ArticlePlanta2005
Elevated tyrosine decarboxylase and tyramine hydroxycinnamoyltransferase levels increase wound-induced tyramine-derived hydroxycinnamic acid amide accumulation in transgenic tobacco leaves.
Article in Planta, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 68 citations in OpenAlex.
- Engineered Production of Hydroxycinnamoyl Tyramine Conjugates Limits the Growth of the Pathogen Pseudomonas syringae in Arabidopsis.Plant, cell & environment · 2026Article
- Exploring Metabolic Pathways and Gene Mining During Cotton Flower Bud Differentiation Stages Based on Transcriptomics and Metabolomics.International journal of molecular sciences · 2025Article
- Hydroxycinnamic acid amides in rice: biosynthesis, distribution, function, and implication for crop development.Frontiers in plant science · 2025Review
- Comparative transcriptomic analysis of wheat cultivars differing in their resistance to Fusarium head blight infection during grain-filling stages reveals unique defense mechanisms at play.BMC plant biology · 2023Article
- Secondary Metabolites in Nectar-Mediated Plant-Pollinator Relationships.Plants (Basel, Switzerland) · 2023Review
- Suberin Biosynthesis, Assembly, and Regulation.Plants (Basel, Switzerland) · 2022Review
- Tomato transcriptomic response to Tuta absoluta infestation.BMC plant biology · 2021Article
- Developmental Regulation of the Expression of Amaryllidaceae Alkaloid Biosynthetic Genes inGenes · 2019Article
- Transcriptome and metabolome profiling of Narcissus pseudonarcissus 'King Alfred' reveal components of Amaryllidaceae alkaloid metabolism.Scientific reports · 2017Article
- Salicylic Acid Is Involved in the Basal Resistance of Tomato Plants to Citrus Exocortis Viroid and Tomato Spotted Wilt Virus.PloS one · 2016Article
- Evolutionary Trails of Plant Group II Pyridoxal Phosphate-Dependent Decarboxylase Genes.Frontiers in plant science · 2016Review
- Quantitative resistance in potato leaves to late blight associated with induced hydroxycinnamic acid amides.Functional & integrative genomics · 2014Article
- Tissue specific diurnal rhythms of metabolites and their regulation during herbivore attack in a native tobacco, Nicotiana attenuata.PloS one · 2011Article
- A novel polyamine acyltransferase responsible for the accumulation of spermidine conjugates in Arabidopsis seed.The Plant cell · 2009Article
- Selenite transiently represses transcription of photosynthesis-related genes in potato leaves.Photosynthesis research · 2008Article
- Catalytic activity, duplication and evolution of the CYP98 cytochrome P450 family in wheat.Plant molecular biology · 2007Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Feruloyltyramine (FT) and 4-coumaroyltyramine (4CT) participate in the defense of plants against pathogens through their extracellular peroxidative polymerization, which is thought to reduce cell wall digestibility. Hydroxycinnamoyl-CoA:tyramine N-(hydroxycinnamoyl)transferase (THT; EC 2.3.1.110) and tyrosine decarboxylase (TYDC; EC 4.1.1.25) are purported to play key roles in the stress-induced regulation of tyramine-derived hydroxycinnamic acid amide (HCAAT) metabolism. Transgenic tobacco (Nicotiana tabacum cv. Xanthi) was engineered to constitutively express tobacco THT. A T1 plant over-expressing THT was crossbred with T1 tobacco expressing opium poppy TYDC2, to produce a T2 line with elevated THT and TYDC activities compared with wild type plants. The effects of an independent increase in TYDC or THT activity, or a dual increase in both TYDC and THT on the cellular pools of HCAAT pathway intermediates and the accumulation of soluble and cell wall-bound FT and 4CT were examined. Increased TYDC activity resulted in a larger cellular pool of tyramine and lower levels of L-phenylalanine in transgenic leaves. In contrast, elevated THT activity reduced tyramine levels. HCAAT levels were low in healthy leaves, but were induced in response to wounding and accumulated around wound sites. Similarly, endogenous THT and TYDC activities were wound-induced. The rate of wound-induced HCAAT accumulation was highest in transgenic plants with elevated THT and TYDC activities showing that both enzymes exert control over the flux of intermediates involved in HCAAT biosynthesis under some conditions.
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