Biotic interactions, evolutionary forces and the pan-plant specialized metabolism

Area of Science:

• Evolutionary Biology
• Plant Metabolism
• Biochemistry

Background:

• Plant specialized metabolism exhibits a complex evolutionary history with conserved and lineage-specific components.
• Biotic interactions are significant drivers of metabolomic diversification, yet their role in terrestrialization and major land plant lineage diversification is under-explored.
• Limited understanding of evolutionary scenarios shaping specialized metabolism hinders comprehensive conclusions.

Purpose of the Study:

• To integrate recent data on plant immune system evolution with specialized metabolism and its recognition.
• To provide a contextual framework for pan-plant specialized metabolism, its evolutionary shaping, and impact on terrestrial adaptation.
• To explore the consequences of specialized metabolism diversity in plant terrestrialization and diversification.

Main Methods:

• Review and integration of recent data on plant immune system evolution.
• Analysis of molecular data related to specialized metabolism and its recognition.
• Synthesis of functional data from diverse land plants on specialized metabolic pathways.

Main Results:

• Specialized metabolism has continuously diversified, simplified, and reshaped throughout streptophyte evolution.
• Many specialized metabolic pathways are integral to plant defense mechanisms.
• Recent advancements include new model systems, genetically accessible species, and functional data across plant lineages.

Conclusions:

• A comprehensive framework is provided for understanding the evolution of pan-plant specialized metabolism.
• The study highlights the impact of evolutionary pressures and biotic interactions on metabolic diversity.
• Understanding specialized metabolism is crucial for comprehending plant adaptation to terrestrial environments and diversification.