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Genus of amphibians
described within it. The two best-known species of this genus are Xenopus laevis and Xenopus tropicalis, which are commonly studied as model organisms for
Xenopus
Cell-free system
Xenopus egg extract is a lysate that is prepared by crushing the eggs of the African clawed frog Xenopus laevis. It offers a powerful cell-free (or in
Xenopus_egg_extract
Species of amphibian
The African clawed frog (Xenopus laevis), also known as simply xenopus, African clawed toad, African claw-toed frog or the platanna) is a species of African
African_clawed_frog
Species of amphibian
Xenopus itombwensis is a species of frog in the family Pipidae endemic to the Itombwe Massif of the South Kivu Province of the Democratic Republic of
Xenopus_itombwensis
Species of amphibian
Xenopus lenduensis, the Lendu Plateau clawed frog, is a species of frog in the family Pipidae endemic to the Orientale Province of the Democratic Republic
Xenopus_lenduensis
Species of amphibian
frog (Xenopus tropicalis) is a species of frog in the family Pipidae, also known as tropical clawed frog. It is the only species in the genus Xenopus to
Western_clawed_frog
Species of amphibian
Tanzania. However, because of confusion with Xenopus laevis, the exact distribution is quite unclear. Xenopus victorianus occurs in all sorts of aquatic
Xenopus_victorianus
Extinct bird
Scopus xenopus is an extinct species of bird related to the hamerkop that lived during the Pliocene of South Africa. It was first described by Storrs
Scopus_xenopus
Species of frog
Xenopus calcaratus, the Biafran clawed frog, is a species of frog from the genus Xenopus. It inhabits wetlands, forests and savannas in Equatorial Guinea
Xenopus_calcaratus
Species of amphibian
2018. "Xenopus boumbaensis Loumont, 1983". African Amphibians. Archived from the original on 9 November 2018. Retrieved 9 November 2018. "Xenopus boumbaensis"
Xenopus_boumbaensis
Species of frog
Xenopus kobeli, the Kobel's clawed frog, is a species of clawed frog endemic to Cameroon where it inhabits wetlands. Elevations at which it occurs lies
Xenopus_kobeli
Species of frog
Xenopus mellotropicalis, the Cameroon clawed frog, is a species of frog from the genus Xenopus. It is listed as Least Concern on the IUCN Red List and
Xenopus_mellotropicalis
Method for early detection of pregnancy
research revolved around injecting Xenopus laevis with ox pituitary gland extracts, he accidentally discovered that Xenopus frogs would ovulate within a day
Pregnancy_tests_using_animals
Species of frog
Xenopus allofraseri, the false Fraser's frog, is a species of frog native to Central and Western Africa. It inhabits wetlands and forests in countries
Xenopus_allofraseri
English developmental biologist (1933–2025)
degree he studied nuclear transplantation in a frog species of the genus Xenopus, supervised by Dr Michail Fischberg at Oxford University. After pursuing
John_Gurdon
Species of frog
Xenopus parafraseri, the upland clawed frog, is an endemic species of frog in Gabon, Congo, and Cameroon in Central and West Africa. It's a Least Concern
Xenopus_parafraseri
Species of amphibian
Largen's clawed frog or the Sidamo clawed frog (Xenopus largeni) is a species of frogs in the family Pipidae. Endemic to Ethiopia its natural habitats
Largen's_clawed_frog
Species of frog
Xenopus poweri is a species of clawed frog found in shrublands, wetlands, forests, savannas and grasslands of Central and Southern Africa. Countries in
Xenopus_poweri
Species of frog
Xenopus eysoole, the Bamiléké clawed frog, is a species of frog from the genus Xenopus. It inhabits wetlands in its native area Cameroon, and it occurs
Xenopus_eysoole
Species of amphibian
The Uganda clawed frog (Xenopus ruwenzoriensis) is a species of frog in the family Pipidae found in Uganda and possibly the Democratic Republic of the
Uganda_clawed_frog
Sphere of cells formed during early embryonic development in animals
and to regulate gene expression. In many animals, such as Drosophila and Xenopus, the mid blastula transition (MBT) is a crucial step in development during
Blastulation
Species of amphibian
Wikimedia Commons has media related to Xenopus amieti. The volcano clawed frog (Xenopus amieti) is a species of frog in the family Pipidae endemic to Cameroon
Volcano_clawed_frog
American politician (born 1954)
complete feminization and chemical castration in male African clawed frogs (Xenopus laevis)". Proceedings of the National Academy of Sciences. 107 (10): 4612–4617
Robert_F._Kennedy_Jr.
