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Marasmius oreades agglutinin enhances resistance of Arabidopsis against plant-parasitic nematodes and a herbivorous insect

Authors :
Moradi, Aboubakr
Austerlitz, Tina
Dahlin, Paul
Robert, Christelle A. M.
Maurer, Corina
Steinauer, Katja
van Doan, Cong
Himmighofen, Paul Anton
Wieczorek, Krzysztof
Kuenzler, Markus
Mauch, Felix
Source :
BMC Plant Biology, BMC Plant Biology, Vol 21, Iss 1, Pp 1-10 (2021), BMC Plant Biology, 21 (1), Moradi, Aboubakr; Austerlitz, Tina; Dahlin, Paul; Robert, Christelle A. M.; Maurer, Corina; Steinauer, Katja; van Doan, Cong; Himmighofen, Paul Anton; Wieczorek, Krzysztof; Kuenzler, Markus; Mauch, Felix (2021). Marasmius oreades agglutinin enhances resistance of Arabidopsis against plant-parasitic nematodes and a herbivorous insect. BMC plant biology, 21(1), p. 402. BioMed Central 10.1186/s12870-021-03186-0
Publication Year :
2021
Publisher :
BioMed Central, 2021.

Abstract

Background Plant-parasitic nematodes and herbivorous insects have a significant negative impact on global crop production. A successful approach to protect crops from these pests is the in planta expression of nematotoxic or entomotoxic proteins such as crystal proteins from Bacillus thuringiensis (Bt) or plant lectins. However, the efficacy of this approach is threatened by emergence of resistance in nematode and insect populations to these proteins. To solve this problem, novel nematotoxic and entomotoxic proteins are needed. During the last two decades, several cytoplasmic lectins from mushrooms with nematicidal and insecticidal activity have been characterized. In this study, we tested the potential of Marasmius oreades agglutinin (MOA) to furnish Arabidopsis plants with resistance towards three economically important crop pests: the two plant-parasitic nematodes Heterodera schachtii and Meloidogyne incognita and the herbivorous diamondback moth Plutella xylostella. Results The expression of MOA does not affect plant growth under axenic conditions which is an essential parameter in the engineering of genetically modified crops. The transgenic Arabidopsis lines showed nearly complete resistance to H. schachtii, in that the number of female and male nematodes per cm root was reduced by 86–91 % and 43–93 % compared to WT, respectively. M. incognita proved to be less susceptible to the MOA protein in that 18–25 % and 26–35 % less galls and nematode egg masses, respectively, were observed in the transgenic lines. Larvae of the herbivorous P. xylostella foraging on MOA-expression lines showed a lower relative mass gain (22–38 %) and survival rate (15–24 %) than those feeding on WT plants. Conclusions The results of our in planta experiments reveal a robust nematicidal and insecticidal activity of the fungal lectin MOA against important agricultural pests which may be exploited for crop protection.<br />BMC Plant Biology, 21 (1)<br />ISSN:1471-2229

Details

ISSN :
14712229
Database :
OpenAIRE
Journal :
BMC Plant Biology, BMC Plant Biology, Vol 21, Iss 1, Pp 1-10 (2021), BMC Plant Biology, 21 (1), Moradi, Aboubakr; Austerlitz, Tina; Dahlin, Paul; Robert, Christelle A. M.; Maurer, Corina; Steinauer, Katja; van Doan, Cong; Himmighofen, Paul Anton; Wieczorek, Krzysztof; Kuenzler, Markus; Mauch, Felix (2021). Marasmius oreades agglutinin enhances resistance of Arabidopsis against plant-parasitic nematodes and a herbivorous insect. BMC plant biology, 21(1), p. 402. BioMed Central 10.1186/s12870-021-03186-0 <http://dx.doi.org/10.1186/s12870-021-03186-0>
Accession number :
edsair.doi.dedup.....336360be767107dc8592c2bd6529147c
Full Text :
https://doi.org/10.48350/159676