Results 71 to 80 of about 1,738 (172)

The small non-coding RNA processing machinery of two living fossil species, lungfish and coelacanth, gives new insights into the evolution of the Argonaute protein family [PDF]

open access: yes, 2017
Argonaute (AGO) family proteins play many roles in epigenetic programming, genome rearrangement, mRNA breakdown, inhibition of translation, and transposon silencing.
Barucca, Marco   +6 more
core   +1 more source

Redescubriendo a LOLA: Lepidosiren paradoxa (Dipnoi, Lepidosirenidae)

open access: yes, 2023
Fil: Abdala, Cristian Simón. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina. Universidad Nacional de Tucumán.
Abdala, Cristian Simón   +25 more
openaire   +1 more source

Immunoglobulin T from sea bass (Dicentrarchus labrax L.): Molecular characterization, tissue localization and expression after nodavirus infection [PDF]

open access: yes, 2017
Background Immunoglobulins (Igs) are fundamental components of the adaptive immune system of vertebrates, with the IgT/IgZ isotype specific of Teleosts.
Bernini, Chiara   +10 more
core   +1 more source

An Early Cretaceous vertebrate assemblage from the Cabao Formation of NW Libya [PDF]

open access: yes, 2017
Fossil vertebrates from the Cabao Formation discovered in the area of Nalut in northwestern Libya include the hybodont shark Priohybodus, the crocodilian Sarcosuchus, an abelisaurid, a baryonichine spinosaurid and a large sauropod with spatulate teeth ...
BLANPIED, CHRISTIAN   +10 more
core  

High rates of evolution preceded the origin of birds [PDF]

open access: yes, 2014
The origin of birds (Aves) is one of the great evolutionary transitions. Fossils show that many unique morphological features of modern birds, such as feathers, reduction in body size, and the semilunate carpal, long preceded the origin of clade Aves ...
Allen   +64 more
core   +1 more source

Analysis of the African coelacanth genome sheds light on tetrapod evolution [PDF]

open access: yes, 2014
It was a zoological sensation when a living specimen of the coelacanth was first discovered in 1938, as this lineage of lobe-finned fish was thought to have gone extinct 70 million years ago.
Aken, Bronwen   +90 more
core   +1 more source

On the type material of Lepidosiren paradoxa Fitzinger, 1837 (Sarcopterygii, Dipnoi)

open access: yesComptes Rendus. Biologies, 2010
Lepidosiren paradoxa , the first living dipnoan to be discovered, was first described from two specimens collected by Johann Natterer during his 18-year expedition in Brazil. Those specimens were first studied by Fitzinger and Bischoff, but few data are available to identify the syntypes of L.
Lúcio Paulo, Machado   +2 more
openaire   +2 more sources

Common evolutionary origin of acoustic communication in choanate vertebrates. [PDF]

open access: yesNat Commun, 2022
Jorgewich-Cohen G   +10 more
europepmc   +1 more source

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