Horses Related to Bats?

Bats

I found this article at NewsScientist.com about the DNA analysis of horses in relation to Bats. Below is an exerpt from the article.

Once thought to belong to the same group as primates, bats actually belong to the super-order Pegasoferae, which contains horses, cats and dogs, cows, whales and hedgehogs. Within this group, bats were thought to be only distant cousins to horses, but DNA analysis suggests that only cats and dogs are more closely related to horses than bats are (Proceedings of the National Academy of Sciences, DOI: 10.1073/pnas.0603797103).

“I think this will be a surprise for many scientists,” says Norihiro Okada at the Tokyo Institute of Technology, Japan. “No one expected this.”

012703-1Okada and his colleagues looked at genetic mutations caused by retroposons, lengths of DNA that can copy themselves into RNA and then reverse-copy themselves back into DNA at a different location on a chromosome. Closely related species share more of these mutations than more distant relatives. The analysis by Okada’s team forces a rethink of the relationships of many mammalian orders, which are currently classified by morphological and nuclear DNA sequence data.

“We need to look at fossils from a new point of view, because there must have been a common ancestor of bats, horses and dogs,” Okada says.

To read the entire article go to http://www.newscientist.com/article/dn9402-bats-and-horses-get-strangely-chummy.html

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4 Responses

  1. Hi,
    I’ve just taken a look at your site. I think it’s great. Would like to link if you want. My blog is for people who own and love horses whether they follow a discipline or just like their company.
    Thanks

  2. This definately makes the idea of a Pegasus more plausable, don’t you think?

  3. Uuuuuuuuuuuh, that’s just plain wierd! Bats are icky and horses are cool! I’m going to have to think about this for a while……..

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