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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 aquatic frog of the family Pipidae. Its name is derived from the short black claws on its feet. The word Xenopus means 'strange foot' and laevis means 'smooth'.
Xenopus is also a unique system for analyses of genome evolution and whole genome duplication in vertebrates, [12] as different Xenopus species form a ploidy series formed by interspecific hybridization. [13] In 1931, Lancelot Hogben noted that Xenopus laevis females ovulated when injected with the urine of pregnant women. [14]
Xenbase is a Model Organism Database (MOD), providing informatics resources, as well as genomic and biological data on Xenopus frogs. [1] Xenbase has been available since 1999, and covers both X. laevis and X. tropicalis Xenopus varieties. [2]
Burmese python (Python bivittatus) including subspecies dwarf Burmese python (P. b. progschai) [77] [78] date uncertain Myanmar, Thailand, Bali, Java, Sulawesi: meat, skins, medicine, pets Captive-bred 3a Serpentes: Campbell's (Phodopus campbelli), winter white (P. sungorus) and Roborovski dwarf hamsters (P. roborovskii) Domesticated the 1960s
Müller's platanna (Xenopus muelleri), also known as Müller's clawed frog, [3] [4] is a species of frog in the family Pipidae found in Angola, Benin, Botswana, Burkina Faso, Cameroon, the Central African Republic, Chad, the Republic of the Congo, the Democratic Republic of the Congo, Ivory Coast, Eswatini, Ghana, Kenya, Malawi, Mozambique, Namibia, Nigeria, South Africa, Sudan, Tanzania, Togo ...
It is the only species in the genus Xenopus to have a diploid genome. [3] [4] Its genome has been sequenced, [5] [6] making it a significant model organism for genetics that complements the related species Xenopus laevis (the African clawed frog), [7] a widely used vertebrate model for developmental biology. X.
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 are subtropical or tropical high-altitude grassland, rivers, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, pastureland, and ponds. [1]
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.Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-altitude grassland, rivers, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, arable ...