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Sustainable Strategy to Boost Legumes Growth under Salinity and Drought Stress ...
Ben Gaied, Roukaya; Brígido, Clarisse; Sbissi, I.; Tarhouni, M.The escalating risks of drought and salinization due to climate change and anthropogenic activities are a major global concern. Rhizobium–legume (herb or tree) symbiosis is proposed as an ideal solution for improving soil fertility and rehabilitating arid lands, representing a crucial direction for future research. Consequently, several studies have focused on enhancing legume tolerance to drought and salinity ...
First Record of Summer Truffle (Tuber aestivum) in Portugal
Santos-Silva, Celeste; Brígido, ClarisseTuber aestivum, commonly known as the summer truffle, is typically found in various parts of Europe where it grows naturally. However, its presence in Portugal was not confirmed until now. The first fruit bodies were collected in April 2024 at stone pine stands (Alenquer and Arruda dos Vinhos, Lisbon) and in June at holm oak stands (Salir, Faro). These specimens are characterized by hypogeous, subglobose, black...
Determine the Symbiotic nitrogen fixation bacterial community structure in legu...
Sbissi, I.; Ben Gaied, R.; Brígido, ClarisseThe legume symbiosis with rhizobia (Root Nodulating Bacteria, BNLs) has been recognized as essential to sustainable agriculture since the intimate partnership has the ability to relieve host legumes from nitrogen fertilizer reliance and boost soil fertility. Legume–BNL interactions take place in the rhizosphere, where the two symbiotic partners exchange signals (such as flavonoids released by the host plant and...
Introduction of Exogenous AMF Species Alters the Diversity and Functionality of...
Leal, VC; Brígido, Clarisse; Souza, IS; Lacerda Júnior, GV; Carvalho, M; Fernandes-Júnior, PI; Martins, LMVSalinity in arid and semi-arid regions is rapidly increasing due to climate change and human activities [1]. The use of inoculants containing beneficial microbes, such as arbuscular mycorrhizal fungi (AMF) and rhizobia, offers a promising alternative for enhancing plant production in these areas [2]. This study investigates the effects of common agricultural practices, specifically microbial inoculation and cro...
Deciphering the hidden potentials of bacterial communities isolated from root n...
Ben Gaied, R; Sbissi, I.; Tarhouni, M.; Brígido, ClarisseIn an Era where climate change imposes difficult challenges for agricultural sustainability, there’s a growing urgency for the development of novel strategies to guarantee both plant productivity and soil fertility. In this context, particular attention was given to plant growth promoting bacteria (PGPB) associated with native legumes in arid habitats due to their natural adaptability to extreme environments. D...
Descoberta de trufas de verão em Portugal
Santos-Silva, Celeste; Brígido, ClarisseEm Portugal, vários cogumelos e trufas comestíveis são colhidos tanto para consumo próprio como para venda a retalho. Os recolectores de cogumelos e trufas são geralmente habitantes rurais que não usam animais (porcos ou cães) para os ajudar nesta tarefa. Tendo isto em conta, nos últimos anos foram realizadas diversas expedições micológicas com cães treinados, tendo sido recolhidos muitos fungos hipógeos (Santo...
Genomic Insights into a Desert-Adapted Sinorhizobium Strain from the Tunisian S...
Ben Gaied, Roukaya; Sbissi, I.; Kaur, S.; diCenzo, G. C; Brígido, ClarisseNitrogen fixation by rhizobia in symbiosis with legumes is essential for nitrogen cycling and sustainable agriculture and plays a critical role in the survival of native leguminous plants in the arid and Saharan environments of Tunisia. The Sinorhizobium meliloti strain IRAMC:0087, initially isolated from the root nodules of the Saharan shrub Calobota saharae in southern Tunisia, can establish nodulation with V...
Enhancing Pisum sativum growth and symbiosis under heat stress: the synergistic...
Ben Gaied, Roukaya; Sbissi, Imed; Tarhouni, Mohamed; Brígido, ClarisseThe 1-aminocyclopropane-1-carboxylate (ACC) deaminase is a crucial bacterial trait, yet it is not widely distributed among rhizobia. Hence, employing a co-inoculation approach that combines selected plant growth-promoting bacteria with compatible rhizobial strains, especially those lacking ACC deaminase, presents a practical solution to alleviate the negative effects of diverse abiotic stresses on legume nodula...
Impacts of agricultural intensification on soil erosion and sustainability of o...
Rodríguez Sousa, Antonio Alberto; Muñoz-Rojas, José; Brígido, Clarisse; Prats, Sérgio AlegreContext Olive groves are key features of Iberian Mediterranean landscapes. With the intensification of olive grove production, some negative environmental impacts on soils must be considered to achieve farm sustainability. Objectives To estimate, theoretically and empirically, soil erosion in olive groves of Alentejo (Portugal) considering different planting densities and soil managements (i.e. conventional, in...
Relevancia del manejo agrícola de olivares mediterráneos intensivos en el contr...
Rodríguez Sousa, Antonio Alberto; Prats, Sérgio A.; Brígido, Clarisse; Muñoz-Rojas, JoséLos olivares configuran paisajes culturales de importancia en la Península Ibérica y el Mediterráneo. Una estrategia para garantizar su rentabilidad económica corresponde a la intensificación agrícola (i.e. adición de insumos químicos y riego, incremento de la densidad de plantación). Dicha intensificación resulta en externalidades ambientales evidenciadas (i.e. pérdida de biodiversidad y contaminación difusa)....