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Molecular dating has suggested that angiosperms existed earlier than the Late Cretaceous. Scattered fossil evidence for Triassic or Jurassic angiosperms exists but this Review concludes that the case remains unproven at best.
Photosynthetic organisms must protect themselves from damage during high-light conditions. This Review shows how cyanobacteria trigger such photoprotection using the orange carotenoid protein.
A Review discusses the currently known non-canonical RNA-directed DNA methylation mechanisms, their diversity and interconnections, and puts forward the key unanswered questions in this field.
This Review summarizes current understanding of the non-self- and self-recognition systems of self-incompatibility and their evolution. The non-self-recognition model suggests that the transition from self-compatibility to self-incompatibility could be more common than previously thought.
Dioecious species (those that have distinct male and female plants) are particularly vulnerable to climate change because male and female plants may be spatially segregated and specialized. Female plants will be more impacted by increasing aridity, especially in long-lived species in regions experiencing dramatic climate change. This could lead to an overabundance of male plants at the expense of females in a large number of populations.
Arbuscular mycorrhizal fungi are one of the most important groups of plant symbionts. The factors that regulate the exchange of resources in this symbiosis are explored in this Review.
Proteaceae in southwestern Australia exhibit a range of adaptions that allow them to both acquire and utilize phosphorus from some of the most phosphorus-impoverished soils in the world. This Review explores these traits and discusses those which hold promise for crop improvement.
Rubisco catalyses the conversion of atmospheric CO2 into organic compounds in photosynthesis, and therefore plays a pivotal role in plant metabolism. The complex cellular machineries invovled in the assembly and metabolic repair of this most abundant enzyme are explored in this Review.
The protein content of plant cells is constantly being updated. Proteomic analyses are revealing the cellular processes that contribute to protein synthesis and degradation in plants, and their sensitivity to developmental and environmental change.
