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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18152
|2 doi
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|a pubmed25n1132.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Desmedt, Willem
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Rice diterpenoid phytoalexins are involved in defence against parasitic nematodes and shape rhizosphere nematode communities
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| 264 |
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1 |
|c 2022
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 01.07.2022
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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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| 520 |
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a Rice diterpenoid phytoalexins (DPs) are secondary metabolites with a well known role in resistance to foliar pathogens. As DPs are also known to be produced and exuded by rice roots, we hypothesised that they might play an important role in plant-nematode interactions, and particularly in defence against phytoparasitic nematodes. We used transcriptome analysis on rice roots to analyse the effect of infection by the root-knot nematode Meloidogyne graminicola or treatment with resistance-inducing chemical stimuli on DP biosynthesis genes, and assessed the susceptibility of mutant rice lines impaired in DP biosynthesis to M. graminicola. Moreover, we grew these mutants and their wild-type in field soil and used metabarcoding to assess the effect of impairment in DP biosynthesis on rhizosphere and root nematode communities. We show that M. graminicola suppresses DP biosynthesis genes early in its invasion process and, conversely, that resistance-inducing stimuli transiently induce the biosynthesis of DPs. Moreover, we show that loss of DPs increases susceptibility to M. graminicola. Metabarcoding on wild-type and DP-deficient plants grown in field soil reveals that DPs significantly alter the composition of rhizosphere and root nematode communities. Diterpenoid phytoalexins are important players in basal and inducible defence against nematode pathogens of rice and help shape rice-associated nematode communities
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a Meloidogyne graminicola
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| 650 |
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4 |
|a induced resistance
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| 650 |
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4 |
|a metabarcoding
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| 650 |
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4 |
|a plant immunity
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| 650 |
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4 |
|a root exudates
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| 650 |
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4 |
|a secondary metabolism
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| 650 |
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4 |
|a terpenoids
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| 650 |
|
7 |
|a Diterpenes
|2 NLM
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| 650 |
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7 |
|a Sesquiterpenes
|2 NLM
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| 650 |
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7 |
|a Soil
|2 NLM
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| 650 |
|
7 |
|a Phytoalexins
|2 NLM
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| 700 |
1 |
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|a Kudjordjie, Enoch Narh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chavan, Satish Namdeo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Juan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Riqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nicolaisen, Mogens
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mori, Masaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peters, Reuben J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vanholme, Bartel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vestergård, Mette
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kyndt, Tina
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1984
|g 235(2022), 3 vom: 04. Aug., Seite 1231-1245
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g volume:235
|g year:2022
|g number:3
|g day:04
|g month:08
|g pages:1231-1245
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| 856 |
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|u http://dx.doi.org/10.1111/nph.18152
|3 Volltext
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