{"id":3802,"date":"2011-08-03T09:38:34","date_gmt":"2011-08-03T13:38:34","guid":{"rendered":"http:\/\/mochajuden.com\/?p=3802"},"modified":"2011-08-03T09:39:31","modified_gmt":"2011-08-03T13:39:31","slug":"genes-tell-tale-of-jewish-ties-to-africa","status":"publish","type":"post","link":"https:\/\/mochajuden.com\/?p=3802","title":{"rendered":"Genes Tell Tale of Jewish Ties to Africa"},"content":{"rendered":"

Exchange Between Groups Took Place About 2,000 Years Ago<\/span><\/h4>\n

\"\"<\/span><\/a>Genetic Melting Pot: David Reich (left) and Priya Moorjani found that Jews and Africans mixed genes about 2,000 years ago. (Kris Snibbe\/Harvard Staff Photographer)
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In the Book of Kings, Solomon is depicted as an international businessman of sorts who sent ships from the port of Etzion-Geber, near modern day Eilat, to trade precious metals and other goods with various parts of the world, including Africa. Solomon also famously received a visit from the Queen of Sheba, who is thought to be from what is presently Ethiopia.<\/span><\/p>\n

Now, a new scientific paper offers a genetic timeline that could support these biblical tales. The paper builds on two studies published last summer that were the first to use genome-wide analyses to trace the history of the Jewish people through DNA.<\/span><\/p>\n

\u201cIt demonstrated that there was a biological basis for Jewishness,\u201d said Dr. Harry Ostrer, director of the human genetics program at the New York University School of Medicine, who led one of the studies.<\/span><\/p>\n

Among its many findings, Ostrer\u2019s paper indicated that Jews have African ancestry \u2014 an observation that David Reich, associate professor of genetics at Harvard Medical School, and his colleagues decided to explore further.<\/span><\/p>\n

Reich\u2019s team analyzed more than half a million DNA markers across the entire genomes of people from seven diverse Jewish populations \u2014 including Ashkenazim from northern Europe; Sephardim from Italy, Turkey and Greece, and Mizrahim from Syria, Iraq and Iran. They then compared the genetic data with DNA from 15 sub-Saharan African populations.<\/span><\/p>\n

Reporting in the April issue of PLoS Genetics, the researchers found that modern day Jews can attribute about 3% to 5% of their ancestry to sub-Saharan Africans, and that the exchange of genes between Jews and sub-Saharan Africans occurred approximately 72 generations, or about 2,000 years, ago.<\/span><\/p>\n

Priya Moorjani, a doctoral student in Reich\u2019s lab who led the research, was surprised that the degree of African DNA was so consistent across the various Jewish populations. She had expected, for example, that North African and Middle Eastern Jews would have a greater degree of genetic mingling than Europeans, based on their geographic proximities.<\/span><\/p>\n

So the findings, Moorjani said, may point to a shared ancestry among the various Jewish groups. \u201cIt\u2019s definitely suggestive that most Jewish populations have a common ancestral population,\u201d she said.<\/span><\/p>\n

Although the Harvard team couldn\u2019t determine where exactly the exchange of genes took place, the results complement historians\u2019 understanding of the Jewish narrative.<\/span><\/p>\n

\u201cThis is interesting, and it gives me food for thought,\u201d said Norman Stillman, a professor of Judaic history at the University of Oklahoma. \u201cDoes it prove something historically specific beyond the fact that we know the Jewish bloodline was open to some extent throughout history? No. But it fits in with the rest.\u201d<\/span><\/p>\n

Lawrence Schiffman, a professor of Hebrew and Judaic studies at Yeshiva University, said two time periods came to mind that could support the geneticists\u2019 findings. The first is during the First Temple Period, between about 950 B.C.E. and 600 B.C.E., when Solomon\u2019s kingdom would have had contact with Africans.<\/span><\/p>\n

Or, Schiffman said, the mixing of populations could have taken place a bit later, during the Hellenistic period, from about 320 B.C.E. to 30 B.C.E., when Jews were living all over the southern shore of the Mediterranean Sea and could have come into contact with Africans to the south of them.<\/span><\/p>\n

Yet even though the biblical accounts offer possible explanations for the Reich lab\u2019s findings, Schiffman stresses that he and other social scientists can only offer historical interpretations of the genetic data. \u201cThe facts are the ones that scientists are developing; the theories are what [historians] have,\u201d he said. \u201cWe now have to take what they are giving us, and we have to add it to our picture of history.\u201d<\/span><\/p>\n

Stillman pointed out that Jews are often thought of as an insular group, because they tended to marry within their community. \u201cBut,\u201d he said, \u201cthat doesn\u2019t mean there wasn\u2019t, all throughout history, an inflow of others into the group.\u201d<\/span><\/p>\n

As Reich sees it, genetics and history are not actually so disparate. His work, he said, is \u201ca kind of complementary way of studying history.\u201d\u00a0\u00a0\u00a0Contact Gianna Palmer at palmer@forward.com<\/span><\/a><\/em>,\u00a0 <\/em>Originally posted HERE<\/span><\/a><\/span><\/p>\n

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The Bible-Solomon (Ben Cross, Vivica Fox)<\/span>
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