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Browsing by Author "Asturiano Nemesio, Juan Francisco"

Now showing items 1-20 of 65

5th International Workshop on the Biology of Fish Gametes Evidences of a series growing in numbers and quality

Asturiano Nemesio, Juan Francisco; Horváth, Ákos; Carnevali, Oliana (Elsevier, 2017)
5th International Workshop on the Biology of Fish Gametes, Book of Abstracts

Asturiano Nemesio, Juan Francisco; Horváth, Ákos; Carnevali, Oliana (2015-08)

The workshop, arrived at its fifth edition and taking place in Ancona in the coming September, is organized within the framework of the AQUAGAMETE COST Action FA1205 coordinated by Dr. Juan F. Asturiano, funded by the ...
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. ...
Cambios en la composición en ácidos grasos en distintos tejidos de machos de anguila europea (Anguilla anguilla) durante el desarrollo gonadal inducido hormonalmente

Mazzeo, Ilaria (2011-10-18)

Resumen en español:El presente trabajo quiere ser una primera evaluación de las variaciones en el contenido en ácidos grasos en machos de anguilla europea a lo largo del desarrollo gonadal para evaluar si es posible ...
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 ...
Development of innovative methods for induction of European eel (Anguilla anguilla) spermatogenesis

Rozenfeld, Christoffer (2019-09-02)

[ES] Resumen Como pez de gran valor económico, procedente de una de las líneas de teleósteos más antiguas, con un ciclo de vida misterioso, un potencial de acuicultura excepcional, y con importancia cultural y actividades ...
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 ...
Efecto del estradiol en testículos de lubina (Dicentrarchus labrax) en pregametogénesis

Escorza Sius, Amanda Paz (2019-11-06)

[ES] El estudio de aspectos básicos en Acuicultura como la reproducción de especies altamente producidas, es de gran interés socioeconómico. La lubina es un pez perciforme del Mediterráneo altamente apreciado en el mercado ...
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 ...
Effect of thermal regime on the expression of key reproductive genes during hormonally-induced vitellogenesis in female European eels

Mazzeo, Ilaria (2015-12-19)

European eel (Anguilla anguilla, L., 1758) is suffering a strong population decrease and at the same time it is a very appreciated species and by now it has not been possible closing its cycle life. In fact, this species ...
Embryonic development of the grass pufferfish (Takifugu niphobles): From egg to larvae

Gallego Albiach, Victor; Yoshida, Manabu; Kurokawa, D.; Asturiano Nemesio, Juan Francisco; Fraser, G.J. (Elsevier, 2017)

[EN] Tetraodontidae (pufferfish) family members carry the smallest genomes among vertebrates, and these pocket-sized genomes have directly contributed to our understanding of the structure and evolution of higher animals. ...
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 ...
Evaluation of methods to determine sperm density for the European eel, Anguilla anguilla

Sorensen, SR; Gallego Albiach, Victor; Pérez Igualada, Luz María; Butts, IAE; Tomkiewicz, J.; Asturiano Nemesio, Juan Francisco (Wiley, 2013-12)

[EN] Contents European eel, Anguilla anguilla, is a target species for future captive breeding, yet best methodology to estimate sperm density for application in in vitro fertilization is not established. Thus, our objectives ...
Exploring correlations between sex steroids and fatty acids and their potential roles in the induced maturation of the male European eel

Baeza Ariño, Rosa; Peñaranda, D.S.; Vilchez Olivencia, Maria Carmen; Tveiten, Helge; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2015-01-01)

[EN] The present study was undertaken to evaluate the correlations between the fatty acids in the liver and testis and the plasma levels of the hormonal steroids used during eel spermatogenesis, in order to clarify the ...
First production of larvae using cryopreserved sperm. Effects of preservation temperature and cryopreservation on European eel sperm fertilization capacity

Asturiano Nemesio, Juan Francisco; Sorensen, S.R.; Pérez Igualada, Luz María; Lauesen, P.; Tomkiewicz, J. (Blackwell Publishing, 2016)

[EN] Contents Sperm cryopreservation is a useful tool in captive fish reproduction management, that is to synchronize gamete production, especially in the case of species as the European eel, where the time of female ...
Fish sperm motility assessment as a tool for aquaculture research, a historical approach

Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco (Blackwell Publishing, 2018)

[EN] Fish sperm motility is nowadays considered the best biomarker for the quality of fish spermatozoa, and sperm motion parameters from more than 300 fish species have been reported in more than 1500 scientific articles ...
Handling and treatment of male European eels (Anguilla anguilla) for hormonal maturation and sperm cryopreservation

Herranz-Jusdado, Juan Germán; Kása, É; Kollár, Timea; Gallego Albiach, Victor; Peñaranda, D.S.; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Horváth, Ákos; Asturiano Nemesio, Juan Francisco (Journal of Visualized Experiments, 2018)

[EN] During the last years, several research groups have been working on the development and improvement of new protocols for the European eel handling and maturation. As of yet, weekly injections of human chorionic ...