NDLI: Molecular insights into the compatible and incompatible interactions between sugar beet and the beet cyst nematode

Content Provider	Springer Nature : BioMed Central
Author	Ghaemi, Razieh Pourjam, Ebrahim Safaie, Naser Verstraeten, Bruno Mahmoudi, Seyed Bagher Mehrabi, Rahim De Meyer, Tim Kyndt, Tina
Abstract	Background Sugar beet (Beta vulgaris subsp. vulgaris) is an economically important crop that provides nearly one third of the global sugar production. The beet cyst nematode (BCN), Heterodera schachtii, causes major yield losses in sugar beet and other crops worldwide. The most effective and economic approach to control this nematode is growing tolerant or resistant cultivars. To identify candidate genes involved in susceptibility and resistance, the transcriptome of sugar beet and BCN in compatible and incompatible interactions at two time points was studied using mRNA-seq. Results In the susceptible cultivar, most defense-related genes were induced at 4 dai while suppressed at 10 dai but in the resistant cultivar Nemakill, induction of genes involved in the plant defense response was observed at both time points. In the compatible interaction, alterations in phytohormone-related genes were detected. The effect of exogenous application of Methyl Jasmonate and ET-generator ethephon on susceptible plants was therefore investigated and the results revealed significant reduction in plant susceptibility. Genes putatively involved in the resistance of Nemakill were identified, such as genes involved in phenylpropanoid pathway and genes encoding CYSTM domain-containing proteins, F-box proteins, chitinase, galactono-1,4-lactone dehydrogenase and CASP-like protein. Also, the transcriptome of the BCN was analyzed in infected root samples and several novel potential nematode effector genes were found. Conclusions Our data provides detailed insights into the plant and nematode transcriptional changes occurring during compatible and incompatible interactions between sugar beet and BCN. Many important genes playing potential roles in susceptibility or resistance of sugar beet against BCN, as well as some BCN effectors with a potential role as avr proteins were identified. In addition, our findings indicate the effective role of jasmonate and ethylene in enhancing sugar beet defense response against BCN. This research provides new molecular insights into the plant-nematode interactions that can be used to design novel management strategies against BCN.
Related Links	https://bmcplantbiol.biomedcentral.com/counter/pdf/10.1186/s12870-020-02706-8.pdf
Ending Page	16
Page Count	16
Starting Page	1
File Format	HTM / HTML
ISSN	14712229
DOI	10.1186/s12870-020-02706-8
Journal	BMC Plant Biology
Issue Number	1
Volume Number	20
Language	English
Publisher	BioMed Central
Publisher Date	2020-10-22
Access Restriction	Open
Subject Keyword	Plant Sciences Agriculture Tree Biology Heterodera schachtii Sugar beet CYSTM domain-containing proteins Ethylene Jasmonate Transcriptome
Content Type	Text
Resource Type	Article
Subject	Plant Science
Journal Impact Factor	4.3/2023
5-Year Journal Impact Factor	5.2/2023

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Cyst nematode heterodera schachtii.

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Physiological differences between sugar beet varieties susceptible, tolerant or resistant to the beet cyst nematode, Heterodera schachtii (Schmidt) under uninfested conditions

Potential of oyster mushrooms for the biocontrol of sugar beet nematode (heterodera schachtii) (2008).

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