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Plants show a high level of genetic diversity in their response to elevated CO₂, suggesting the presence of genetic mechanisms that will allow them to adapt to this environmental change.

Young defense metabolites are often believed to be solely outputs but evidence suggests that they can regulate ancient signaling pathways.

Increasing levels of atmospheric carbon dioxide reduce the mineral content but increase the levels of starch and sugars found in crop plants; which could exacerbate both obesity and malnutrition in some human populations.

Uphill migrations of lowland plants into warming alpine ecosystems may yield a positive climate feedback by accelerating soil microbial respiration and decreasing soil carbon content.

Comparing maize to its wild ancestor teosinte advances our understanding of how it and other cereal crops evolved, and also identifies the genetic variation that can contribute to important agricultural traits.

Horizontal gene transfer (HGT) analysis in polyextremophile red algae (Cyanidiales) provides explanations for the nonexistence of cumulative effects and eukaryotic pangenomes, and highlights differences between HGT and native genes.