ArticleThe Plant journal : for cell and molecular biology2017
Changes in cytokinins are sufficient to alter developmental patterns of defense metabolites in Nicotiana attenuata.
Article in The Plant journal : for cell and molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 28 citations in OpenAlex.
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- Editorial: Insect physiological changes during insect-plant interaction.Frontiers in physiology · 2023Article
- Gene Expression Analysis of Microtubers of PotatoPlants (Basel, Switzerland) · 2021Article
- Plant ontogeny determines strength and associated plant fitness consequences of plant-mediated interactions between herbivores and flower visitors.The Journal of ecology · 2020Article
- Leaf metabolic signatures induced by real and simulated herbivory in black mustard (Brassica nigra).Metabolomics : Official journal of the Metabolomic Society · 2019Article
- Expression of Genes Related to Sugar and Amino Acid Transport and Cytokinin Metabolism during Leaf Development and Senescence inPlants (Basel, Switzerland) · 2019Article
- Accumulation of Catechin and Proanthocyanidins in Black Poplar Stems After Infection byFrontiers in plant science · 2019Article
- Cytokinin perception in potato: new features of canonical players.Journal of experimental botany · 2018Article
- Cytokinin transfer by a free-living mirid toeLife · 2018Article
- Elucidating the interaction between light competition and herbivore feeding patterns using functional-structural plant modelling.Annals of botany · 2018Article
- The Active Jasmonate JA-Ile Regulates a Specific Subset of Plant Jasmonate-Mediated Resistance to Herbivores in Nature.Frontiers in plant science · 2018Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
Plant defense metabolites are well known to be regulated developmentally. The optimal defense (OD) theory posits that a tssue's fitness values and probability of attack should determine defense metabolite allocations. Young leaves are expected to provide a larger fitness value to the plant, and therefore their defense allocations should be higher when compared with older leaves. The mechanisms that coordinate development with defense remain unknown and frequently confound tests of the OD theory predictions. Here we demonstrate that cytokinins (CKs) modulate ontogeny-dependent defenses in Nicotiana attenuata. We found that leaf CK levels highly correlate with inducible defense expressions with high levels in young and low levels in older leaves. We genetically manipulated the developmental patterns of two different CK classes by using senescence- and chemically inducible expression of CK biosynthesis genes. Genetically modifying the levels of different CKs in leaves was sufficient to alter ontogenic patterns of defense metabolites. We conclude that the developmental regulation of growth hormones that include CKs plays central roles in connecting development with defense and therefore in establishing optimal patterns of defense allocation in plants.
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