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Modeling the site-specific variation of selection patterns along lineages.
- S. Guindon, A. Rodrigo, K. Dyer, J. Huelsenbeck
- Biology, MedicineProceedings of the National Academy of Sciences…
- 31 August 2004
An approach that allows the site-specific selection process to vary along lineages of a phylogenetic tree and provides a significantly better fit to the data than one that does not take into account switches between selection patterns in the phylogeny at individual sites is described.
Sperm competition between Drosophila males involves both displacement and incapacitation
It is shown, using labelled sperm in doubly mated females, that males can both physically displace andcapacitate stored sperm from earlier-mating males.
Asymmetrical Reinforcement and Wolbachia Infection in Drosophila
It appears that there are multiple ways by which Wolbachia endosymbionts may directly and indirectly contribute to reproductive isolation and speciation.
Evolutionarily stable infection by a male-killing endosymbiont in Drosophila innubila: molecular evidence from the host and parasite genomes.
Molecular data suggest that this male-killing strain of Wolbachia discovered in natural populations of D. innubila is evolutionarily old, a conclusion supported with a simple model of parasite and mtDNA transmission dynamics.
Mighty is a novel promyogenic factor in skeletal myogenesis.
Bayesian Estimation of Positively Selected Sites
This work describes a method that identifies sites under diversifying selection using a fully Bayesian framework and demonstrates the utility of the full Bayesian approach by applying the method to a data set of the vertebrate β-globin gene.
The Ecology and Evolutionary Dynamics of Meiotic Drive.
Decreased Diversity but Increased Substitution Rate in Host mtDNA as a Consequence of Wolbachia Endosymbiont Infection
- D. Shoemaker, K. Dyer, M. Ahrens, Kevin T. McAbee, J. Jaenike
- Biology, MedicineGenetics
- 1 December 2004
It is shown that maternally transmitted endosymbionts can severely depress levels of mtDNA diversity within an infected host species, while accelerating the rate of divergence among mtDNA lineages in different species.
Chromosome-wide linkage disequilibrium as a consequence of meiotic drive
- K. Dyer, B. Charlesworth, J. Jaenike
- Medicine, BiologyProceedings of the National Academy of Sciences
- 30 January 2007
The XD chromosome in D. recens appears to be in chromosome-wide linkage disequilibrium and in the early stages of mutational degradation, which makes the XD chromosome susceptible to the accumulation of deleterious mutations.
Convergent evolution of strigolactone perception enabled host detection in parasitic plants
Functional analyses of parasitic plant strigolactone receptors in transgenic Arabidopsis suggested that convergent evolution has occurred to allow the parasitic plants to detect their hosts, and it was observed that KAI2, but not D14, is present at higher copy numbers in parasitic species than in nonparasitic relatives.