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  Neomycin: an effective inhibitor of jasmonate-induced reactions in plants

Vadassery, J., Ballhorn, D. J., Fleming, S. R., Mazars, C., Pandey, S. P., Schmidt, A., et al. (2019). Neomycin: an effective inhibitor of jasmonate-induced reactions in plants. Journal of Plant Growth Regulation, 38(2), 713-722. doi:10.1007/s00344-018-9884-x.

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MIT009.pdf (Publisher version), 1013KB
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http://dx.doi.org/10.1007/s00344-018-9884-x (Publisher version)
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 Creators:
Vadassery, Jyothilakshmi1, 2, Author              
Ballhorn, Daniel J., Author
Fleming, Steven R., Author
Mazars, Christian, Author
Pandey, Shree Prakash3, Author              
Schmidt, Axel4, Author              
Schuman, Meredith C.3, Author              
Yeh, Kai-Wun, Author
Yilamujiang, Ayufu1, 2, Author              
Mithöfer, Axel5, Author              
Affiliations:
1Department of Bioorganic Chemistry, Prof. Dr. W. Boland, MPI for Chemical Ecology, Max Planck Society, ou_24028              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, ou_421900              
3Department of Molecular Ecology, Prof. I. T. Baldwin, MPI for Chemical Ecology, Max Planck Society, ou_24029              
4Department of Biochemistry, Prof. J. Gershenzon, MPI for Chemical Ecology, Max Planck Society, ou_421893              
5Research Group Plant Defense Physiology, Dr. Axel Mithöfer, MPI for Chemical Ecology, Max Planck Society, ou_3022756              

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 Abstract: Jasmonates are important phytohormones involved in both plant developmental processes as well as defense reactions. Many JA-mediated plant defense responses have been studied in model plants using mutants of the jasmonate signaling pathway. However, in plant species where JA-signaling mutants are not accessible, the availability of a tool targeting JA signaling is crucial to investigate jasmonate-dependent processes. Neomycin is a poly-cationic aminoglycoside antibiotic that blocks the release of Ca2+ from internal stores. We examined the inhibitory activities of neomycin on different jasmonate-inducible responses in eight different plant species: Intracellular calcium measurements in Nicotiana tabacum cell culture, Sporamin gene induction in Ipomoea batatas, PDF2.2 gene expression in Triticum aestivum, Nepenthesin protease activity measurement in Nepenthes alata, extrafloral nectar production in Phaseolus lunatus, nectary formation in Populus trichocarpa, terpene accumulation in Picea abies, and secondary metabolite generation in Nicotiana attenuata. We are able to show that neomycin, an easily manageable and commercially available compound, inhibits JA-mediated responses across the plant kingdom.

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 Dates: 2018-10-112018-11-092019-06
 Publication Status: Published in print
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 Identifiers: Other: MIT009
DOI: 10.1007/s00344-018-9884-x
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Title: Journal of Plant Growth Regulation
Source Genre: Journal
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Publ. Info: New York : Springer-Verlag New York
Pages: - Volume / Issue: 38 (2) Sequence Number: - Start / End Page: 713 - 722 Identifier: ISSN: 0721-7595
CoNE: https://pure.mpg.de/cone/journals/resource/954925532003