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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 1,383 - 1,396 (14page)
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Background Panax notoginseng is a famous Chinese herbal medicine, but the root rot disease mainly caused by Fusarium solani severely reduces the yield and quality of its medicinal materials. Objective The defense priming in P. notoginseng through exogenous application of signaling molecule will supply theoretical support for the exogenous regulation of disease resistance in P. notoginseng. Methods In this study, the exogenous application of methyl jasmonate (MeJA) increased P. notoginseng’s resistance to F. solani. Furthermore, the P. notoginseng transcriptome during F. solani infection was investigated through next-generation sequencing to uncover the resistance mechanism of P. notogingseng induced by MeJA. Results The de novo assembly of transcriptome sequences produced 80,551 unigenes, and 36,771 of these unigenes were annotated by at least one database. A differentially expressed gene analysis revealed that a large number of genes related to terpenoid backbone biosynthesis, phenylalanine metabolism, and plant–pathogen interactions were predominantly upregulated by MeJA. Moreover, jasmonic acid (JA) biosynthesis-related genes and the JA signaling pathway genes, such as linoleate 13S-lipoxygenase, allene oxide cyclase, allene oxide synthase, TIFY, defensin, and pathogenesis-related proteins, showed increased transcriptional levels after inoculation with F. solani. Notably, according to the gene expression analysis, JA and ethylene signaling pathways may act synergistically to positively regulate the defense responses of P. notoginseng to F. solani. Conclusion JA signaling appears to play a vital role in P. notoginseng responses to F. solani infection, which will be helpful in improving the disease resistance of P. notoginseng cultivars as well as in developing an environmentally friendly biological control method for root rot disease.
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참고문헌 (37)
참고문헌 신청
Adie B / 2007 / Modulation of plant defenses by ethylene / J Plant Growth Regul 26:160~177
Amil-Ruiz F / 2016 / Partial activation of SA-and JAdefensive pathways in strawberry upon Colletotrichum acutatum interaction / Front Plant Sci 7:1036
Bari R / 2009 / Role of plant hormones in plant defence responses / Plant Mol Biol 69:473~488
Chen R / 2016 / Cloning and expression analysis of ploygalacturonase-inhibiting protein gene from Panax notoginseng / Chin Tradit Herbal Drugs 47:4420~4427
Denancé N / 2013 / Disease resistance or growth : the role of plant hormones in balancing immune responses and fitness costs / Front Plant Sci 4:155
Amil-Ruiz F / 2016 / Partial activation of SA-and JAdefensive pathways in strawberry upon Colletotrichum acutatum interaction / Front Plant Sci 7:1036
Bari R / 2009 / Role of plant hormones in plant defence responses / Plant Mol Biol 69:473~488
Chen R / 2016 / Cloning and expression analysis of ploygalacturonase-inhibiting protein gene from Panax notoginseng / Chin Tradit Herbal Drugs 47:4420~4427
Denancé N / 2013 / Disease resistance or growth : the role of plant hormones in balancing immune responses and fitness costs / Front Plant Sci 4:155
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