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Browsing by Author "Pérez Igualada, Luz María"

Now showing items 1-20 of 63

A comparison of techniques for studying oogenesis in the European eel Anguilla anguilla

Mazzeo ., Ilaria; Giorgini, E.; Gioacchini, G.; Maradonna, F.; Vilchez Olivencia, Maria Carmen; Baloche, S.; Dufour, S.; Pérez Igualada, Luz María; Carnevali, O.; Asturiano Nemesio, Juan Francisco (Blackwell Publishing, 2016)

[EN] A multi-technique approach was used to study the changes occurring in European eel Anguilla anguilla ovaries during hormonally-induced vitellogenesis. Aside from classic techniques used to monitor the vitellogenic ...
Assessment of parental contributions to fast- and slow-growing progenies in the sea bream Sparus aurata L. using a new multiplex PCR

Borrell, Yaisel J.; Gallego Albiach, Victor; García Fernández, Carmen; Mazzeo ., Ilaria; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Carleos, Carlos E.; Vázquez, Emilia; Sánchez, José A.; Blanco, Gloria (Elsevier, 2011-04-04)

Molecular tools to assist breeding programs in the gilthead sea bream (Sparus aurata L.) are scarce. A new multiplex PCR technique (OVIDORPLEX), which amplifies nine known microsatellite markers, was developed in this work. ...
Characterization of potential spermatogonia biomarker genes in the European eel (Anguilla anguilla)

Blanes-García, Marta; Marinovic, Zoran; Herranz-Jusdado, Juan Germán; Xie, Xuan; Ferrao, Leonor; Gallego Albiach, Victor; Pérez Igualada, Luz María; Horváth, Ákos; Psenicka, Martin; Asturiano, Juan F.; Morini, Marina; Baloch, Abdul Rasheed (Springer-Verlag, 2024-04-19)

[EN] Identification of specific molecular markers for spermatogonial stem cells in teleost is crucial for enhancing the efficacy of reproductive biotechnologies in aquaculture, such as transplantation and surrogate production ...
Cold seawater induces early maturational stages in the BPG axis of European eel males

Rozenfeld, Christoffer; García-Carpintero-Burgos, Víctor; Pérez Igualada, Luz María; Gallego Albiach, Victor; Herranz-Jusdado, Juan Germán; Tveiten, Helge; Johnsen, Helge K.; Fontaine, Romain; Weltzien, F.A.; Cañizares Sales, Joaquín; Asturiano, Juan F.; Peñaranda, D.S. (Springer (Biomed Central Ltd.), 2019-07-22)

[EN] BackgroundThe impossibility of closing the life cycle of the European eel (Anguilla anguilla) in captivity troubles the future of this critically endangered species. In addition, the European eel is a highly valued ...
Comparison of European eel sperm cryopreservation protocols with standardization as a target

Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; MORINI, MARINA; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Kása, E.; Kollár, T.; Depincé, A.; Labbé, C.; Horváth, Á.; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)

[EN] The critical situation of the European eel (Anguilla anguilla) has urged the development of sperm cryopreservation protocols for reproduction in captivity and cryobanking. In the last years, two research groups have ...
Comparison of two techniques for the morphometry study on gilthead seabream (Sparus aurata) spermatozoa and evaluation of changes induced by cryopreservation

Gallego Albiach, Victor; Peñaranda, D.S.; Marco Jiménez, Francisco; Mazzeo, Ilaria; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2012-04-01)

[EN] The development of powerful software has made possible spermatozoa morphology studies. However, some problems have emerged in relation to protocol standardization to compare results from different laboratories. This ...
De novo European eel transcriptome provides insights into the evolutionary history of duplicated genes in teleost lineages

Rozenfeld, Christoffer; Blanca Postigo, José Miguel; Gallego Albiach, Victor; García-Carpintero, Víctor; Herranz-Jusdado, Juan Germán; Pérez Igualada, Luz María; Asturiano, Juan F.; Cañizares Sales, Joaquín; Peñaranda, D.S. (Public Library of Science, 2019-06-12)

[EN] Paralogues pairs are more frequently observed in eels (Anguilla sp.) than in other teleosts. The paralogues often show low phylogenetic distances; however, they have been assigned to the third round of whole genome ...
Determinación del desarrollo sexual de peces por medio de preparaciones histológicas

Gallego Albiach, Victor; Pérez Igualada, Luz María (2021-07-16)

En este artículo vamos a aprender a diferenciar los estados de desarrollo sexual de un pez por medio de láminas con fotografías, siempre que tengamos preparaciones histológicas de su ovario o testículo. Se describen ...
Development of sperm vitrification protocols for freshwater fish (Eurasian perch, Perca fluviatilis) and marine fish (European eel, Anguilla anguilla)

Kása, E.; Bernáth, G.; Kollár, T.; Zarski, D.; Lujic, J.; Marinovic, Z.; Bokor, Z.; Hegyi, Á.; Urbányi, B.; Vilchez Olivencia, Maria Carmen; MORINI, MARINA; Peñaranda, D.S.; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Horváth, Ákos (Elsevier, 2017)

