8 documents found, page 1 of 1

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Mass Spectrometry-Based Proteomic and Metabolomic Profiling of Serum Samples fo...

Fernandes, Ana Filipa; Gonçalves, Luís Gafeira; Bento, Maria; Anjo, Sandra I.; Manadas, Bruno; Barroso, Clara; Villar, Miguel; Macedo, Rita

Tuberculosis (TB) is a transmissible disease listed as one of the 10 leading causes of death worldwide (10 million infected in 2019). A swift and precise diagnosis is essential to forestall its transmission, for which the discovery of effective diagnostic biomarkers is crucial. In this study, we aimed to discover molecular biomarkers for the early diagnosis of tuberculosis. Two independent cohorts comprising 29...


Biomaterials and bioactive natural products from marine invertebrates: from bas...

Romano, Giovanna; Almeida, Mariana Dias; Coelho, Ana Varela; Cutignano, Adele; Gonçalves, Luis G.; Hansen, Espen; Khnykin, Denis; Mass, Tali

Aquatic invertebrates are a major source of biomaterials and bioactive natural products that can find applications as pharmaceutics, nutraceutics, cosmetics, antibiotics, antifouling products and biomaterials. Symbiotic microorganisms are often the real producers of many secondary metabolites initially isolated from marine invertebrates; however, a certain number of them are actually synthesized by the macro-or...


Caracterização química e avaliação da actividade biológica da framboesa (Rubus ...

Câmara, Madalena Bettencourt da; Figueira, Maria Eduardo; Ferreira, João Pedro Borges; Coelho, Ana Varela; Feliciano, Rui; Silva, Andreia Bento da


Mitochondrial proteomics of the acetic acid – induced programmed cell death res...

Guerreiro, Joana F.; Marques, Maria Belém Sousa Sampaio; Soares, Renata; Coelho, Ana Varela; Leão, Cecília; Ludovico, Paula; Sá-Correia, Isabel

Very high concentrations of acetic acid at low pH induce programmed cell death (PCD) in both the experimental model Saccharomyces cerevisiae and in Zygosaccharomyces bailii, the latter being considered the most problematic acidic food spoilage yeast due to its remarkable intrinsic resistance to this food preservative. However, while the mechanisms underlying S. cerevisiae PCD induced by acetic acid have been pr...


A possible approach for gel-based proteomic studies in recalcitrant woody plants

Sebastiana, Mónica; Figueiredo, Andreia; Monteiro, Filipa; Martins, Joana; Franco, Catarina; Coelho, Ana Varela; Vaz, Fátima; Simões, Tânia

Woody plants are particularly difficult to investigate due to high phenolic, resin, and tannin contents and laborious sample preparation. In particular, protein isolation from woody plants for two-dimensional gel electrophoresis (2-DE) is challenging as secondary metabolites negatively interfere with protein extraction and separation. In this study, three protein extraction protocols, using TCA, phenol and etha...


Understanding regeneration through proteomics

Franco, Catarina; Soares, Renata; Pires, Elisabete; Koci, Kamila; Almeida, André M.; Santos, Romana; Coelho, Ana Varela

Regeneration is a complex cellular process that, rather than simply forming a scar following injury, the animal forms a new functional tissue. Regeneration is a widespread process among metazoa, although not uniformly. Planaria, starfish, and some worms can regenerate most of their body, whereas many other species can only regenerate parts of specific tissues or fail to accomplish a functional regrowth, as is t...


The Effect of Tannins on Mediterranean Ruminant Ingestive Behavior: The Role of...

Lamy, Elsa; Rawel, Harshadrai; Schweigert, Florian J.; Capela e Silva, Fernando; Ferreira, Ana; Costa, Ana Rodrigues; Antunes, Célia

Abstract: Sheep, cattle and goat are domestic ruminants of significant economic interest in the Mediterranean region. Although sharing the same pasture ranges, they ingest different plants and plant parts and, consequently different levels of tannins. This suggests an ability to detect and adapt ingestion according to animal physiological limits of tolerance for plant secondary metabolites. This review will det...


The effect of tannins on Mediterranean ruminant ingestive behavior: the role of...

Lamy, Elsa; Rawel, Harshadrai; Schweigert, Florian J.; Capela e Silva, Fernando; Ferreira, Ana; Costa, Ana Rodrigues; Antunes, Célia

Sheep, cattle and goat are domestic ruminants of significant economic interest in the Mediterranean region. Although sharing the same pasture ranges, they ingest different plants and plant parts and, consequently different levels of tannins. This suggests an ability to detect and adapt ingestion according to animal physiological limits of tolerance for plant secondary metabolites. This review will detail the ef...


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