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  NaMYB8 regulates distinct, optimally distributed herbivore defense traits

Schäfer, M., Brütting, C., Xu, S., Ling, Z., Steppuhn, A., Baldwin, I. T., et al. (2017). NaMYB8 regulates distinct, optimally distributed herbivore defense traits. Journal of Integrative Plant Biology, 59(12), 844-850. doi:10.1111/jipb.12593.

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ITB557.pdf (Publisher version), 2MB
 
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http://dx.doi.org/10.1111/jipb.12593 (Publisher version)
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 Creators:
Schäfer, Martin1, 2, Author              
Brütting, Christoph1, 2, Author              
Xu, Shuqing1, Author              
Ling, Zhihao1, 2, Author              
Steppuhn, Anke, Author
Baldwin, Ian Thomas1, Author              
Schuman, Meredith C.1, Author              
Affiliations:
1Department of Molecular Ecology, Prof. I. T. Baldwin, MPI for Chemical Ecology, Max Planck Society, ou_24029              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              

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 Abstract: When herbivores attack, plants specifically reconfigure their metabolism. Herbivory on the wild tobacco Nicotiana attenuata strongly induces the R2/R3 MYB transcriptional activator MYB8, which was reported to specifically regulate the accumulation of phenolamides (PAs). We discovered that transcriptional regulation of trypsin protease inhibitors (TPIs) and a threonine deaminase (TD) also depend on MYB8 expression. Induced distributions of PAs, TD and TPIs all meet predictions of optimal defense theory: their leaf concentrations increase with the fitness value and the probability of attack of the tissue. Therefore, we suggest that these defensive compounds have evolved to be co-regulated by MYB8.

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 Dates: 2017-08-262017-11-082017-12
 Publication Status: Published in print
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 Identifiers: Other: ITB557
DOI: 10.1111/jipb.12593
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Title: Journal of Integrative Plant Biology
Source Genre: Journal
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Publ. Info: Beijing : Blackwell Publ. Asia Pty
Pages: - Volume / Issue: 59 (12) Sequence Number: - Start / End Page: 844 - 850 Identifier: ISSN: 1672-9072
CoNE: https://pure.mpg.de/cone/journals/resource/1672-9072