Model organism database on Xenopus frogs
and biological data on Xenopus frogs. Xenbase has been available since 1999, and covers both X. laevis and X. tropicalis Xenopus varieties. As of 2013
Xenbase
Species of amphibian
(Xenopus longipes Loumont and Kobel 1991)" (PDF). Amphibian & Reptile Conservation. 9 (2): 100–110. Wikimedia Commons has media related to Xenopus longipes
Lake_Oku_clawed_frog
Artificial organism
Xenobots, named after the clawed frog (Xenopus laevis), are synthetic lifeforms that are designed by computers to perform some desired function and built
Xenobot
Synthetic opioid pain medication
effects of tramadol on 5-hydroxytryptamine type 2C receptors expressed in Xenopus oocytes". Anesthesia and Analgesia. 98 (5): 1401–6, table of contents.
Tramadol
Species of amphibian
skin secretions of the tetraploid frogs Xenopus petersii and Xenopus pygmaeus, and the octoploid frog Xenopus lenduensis (Pipidae)". Peptides. 33 (1):
Bouchia_clawed_frog
Protein-coding gene in the species Homo sapiens
gene. Anterior gradient homolog 2 was originally discovered in Xenopus laevis. In Xenopus AGR2 plays a role in cement gland differentiation, but in human
AGR2
Anti-LGBTQ conspiracy theory
complete feminization and chemical castration in male African clawed frogs (Xenopus laevis)". Proceedings of the National Academy of Sciences. 107 (10): 4612–4617
LGBTQ chemicals conspiracy theory
LGBTQ_chemicals_conspiracy_theory
Control mechanism in the eukaryotic cell cycle
cyclin B just above the activation threshold. Sha et al. did experiments in Xenopus laevis egg extracts in 2003 to demonstrate this hysteretic nature. Using
Cell_cycle_checkpoint
Species of amphibian
hybridization with Xenopus laevis. IUCN SSC Amphibian Specialist Group.; South African Frog Re-assessment Group; et al. (SA-FRoG) (2017). "Xenopus gilli". IUCN
Cape_platanna
German zoologist and ornithologist
zoologist and ornithologist who specialised in allometry. He described Xenopus laevis, the African clawed frog, for the first time in his doctoral thesis
Gustav_Kramer
Scientific naming of genes
1186/1471-2164-12-554. PMC 3248570. PMID 22077994. "Xenbase - A Xenopus laevis and Xenopus tropicalis resource". "ZFIN Zebrafish Nomenclature". Iverson C
Gene_nomenclature
Species of frog
Xenopus fischbergi, the Fischberg's clawed frog, is a species of frog native to Central and Western Africa. It occurs in habitats such as savannas and
Xenopus_fischbergi
British zoologist and statistician (1895-1975)
zoologist and medical statistician. He developed the African clawed frog (Xenopus laevis) as a model organism for biological research in his early career
Lancelot_Hogben
Feature of biological cell structure
kinetochore microtubules (Maiato 2003). CLASP homologues in Drosophila, Xenopus, and yeast are required for proper spindle assembly; in mammals, CLASP1
Spindle_apparatus
Subgenus of amphibians
the family Pipidae. They are closely related the clawed frog subgenus, Xenopus. Cameroon clawed frog (S. epitropicalis) Tropical clawed frog (S. tropicalis)
Silurana
Small organs in thorny-headed worms
solid substrate. These can be found in frogs such as those in the genus Xenopus, fish such as the Mexican tetra, and crustaceans. Bush, Albert O.; Fernández
Cement_glands
Immature ovum or egg cell
1016/S1937-6448(08)00807-1. PMID 18703408. Zhang J, King ML (December 1996). "Xenopus VegT RNA is localized to the vegetal cortex during oogenesis and encodes
Oocyte
One-sided contraction of a cell
organisms that have been studied include the frog Xenopus, and the fly Drosophila. During Xenopus gastrulation, bottle cells are located in the dorsal
Apical_constriction
Organisms used to study biology across species
structures relative to the mouse, while eggs and embryos from Xenopus tropicalis and Xenopus laevis (African clawed frog) are used in developmental biology
Model_organism
Species of frog
Peters' platanna (Xenopus petersii) is a species of frog in the family Pipidae found in Angola, Botswana, the Republic of the Congo, the Democratic Republic
Peters'_platanna
Species of amphibian
The Eritrea clawed frog or Peracca's clawed frog (Xenopus clivii) is a species of frog in the family Pipidae found in Eritrea, Ethiopia, Kenya, and Sudan
