ArticleJournal of chemical ecology2014
Neomycin inhibition of (+)-7-iso-jasmonoyl-L-isoleucine accumulation and signaling.
Article in Journal of chemical ecology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 33 citations in OpenAlex.
- Arabidopsis GH3.10 conjugates jasmonates.Plant biology (Stuttgart, Germany) · 2025Article
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- Regulation of photosynthesis by mitogen-activated protein kinase in rice: antagonistic adjustment by OsMPK3 and OsMPK6.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Integration of Electrical Signals and Phytohormones in the Control of Systemic Response.International journal of molecular sciences · 2023Review
- Metabolomic analysis of methyl jasmonate treatment on phytocannabinoid production inFrontiers in plant science · 2023Article
- An Intrinsic Alkalization Circuit Turns onMicrobiology spectrum · 2022Article
- Early wound-responsive cues regulate the expression of WRKY family genes in chickpea differently under wounded and unwounded conditions.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- The CaThe Plant cell · 2019Article
- The Venus Flytrap Dionaea muscipula Counts Prey-Induced Action Potentials to Induce Sodium Uptake.Current biology : CB · 2016Article
- A novel insight into the cost-benefit model for the evolution of botanical carnivory.Annals of botany · 2015Review
- Chemical ecology of phytohormones: how plants integrate responses to complex and dynamic environments.Journal of chemical ecology · 2014Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The majority of plant defenses against insect herbivores are coordinated by jasmonate (jasmonic acid, JA; (+)-7-iso-jasmonoyl-L-isoleucine, JA-Ile)-dependent signaling cascades. Insect feeding and mimicking herbivory by application of oral secretions (OS) from the insect induced both cytosolic Ca(2+) and jasmonate-phytohormone elevation in plants. Here it is shown that in Arabidopsis thaliana upon treatment with OS from lepidopteran Spodoptera littoralis larvae, the antibiotic neomycin selectively blocked the accumulation of OS-induced Ca(2+) elevation and level of the bioactive JA-Ile, in contrast to JA level. Furthermore, neomycin treatment affected the downstream expression of JA-Ile-responsive genes, VSP2 and LOX2, in Arabidopsis. The neomycin-dependent reduced JA-Ile level is partially due to increased CYP94B3 expression and subsequent JA-Ile turn-over to12-hydroxy-JA-Ile. It is neither due to the inhibition of the enzymatic conjugation process nor to substrate availability. Thus, blocking Ca(2+) elevation specifically controls JA-Ile accumulation and signaling, offering an insight into role of calcium in defense against insect herbivory.
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