Root-knot nematodes induce pattern-triggered immunity in Arabidopsis thaliana roots

Root-knot nematodes induce pattern-triggered immunity in Arabidopsis thaliana roots

© 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.

Détails bibliographiques
Publié dans:The New phytologist. - 1979. - 211(2016), 1 vom: 18. Juli, Seite 276-87
Auteur principal: Teixeira, Marcella A (Auteur)
Autres auteurs: Wei, Lihui, Kaloshian, Isgouhi
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:The New phytologist
Sujets:Journal Article Arabidopsis thaliana BAK1 Meloidogyne incognita WRKY11 camalexin glucosinolate pattern-triggered immunity root-knot nematodes (RKNs) Arabidopsis Proteins plus... Atmyb5 protein, Arabidopsis Glucosinolates Indoles Pathogen-Associated Molecular Pattern Molecules Thiazoles Transcription Factors WRKY11 protein, Arabidopsis LecRK-I.9 protein, Arabidopsis EC 2.7.- Protein Kinases BAK1 protein, Arabidopsis EC 2.7.1.- FLS2 protein, Arabidopsis Protein Serine-Threonine Kinases EC 2.7.11.1
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520 |a Root-knot nematodes (RKNs; Meloidogyne spp.) are plant parasites with a broad host range causing great losses worldwide. To parasitize their hosts, RKNs establish feeding sites in roots known as giant cells. The majority of work studying plant-RKN interactions in susceptible hosts addresses establishment of the giant cells and there is limited information on the early defense responses. Here we characterized early defense or pattern-triggered immunity (PTI) against RKNs in Arabidopsis thaliana. To address PTI, we evaluated known canonical PTI signaling mutants with RKNs and investigated the expression of PTI marker genes after RKN infection using both quantitative PCR and β-glucuronidase reporter transgenic lines. We showed that PTI-compromised plants have enhanced susceptibility to RKNs, including the bak1-5 mutant. BAK1 is a common partner of distinct receptors of microbe- and damage-associated molecular patterns. Furthermore, our data indicated that nematode recognition leading to PTI responses involves camalexin and glucosinolate biosynthesis. While the RKN-induced glucosinolate biosynthetic pathway was BAK1-dependent, the camalexin biosynthetic pathway was only partially dependent on BAK1. Combined, our results indicate the presence of BAK1-dependent and -independent PTI against RKNs in A. thaliana, suggesting the existence of diverse nematode recognition mechanisms 
650 4 |a Journal Article 
650 4 |a Arabidopsis thaliana 
650 4 |a BAK1 
650 4 |a Meloidogyne incognita 
650 4 |a WRKY11 
650 4 |a camalexin 
650 4 |a glucosinolate 
650 4 |a pattern-triggered immunity 
650 4 |a root-knot nematodes (RKNs) 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Atmyb5 protein, Arabidopsis  |2 NLM 
650 7 |a Glucosinolates  |2 NLM 
650 7 |a Indoles  |2 NLM 
650 7 |a Pathogen-Associated Molecular Pattern Molecules  |2 NLM 
650 7 |a Thiazoles  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a WRKY11 protein, Arabidopsis  |2 NLM 
650 7 |a camalexin  |2 NLM 
650 7 |a LecRK-I.9 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
650 7 |a Protein Kinases  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
650 7 |a BAK1 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.1.-  |2 NLM 
650 7 |a FLS2 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.1.-  |2 NLM 
650 7 |a Protein Serine-Threonine Kinases  |2 NLM 
650 7 |a EC 2.7.11.1  |2 NLM 
700 1 |a Wei, Lihui  |e verfasserin  |4 aut 
700 1 |a Kaloshian, Isgouhi  |e verfasserin  |4 aut 
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773 1 8 |g volume:211  |g year:2016  |g number:1  |g day:18  |g month:07  |g pages:276-87 
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