[EN] Vitrification was successfully applied to the sperm of two fish species, the freshwater Eurasian perch (Perca fluviatilis) and marine European eel (Anguilla anguilla). Sperm was collected, diluted in species specific ...
Eel sperm cryopreservation: an overview

Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; Morini, Marina; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Müller, T.; Horváth, Ákos; Ohta, H.; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)

[EN] The eels are teleost fishes from the order Anguilliformes that includes several species with high commercial value. Due to the high interest for aquaculture production of some eel species and for the need to restore ...
Efecto del regimen térmico en la calidad de los huevos y el desarrollo embrionario de la anguila europea (Anguilla anguilla)

Vilchez Olivencia, Maria Carmen (Universitat Politècnica de València, 2014-02-21)

[ES] Se ha evaluado el efecto de dos regímenes térmicos (constante y variable) aplicados durante la maduración sexual de hembras de anguila, en la calidad de las puestas y el desarrollo embrionario posterior. Se analizan ...
Efecto del régimen térmico en el desarrollo ovárico de hembras de anguila europea (Anguilla anguilla)

Navarro Miranda, Rafael Dario (Universitat Politècnica de València, 2013-03-24)

[ES] Se ha evaluado el efecto de dos regímenes térmicos (constante y variable) en el desarrollo sexual de hembras de anguila inducidas a la maduración sexual con extractos de hipófisis de carpa. Se analizan los estados de ...
Effect of seawater temperature and pH on the sperm motility of the European eel

Padilla-Sanchez, Malbelys; de Souza-França, Thales; González-López, Wendy A.; Morini, Marina; Asturiano, Juan F.; Pérez Igualada, Luz María (Springer-Verlag, 2024-02-07)

[EN] The current climate change situation could bring critical effects for marine species, especially those already considered endangered. Although some species can adapt fast to the environmental changes, it is necessary ...
Effect of the probiotic Lactobacillus rhamnosus on the expression of genes involved in European eel spermatogenesis

Vilchez Olivencia, Maria Carmen; Santangeli, Stefania; Maradonna, Francesca; Gioacchini, Giorgia; Verdenelli, Cristina; Gallego Albiach, Victor; Peñaranda, D.S.; Tveiten, Helge; Pérez Igualada, Luz María; Carnevali, Oliana; Asturiano Nemesio, Juan Francisco (Elsevier, 2015-11)

[EN] Positive effects of probiotics on fish reproduction have been reported in several species. In the present study, 40 male European eels were weekly treated with recombinant hCG for 9 weeks and with three different ...
Effect of thermal regime on fatty acid dynamics in male European eels (Anguilla anguilla) during hormonally-induced spermatogenesis

Baeza Ariño, Rosa; Mazzeo, Ilaria; Vilchez Olivencia, Maria Carmen; Gallego Albiach, Victor; Peñaranda, D.S.; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2014-06-20)

[EN] Little is known about the role of fat and fatty acids in European eel spermatogenesis. The aim of this research was to study the changes in fat content and to carry out a quantitative analysis of the fatty acid ...
Effects of cold seawater pre-treatments on induction of early sexual maturation and sperm production in European eel (Anguilla anguilla)

Pires-Ferrão, María Leonor; Morini, Marina; González-López, Wendy Ángela; Gallego Albiach, Victor; Felip, Alicia; Pérez Igualada, Luz María; Asturiano, Juan F. (Springer-Verlag, 2024-09-05)

[EN] To induce sexual maturation in captivity, eels rely on hormonal treatments, but this process is costly and time-consuming. As an alternative, different types of conditioning, also referred as pre-treatment, have been ...
Estimación de la densidad celular mediante el uso de cámaras de recuento

Gallego Albiach, Victor; Pérez Igualada, Luz María (2021-07-16)

En este artículo vamos a explicar cómo estimar la densidad de células y/o partículas en una suspensión mediante el uso de diferentes tipos de cámaras de recuento. El conteo de partículas es una técnica ampliamente utilizada ...
Estudio del efecto de la temperatura en desarrollo ovárico de hembras de anguila

Calabuig Pons, Virginia (Universitat Politècnica de València, 2011-09-01)

La anguila europea es una especie importante en piscicultura en la cual no se ha cerrado el ciclo reproductivo. Por ello este trabajo se basa en el estudio reproductivo en hembras. Evaluando el desarrollo gonadal de anguila ...
ESTUDIO DEL EFECTO DE LA TEMPERATURA EN LA MOVILIZACIÓN DE ÁCIDOS GRASOS EN HEMBRAS DE ANGUILA EUROPEA

Martínez Milián, Gloria (Universitat Politècnica de València, 2012-01-10)

En el presente estudio se ha intentado dilucidar si la temperatura a la que se mantienen las hembras de anguila durante la reproduccion artificial afecta al proceso de movilización de ácidos grasos. Aunque no se han ...
European eel sperm storage: optimization of short-term protocols and cryopreservation of large volumes

Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; Rozenfeld, Christoffer; MORINI, MARINA; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)

[EN] Maturation in captivity of European eel (Anguilla anguilla) requires long and costly hormonal treatments that often lead to asynchronic maturation between sexes. Therefore, optimization of sperm short-term storage ...