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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14251
|2 doi
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|a pubmed24n0886.xml
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|a (NLM)27801946
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Martínez-Medina, Ainhoa
|e verfasserin
|4 aut
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|a Shifting from priming of salicylic acid- to jasmonic acid-regulated defences by Trichoderma protects tomato against the root knot nematode Meloidogyne incognita
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.02.2018
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a Beneficial root endophytes such as Trichoderma spp. can reduce infections by parasitic nematodes through triggering host defences. Little is currently known about the complex hormone signalling underlying the induction of resistance. In this study, we investigated whether Trichoderma modulates the hormone signalling network in the host to induce resistance to nematodes. We investigated the role and the timing of the jasmonic acid (JA)- and salicylic acid (SA)-regulated defensive pathways in Trichoderma-induced resistance to the root knot nematode Meloidogyne incognita. A split-root system of tomato (Solanum lycopersicum) was used to study local and systemic induced defences by analysing nematode performance, defence gene expression, responsiveness to exogenous hormone application, and dependence on SA and JA signalling of Trichoderma-induced resistance. Root colonization by Trichoderma impeded nematode performance both locally and systemically at multiple stages of the parasitism, that is, invasion, galling and reproduction. First, Trichoderma primed SA-regulated defences, which limited nematode root invasion. Then, Trichoderma enhanced JA-regulated defences, thereby antagonizing the deregulation of JA-dependent immunity by the nematodes, which compromised galling and fecundity. Our results show that Trichoderma primes SA- and JA-dependent defences in roots, and that the priming of responsiveness to these hormones upon nematode attack is plastic and adaptive to the parasitism stage
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|a Journal Article
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|a Trichoderma
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|a belowground
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|a hormones
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|a induced defences
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|a jasmonic acid (JA)
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|a parasitic nematode
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|a priming
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|a salicylic acid (SA)
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|a Cyclopentanes
|2 NLM
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|a Oxylipins
|2 NLM
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|a jasmonic acid
|2 NLM
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|a 6RI5N05OWW
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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| 700 |
1 |
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|a Fernandez, Ivan
|e verfasserin
|4 aut
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1 |
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|a Lok, Gerrit B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pozo, María J
|e verfasserin
|4 aut
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|a Pieterse, Corné M J
|e verfasserin
|4 aut
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|a Van Wees, Saskia C M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 213(2017), 3 vom: 01. Feb., Seite 1363-1377
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:213
|g year:2017
|g number:3
|g day:01
|g month:02
|g pages:1363-1377
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|u http://dx.doi.org/10.1111/nph.14251
|3 Volltext
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