Warning: Use of undefined constant KT_BSEO - assumed 'KT_BSEO' (this will throw an Error in a future version of PHP) in /homepages/46/d347802020/htdocs/los-angeles-dentist-blog/wp-content/plugins/keyword-tag-wrapper/keyword-tagger-bseo.php on line 10

Warning: Use of undefined constant KT_BSEO_DB_VERSION - assumed 'KT_BSEO_DB_VERSION' (this will throw an Error in a future version of PHP) in /homepages/46/d347802020/htdocs/los-angeles-dentist-blog/wp-content/plugins/keyword-tag-wrapper/keyword-tagger-bseo.php on line 11

Warning: Use of undefined constant wp_cumulus_widget - assumed 'wp_cumulus_widget' (this will throw an Error in a future version of PHP) in /homepages/46/d347802020/htdocs/los-angeles-dentist-blog/wp-content/plugins/wp-cumulus/wp-cumulus.php on line 375
Prehistoric Dental Calculus May Trap Ancient Human DNA For Genome Reconstruction | Dentist Beverly Hills, Dentist Los Angeles
Dentist Los Angeles | Dentist Beverly Hills | General Dentist | Cosmetic Dentist | Dental Implant | Dental Office
 

www.zdentalgroup.com

 

Prehistoric Dental Calculus May Trap Ancient Human DNA For Genome Reconstruction

Posted by Z Dental Group - March 30th, 2016

Prehistoric Dental Calculus May Trap Ancient Human DNA For Genome Reconstruction

By Catherine Griffin | Mar 30, 2016 09:35 AM EDT


Skull


With a assistance of DNA sequencing, scientists have shown that tellurian DNA can be enriched from calcified dental plaque. In fact, they’ve now managed to refurbish mitochondrial genomes from ancient specimens for maternal stock analysis.

Calcified dental plaque, also famous as dental calculus, has recently been shown to be an critical source for researchers to accumulate ancient DNA from dietary and microbial sources. Now, though, researchers have found that it could also be an critical source for ancient tellurian DNA.

Dental calculus is recorded alongside human, fundamental remains. However, it’s not indeed a tellurian tissue. Also famous as tartar, dental calculus is a calcified form of dental board that acquires tellurian DNA and proteins passively by spit and other horde secretions. Once this DNA is trapped within a tartar, though, it can be recorded for thousands of years.

In this latest study, a researchers used dental calculus to see if they could remove tellurian DNA. In this case, they looked during stays from a Oneota, that was a Native American archaeological enlightenment that rose to a tallness someday between 1000 and 1650 AD, though fast declined after a hit with Europeans.

The scientists found that they indispensable really small dental calculus for analysis. In fact, they indispensable fewer than 25 milligrams per individual. This means that a researchers can get high peculiarity genetic stock information from really small material, that is a outrageous bonus when it comes to a hearing of archaeological remains.

“Dental calculus might capacitate researchers to collect ancient DNA from samples where bone or other biological tissues are too degraded for analysis,” said Maria Nieves Colón of Arizona State University, one of a researchers concerned in a study. “This is quite sparkling to those of us who work in pleasant or intensely aged contests, where normal sources of DNA might be feeble recorded or even non-existent.”

With a assistance of dental calculus, researchers can refurbish whole mitochondrial genomes. This is outrageous when it comes to improved bargain ancient humans and their culture, and it might also exhibit a bit some-more about emigration patterns and where their stream descendants are today.

The findings were published in a Mar 16 emanate of a American Journal of Physical Anthropology.

Shared Post

    Tags: ,

    Leave a Reply

    You must be logged in to post a comment.

    Blog Home