Results 111 to 120 of about 234 (143)

Critical Uncertainties and Gaps in the Environmental- and Social-Impact Assessment of the Proposed Interoceanic Canal through Nicaragua. [PDF]

Bioscience, 2016
Huete-Pérez JA, Ortega-Hegg M, Urquhart GR, Covich AP, Vammen K, Rittmann BE, Miranda JC, Espinoza-Corriols S, Acevedo A, Acosta ML, Gómez JP, Brett MT, Hanemann M, Härer A, Incer-Barquero J, Joyce FJ, Lauer JW, Maes JM, Tomson MB, Meyer A, Montenegro-Guillén S, Whitlow WL, Schnoor JL, Alvarez PJJ.   +23 more
europepmc   +1 more source

Checklist of the continental fishes of the state of Chiapas, Mexico, and their distribution. [PDF]

Zookeys, 2016
Velázquez-Veláquez E, López-Vila JM, Gómez-González AE, Romero-Berny EI, Lievano-Trujillo JL, Matamoros WA.   +5 more
europepmc   +1 more source

Functional trade-offs and environmental variation shaped ancient trajectories in the evolution of dim-light vision. [PDF]

Elife, 2018
Castiglione GM, Chang BS.
europepmc   +1 more source

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
Angela Avila-Fernandez, Emyr Saul Pena-Marin, Luis D Jiménez-Martínez   +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.
Rocio Guerrero-Zárate, CARLOS Alfonso Álvarez-González, MIGUEL A Olvera-Novoa   +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.
CARLOS Aguilera, Roberto Mendoza
exaly   +3 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, František Moravec, Rogelio Aguilar-Aguilar   +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 Frías-Quintana, CARLOS Alfonso Álvarez-González, Dariel Tovar-Ramírez   +2 more
exaly   +3 more sources