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Tag: "mammoth" at biology news

An ancient bathtub ring of mammoth fossils

...e interested in researching any known or suspected mammoth find, to collected additional evidence and to impr...as much information as we can about each and every mammoth find in the mid-Columbia basin, so that we can better understand the impacts that Ice Age floods may...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...llagen fragments from 100,000- to 300,000-year-old mammoth bone samples sent by Schweitzer and colleagues. Mo...chniques and tricks perfected while working on the mammoth sample, Asara purified the protein, identified as collagen, and, with the enzyme trypsin, broke it d...

Scientists sequence DNA of woolly mammoth

...eport on the first genomic sequences from a woolly mammoth will be published on 22 December 2005 by the journ...es located in the cell's nucleus (nuclear DNA). A mammoth was chosen for study in part because of its close evolutionary relationship to the African elephant,...

Small species back-up giant marsupial climate change extinction claim

...the northern hemisphere species such as the woolly mammoth and sabretooth tiger dominated the landscape, while in Australia - which evolved for 40 million years in isolation - giant marsupials ruled. Current theories suggest that between 50,000 and 20,000 years ago, increasing aridity in Australia led to co...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

... up to 400,000 years old, and DNA from the extinct mammoth and steppe bison have been recovered from Siberian sediments. In 1997, Patent #5,593,883 was granted to Ambergene Corporation for the recovery of live ancient bacteria and fungi fossilized in amber. By reconstituting nucleic acid molecules that have...

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