• Vertebrate amphibian tadpoles of the species Xenopus laevis and Xenopus tropicalis have remarkable abilities to regenerate their tails following amputation, through the coordinated activity of numerous growth factor signalling pathways, including the Wnt, Fgf, Bmp, Notch and TGF-β pathways. (nih.gov)
  • Xenopus laevis wingless-type MMTV integration site family, member 4. (xenbase.org)
  • The manual covers both Xenopus laevis and the smaller Xenopus tropicalis species. (cshlpress.com)
  • A considerable collection of the invasive African clawed frog (Xenopus laevis Daudin, 1803) constitutes the largest series of the collection, comprising almost one third of the collection. (gbif.org)
  • The exotic Xenopus laevis was the only species that tested completely negative for Bd. (usgs.gov)
  • Xenobots, named after the frog species Xenopus laevis that the cells come from, were first described last year. (newscientist.com)
  • 1 relevant study was considered in this section for chronic toxicity on the frog Xenopus laevis . (europa.eu)
  • The frogs Xenopus laevis and Xenopus tropicalis undergo temporally restricted regenerative healing of appendage amputations and spinal cord truncations, injuries that are both devastating and relatively common in human patients. (frontiersin.org)
  • Xenopus laevis was the most studied species. (bvsalud.org)
  • Xenopus mellotropicalis, the Cameroon clawed frog, is a species of frog from the genus Xenopus. (wikipedia.org)
  • Members of the frog Xenopus genus are versatile model organisms used in developmental biology, cell biology, neuroscience, and toxicology research, among others. (cshlpress.com)
  • Using external morphology of adults and tadpoles, osteology from high-resolution microcomputed tomography, vocalization analysis, and DNA sequence data, the identity of a reproducing Belgian population of invasive Xenopus at the current northernmost edge of the distribution of the genus in Europe was assessed. (researchgate.net)
  • In Thailand, the genus comprises at least six species, one of which is Anentome wykoffi, a species that may act as an intermediate host of parasitic trematodes. (researchgate.net)
  • A new species of the giant pill millipede genus Sphaerobelum is described: Sphaerobelum turcosa sp. (researchgate.net)
  • Unless otherwise stated, for the purposes of identifying species regulated by the board, when both the scientific and common names are listed, the scientific reference to genus and species will take precedence over common names. (monsterfishkeepers.com)
  • Here, we show that Xenopus tadpole tail amputation induces a sustained production of reactive oxygen species (ROS) during tail regeneration. (nih.gov)
  • Here we review recent insights into the biophysical, biochemical, and epigenetic processes that underlie regenerative healing in amphibians, focusing particularly on tail and limb regeneration in Xenopus . (frontiersin.org)
  • The present study revised the historical use of amphibian species as a model system for nanoecotoxicological studies and summarized the data available in the scientific literature about the genotoxic, mutagenic, histopathological, embryotoxic and reproductive effects of NMs in different groups of amphibians. (bvsalud.org)
  • The known effects of NMs in amphibians were mainly reported with reactive oxygen species (ROS) production, oxidative stress, and genotoxic effects. (bvsalud.org)
  • Extensive DNA sequence comparisons between various Xenopus histone gene clusters were undertaken. (bl.uk)
  • Species delimitation is based on morphological characters and COI sequence data. (researchgate.net)
  • Studies using Xenopus cell-free extracts, oocytes, eggs, embryos, larval stages, and adult frogs have yielded important insights into a multitude of key biological processes-from mechanisms underlying the cell cycle to embryonic development to human disease. (cshlpress.com)
  • Microinjection of the major cluster clones in to Xenopus oocytes, confirmed that these genes were functional. (bl.uk)
  • The frogs occurring on the islands of Fernando Póo, Principe, Sao Tomé and Annobón represent the species Xenopus andrei (Loumont 1983). (amphibiaweb.org)
  • It is a critical reference for laboratories that currently work with these organisms and will serve as an essential start-up guide for those seeking to start using Xenopus frogs in their research for the first time. (cshlpress.com)
  • There are protocols for analyses of Xenopus immunology, neurobiology, metamorphosis, and adult physiology. (cshlpress.com)
  • Besides developmental biology, Swiss Xenopus research engaged in immunology, genetics and cell biology, the latter focusing mainly on the oocyte. (ehu.eus)
  • Using quantitative PCR, Bd was detected in 94 individuals (47.2% of samples) at 25 of the 33 survey localities for 5 native and 1 exotic frog species. (usgs.gov)
  • These are the first Bd-positive results for the state of Baja California and its presence should be regarded as an additional conservation threat to the region's native frog species. (usgs.gov)
  • 2023]. Nonindigenous Aquatic Species Database. (usgs.gov)
  • Recreational boats are important vectors of spread of aquatic invasive species (AIS) among waterbodies of the United States. (invasivespeciesinfo.gov)
  • Toxicity to other aquatic organims: Marine waters: One ascidian species NOEC available (species mean NOEC value for Ciona intestinalis of 430.5 µg Cd/L). (europa.eu)
  • Swiss Xenopus research is reviewed over 50 years, from the introduction of Xenopus by Rudolf Weber to the University of Bern, the return from Great Britain of two Swiss expatriates, Michail Fischberg and Max Birnstiel through the numerous pupils of the founder labs to the independently arisen Xenopus research units in the country. (ehu.eus)
