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<p class=MsoNormal><b>Abstract<o:p></o:p></b></p>
<p class=MsoNormal>Lebanon is an eastern Mediterranean country inhabited by
approximately four million people with a wide variety of ethnicities and
religions, including Muslim, Christian, and Druze. In the present study, 926
Lebanese men were typed with Y-chromosomal SNP and STR markers, and unusually,
male genetic variation within Lebanon was found to be more strongly structured
by religious affiliation than by geography. We therefore tested the hypothesis
that migrations within historical times could have contributed to this
situation. Y-haplogroup J*(xJ2) was more frequent in the putative Muslim source
region (the Arabian Peninsula) than in Lebanon, and it was also more frequent
in Lebanese Muslims than in Lebanese non-Muslims. Conversely, haplogroup R1b
was more frequent in the putative Christian source region (western Europe) than
in Lebanon and was also more frequent in Lebanese Christians than in Lebanese
non-Christians. The most common R1b STR-haplotype in Lebanese Christians was
otherwise highly specific for western Europe and was unlikely to have reached
its current frequency in Lebanese Christians without admixture. We therefore
suggest that the Islamic expansion from the Arabian Peninsula beginning in the
seventh century CE introduced lineages typical of this area into those who
subsequently became Lebanese Muslims, whereas the Crusader activity in the
11(th)-13(th) centuries CE introduced western European lineages into Lebanese
Christians.<o:p></o:p></p>
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<b>Authors</b><br>
Zalloua PA, Xue Y, Khalife J, Makhoul N, Debiane L, Platt DE, Royyuru AK,Herrera
RJ, Hernanz DF, Blue-Smith J, Wells RS, Comas D, Bertranpetit J,Tyler-Smith C;
Genographic Consortium<br>
<br>
<b>Full Paper</b><br>
<a href="http://www.ajhg.org/images/latestarticles/zalloua.pdf">http://www.ajhg.org/images/latestarticles/zalloua.pdf</a><o:p></o:p></p>
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