Descubre y comparte nuestro conocimiento público

Se han encontrado 44 recursos

Resultados de búsqueda

Article

Autor: Jara-Seguel, Pedro Ubilla Madrid, Andrea Estrada, Juan Ramirez, Diego Valdebenito Isler, Iván

Studies about nuclear DNA content in the genus Genypterus are scarce, and the present study gives the first estimate of nuclear DNA content of Genypterus chilensis, with a value of 2C= 1.0 +/- 0.06 pg, value close to that obtained for other Ophidiidae species wich range between 1.2 and 1.68 pg.

Enlace original: http://repositoriodigital.uct.cl/handle/10925/2920

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Jara-Seguel, Pedro ,  Ubilla Madrid, Andrea ,  Estrada, Juan ,  Ramirez, Diego ,  Valdebenito Isler, Iván ,  [Nuclear DNA content in the red conger eel Genypterus chilensis (Guichenot, 1881) (Actinopterygii: Ophidiidae)] ,  Nuclear DNA content in the red conger eel Genypterus chilensis (Guichenot, 1881) (Actinopterygii: Ophidiidae)
Article

Autor: Merino, Osvaldo Dumorne, Kelly Sandoval Vargas, Leydy Figueroa Villalobos, Elías Valdebenito Isler, Iván Farias, Jorge G. Risopatron, Jennie

Short-term storage of semen is a necessary key procedure in fish; it allows maximizing the use of gametes. Nevertheless, sperm quality decreases during storage has been associated with oxidative stress damage due to an increase in reactive oxygen species (ROS) during storage. This study was desig...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3210

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Merino, Osvaldo ,  Dumorne, Kelly ,  Sandoval Vargas, Leydy ,  Figueroa Villalobos, Elías ,  Valdebenito Isler, Iván ,  Farias, Jorge G. ,  Risopatron, Jennie ,  [Short-term storage sperm of coho salmon (Oncorhynchus kisutch) at 4 degrees C: Effect of sperm: Extender dilution ratios and antioxidant butyl-hydroxytoluene (BHT) on sperm function] ,  Short-term storage sperm of coho salmon (Oncorhynchus kisutch) at 4 degrees C: Effect of sperm: Extender dilution ratios and antioxidant butyl-hydroxytoluene (BHT) on sperm function
Article

Autor: Contreras, P. Ulloa, P. Merino, O. Valdebenito Isler, Iván Figueroa Villalobos, Elías Farias, J. Risopatron, J.

Short-term storage of semen is a useful strategy for preservation of fish spermatozoa in reproductive management, however, no information is available on Patagonian blenny (Eleginops maclovinus) semen. This study was designed to evaluate the effects of in vitro storage on sperm function parameter...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3211

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Contreras, P. ,  Ulloa, P. ,  Merino, O. ,  Valdebenito Isler, Iván ,  Figueroa Villalobos, Elías ,  Farias, J. ,  Risopatron, J. ,  [Effect of short-term storage on sperm function in Patagonian blenny (Eleginops maclovinus) sperm] ,  Effect of short-term storage on sperm function in Patagonian blenny (Eleginops maclovinus) sperm
Article

Autor: Trigo, P. Merino, O. Figueroa Villalobos, Elías Valdebenito Isler, Iván Sanchez, R. Risopatron, J.

The short-term storage of salmonid semen is a viable method for in vitro fertilisation. Previous studies have found that short-term storage affects sperm motility, compromising quality and fertilising capacity. However, the functional characteristics of the spermatozoa of O.mykiss during storage ...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3048

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Trigo, P. ,  Merino, O. ,  Figueroa Villalobos, Elías ,  Valdebenito Isler, Iván ,  Sanchez, R. ,  Risopatron, J. ,  [Effect of short-term semen storage in salmon (Oncorhynchus mykiss) on sperm functional parameters evaluated by flow cytometry] ,  Effect of short-term semen storage in salmon (Oncorhynchus mykiss) on sperm functional parameters evaluated by flow cytometry
Article

Autor: Diaz, Rommy Lee-Estevez, Manuel Quinones, John Dumorne, Kelly Short, Stefania Ulloa-Rodriguez, Patricio Valdebenito Isler, Iván Sepulveda, Nestor Farias, Jorge G.

