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Abstract: We recently found a number of intermediate DYS458 alleles, indicated as .2. This allelic variant is distributed in several populations, but currently no information is available regarding the molecular structure and the genealogical correlation of chromosomes with this variant. The molecular characterisation of such allele, its worldwide distribution and the correlated evolutionary history are the subject of the present paper. Molecular and genealogical data are suggestive of a single origin for the .2 variant. Phylogeographic analysis points to either a Middle East or East African origin, but additional data is necessary to clarify this point. Our results suggest that the .2 variants is a stable polymorphism and that it could be used for population studies. [Copyright &y& Elsevier]

Abstract: Eight Y-chromosomal short tandem repeats (STRs)–DYS19, DYS389-I, DYS389-II, DYS390, DYS391, DYS392, DYS393 and DYS385–were typed in a population sample (n =255) of unrelated Sicilian males from nine different towns on the main island and from the island of Pantelleria. [Copyright &y& Elsevier]

Abstract: Eight Y-chromosome STR loci (DYS19, DYS389-I, DYS389-II, DYS390, DYS391, DYS392, DYS393 and DYS385) were analysed in a sample of 236 unrelated males from four towns of Piedmont (Trino, Biella, Cavaglià, Postua). One hundred and fifty six different haplotypes were observed and 55 of them were not previously observed in the Y-STR Haplotype Reference Database (http://www.ystr.org/). [Copyright &y& Elsevier]

Eight Y-chromosomal short tandem repeats (STRs)—DYS19, DYS389-I, DYS389-II, DYS390, DYS391, DYS392, DYS393, and DYS385—were typed in a population sample (n=113) of unrelated males from seven different regions of Greece (Macedonia, Thessaly, Epirus, Central Greece, Peloponnese, Crete Island, and Chios Island). [Copyright &y& Elsevier]