J. Stinchcombe

The evolutionary forces shaping cis and trans regulation of gene expression within a population of outcrossing plants.

The paper identifies trans-eQTLs in Capsella grandiflora and finds they are under stronger negative selection than cis-eQTLs, though some trans-eQTLs persist at intermediate frequencies.

Parallel clines in native and introduced ragweed populations are likely due to adaptation

The paper examines phenotypic and genetic differences in ragweed populations from native and introduced ranges, finding parallel clines in flowering time likely due to adaptation.

Introduced populations of ragweed show as much evolutionary potential as native populations

This study compares the adaptive potential of introduced and native ragweed populations using genetic variance-covariance matrices and finds no significant difference in adaptive potential between them.

Genetic conflict with a parasitic nematode disrupts the legume-rhizobia mutualism

This study shows that genetic conflict between attracting rhizobia and repelling nematodes exists in Medicago truncatula, with nematode infection reducing nodule formation and biomass.

Geographically structured genetic variation in the Medicago lupulina-Ensifer mutualism

The paper examines genetic variation in the Medicago lupulina-Ensifer mutualism across North America, finding geographically structured coevolution between the plant and the Ensifer genus but not between the plant and individual Ensifer species.

No evidence for adaptation to local rhizobial mutualists in the legume Medicago lupulina

This study tests if Medicago lupulina adapts to local rhizobial mutualists and finds no evidence of adaptation despite geographic variation in rhizobium species.