The cold storage and cryopreservation of semen decrease sperm quality. Morphological and biochemical analyses of spermatozoa provide valuable information for the optimization of storage protocols to obtain a sufficient number of spermatozoa for in vitro fertilization. The aim of this study was to...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3199

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Diaz, Rommy ,  Lee-Estevez, Manuel ,  Quinones, John ,  Dumorne, Kelly ,  Short, Stefania ,  Ulloa-Rodriguez, Patricio ,  Valdebenito Isler, Iván ,  Sepulveda, Nestor ,  Farias, Jorge G. ,  [Changes in Atlantic salmon (Salmo salar) sperm morphology and membrane lipid composition related to cold storage and cryopreservation] ,  Changes in Atlantic salmon (Salmo salar) sperm morphology and membrane lipid composition related to cold storage and cryopreservation
Article

Autor: Valdebenito Isler, Iván Busse, K. Jaramillo Brun, Nathalie Hernández Arias, Adrián

'Puye' (Galaxias maculatus) is a small freshwater fish species of great interest to Chilean aquaculture diversification, because of the high commercial value reached by its transparent larvae or 'cristalino'. This study presents the first data with regard to blood cytology in larvae and adults of...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3304

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Valdebenito Isler, Iván ,  Busse, K. ,  Jaramillo Brun, Nathalie ,  Hernández Arias, Adrián ,  [Blood cytology of the common jollytail (Galaxias maculatus) (Jenyns, 1842) (Osmeriformes: Galaxiidae) at postlarval and adult stages] ,  Blood cytology of the common jollytail (Galaxias maculatus) (Jenyns, 1842) (Osmeriformes: Galaxiidae) at postlarval and adult stages
Article

Autor: Merino, O. Figueroa Villalobos, Elías Cheuqueman, C. Valdebenito Isler, Iván Isachenko, V. Isachenko, E. Sanchez, R. Farias, J. Risopatron, J.

Short-term storage of semen is a useful strategy for preservation of fish spermatozoa. However, there is a significantly decrease on sperm function mainly due to oxidative stress. In this way, sodium alginate plays an important role as free radical scavenger compound. Accordingly, the aim of our ...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3357

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Merino, O. ,  Figueroa Villalobos, Elías ,  Cheuqueman, C. ,  Valdebenito Isler, Iván ,  Isachenko, V. ,  Isachenko, E. ,  Sanchez, R. ,  Farias, J. ,  Risopatron, J. ,  [Short-term storage of salmonids semen in a sodium alginate-based extender] ,  Short-term storage of salmonids semen in a sodium alginate-based extender
Article

Autor: Dumorne, Kelly Valdebenito Isler, Iván Risopatron, Jennie Figueroa Villalobos, Elías Diaz, Rommy Farias, Jorge

In this study, the morphology and ultrastructure of Genypterus blacodes spermatozoa were characterized through scanning and transmission electron microscopy. Findings revealed that the G. blacodes spermatozoa can be differentiated into three major parts: a spherical head without an acrosome (typi...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3549

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Dumorne, Kelly ,  Valdebenito Isler, Iván ,  Risopatron, Jennie ,  Figueroa Villalobos, Elías ,  Diaz, Rommy ,  Farias, Jorge ,  [Morphology and ultrastructure of pink cusk-eel (Genypterus blacodes, Schneider 1801) spermatozoa by scanning and transmission electron microscopy] ,  Morphology and ultrastructure of pink cusk-eel (Genypterus blacodes, Schneider 1801) spermatozoa by scanning and transmission electron microscopy
Article

Autor: Dumorne, Kelly Valdebenito Isler, Iván Contreras, Pablo Ulloa Rodriguez, Patricio Risopatron, Jennie Figueroa Villalobos, Elías Estevez, Manuel Lee Diaz, Rommy Farias, Jorge
Enlace original: http://repositoriodigital.uct.cl/handle/10925/3576

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Dumorne, Kelly ,  Valdebenito Isler, Iván ,  Contreras, Pablo ,  Ulloa Rodriguez, Patricio ,  Risopatron, Jennie ,  Figueroa Villalobos, Elías ,  Estevez, Manuel Lee ,  Diaz, Rommy ,  Farias, Jorge ,  [Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))] ,  Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))
Article

Autor: Figueroa Villalobos, Elías Merino, O. Risopatron, J. Isachenko, V. Sanchez, R. Effer Roldan, Brian Isachenko, E. Farias, J. G. Valdebenito Isler, Iván

This study was designed to test a vitrification method in Atlantic salmon spermatozoa and determine the capacity of seminal plasma (SP) to protect these cells from cryoinjuries. The vitrification medium consisted of a standard buffer for fish spermatozoa (Cortland medium) + 10% DMSO + 2% BSA + 0....

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3702

Repositorio Digital Universidad Católica de Temuco
Enlace permanente
Figueroa Villalobos, Elías ,  Merino, O. ,  Risopatron, J. ,  Isachenko, V. ,  Sanchez, R. ,  Effer Roldan, Brian ,  Isachenko, E. ,  Farias, J. G. ,  Valdebenito Isler, Iván ,  [Effect of seminal plasma on Atlantic salmon (Salmo salar) sperm vitrification] ,  Effect of seminal plasma on Atlantic salmon (Salmo salar) sperm vitrification

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso
Marcar todos
Limpiar todo