ArticlePlant biotechnology journal2017
An (E,E)-α-farnesene synthase gene of soybean has a role in defence against nematodes and is involved in synthesizing insect-induced volatiles.
Article in Plant biotechnology journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 77 citations in OpenAlex.
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- Fine-Tuning the Function of Farnesene Synthases for Selective Synthesis of Farnesene Stereoisomers.Journal of agricultural and food chemistry · 2024Article
- Arabidopsis Transcriptomics Reveals the Role of Lipoxygenase2 (AtLOX2) in Wound-Induced Responses.International journal of molecular sciences · 2024Article
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- Genome-wide identification and tissue expression pattern analysis ofFrontiers in plant science · 2024Article
- Biochemical analysis of the TPS-a subfamily inFrontiers in plant science · 2024Article
- Secondary Metabolites and Their Role in Strawberry Defense.Plants (Basel, Switzerland) · 2023Review
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- Functional Characterization of a (International journal of molecular sciences · 2023Article
- Stressing the importance of plant specialized metabolites: omics-based approaches for discovering specialized metabolism in plant stress responses.Frontiers in plant science · 2023Review
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- Biogenic VOCs Emission Profiles Associated with Plant-Pest Interaction for Phenotyping Applications.Sensors (Basel, Switzerland) · 2022Article
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Authors and funding
11 authors at 4 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Plant terpene synthase genes (TPSs) have roles in diverse biological processes. Here, we report the functional characterization of one member of the soybean TPS gene family, which was designated GmAFS. Recombinant GmAFS produced in Escherichia coli catalysed the formation of a sesquiterpene (E,E)-α-farnesene. GmAFS is closely related to (E,E)-α-farnesene synthase gene from apple, both phylogenetically and structurally. GmAFS was further investigated for its biological role in defence against nematodes and insects. Soybean cyst nematode (SCN) is the most important pathogen of soybean. The expression of GmAFS in a SCN-resistant soybean was significantly induced by SCN infection compared with the control, whereas its expression in a SCN-susceptible soybean was not changed by SCN infection. Transgenic hairy roots overexpressing GmAFS under the control of the CaMV 35S promoter were generated in an SCN-susceptible soybean line. The transgenic lines showed significantly higher resistance to SCN, which indicates that GmAFS contributes to the resistance of soybean to SCN. In soybean leaves, the expression of GmAFS was found to be induced by Tetranychus urticae (two-spotted spider mites). Exogenous application of methyl jasmonate to soybean plants also induced the expression of GmAFS in leaves. Using headspace collection combined with gas chromatography-mass spectrometry analysis, soybean plants that were infested with T. urticae were shown to emit a mixture of volatiles with (E,E)-α-farnesene as one of the most abundant constituents. In summary, this study showed that GmAFS has defence roles in both below-ground and above-ground organs of soybean against nematodes and insects, respectively.
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