Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 69, Issue -, Pages -Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2022.102288
Keywords
Priming; Defense and growth; Amino acids; Metabolites; N-hydroxy; pipecolic acid
Categories
Funding
- European Research Council (ERC) under the European Union [884316]
- Adelis Foundation
- Leona M. and Harry B. Helmsley Charitable Trust
- Jeanne and Joseph Nissim Foundation for Life Sciences
- Tom and Sondra Rykoff Family Foundation Research
- Raymond Burton Plant Genome Research Fund
- PBC (Public and Budgeting Committee) of the state of Israel Council for Higher Education fellowship program
- European Research Council (ERC) [884316] Funding Source: European Research Council (ERC)
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In response to pathogen attacks, plants often sacrifice growth. Defense priming, a widely accepted strategy, enhances resistance at the cost of growth and yield. Amino acids and their derivatives play crucial roles in regulating various aspects of plant growth, development, and stress responses. This review discusses the recent progress in understanding the involvement of amino acids and related molecules in defense priming and their connection with plant growth, highlighting outstanding questions and potential for manipulating the tradeoff between defense and growth in plants.
Plant response to pathogens attacks generally comes at the expense of growth. Defense priming is widely accepted as an efficient strategy used for augmenting resistance with reduced fitness in terms of growth and yield. Plant-derived small mol-ecules, both primary as well as secondary metabolites, can function as activators to prime plant defense. Amino acids and their derivatives regulate numerous aspects of plant growth and development, and biotic and abiotic stress responses. In this review, we discuss the recent progress in understanding the roles of amino acids and related molecules in defense priming and their link with plant growth. We also highlight some of the outstanding questions and provide an outlook on the prospects of 'engineering' the tradeoff between defense and growth in plants.
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