Journal
TRENDS IN PLANT SCIENCE
Volume 27, Issue 11, Pages 1144-1158Publisher
CELL PRESS
DOI: 10.1016/j.tplants.2022.06.011
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Funding
- INRAE Sante des Plantes et Environnement (SPE) division
- French Ministry of National Education and Research
- French Laboratory of Excellence project ' TULIP' [ANR-10-LABX-41, ANR-11-IDEX-0002-02]
- l'Agence Nationale pour la Recherche [ANR-19-CE20-15, ANR-21-CE20-10, ANR-21-CE20-30]
- INRAE
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Plants and pathogens engage in a coevolutionary arms race, leading to diversification and specialization of genes involved in resistance and virulence. Major innovations in plant-pathogen interactions have emerged through the expansion of gene function. Understanding these molecular mechanisms is crucial for the functional and predictive biology of plant-pathogen interactions.
Plants are engaged in a coevolutionary arms race with their pathogens that drives rapid diversification and specialization of genes involved in resistance and virulence. However, some major innovations in plant-pathogen interactions, such as molecular decoys, trans-kingdom RNA interference, two-speed genomes, and receptor networks, evolved through the expansion of the functional landscape of genes. This is a typical outcome of genetic co-option, the evolutionary process by which available genes are recruited into new biological functions. Co-option into plant-pathogen interactions emerges generally from (i) cis-regulatory variation, (ii) horizontal gene transfer (HGT), (iii) mutations altering molecular promiscuity, and (iv) rewiring of gene networks and protein complexes. Understanding these molecular mechanisms is key for the functional and predictive biology of plant-pathogen interactions.
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