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The use of chitosan oligosaccharide to improve artemisinin yield in well-watere...

García-García, Ana L.; Matos, Ana Rita; Feijão, Eduardo; Carvalho, Ricardo Cruz de; Boto, Alicia; Silva, Jorge Marques da; Jiménez-Arias, David

Introduction: Artemisinin is a secondary metabolite well-known for its use in the treatment of malaria. It also displays other antimicrobial activities which further increase its interest. At present, Artemisia annua is the sole commercial source of the substance, and its production is limited, leading to a global deficit in supply. Furthermore, the cultivation of A. annua is being threatened by climate change....


Abscisic acid mimic-fluorine derivative 4 alleviates water deficit stress by re...

Jiménez-Arias, David; Morales-Sierra, Sarai; Suárez, Emma; Lozano-Juste, Jorge; Coego, Alberto; Estevez, Juan C.; Borges, Andrés A.; Rodriguez, Pedro L.

Water deficit represents a serious limitation for agriculture and both genetic and chemical approaches are being used to cope with this stress and maintain plant yield. Next-generation agrochemicals that control stomatal aperture are promising for controlling water use efficiency. For example, chemical control of abscisic acid (ABA) signaling through ABA-receptor agonists is a powerful method to activate plant ...


Chitosan-Enclosed Menadione Sodium Bisulfite as an Environmentally Friendly Alt...

Jiménez-Arias, David; Bonardd, Sebastian; Morales-Sierra, Sarai; Carvalho, Miguel Â. Almeida Pinheiro de; Díaz Díaz, David

Biostimulants are an interesting strategy to increase crop tolerance to water deficits, and there is an extensive bibliography on them. However, most of them need to be treated continuously to increase protection throughout the growth cycle. In this context, we chose menadione sodium bisulfite, whose protective effect against water deficit has been previously demonstrated but only for a short period of time. Na...


The use of chitosan oligosaccharide to improve artemisinin yield in well-watere...

García-García, Ana L.; Matos, Ana Rita; Feijão, Eduardo; Cruz De Carvalho, Ricardo; Boto, Alicia; Marques da Silva, Jorge; Jiménez-Arias, David

Introduction: Artemisinin is a secondary metabolite well-known for its use in the treatment of malaria. It also displays other antimicrobial activities which further increase its interest. At present, Artemisia annua is the sole commercial source of the substance, and its production is limited, leading to a global deficit in supply. Furthermore, the cultivation of A. annua is being threatened by climate change....


Addressing the contribution of small molecule-based biostimulants to the biofor...

Hernandiz, Alba E.; Jiménez-Arias, David; Morales-Sierra, Sarai; Borges, Andres A.; De Diego, Nuria

Biostimulants have become an asset for agriculture since they are a greener alternative to traditionally used plant protection products. Also, they have gained the farmers’ acceptance due to their effect on enhancing the plant’s natural defense system against abiotic stresses. Besides commercially available complex products, small molecule-based biostimulants are useful for industry and research. Among them, po...


Encapsulation with Natural Polymers to Improve the Properties of Biostimulants ...

Jiménez-Arias, David; Morales-Sierra, Sarai; Silva, Patrícia; Carrêlo, Henrique; Gonçalves, Adriana; Ganança, José Filipe Teixeira; Nunes, Nuno

Encapsulation in agriculture today is practically focused on agrochemicals such as pes ticides, herbicides, fungicides, or fertilizers to enhance the protective or nutritive aspects of the entrapped active ingredients. However, one of the most promising and environmentally friendly technologies, biostimulants, is hardly explored in this field. Encapsulation of biostimulants could indeed be an excellent means of...


Development of Retrotransposon-Based Molecular Markers for Characterization of ...

González Carracedo, Mario; Alonso, Samuel Bello; Cabrera, Rahil Salomé Brito; Jiménez-Arias, David; Pérez Pérez, José Antonio

Persea americana (avocado) represents one of the most demanded food products worldwide, with an important impact in several agronomy-based economies. The avocado is one of the most salt sensitive and valuable crops. It is therefore necessary to use salt-tolerant varieties, such as the West Indian, for cultivation in locations with soil salinity problems, such as the Canary Islands. Therefore, characterization o...


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