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9234269249cc7e27fac8390d947e0a901
2010-04-29 15:05:00

A team of scientists led by the Department of Energy's Joint Genome Institute (JGI) and the University of California, Berkeley, is publishing this week the first genome sequence of an amphibian, the African clawed frog Xenopus tropicalis, filling in a major gap among the vertebrates sequenced to date. "A lot of furry animals have been sequenced, but far fewer other vertebrates," said co-author Richard Harland, UC Berkeley professor of molecular and cell biology. "Having a complete catalog of...

54ff3b47b8ffc3c826da06bd26554c95
2010-03-01 15:35:32

Atrazine, one of the world's most widely used pesticides, wreaks havoc with the sex lives of adult male frogs, emasculating three-quarters of them and turning one in 10 into females, according to a new study by University of California, Berkeley, biologists. The 75 percent that are chemically castrated are essentially "dead" because of their inability to reproduce in the wild, reports UC Berkeley's Tyrone B. Hayes, professor of integrative biology. "These male frogs are missing testosterone...


Latest Xenopus Reference Libraries

African Clawed Frog, Xenopus laevis
2014-08-18 16:16:15

The African clawed frog is found in its natural habitat throughout Africa. However, it has been introduced in North America, South America and Europe. This species is fully aquatic and is found abundantly in ponds, lakes, and rivers. The body color of the African clawed frog is a greenish grey and the skin is smooth and slippery with blotches of grey or brown on the back. The belly is a cream colored with a yellow tint. The average length of this species is five inches. The body and head...

Crowned Bullfrog, Hoplobatrachus occipitalis
2013-07-19 13:24:37

The Crowned Bullfrog (Hoplobatrachus occipitalis) is a species of frog belonging to the Ranidae family. It's located in Algeria, Angola, Burkina Faso, Benin, Burundi, Cameroon, Central African Republic, Chad, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Ethiopia, Gabon, Gambia, Guinea, Guinea-Bissau, Kenya, Libya, Liberia, Mali, Mauritania, Morocco, Nigeria, Niger, Rwanda, Senegal, Sierra Leone, Tanzania, Togo, Uganda, Sudan, Western Sahara, and...

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Word of the Day
Cthulhu
  • A gigantic fictional humanoid alien god being described with a head resembling an octopus and dragon wings and claws, around whom an insane cult developed.
  • Pertaining to the mythos of Cthulhu and additional otherworldly beings created by H. P. Lovecraft or inspired by his writings and imitators.
This word was invented in 1926 by H.P. Lovecraft for his short story, 'The Call of Cthulhu.' 'Cthulhu' may be based on the word 'chthonic,' which in Greek mythology refers to the underworld.
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