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Title: Role of QseG membrane protein in beneficial enterobacterial interactions with plants and Mesorhizobia
Authors: Torres, Denise P.
Paço, Ana
Menéndez, Esther
Mateos, Pedro F
Brígido, C.
Keywords: Plant defence response
bacterial infection ability
plant growth-promoting bacteria
bacterial endophytes
Cicer arietinum L
Issue Date: 13-Nov-2021
Publisher: Journal of Plant Interactions
Citation: Denise Pereira Torres, Ana Paço, Esther Menéndez, Pedro F. Mateos & Clarisse Brígido (2021) Role of QseG membrane protein in beneficial enterobacterial interactions with plants and Mesorhizobia, Journal of Plant Interactions, 16:1, 510-521, DOI: 10.1080/17429145.2021.2000050
Abstract: Homologs of qseG gene (coding for the membrane protein QseG), along with the qseEF genes, are present in many Enterobacteriaceae; however, its role in non-pathogenic strains is still unknown. To fill this knowledge gap, we investigated the role of QseG protein of a plant-associated enterobacterium in the interactions with its legume host and in the benefits induced by this enterobacterium in the Mesorhizobium–chickpea symbiosis. Here, we showed that QseG of Kosakonia sp. MH5 is involved in the following processes: (i) the evasion of the plant immune system and (ii) the efficient colonization of chickpea root cells. Furthermore, these features are essential for the beneficial effects of this strain on the Mesorhizobium–chickpea symbiosis. This study demonstrates that the role of QseG is transversal to pathogenic and non-pathogenic enterobacteria and is a step forward to better understanding the molecular bases of plant–bacteria interactions established between legume and beneficial endophytic enterobacteria.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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