UJI researchers study new models of plants that can be tolerant to salinity



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## UJI researchers study new models of plants that can be tolerant to salinity

07/12/2016 |
SCP

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Image resource salinitzacio Vicent\_Aurelio
Current slide

Image resource salinitzacio AnaliaLlanes

Image resource salinitzacio Prosopis

* [![ salinitzacio Vicent_Aurelio](/com/investigacio/arxiu/noticies/2016/12/salinitzacio/Vicent_Aurelio.jpg)](#)
* [![ salinitzacio AnaliaLlanes](/com/investigacio/arxiu/noticies/2016/12/salinitzacio/AnaliaLlanes.jpg)](#)
* [![ salinitzacio Prosopis](/com/investigacio/arxiu/noticies/2016/12/salinitzacio/Prosopis.jpg)](#)

A research conducted by the Department of Agrarian Sciences and Natural Environment at the UniversitatJaume I (UJI) in collaboration with the National University of Río Cuarto (Argentina) aims to unravel the mechanisms of tolerance to salinity of a leguminous species endemic to brackish areas. The work, in which lecturersVicentArbona and Aurelio Gómez Cadenas participate, shows the fundamental role of carbohydrates in the response of the leguminous plant *Prosopisstrombulifera*when there is an excess of salts in the culture medium. The results of this study have been published in the *Plant Physiology and Biochemistry* journal.

This research, carried out in collaboration with researcher AnalíaLlanes from to the National University of Río Cuarto and the National Council of Scientific and Technological Research in Argentina (UNRC-CONICET), aims to advance in the understanding of the physiological basis of response to salinity and crops tolerance mechanisms.

LecturersArbona and Llanes addressed the metabolic analysis of *Prosopisstrombulifera*, a species adapted to live in brackish environments in Argentina. The metabolome is defined as the set of low-molecular-weight metabolites present in a particular organism, tissue or cell group at a time and under certain environmental conditions.

The results show the fundamental role of carbohydrates in the response of this plant to salinity and "consequently, contribute to unravel the biochemical mechanism underlying the tolerance to salinity," Arbonastates. In addition, these findings also enable the identification of "metabolic tolerance markers that could be used in breeding programmes in other leguminous species of greater economic importance and taking into account climate change trends", adds Aurelio Gómez Cadenas, director of the Ecophysiology and Biotechnology research group at the UJI.

Salinity is a phenomenon that has multiple causes and affects millions of hectares in the world. The decline in crop production and yield are the main effects of salinity. This environmental problem is increasing in the Mediterranean territory, since the overexploitation of aquifers obliges to irrigate the crops with low-quality water with high salt concentrations. In other countries, such as Argentina, the area of ​​salinized soils in the agricultural region in the middle of the country increases year after year and causes a decrease in productivity and the abandonment of areas that are no longer suitable for cultivation.

The main lines of work of the Ecophysiology and Biotechnology research group focus on the responses and mechanisms of tolerance of citrus and other crops to abiotic stresses such as drought, high temperatures, floods or salinity, and its hormonal control. In addition, the group applies biotechnology techniques such as in vitro culture and determines the metabolic changes of plants in response to stress.

Llanes, A., Arbona, V., Gómez-Cadenas, A., and Luna, V. (2016). *Metabolomic profiling of the halophyte Prosopis strombulifera shows sodium salt- specific response*. *Plant Physiol Biochem* 108, 145–157.doi:10.1016/j.plaphy.2016.07.010.

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