Gene exchange and natural selection cause Bacillus subtilis to evolve in soil culture

Science
J P Graham, Conrad Istock

Abstract

Strains of Bacillus subtilis exchange linked blocks of genes when growing together in soil; such exchange leads to extensive reorganization of the genotypic structure of the population and to the appearance and eventual dominance of a single phenotype. This process illustrates how recombination and selection lead to adaptive changes in populations.

Citations

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Related Concepts

Natto Bacteria
DNA, Bacterial
Biological Evolution
Cistron
Recombination, Genetic
Soil Microbiology
Transduction, Genetic
Variation (Genetics)

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