Eritrea_clawed_frog
American researcher
Sciences in 2004. Her dissertation was titled, The induction and function of xenopus six 1 in cranial placode development. In 2010, Brugmann then finished her
Samantha_Brugmann
fibrillation, Dictyostelium cAMP waves, retinal spreading depression, Xenopus oocyte calcium waves, and glial calcium waves in cortical tissue culture
Spiral_wave
Species of amphibian
The Cameroon clawed frog (Xenopus epitropicalis) is a species of frog in the family Pipidae found in Angola, Cameroon, the Central African Republic, the
Cameroon_clawed_frog
Family of amphibians
frog (1 species) Xenopus Wagler 1827 - clawed frogs (29 species) Subgenus (Silurana) Wagler 1827 - common clawed frogs Subgenus (Xenopus) Gray 1864 - tropical
Pipidae
Species of amphibian
Andre's clawed frog (Xenopus andrei) is a species of frog in the family Pipidae. It is known, with certainty, only from coastal Cameroon (where its type
Andre's_clawed_frog
Species of amphibian
De Witte's clawed frog (Xenopus wittei) is a species of frog in the family Pipidae found in the Democratic Republic of the Congo, Rwanda, Uganda, and
De_Witte's_clawed_frog
Species of frog
Müller's platanna (Xenopus muelleri), also known as Müller's clawed frog, is a species of frog in the family Pipidae found in Angola, Benin, Botswana
Müller's_platanna
other eukaryotic organisms. A regulated formation of eccDNA in preblastua Xenopus embryos has been developed. The population of circular rDNA is decreased
Extrachromosomal_rDNA_circle
British molecular biologist
doctoral thesis was "The Microinjection of RNA into Eggs and Oocytes of Xenopus Laevis". A hard copy of the thesis can be viewed at the Bodleian Library
Charles_Daniel_Lane
Type of DNA sequence
effects range from frogs (Xenopus laevis) to humans, with innumerous effects in phenotype and also in development. In Xenopus laevis, REST/NRSF malfunction
Silencer_(genetics)
Species of amphibian
The Kivu clawed frog (Xenopus vestitus) is a species of frog in the family Pipidae found in the Democratic Republic of the Congo, Rwanda, and Uganda.
Kivu_clawed_frog
Species of amphibian
Fraser's platanna (Xenopus fraseri) is a species of frogs in the family Pipidae found in Angola, Cameroon, Central African Republic, Republic of the Congo
Fraser's_platanna
Specialist Group (IUCN SSC) (2016-02-26). "IUCN Red List of Threatened Species: Xenopus allofraseri". IUCN Red List of Threatened Species. Archived from the original
List of freshwater aquarium amphibian species
List_of_freshwater_aquarium_amphibian_species
Species of lizard
2021. "Australian Faunal Directory: Gehyra xenopus". biodiversity.org.au. Retrieved 2022-04-01. Gehyra xenopus at the Reptarium.cz Reptile Database Storr
Crocodile-faced_dtella
Test based on scientific data to determine if a person is pregnant
that if urine from a pregnant person was injected into the South African Xenopus frog and the frog ovulated, this indicated that the subject was pregnant
Pregnancy_test
phosphatase family and is a potential regulator of neural tube development in Xenopus. The gene promotes neural development by inhibiting Bone Morphogenetic
Dullard_protein
Species of amphibian
The Marsabit clawed frog (Xenopus borealis) is a species of frog in the family Pipidae found in Kenya, Tanzania, and possibly Uganda. Its natural habitats
Marsabit_clawed_frog
in insulin physiology as well. The first intelectin was discovered in Xenopus laevis oocyte and is named XL35 or XCGL-1. X. laevis oocyte also contains
Intelectin
Genus of birds
the hamerkop (Scopus umbretta) and its extinct Pliocene relative, Scopus xenopus. This genus is the sole representative of the family Scopidae. Hamerkops
Scopus_(bird)
Dependence of the state of a system on its history
EM (1998). "The biochemical basis of an all-or-none cell fate switch in Xenopus oocytes". Science. 280 (5365): 895–8. Bibcode:1998Sci...280..895F. doi:10
Hysteresis
have many Plk family members including Plk1 (Xenopus Plx1), Plk2/Snk (Xenopus Plx2), Plk3/Prk/FnK (Xenopus Plx3), Plk4/Sak and Plk5. Of the vertebrate
Polo-like_kinase