  • A discussion of how the differences between such closely related species could have arisen is also included. (bl.uk)
  • In the few published case reports of M gordonae disease, pathogenicity was not always established because of the presence of single isolates, the lack of confirmation by a reference laboratory, or the rapid improvement of pulmonary infiltrates, which are not characteristic features of infections from other mycobacterial species. (medscape.com)
  • De Lorenzi D, Solano-Gallego L. Tracheal granuloma because of infection with a novel mycobacterial species in an old FIV-positive cat. (medscape.com)
  • C·I·B Member, Prof Brian van Wilgen, speaks to Dr Gillian Arendse from Stellenbosch University about the impact of invasive species in South Africa. (sun.ac.za)
  • The Conversation Africa is running a series on invasive species. (sun.ac.za)
  • Read the articles to find out how invasive species are affecting Africa and what measures are being used to reduce their impact. (sun.ac.za)
  • We visited 33 localities and swabbed 199 wild-caught anurans from 7 species (5 native, 2 exotic) across the Mediterranean region of the state of Baja California. (usgs.gov)
  • In this study, we developed microsatellite markers for nine endangered amphibian species endemic to Ryukyu Islands in Japan. (nii.ac.jp)
  • The nanoecotoxicological studies were conducted with 11 amphibian species, being eight species of the order Anura and three species of the order Caudata. (bvsalud.org)
  • This temporally restricted regenerative competence therefore makes Xenopus an appealing model for defining the features that enable or inhibit regenerative healing. (frontiersin.org)
  • From DNA-sampling robots and invasive species maps to genetic libraries and mosquito birth control, USGS scientists are hard at work building up ecological infrastructure for the nation. (invasivespeciesinfo.gov)
  • From understanding the impacts of climate change, invasive species, and altered fire regimes, to providing science to support ecosystem management, to developing new tools for restoration and reforestation, this work will help sustain the health, diversity, and productivity of the Nation's forests and grasslands. (invasivespeciesinfo.gov)
  • Two ecologists from C·I·B, Prof. Brian van Wilgen and Prof. John Wilson, were the lead authors of South Africa's first national report on the status of invasive species. (sun.ac.za)
  • Invasion Dynamics focuses on the ecology of invasive species and their impacts in recipient social-ecological systems. (sun.ac.za)
  • Mycobacterium gordonae, a commonly found species of mycobacteria, is named after its discoverer, the American bacteriologist Ruth E. Gordon. (medscape.com)
  • Provides access to all site resources, with the option to search by species common and scientific names. (invasivespeciesinfo.gov)
  • The amphibian analgesia literature has primarily focused on nociceptive pathways in a single species, the northern leopard frog (Rana. (awionline.org)
  • They are important as PNECs for dissolved metals are primarily based on single species data determined in the laboratory. (europa.eu)
  • Chondrichthyan species display two nanos1 genes (named nanos1A / 1B ), which were both retrieved in some Osteichthyes at basal positions in Sarcopterygii and Actinopterygii lineages. (nature.com)
  • The Bouchia Clawed Frog (Xenopus pygmaeus) is a species of frog in the Pipidae family. (thewebsiteofeverything.com)
  • This collection covers all the species of the class Amphibia, both native and introduced, that occur in the Portuguese territory - comprising six species of Urodela, from the Salamandridae family, and 12 species of Anura, from the following families: Discoglossidae, Pelobatidae, Pelodytidae, Bufonidae, Hylidae and Ranidae. (gbif.org)
  • This species is a scavenger and will consume almost anything living, dying or dead and any type of organic matter. (photovault.com)
  • Indeed, reliable and relevant chronic cadmium toxicity data were found for one species of marine ascidians ( Ciona intestinalis , Ascidiacae, Urochordata). (europa.eu)
  • apos;Comparison of Xenopus species that evolved through polyploidization revealed that metabolic differences emerged during development when cell size scaled with genome size. (qoto.org)
  • One species lives in the Mediterranean region. (jbl.de)
  • Genetic diversity of represents the evolutionary history of species and the essential evolutionary potential to respond to changing environments especially for endangered species. (nii.ac.jp)
  • By using these markers, fine scale population structures and genetic diversities of these species were revealed. (nii.ac.jp)
  • This list changes and is regularly updated to reflect emerging species of concern to the EU. (belgium.be)
  • Although the insect group is huge, only a few species are regularly found in the terrarium. (jbl.de)
  • Even amongst the myriapods (millipedes, centipedes, and others) there are few species that are regularly kept. (jbl.de)
  • So far, this species has been found mainly in rainforest regions, a fact which explains its presence in the gallery forests of the Comoé National Park. (amphibiaweb.org)
  • This new laboratory manual provides a comprehensive collection of experimental procedures for research using Xenopus . (cshlpress.com)
  • This regulation sets out the rules designed to prevent, minimise and mitigate the adverse effects on biodiversity of the introduction and propagation of invasive alien species considered to be of concern in the Member States of the Union. (belgium.be)
  • This review traces the history of Xenopus research in Switzerland, its worldwide beginnings and British chapters having been summarised previously (Gurdon and Hopwood, 2000). (ehu.eus)