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Why animal behavior changes in proximity to human development Researchers are using genetic tools to track movements of mongooses in Botswana. July 15, 2021 Under a concrete drainage culvert at the edge of a town in Botswana, a troop of banded mongoose is getting ready to leave its den. Moving from shade into light, the cat-sized animals scan the area for signs of danger and for opportunities to find something to eat in an increasingly crowded neighborhood. The genetics of this troop's members -- and others like them -- are providing researchers with a new understanding of how and why animal ...

Scientists look for ways evolution fights disease-causing pathogens Researchers are looking at opossums for immunological solutions to human diseases. April 7, 2021 Scientists have examined the immune system of an unusual group of mammals, which includes a small South American opossum, to find solutions that evolution has produced to fight disease-causing pathogens. In a paper in the journal Science, an international team of researchers at the University of New Mexico, Monash University in Australia and the U.S. National Institutes of Health has defined a novel T cell lineage, called γµ T ...

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Study of simplest yet most toxic venom will help explain array of genetic questions Biologist Mark Margres with an Eastern diamondback rattlesnake on Caladesi Island, Florida. January 26, 2021 The tiger rattlesnake possesses the simplest, yet most toxic, venom of any rattlesnake species. Now new research led by a University of South Florida biologist explains the genetics behind the predator's fearsome bite. The research is published in the journal Proceedings of the National Academy of Sciences. USF biologist Mark Margres and his colleagues sequenced the genome of the tiger rattlesnake to u...

Findings may help scientists better understand how other emerging diseases evolve Scientist Andrew Storfer checks a Tasmanian devil for signs of devil tumor facial disease. There is some good news about a wildlife pandemic that may also help scientists better understand how other emerging diseases evolve. Researchers have found strong evidence that a transmissible cancer that has decimated Tasmanian devil populations likely won’t spell their doom. For the first time, a U.S. National Science Foundation-funded team led by Washington State University biologist Andrew Stor...