GTP-binding proteins functioning on cell-cycle regulation
cell types of most species, most Ras is the GDP type. This is true for Xenopus oocytes and mouse fibroblasts. As mentioned above most X. oocyte Ras is
Ras_GTPase
inwards during gastrulation. Transplantation of the dorsal lip from a Xenopus embryo into the ventral region of a different host embryo demonstrated
Dorsal_lip
American neurobiologist
frogs (Xenopus). J. Comp. Physiol. A, 202, 17-34. Tobias, M.L., Korsh, J. and Kelley, D.B. 2014. Evolution of male and female release calls in Xenopus, Behaviour
Darcy_Kelley
Biological process
described the internal movements in more detail using pregastrular explants of Xenopus laevis. Gastrulation in amphibians is initiated by formation of bottle
Vegetal_rotation
Protein complex
in vitro assay using Xenopus egg extracts has been in use. In this system, metaphase extracts prepared from unfertilized Xenopus eggs are used to recapitulate
Condensin
Cellular process in embryonic development
antagonists such as Cerberus-like and lefty. Studies in Xenopus have found that xnr expression (the Xenopus nodal) is induced by VegT at the vegetal pole and
Nodal_signaling_pathway
American medical researcher
synthetic Xhox-1A homeobox mRNA disrupts somite formation in developing Xenopus embryos". Cell. 53 (5): 687–97. doi:10.1016/0092-8674(88)90087-6. ISSN 0092-8674
Douglas_A._Melton
American embryologist
creation of Siamese twins. De Robertis identified the genes expressed in Xenopus embryos in this area, beginning with the goosecoid homeobox gene. Together
Edward_De_Robertis
American neurobiologist and chronobiologist
in the retinal photoreceptors of Xenopus laevis, where Noc mRNA displayed rhythmic expression in an isolated Xenopus eye in light/dark and constant conditions
Carla_Green
Division of an embryo into two hemispheres (animal and vegetal poles)
entry will eventually form the dorsal portion of the body. In the frog Xenopus laevis, the animal pole is heavily pigmented while the vegetal pole remains
Polarity_in_embryogenesis
Protein-coding gene in the species Homo sapiens
circuit formation. Expression of mct8 has been characterised in Xenopus laevis and Xenopus tropicalis. Solute carrier family GRCh38: Ensembl release 89:
Monocarboxylate_transporter_8
American developmental and synthetic biologist
This research is focused on development of a multiplexed, microfluidic, Xenopus embryo culture system that will enable discovery of new drug targets and
Michael_Levin_(biologist)
Small structural protein motif found mostly in transcriptional proteins
finger-like appearance of a hypothesized structure from the African clawed frog (Xenopus laevis) transcription factor IIIA. However, it has been found to encompass
Zinc_finger
Gene
of anuran tadpoles. A knockdown of this NKX3-2 related homeobox gene in Xenopus laevis causes fatal head deformation, disappearing of jaw cartilages and
NKX3-3
American South-African-born Biologist & scholar
techniques used to define nervous system molecular markers and regulators in Xenopus frogs and the zebrafish Danio. Expression of these genes determine the
Hazel_Sive
American biologist and theologian (1942–2024)
microtubule arrays involved in cortical rotation during the first cell cycle of Xenopus embryos". Among his doctoral advisors at Berkeley was the herpetologist
Jonathan Wells (intelligent design advocate)
Jonathan_Wells_(intelligent_design_advocate)
Protein-coding gene in the species Homo sapiens
goosecoid functions as a transcription factor involved in morphogenesis. In Xenopus, GSC is thought to play a crucial role in the phenomenon of the Spemann-Mangold
Homeobox_protein_goosecoid
Chemical compound, neurotoxin
norisocorymine Corymine and related alkaloids can act as convulsants. Tests on Xenopus occyte species have shown that corymine can decrease glycine's action at
Corymine
British cell biologist and cancer researcher
Thesis Application of cell cultures to the study of differentiation in Xenopus laevis : effects of the environment on the proliferation and behaviour
Ron_Laskey
Herbicide
Health Perspectives. Renner, Rebecca (May 2008). "Atrazine Effects in Xenopus Aren't Reproducible". Environmental Science & Technology. 42 (10): 3491–3493
