Results 101 to 110 of about 157 (131)

Multiple structurally distinct ERα mRNA variants in zebrafish are differentially expressed by tissue type, stage of development and estrogen exposure. [PDF]

Gen Comp Endocrinol, 2013
Cotter KA, Yershov A, Novillo A, Callard GV.   +3 more
europepmc   +1 more source

Molecular cloning, characterization, and evolutionary analysis of estrogen receptors from phylogenetically ancient fish.

Endocrinology, 2008
Katsu Y, Kohno S, Hyodo S, Ijiri S, Adachi S, Hara A, Guillette LJ, Iguchi T.   +7 more
europepmc   +1 more source

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Trypsin gene expression in adults and larvae of tropical gar Atractosteus tropicus

Fish Physiology and Biochemistry, 2019
Trypsin gene (try) expression levels were quantified in different organs of wild and captive tropical gar (Atractosteus tropicus) adults, and changes in expression during initial ontogeny of the species were determined. RNA was extracted from the pancreas, and cDNA was synthesized and later amplified by endpoint PCR using oligonucleotides designed from
Ángela Ávila-Fernández, Carlos Alfonso Alvarez-González, Rocío Guerrero-Zárate   +2 more
exaly   +3 more sources

Partial characterization of digestive proteases in tropical gar Atractosteus tropicus juveniles

Fish Physiology and Biochemistry, 2013
Tropical gar (Atractosteus tropicus) is an economically and socially important freshwater species from Southeastern Mexico, with a high aquaculture potential. With this in mind, the purpose of this study was to characterize the digestive proteases of tropical gar juveniles through biochemical and electrophoretic analyses.
Carlos Alfonso Alvarez-González, Rocío Guerrero-Zárate, Carlos Alfonso Frias Quintana   +2 more
exaly   +3 more sources

Digestive enzymatic activity on Tropical gar (Atractosteus tropicus) larvae fed different diets

Fish Physiology and Biochemistry, 2011
Digestive enzymatic activity and growth performance on tropical gar (Atractosteus tropicus) larvae fed Artemia nauplii (LF), frozen adult Artemia (AB), an artificial diet (AF) with 46% protein and 16% lipids and a starvation group (SG) from first feeding (5 days after hatching-5 DAH) to 34 DAH were studied.
Roberto Mendoza, Carlos Aguilera
exaly   +3 more sources

The complete mitochondrial DNA of the tropical gar ( Atractosteus tropicus )

Mitochondrial DNA Part A, 2014
The mitogenome of the tropical gar, Atractosteus tropicus, (GeneBank accession number KJ531198) has a total length of 16,280 bp, and the arrangement consist of 13 protein-coding genes, 2 ribosomal RNA (rRNA) genes and 22 transfer RNA similar to other Lepisosteidae family mitogenomes.
Miguel A, Del Río-Portilla, Carmen E, Vargas-Peralta, Fabiola, Lafarga-De La Cruz, Lenin, Arias-Rodriguez, Rigoberto, Delgado-Vega, Carolina, Galván-Tirado, Francisco J, García-de-León   +6 more
openaire   +2 more sources

Helminth parasites of the tropical gar, Atractosteus tropicus Gill, from Tabasco, Mexico.

Journal of Parasitology, 2004
A total of 8 helminth species were recorded in an examination of 43 tropical gar, Atractosteus tropicus Gill, collected at the Pantanos de Centla Biosphere Reserve, Tabasco, Mexico. The parasite species included 1 adult trematode, 3 metacercariae, 1 cestode, 1 adult nematode, and 2 nematode larvae. Six of these 8 species were rare, with low prevalence (
Guillermo Salgado-Maldonado, Rogelio Aguilar-Aguilar, Tomáš Scholz   +2 more
exaly   +3 more sources

Development of digestive tract and enzyme activities during the early ontogeny of the tropical gar Atractosteus tropicus

Fish Physiology and Biochemistry, 2015
Changes in digestive enzyme activity and histology were studied in Atractosteus tropicus embryos, larvae and juvenile periods. Alkaline protease, chymotrypsin, carboxypeptidase A, lipase and α-amylase were detected in all periods and gradually increased until reaching the maximum peak in juveniles; meanwhile, acid protease was first detected at 5 days ...
Carlos Alfonso Alvarez-González, Carlos Alfonso Frias Quintana, Enric Gisbert   +2 more
exaly   +3 more sources

Use of Potato Starch in Diets of Tropical Gar (Atractosteus tropicus, Gill 1863) Larvae [PDF]

Fishes, 2017
Tropical gar, Atractosteus tropicus, is a carnivorous fish species from Southern México with high value and acceptance in local markets. Therefore, the present study aims to spare proteins in diets for larviculture of this species. An experiment was performed using three different experimental diets with increasing carbohydrate levels based on potato ...
Carlos Alfonso Alvarez-González, Carlos Alfonso Frias Quintana, Mario A Galaviz   +2 more
exaly   +2 more sources

Using cornstarch in microparticulate diets for larvicultured tropical gar (Atractosteus tropicus)

Fish Physiology and Biochemistry, 2015
Aquaculture in Mexico has been developed by the cultivation of commercial species. In Tabasco, the cultivation of native species is mainly limited by the lack of nutrition studies to support its crop profitability. Among these species is the tropical gar (Atractosteus tropicus), which has great potential for cultivation.
C. A. Frías-Quintana, J. Domínguez-Lorenzo, C. A. Álvarez-González, D. Tovar-Ramírez, R. Martínez-García   +4 more
openaire   +2 more sources