Results 91 to 100 of about 3,578 (213)

Phyloinformatics in the age of Wikipedia [PDF]

, 2010
This talk describes a mapping between the NCBI taxonomy database and Wikipedia. These two databases were chosen because the NCBI taxonomy contains all the taxa for which sequences are publicly available, and for many taxa Wikipedia is the first site ...
Roderic Page
core   +1 more source

The invertebrate Caenorhabditis elegans biosynthesizes ascorbate. [PDF]

, 2015
l-Ascorbate, commonly known as vitamin C, serves as an antioxidant and cofactor essential for many biological processes. Distinct ascorbate biosynthetic pathways have been established for animals and plants, but little is known about the presence or ...
Adler, Lital N, Budenholzer, Lauren M, Clarke, Steven G, Patananan, Alexander N, Pedraza, Maria E, Torres, Eric R   +5 more
core   +2 more sources

Branchial Na+:K+:2Cl- cotransporter 1 and Na+/K+-ATPase α-subunit in a brackish water-type ionocyte of the euryhaline freshwater white-rimmed stingray, Himantura signifer

Frontiers in Physiology, 2013
Himantura signifer is a freshwater stingray which inhabits rivers in Southeast Asia. It can survive in brackish water but not seawater. In brackish water, it becomes partially ureosmotic, but how it maintains its plasma hypoionic to the external medium ...
Yuen K Ip, Kum C Hiong, Samuel Z. H. Wong, Biyun eChing, Xiu L. Chen, Melody M. L. Soh, You R. Chng, Jasmine L. Y. Ong, Jonathan M Wilson, Shit F Chew   +9 more
doaj   +1 more source

Transboundary threats in the Mekong basin: protecting a crucial fishery [PDF]

, 2017
This repository item contains a single issue of Issues in Brief, a series of policy briefs that began publishing in 2008 by the Boston University Frederick S.
Altman, Irit
core   +1 more source

A test of the utility of DNA barcoding in the radiation of the freshwater stingray genus Potamotrygon (Potamotrygonidae, Myliobatiformes)

Genetics and Molecular Biology, 2008
DNA barcoding is a recently proposed global standard in taxonomy based on DNA sequences. The two main goals of DNA barcoding methodology are assignment of specimens to a species and discovery of new species.
Daniel Toffoli, Tomas Hrbek, Maria Lúcia Góes de Araújo, Maurício Pinto de Almeida, Patricia Charvet-Almeida, Izeni Pires Farias   +5 more
doaj   +1 more source

Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups

Neotropical Ichthyology
This comparative study of gill morphometrics in near-term embryos of freshwater stingray potamotrygonids examines gill dimensions in relation to neonatal lifestyle and habitat.
Wallice Paxiúba Duncan, Maria Isabel da Silva, Marisa Narciso Fernandes   +2 more
doaj   +1 more source

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand [PDF]

ZooKeys
Based on several field investigations, many molluscan shells and chondrichthyan teeth, together with other invertebrate and actinopterygian remains were found from the marine Bangkok Clay deposits in Ongkharak, Nakhon Nayok, at a depth of ~ 5–7 m below ...
Parin Jirapatrasilp, Gilles Cuny, László Kocsis, Chirasak Sutcharit, Nom Ngamnisai, Thasinee Charoentitirat, Satapat Kumpitak, Kantapon Suraprasit   +7 more
doaj   +3 more sources

A diel method of estimating gross primary production: 1. Validation with a realistic numerical model of Chesapeake Bay [PDF]

, 2018
Author Posting. © American Geophysical Union, 2018. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 123(11),
Scully, Malcolm E.
core   +1 more source

Potamotrygon boesemani (Chondrichthyes: Myliobatiformes: Potamotrygonidae), a new species of Neotropical freshwater stingray from Surinam

Neotropical Ichthyology
Potamotrygon boesemani, new species, is described from the Corantijn river drainage in Surinam. The species has a diagnostic dorsal color pattern formed by deep orange to red ocellated spots of irregular form, encircled by relatively broad black rings ...
Ricardo S. Rosa, Marcelo R. de Carvalho, Cristiane de Almeida Wanderley   +2 more
doaj   +1 more source

Summer 1992 [PDF]

, 1992
https://nsuworks.nova.edu/occ_currents/1068/thumbnail ...
NSU Oceanographic Center
core   +1 more source