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Palacios Ortega, Juan ; García Linares, Sara ; Rivera de la Torre, Esperanza ; Gavilanes, José G. ; Martínez del Pozo, Álvaro ; Slotte, J. Peter | ACS | 2017In this study, we examined the influence of bilayer thickness on the activity of the actinoporin toxins sticholysin I and II (StnI and StnII) at 25 °C. Bilayer thickness was varied using dimonounsaturated phosphatidylcholine (PC) analogues (with[...]texto impreso
García-Linares, Sara ; Rivera de la Torre, Esperanza ; Morante, Koldo ; Tsumoto, Kouhei ; Caaveiro, José M. M. ; Gavilanes, José G. ; Slotte, J. Peter ; Martínez del Pozo, Álvaro | American Chemical Society | 2016-11Sea anemone actinoporins constitute a protein family of multigene pore-forming toxins (PFT). Equinatoxin II (EqtII), fragaceatoxin C (FraC), and sticholysins I and II (StnI and StnII, respectively), produced by three different sea anemone specie[...]texto impreso
Palacios Ortega, Juan ; Rivera de la Torre, Esperanza ; Gavilanes, José G. ; Slotte, J. Peter ; Martínez del Pozo, Álvaro | Elsevier | 2020-09-01Release of aqueous contents from model lipid vesicles has been a standard procedure to evaluate pore formation efficiency by actinoporins, such as sticholysin II (StnII), for the last few decades. However, regardless of the probe of choice, the [...]texto impreso
Rivera de la Torre, Esperanza ; Palacios Ortega, Juan ; Slotte, J. Peter ; Gavilanes, José G. ; Martínez del Pozo, Álvaro ; García Linares, Sara | MDPI | 2020-11Venoms constitute complex mixtures of many different molecules arising from evolution in processes driven by continuous prey–predator interactions. One of the most common compounds in these venomous cocktails are pore-forming proteins, a family [...]texto impreso
Rivera de la Torre, Esperanza ; Palacios Ortega, Juan ; Gavilanes, José G. ; Martínez del Pozo, Álvaro ; García Linares, Sara | MDPI | 2019Animal venoms are complex mixtures of highly specialized toxic molecules. Cnidarians and arachnids produce pore-forming proteins (PFPs) directed against the plasma membrane of their target cells. Among PFPs from cnidarians, actinoporins stand ou[...]texto impreso
García Linares, Sara ; Maula, Terhi ; Rivera de la Torre, Esperanza ; Gavilanes, José G. ; Slotte, J.Peter ; Martínez del Pozo, Álvaro | American Chemical Society | 2016Actinoporins are pore-forming toxins from sea anemones. Upon interaction with sphingomyelin-containing bilayers, they become integral oligomeric membrane structures that form a pore. Sticholysin II from Stichodactyla helianthus contains five try[...]texto impreso
Palacios Ortega, Juan ; García Linares, Sara ; Rivera de la Torre, Esperanza ; Gavilanes, José G. ; Martínez del Pozo, Álvaro ; Slotte, J. Peter | Elsevier | 2019-06-18Actinoporins are a group of soluble toxic proteins that bind to membranes containing sphingomyelin (SM) and oligomerize to form pores. Sticholysin II (StnII) is a member of the actinoporin family, produced by Stichodactyla helianthus. Cholestero[...]texto impreso
Rivera de la Torre, Esperanza ; García Linares, Sara ; Alegre Cebollada, Jorge ; Lacadena, Javier ; Gavilanes, José G. ; Martínez del Pozo, Álvaro | ASBMB American Society for Biochemistry and Molecular Biology | 2016Among the toxic polypeptides secreted in the venom of sea anemones, actinoporins are the pore-forming toxins whose toxic activity relies on the formation of oligomeric pores within biological membranes. Intriguingly, actinoporins appear as multi[...]texto impreso
García Linares, Sara ; Rivera de la Torre, Esperanza ; Palacios Ortega, Juan ; Gavilanes, José G. ; Martínez del Pozo, Álvaro | Eslsevier | 2017Sea anemones produce venoms containing different toxic molecules. Among them, actinoporins are some of the best characterized ones. They constitute a family of toxic polypeptides that belong to the much larger group of pore-forming toxins. Actin[...]
