to overcome gene flow? Gene flow … Continue reading
Posted in adaptation, evolution, Uncategorized
Tagged adaptation, experimental evolution, gene flow
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Shared patterns of genomic diversity across populations of distantly related taxa
Genomic diversity is shaped by the complex interplay between the effects of genetic drift and natural selection among populations. Several of these effects, especially those of linked selection at neutral sites, adaptive introgression, and barriers to migration (often called “genomic … Continue reading
Music to an amniote's ears, an "accordion" model of genome size evolution
How did we get where we are? Genetically speaking, that is. A few posts ago, that whole genotype-phenotype question was discussed, how do genomes make plants and animals (and don’t forget the microbes!) look and act how they do. Another … Continue reading
Posted in adaptation, bioinformatics, evolution, genomics
Tagged adaptation, amniote evolution, natural selection, transposable elements
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At the molecular level, there's more than one way to fly higher
Parallel adaptation is coming into its own lately, as we’re increasingly able to examine the molecular changes underlying similar adaptations in distantly related species. A fundamental prediction of evolutionary theory is that species coping with the same environment should converge … Continue reading
Posted in birds, evolution, mutation, natural history, phylogenetics
Tagged adaptation, hemoglobin
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Conifer convergence
Convergent local adaptation is typically studied within a species or between closely related species. In these cases, it is perhaps not unexpected to observe parallel evolution due to common genetic variation, constraints, etc. Convergence between species is somewhat less studied, … Continue reading
Posted in adaptation, association genetics, genomics, plants, selection, Uncategorized
Tagged adaptation, convergence, Evolution
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What we're reading
As we head into the weekend, here’s a few things we found this week that might be worth your screen time: In the journals Maughan, H., P. W. Wang, J. Diaz Caballero, P. Fung, Y. Gong, S. L. Donaldson, L. … Continue reading
Posted in linkfest
Tagged adaptation, coffee, cystic fibrosis, genomics, mice, microbiology, music, rice, SI-Seq
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