A harpin elicitor induces the expression of a coiled-coil nucleotide binding leucine rich repeat (CC-NB-LRR) defense signaling gene and others functioning during defense to parasitic nematodes

Copyright © 2017. Published by Elsevier Masson SAS.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 121(2017) vom: 01. Dez., Seite 161-175
1. Verfasser: Aljaafri, Weasam A R (VerfasserIn)
Weitere Verfasser: McNeece, Brant T, Lawaju, Bisho R, Sharma, Keshav, Niruala, Prakash M, Pant, Shankar R, Long, David H, Lawrence, Kathy S, Lawrence, Gary W, Klink, Vincent P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Alpha SNAP Harpin NDR1 Parasitic nematode Soybean Arabidopsis Proteins
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520 |a The bacterial effector harpin induces the transcription of the Arabidopsis thaliana NON-RACE SPECIFIC DISEASE RESISTANCE 1/HARPIN INDUCED1 (NDR1/HIN1) coiled-coil nucleotide binding leucine rich repeat (CC-NB-LRR) defense signaling gene. In Glycine max, Gm-NDR1-1 transcripts have been detected within root cells undergoing a natural resistant reaction to parasitism by the syncytium-forming nematode Heterodera glycines, functioning in the defense response. Expressing Gm-NDR1-1 in Gossypium hirsutum leads to resistance to Meloidogyne incognita parasitism. In experiments presented here, the heterologous expression of Gm-NDR1-1 in G. hirsutum impairs Rotylenchulus reniformis parasitism. These results are consistent with the hypothesis that Gm-NDR1-1 expression functions broadly in generating a defense response. To examine a possible relationship with harpin, G. max plants topically treated with harpin result in induction of the transcription of Gm-NDR1-1. The result indicates the topical treatment of plants with harpin, itself, may lead to impaired nematode parasitism. Topical harpin treatments are shown to impair G. max parasitism by H. glycines, M. incognita and R. reniformis and G. hirsutum parasitism by M. incognita and R. reniformis. How harpin could function in defense has been examined in experiments showing it also induces transcription of G. max homologs of the proven defense genes ENHANCED DISEASE SUSCEPTIBILITY1 (EDS1), TGA2, galactinol synthase, reticuline oxidase, xyloglucan endotransglycosylase/hydrolase, alpha soluble N-ethylmaleimide-sensitive fusion protein (α-SNAP) and serine hydroxymethyltransferase (SHMT). In contrast, other defense genes are not directly transcriptionally activated by harpin. The results indicate harpin induces pathogen associated molecular pattern (PAMP) triggered immunity (PTI) and effector-triggered immunity (ETI) defense processes in the root, activating defense to parasitic nematodes 
650 4 |a Journal Article 
650 4 |a Alpha SNAP 
650 4 |a Harpin 
650 4 |a NDR1 
650 4 |a Parasitic nematode 
650 4 |a Soybean 
650 7 |a Arabidopsis Proteins  |2 NLM 
700 1 |a McNeece, Brant T  |e verfasserin  |4 aut 
700 1 |a Lawaju, Bisho R  |e verfasserin  |4 aut 
700 1 |a Sharma, Keshav  |e verfasserin  |4 aut 
700 1 |a Niruala, Prakash M  |e verfasserin  |4 aut 
700 1 |a Pant, Shankar R  |e verfasserin  |4 aut 
700 1 |a Long, David H  |e verfasserin  |4 aut 
700 1 |a Lawrence, Kathy S  |e verfasserin  |4 aut 
700 1 |a Lawrence, Gary W  |e verfasserin  |4 aut 
700 1 |a Klink, Vincent P  |e verfasserin  |4 aut 
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773 1 8 |g volume:121  |g year:2017  |g day:01  |g month:12  |g pages:161-175 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2017.10.004  |3 Volltext 
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