Article (Scientific journals)
Up-Regulated Salivary Proteins of Brown Marmorated Stink Bug Halyomorpha halys on Plant Growth-Promoting Rhizobacteria-Treated Plants
Serteyn, Laurent; Lourme, Olivier; Iannello, Lisa et al.
2021In Journal of Chemical Ecology, 2021 (47), p. 747-754
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Keywords :
Brow marmorated stink bug; LC-MS/MS; Plant growth-promoting rhizobacteria; Proteomics; Salivary glands
Abstract :
[en] Plant Growth-Promoting Rhizobacteria (PGPR) induce systemic resistance (SR) in plants, decreasing the development of phytopathogens. The FZB42 strain of Bacillus velezensis is known to induce an SR against pathogens in various plant species. Previous studies suggested that it could also influence the interactions between plants and associated pests. However, insects have developed several strategies to counteract plant defenses, including salivary proteins that allow the insect escaping detection, manipulating defensive pathways to its advantage, deactivating early signaling processes, or detoxifying secondary metabolites. Because Brown Marmorated Stink Bug (BMSB) Halyomorpha halys is highly invasive and polyphagous, we hypothesized that it could detect the PGPR-induced systemic defenses in the plant, and efficiently adapt its salivary compounds to counteract them. Therefore, we inoculated a beneficial rhizobacterium on Vicia faba roots and soil, previous to plant infestation with BMSB. Salivary gland proteome of BMSB was analyzed by LC–MS/MS and a label-free quantitative proteomic method. Among the differentially expressed proteins, most were up-regulated in salivary glands of insects exposed to PGPR-treated plants for 24 h. We could confirm that BMSB was confronted with a stress during feeding on PGPR-treated plants. The to-be-confirmed defensive state of the plant would have been rapidly detected by the invasive H. halys pest, which consequently modified its salivary proteins. Among the up-regulated proteins, many could be associated with a role in plant defense counteraction, and more especially in allelochemicals detoxification or sequestration.
Disciplines :
Entomology & pest control
Author, co-author :
Serteyn, Laurent ;  Université de Liège - ULiège > Terra
Lourme, Olivier
Iannello, Lisa ;  Université de Liège - ULiège > Département GxABT > Gestion durable des bio-agresseurs
Baiwir, Dominique  ;  Université de Liège - ULiège > GIGA Platforms
Mazzucchelli, Gabriel  ;  Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
Ongena, Marc ;  Université de Liège - ULiège > Département GxABT > Microbial, food and biobased technologies
Francis, Frédéric  ;  Université de Liège - ULiège > Département GxABT > Gestion durable des bio-agresseurs
Language :
English
Title :
Up-Regulated Salivary Proteins of Brown Marmorated Stink Bug Halyomorpha halys on Plant Growth-Promoting Rhizobacteria-Treated Plants
Publication date :
06 June 2021
Journal title :
Journal of Chemical Ecology
ISSN :
0098-0331
eISSN :
1573-1561
Publisher :
Kluwer Academic/Plenum Publishers, New York, United States - New York
Volume :
2021
Issue :
47
Pages :
747-754
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 November 2021

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