Atrazine
Order of amphibians
easily be kept in the laboratory. Xenopus laevis is increasingly being displaced by its smaller relative, Xenopus tropicalis, which reaches its reproductive
Frog
British biologist and Professor
Philpott's research uses a range of model systems including stem cells and Xenopus frog embryos, a versatile model used to investigate biological mechanisms
Anna_Philpott
Nuclear receptor protein found in humans
proliferator-activated receptor (PPAR) family. It was first identified in Xenopus in 1993. PPAR-delta is a nuclear hormone receptor that governs a variety
Peroxisome proliferator-activated receptor delta
Peroxisome_proliferator-activated_receptor_delta
Stage in embryonic development
In Xenopus laevis, the specification of the three germ layers (endoderm, mesoderm and ectoderm) occurs at the blastula stage. Great efforts have been
Ectoderm_specification
Chemical compound
receptor functionally expressed in human embryonic kidney 293 cells and Xenopus laevis oocytes". Journal of Neuroscience. 19 (1): 7426–7433. doi:10.1093/chemse/bji002
Helional
Class of short biopolymers
expression and gene function, was first developed by Janet Heasman using Xenopus. FDA-approved Morpholino drugs include eteplirsen and golodirsen. The antisense
Oligonucleotide
Embryologic stage in which germ layers form
depends on cell rearrangements within the archenteron. The frog genus Xenopus has been used as a model organism for the study of gastrulation. The sperm
Gastrulation
Region of repetitive nucleotide sequences on chromosomes
Organism Telomeric repeat (5' to 3' toward the end) Vertebrates Human, mouse, Xenopus TTAGGG Filamentous fungi Neurospora crassa TTAGGG Slime moulds Physarum
Telomere
Cellular process
the development of large eggs such as that of the African clawed frog (Xenopus laevis), where simple diffusion cannot carry information quickly enough
Mitotic_trigger_waves
Protein-coding gene in the species Homo sapiens
phosphatase family and is a potential regulator of neural tube development in Xenopus. The gene promotes neural development by inhibiting bone morphogenetic
CTDNEP1
Protein-coding gene in the species Homo sapiens
Goode's thornscrub tortoise 312 XP_030393408.1 623 64.9% 74.9% Amphibian Xenopus laevis African clawed frog 352 XP_018083185.1 614 55.5% 69.1% Microcaecelia
KIAA2013
American biologist (born 1955)
of G. Steven Martin at UC Berkeley.[citation needed] Through studies of Xenopus laevis oocyte maturation, Ferrell showed how graded changes in the inductive
James_Ferrell_(biologist)
Protein-coding gene in the species Homo sapiens
352 XP_033815221.1 197 57.9 75.1 Xenopus laevis African Clawed Frog Pipidae 352 XP_018119180.1 183 51.5 70.6 Xenopus tropicalis Western Clawed Frog Pipidae
TMEM212
Pluripotent embryonic cell group giving rise to diverse cell lineages
transcription factors upstream of neural crest specifiers. For example, in Xenopus Msx1 is necessary and sufficient for the expression of Slug, Snail, and
Neural_crest
Medical field involved in regenerating tissues
invertebrate models indicate that bioelectric cues can steer regeneration. In Xenopus tadpoles, activating a proton pump (V-ATPase) that moves hydrogen ions
Regenerative_medicine
XENOPUS
XENOPUS
XENOPUS
XENOPUS
Boy/Male
Hindu, Indian, Marathi
Holiness; Purity
Boy/Male
Greek
Defender; protector of mankind. Famous Bearer: Alexander the Great.
Surname or Lastname
English
English : patronymic from Tom, a short form of the personal name Thomas.Czech (Tomeš) : from a variant of the personal name Tomáš (see Thomas).Spanish (Tomés) : from a derivative of the personal name Tomás (see Thomas).
Girl/Female
Gujarati, Indian, Sanskrit
Honesty; Greatness
Boy/Male
Indian, Punjabi, Sikh
The Gift of God
Girl/Female
Bengali, Indian, Telugu
Whole World
Boy/Male
Indian, Sanskrit
Leaf
Male
Hebrew
(×¢Ö´×žÖ¸Ö¼× ï¬µ×ֵל) Hebrew name IMMANUW'EL means "God is with us." In the bible, this is the name of the promised Messiah as prophesied by Isaiah.
Girl/Female
Irish Hebrew
Bitter.
Surname or Lastname
English
English : variant of Dowden.
XENOPUS
XENOPUS
XENOPUS
XENOPUS
XENOPUS