ArticlePlant physiology2005
B1-phytoprostanes trigger plant defense and detoxification responses.
Article in Plant physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 136 citations in OpenAlex.
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- Photosynthetic signalling during high light stress and recovery: targets and dynamics.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
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- Mediator of tolerance to abiotic stress ERF6 regulates susceptibility of Arabidopsis to Meloidogyne incognita.Molecular plant pathology · 2019Article
- Transcriptome Profiling and Genome-Wide Association Studies RevealFrontiers in plant science · 2019Article
- Structural/Functional Matches and Divergences of Phytoprostanes and Phytofurans with Bioactive Human Oxylipins.Antioxidants (Basel, Switzerland) · 2018Review
- Non-Enzymatic Synthesis of Bioactive Isoprostanoids in the DiatomPlant physiology · 2018Article
- TGA2 signaling in response to reactive electrophile species is not dependent on cysteine modification of TGA2.PloS one · 2018Article
- Reactive electrophilic oxylipins trigger a heat stress-like response through HSFA1 transcription factors.Journal of experimental botany · 2016Article
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- Pollen-Associated Microbiome Correlates with Pollution Parameters and the Allergenicity of Pollen.PloS one · 2016Article
- Products of lipid, protein and RNA oxidation as signals and regulators of gene expression in plants.Frontiers in plant science · 2015Review
- A mutation in the expansin-like A2 gene enhances resistance to necrotrophic fungi and hypersensitivity to abiotic stress in Arabidopsis thaliana.Molecular plant pathology · 2013Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phytoprostanes are prostaglandin/jasmonate-like products of nonenzymatic lipid peroxidation that not only occur ubiquitously in healthy plants but also increase in response to oxidative stress. In this work, we show that the two naturally occurring B(1)-phytoprostanes (PPB(1)) regioisomers I and II (each comprising two enantiomers) are short-lived stress metabolites that display a broad spectrum of biological activities. Gene expression analysis of Arabidopsis (Arabidopsis thaliana) cell cultures treated with PPB(1)-I or -II revealed that both regioisomers triggered a massive detoxification and defense response. Interestingly, expression of several glutathione S-transferases, glycosyl transferases, and putative ATP-binding cassette transporters was found to be increased by one or both PPB(1) regioisomers, and hence, may enhance the plant's capacity to inactivate and sequester reactive products of lipid peroxidation. Moreover, pretreatment of tobacco (Nicotiana tabacum) suspension cells with PPB(1) considerably prevented cell death caused by severe CuSO(4) poisoning. Several Arabidopsis genes induced by PPB(1), such as those coding for adenylylsulfate reductase, tryptophan synthase beta-chain, and PAD3 pointed to an activation of the camalexin biosynthesis pathway that indeed led to the accumulation of camalexin in PPB(1) treated leaves of Arabidopsis. Stimulation of secondary metabolism appears to be a common plant reaction in response to PPB(1). In three different plant species, PPB(1)-II induced a concentration dependent accumulation of phytoalexins that was comparable to that induced by methyl jasmonate. PPB(1)-I was much weaker active or almost inactive. No differences were found between the enantiomers of each regioisomer. Thus, results suggest that PPB(1) represent stress signals that improve plants capacity to cope better with a variety of stresses.
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