Results 131 to 140 of about 650,439 (164)

A First Quantification of Plant Endemism in the Manica Highlands (Zimbabwe-Mozambique) and the Significance of Open Habitats. [PDF]

Ecol Evol
Timberlake J, Clark VR.
europepmc   +1 more source

A Pentaradial and Bilateral Combined Photoreception System in the Sea Cucumber is Mediated by a Blue Light-Sensitive R-Opsin. [PDF]

Adv Sci (Weinh)
Huang J, Ren C, Qin Z, Cui Y, Zhang B, Luo P, Wang X, Xie Y, Zhang X, Yan A, Zhang Y, Fan D, Liu Y, Pan W, Jiang X, Yuan L, Qin H, Irwin DM, Hu C, Liu Y, Chen T.   +20 more
europepmc   +1 more source

PD-1 is conserved from sharks to humans: new insights into PD-1, PD-L1, PD-L2, and SHP-2 evolution. [PDF]

Front Immunol
Kondo R, Kondo K, Nabeshima K, Nishikimi A, Ishida Y, Shigeoka T, Dijkstra JM.   +6 more
europepmc   +1 more source

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, Emyr Saul Peña-Marín, Mario A Galaviz   +2 more
exaly   +3 more sources

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Conservation genetics of the tropical gar (Atractosteus tropicus, Lepisosteidae)

Conservation Genetics, 2023
Michael Tobler, Lenin Arias Rodriguez
exaly   +2 more sources

Morphological Description of Alligator Gar and Tropical Gar Larvae, with an Emphasis on Growth Indicators

Transactions of the American Fisheries Society, 2002
Abstract Populations of the alligator gar Lepisosteus spatula (also known as Atractosteus spatula) and the tropical gar L. tropicus are declining as a result of commercial and sport fisheries and habitat alteration. Aquaculture represents a short-term approach to population restoration but requires an understanding of the nutritional requirements of ...
Roberto Mendoza, Carlos Aguilera
exaly   +2 more sources

Corticosteroid and progesterone transactivation of mineralocorticoid receptors from Amur sturgeon and tropical gar [PDF]

Biochemical Journal, 2016
The response to a panel of steroids by the mineralocorticoid receptor (MR) from Amur sturgeon and tropical gar, two basal ray-finned fish, expressed in HEK293 cells was investigated. Half-maximal responses (EC50s) for transcriptional activation of sturgeon MR by 11-deoxycorticosterone, corticosterone, 11-deoxycortisol, cortisol and aldosterone, and ...
Yoshinao Katsu, Michael E. Baker, Kaori Oka   +2 more
exaly   +3 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.
Carlos Alfonso Alvarez-González, Carlos Alfonso Frias Quintana, Dariel Tovar-Ramírez   +2 more
exaly   +3 more sources

Hypoxia- and hyperoxia-related gene expression dynamics during developmental critical windows of the tropical gar Atractosteus tropicus.

Comparative Biochemistry and Physiology Part A, Molecular & Integrative Physiology, 2022
Aquatic hypoxia is both a naturally-occurring and anthropogenically-generated event. Fish species have evolved different adaptations to cope with hypoxic environments, including gill modifications and air breathing. However, little is known about the molecular mechanisms involved in the respiration of embryonic and larval fishes during critical windows
Warren Burggren, Carlos Alfonso Alvarez-González, Talhia Martínez-Burguete   +2 more
exaly   +3 more sources