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@ARTICLE{Habash:889647,
author = {Habash, Samer S. and Könen, Philipp P. and Loeschcke,
Anita and Wüst, Matthias and Jaeger, Karl-Erich and
Drepper, Thomas and Grundler, Florian M. W. and Schleker, A.
Sylvia S.},
title = {{T}he {P}lant {S}esquiterpene {N}ootkatone {E}fficiently
{R}educes {H}eterodera schachtii {P}arasitism by
{A}ctivating {P}lant {D}efense},
journal = {International journal of molecular sciences},
volume = {21},
number = {24},
issn = {1422-0067},
address = {Basel},
publisher = {Molecular Diversity Preservation International},
reportid = {FZJ-2021-00279},
pages = {9627 -},
year = {2020},
abstract = {Plant parasitic nematodes, including the beet cyst nematode
Heterodera schachtii, constitute a devastating problem for
crops worldwide. The limited availability of sustainable
management options illustrates the need for new eco-friendly
control means. Plant metabolites represent an invaluable
source of active compounds for the discovery of such novel
antagonistic agents. Here, we evaluated the impact of eight
plant terpenoids on the H. schachtii parasitism of
Arabidopsis thaliana. None of the metabolites affected the
plant development (5 or 10 ppm). Nootkatone decreased the
number of adult nematodes on A. thaliana to $50\%,$ with the
female nematodes being smaller compared to the control. In
contrast, three other terpenoids increased the parasitism
and/or female size. We discovered that nootkatone
considerably decreased the number of nematodes that
penetrated A. thaliana roots, but neither affected the
nematode viability or attraction to plant roots, nor
triggered the production of plant reactive oxygen species or
changed the plant’s sesquiterpene profile. However, we
demonstrated that nootkatone led to a significant
upregulation of defense-related genes involved in salicylic
and jasmonic acid pathways. Our results indicate that
nootkatone is a promising candidate to be developed into a
novel plant protection agent acting as a stimulator of plant
immunity against parasitic nematodes},
cin = {IMET},
ddc = {540},
cid = {I:(DE-Juel1)IMET-20090612},
pnm = {583 - Innovative Synergisms (POF3-583)},
pid = {G:(DE-HGF)POF3-583},
typ = {PUB:(DE-HGF)16},
pubmed = {33348829},
UT = {WOS:000602793200001},
doi = {10.3390/ijms21249627},
url = {https://juser.fz-juelich.de/record/889647},
}