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Mystery of horse domestication probably solved

 
 
Reply Fri 24 Apr, 2009 09:31 am
Wild horses were domesticated in the Ponto-Caspian steppe region (today Russia, Kazakhstan, Ukraine, Romania) in the 3rd millennium B.C.


Quote:
In a new study published in the scientific journal Science, an analysis by German researchers from the Leibniz Institute for Zoo and Wildlife Research, Berlin, the German Archaeological Institute, the Humboldt University Berlin, the Max Planck Institute of Evolutionary Anthropology, Leipzig, in cooperation with American and Spanish scientists, has unravelled the mystery about the domestication of the horse.

Based on ancient DNA spanning the time between the Late Pleistocene and the Middle Ages, targeting nuclear genes responsible for coat colorations allows to shed light on the timing and place of horse domestication.

Furthermore the study demonstrates how rapid the number of colorations increased as one result of the domestication. As well, it shows very clearly that the huge variability of coloration in domestic horses which can be observed today is a result of selective breeding by ancient farmers.

Our modern human societies were founded on the Neolithic revolution, which was the transformation of wild plants and animals into domestic ones available for human nutrition. Within all domestic animals, no other species has had such a significant impact on the warfare, transportation and communication capabilities of human societies as the horse.

For many millennia, horses were linked to human history changing societies on a continent-wide scale, be it with Alexander the Great’s or Genghis Khan’s armies invading most of Asia and Eastern Europe or Francis Pizarro destroying the Inca Empire with about 30 mounted warriors. The horse was a costly and prestigious animal in all times, featured in gifts from one sovereign to another as a nobleman’s mark.

Source: Science Daily

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rosborne979
 
  1  
Reply Fri 24 Apr, 2009 11:14 am
@Walter Hinteler,
Walter Hinteler wrote:
Quote:
Based on ancient DNA spanning the time between the Late Pleistocene and the Middle Ages, targeting nuclear genes responsible for coat colorations allows to shed light on the timing and place of horse domestication.

This sounds like the same thing that happened with Dog evolution. The coat color changed due to the proximate location of the coloration gene near the adrenal genes, which were accidentally being selected as a function of "domesticity".

I bet the Horse's adrenal genes are located next to coloration genes, just like in Canines.
chai2
 
  1  
Reply Fri 24 Apr, 2009 11:18 am
@rosborne979,
That makes sense to me Rosborne.


(what about kitty cats?)
rosborne979
 
  1  
Reply Fri 24 Apr, 2009 11:37 am
@chai2,
chai2 wrote:
(what about kitty cats?)

Probably the same. All mammals probably share that same basic genetic configuration.

We might even see it in Birds. I'm not sure. I wonder if domesticated Chickens exhibit similar color changes.

Birds are different enough from mammals that they have different genetic overlaps though. I'm not sure.
chai2
 
  1  
Reply Fri 24 Apr, 2009 12:18 pm
@rosborne979,
kitty cats
doggies
and horsies

check


but not birdies
rosborne979
 
  1  
Reply Fri 24 Apr, 2009 02:55 pm
@chai2,
Birdies unknown Smile
0 Replies
 
BillRM
 
  1  
Reply Sat 25 Apr, 2009 06:35 am
@chai2,
(what about kitty cats?)
----------------------------------
I was always under the impression that cats had dometicate us instead of the other way around and I am only half kidding!
0 Replies
 
 

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