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Plasticity, exudation and microbiome-association of the root system of Pellitory-of-the-wall plants grown in environments impaired in iron availability

Articolo
Data di Pubblicazione:
2021
Abstract:
The investigation of the adaptive strategies of wild plant species to extreme environments is a challenging issue, which favors the identification of new traits for plant resilience. We investigated different traits which characterize the root-soil interaction of Parietaria judaica, a wild plant species commonly known as “Pellitory-of-the-wall”. P. judaica adopts the acidification-reduction strategy (Strategy I) for iron (Fe) acquisition from soil, and it can complete its life cycle in highly calcareous environments without any symptoms of chlorosis. In a field-to-lab approach, the microbiome associated with P. judaica roots was analyzed in spontaneous plants harvested from an urban environment consisting in an extremely calcareous habitat. Also, the phenolics and carboxylates content and root plasticity and exudation were analyzed in P. judaica plants grown under three different controlled conditions mimicking the effect of calcareous environments on Fe availability: results show that P. judaica differentially modulates root plasticity under different Fe availability-impaired conditions, and that it induces, to a high extent, the exudation of caffeoylquinic acid derivatives under calcareous conditions, positively impacting Fe solubility.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Calcareous soil, Iron deficiency, Microbiome, Parietaria judaica, Pellitory-of-the-wall, Phenols, Rhizosphere, Root architecture, Urban habitat.
Elenco autori:
Tato, Liliana; Lattanzio, Vincenzo; Ercole, Enrico; Dell’Orto, Marta; Sorgonà, Agostino; Linsalata, Vito; Salvioli, Alessandra; Novero, Mara; Astolfi, Stefania; Abenavoli, Maria Rosa; Murgia, Irene; Zocchi, Graziano; Vigani, Gianpiero
Autori di Ateneo:
NOVERO Mara
SALVIOLI DI FOSSALUNGA Alessandra
VIGANI Gianpiero
Link alla scheda completa:
https://iris.unito.it/handle/2318/1808979
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1808979/826996/Tato%20et%20al_PostPrint.pdf
Pubblicato in:
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Journal
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URL

https://www.sciencedirect.com/science/article/pii/S0981942821005052?dgcid=coauthor
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