Horizontal Gene Transfer, Dispersal and Haloarchaeal Speciation
AbstractThe Halobacteria are a well-studied archaeal class and numerous investigations are showing how their diversity is distributed amongst genomes and geographic locations. Evidence indicates that recombination between species continuously facilitates the arrival of new genes, and within species, it is frequent enough to spread acquired genes amongst all individuals in the population. To create permanent independent diversity and generate new species, barriers to recombination are probably required. The data support an interpretation that rates of evolution (e.g., horizontal gene transfer and mutation) are faster at creating geographically localized variation than dispersal and invasion are at homogenizing genetic differences between locations. Therefore, we suggest that recurrent episodes of dispersal followed by variable periods of endemism break the homogenizing forces of intrapopulation recombination and that this process might be the principal stimulus leading to divergence and speciation in Halobacteria. View Full-Text
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Papke, R.T.; Corral, P.; Ram-Mohan, N.; Haba, R.R.; Sánchez-Porro, C.; Makkay, A.; Ventosa, A. Horizontal Gene Transfer, Dispersal and Haloarchaeal Speciation. Life 2015, 5, 1405-1426.
Papke RT, Corral P, Ram-Mohan N, Haba RR, Sánchez-Porro C, Makkay A, Ventosa A. Horizontal Gene Transfer, Dispersal and Haloarchaeal Speciation. Life. 2015; 5(2):1405-1426.Chicago/Turabian Style
Papke, R. T.; Corral, Paulina; Ram-Mohan, Nikhil; Haba, Rafael R.; Sánchez-Porro, Cristina; Makkay, Andrea; Ventosa, Antonio. 2015. "Horizontal Gene Transfer, Dispersal and Haloarchaeal Speciation." Life 5, no. 2: 1405-1426.