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Ethylene response pathway modulates attractiveness of plant roots to soybean cyst nematode Heterodera glycines
Y. F. Hu, J. You, C. J. Li, V. M. Williamson and C. L. Wang; Wang CL(王从丽)
2017
Source PublicationScientific Reports
Volume7
AbstractPlant parasitic nematodes respond to root exudates to locate their host roots. In our studies second stage juveniles of Heterodera glycines, the soybean cyst nematode (SCN), quickly migrated to soybean roots in Pluronic F-127 gel. Roots of soybean and non-host Arabidopsis treated with the ethylene (ET)synthesis inhibitor aminoethoxyvinylglycine (AVG) were more attractive to SCN than untreated roots, and significantly more nematodes penetrated into roots. Moreover, Arabidopsis ET insensitive mutants (ein2, ein2-1, ein2-5, ein3-1, ein5-1, and ein6) were more attractive than wild-type plants. Conversely, the constitutive triple-response mutant ctr1-1, was less attractive to SCN. While ET receptor gain-of-function mutant ein4-1 attracted more SCN than the wild-type, there were no significant differences in attractiveness between another gain-of-function ET receptor mutant, etr1-3, or the loss-of-function mutants etr1-7 and ers1-3 and the wild type. Expression of the reporter construct EBS: beta-glucuronidase (GUS) was detected in Arabidopsis root tips as early as 6 h post infection, indicating that ET signaling was activated in Arabidopsis early by SCN infection. These results suggest that an active ET signaling pathway reduces root attractiveness to SCN in a way similar to that reported for root-knot nematodes, but opposite to that suggested for the sugar beet cyst nematode Heterodera schachtii.
DOI10.1038/Srep41282
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Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7525
Collection湿地与全球变化学科组
Corresponding AuthorWang CL(王从丽)
Recommended Citation
GB/T 7714
Y. F. Hu, J. You, C. J. Li, V. M. Williamson and C. L. Wang,Wang CL. Ethylene response pathway modulates attractiveness of plant roots to soybean cyst nematode Heterodera glycines[J]. Scientific Reports,2017,7.
APA Y. F. Hu, J. You, C. J. Li, V. M. Williamson and C. L. Wang,&王从丽.(2017).Ethylene response pathway modulates attractiveness of plant roots to soybean cyst nematode Heterodera glycines.Scientific Reports,7.
MLA Y. F. Hu, J. You, C. J. Li, V. M. Williamson and C. L. Wang,et al."Ethylene response pathway modulates attractiveness of plant roots to soybean cyst nematode Heterodera glycines".Scientific Reports 7(2017).
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