Results 61 to 70 of about 1,760 (187)

Comparative Embryonic Spatio-Temporal Expression Profile Map of the Xenopus P2X Receptor Family

open access: yesFrontiers in Cellular Neuroscience, 2019
P2X receptors are ATP-gated cations channels formed by the homo or hetero-trimeric association from the seven cloned subunits (P2X1-7). P2X receptors are widely distributed in different organs and cell types throughout the body including the nervous ...
Camille Blanchard   +5 more
doaj   +1 more source

Perichordal Vertebral Column Formation in Rana kobai

open access: yesJournal of Morphology, Volume 286, Issue 4, April 2025.
In contrast to the previous study, centrum formation begins with a pair of ossification centers at the base of neural arches in Rana. At the early stage of intervertebral disc formation, a wedge‐like cartilage domain is observed posteroventral to the centrum. Evolutionary implications are discussed based on these observations.
Yu Takahashi   +5 more
wiley   +1 more source

Limited genomic consequences of hybridization between two African clawed frogs, Xenopus gilli and X. laevis (Anura: Pipidae)

open access: yesScientific Reports, 2017
The Cape platanna, Xenopus gilli, an endangered frog, hybridizes with the African clawed frog, X. laevis, in South Africa. Estimates of the extent of gene flow between these species range from pervasive to rare.
Benjamin L. S. Furman   +4 more
doaj   +1 more source

Diversity of parasites from Xenopus laevis (Amphibia: Pipidae) and their seasonal rate of infection in selected habitats in the Limpopo Province, South Africa

open access: yesHelminthologia, 2020
This study determined the diversity and seasonality of parasites species of the African clawed frog, Xenopus laevis (Daudin, 1802), from three localities, namely Modjadjikloof, Mokopane and University of Limpopo, Limpopo Province, South Africa.
Mbokane E. M.   +2 more
doaj   +1 more source

Una nuova popolazione isolata di xenopo liscio in Sicilia sud-occidentale [PDF]

open access: yes, 2017
African clawed frog is a sub-saharan native anuran that has been introduced in various states of the old and the new world. The only Italian population of this species is located in western Sicily, and it is known as the European clawed frog ...
Alex VENUTELLI   +5 more
core  

The emergence of Pax7-expressing muscle stem cells during vertebrate head muscle development [PDF]

open access: yes, 2015
Pax7 expressing muscle stem cells accompany all skeletal muscles in the body and in healthy individuals, efficiently repair muscle after injury. Currently, the in vitro manipulation and culture of these cells is still in its infancy, yet muscle stem ...
Anna eNoble   +9 more
core   +2 more sources

Positive Selection of TLR2 and MyD88 Genes Provides Insights Into the Molecular Basis of Immunological Adaptation in Amphibians

open access: yesEcology and Evolution, Volume 14, Issue 12, December 2024.
We found that recurrent positive selection has acted on TLR2 and MyD88 in amphibians and positively selected sites were mainly located at or close to function domains. Our results suggest that amphibians have adapted to different pathogenic microorganisms during their transition from the aquatic to terrestrial environment and diversification into ...
Jie Zhang   +8 more
wiley   +1 more source

Ranas del género Pipa (Anura: Pipidae) de la Orinoquia colombiana: nuevos registros y comentarios sobre su taxonomía, distribución e historia natural

open access: yesBiota Colombiana, 2017
Se reportan por primera vez dos especies simpátricas de ranas acuáticas (Pipa pipa y Pipa snethlageae) para los ríos Bita y afluentes del río Orinoco en ambientes de morichal de la planicie inundable, departamento del Vichada, Colombia.
Andrés R. Acosta-Galvis   +2 more
doaj   +1 more source

Profound genetic divergence and asymmetric parental genome contributions as hallmarks of hybrid speciation in polyploid toads. [PDF]

open access: yes, 2018
The evolutionary causes and consequences of allopolyploidization, an exceptional pathway to instant hybrid speciation, are poorly investigated in animals.
Betto-Colliard, C.   +4 more
core   +1 more source

Sexy fingers: Pheromones in the glands of male dendrobatid frogs

open access: yesMolecular Ecology, Volume 33, Issue 16, August 2024.
Abstract Many animals exchange chemicals during courtship and mating. In some amphibians, sexual chemical communication is mediated by pheromones produced in male breeding glands that are transferred to the female's nostrils during mating. This has been mostly studied in salamanders, despite frogs having similar glands and courtship behaviours ...
Diana Abondano Almeida   +4 more
wiley   +1 more source

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