3 documents found, page 1 of 1
Signatures of the preagricultural peopling processes in sub-Saharan Africa as r...
Batini, C.; Ferri, G.; Destro-Bisol, G.; Brisighelli, F.; Luiselli, D.; Sanchez-Diz, P.; Rocha, J.; Simonson, T.; Brehm, António; Montano, V.The study of Y chromosome variation has helped reconstruct demographic events associated with the spread of languages, agriculture, and pastoralism in sub-Saharan Africa, but little attention has been given to the early history of the continent. In order to overcome this lack of knowledge, we carried out a phylogeographic analysis of haplogroups A and B in a broad data set of sub-Saharan populations. These two ...
Results of the GEP-ISFG collaborative study on an X-STR Decaplex
Gusmão, L.; Alves, C.; Sánchez-Diz, P.; Zarrabeitia, M.T.; Abovich, M.A.; Aragón, I.; Arce, B.; Arrieta, G.; Arroyo, E.; Atmetlla, I.; Baeza, C.A collaborative work was carried out by the Spanish and Portuguese ISFG Working Group with a PCR multiplex for X chromosome STRs. Markers were selected among those described as polymorphic in humans and that have been used by some laboratories in forensics. Primers and various technical methods were investigated with the aim of optimizing a multiplex for the 10 selected X-STRs. Primer mix stock solutions were s...
A tale of two islands: population history and mitochondrial DNA sequence variat...
Mateu, E.; Comas, D.; Calafell, F.; Pérez-Lezaun, A.; Abade, A.; Bertranpetit, J.The hypervariable segment I of the control region of the mtDNA was sequenced in 45 unrelated individuals from Bioko and 50 from São Tomé, two islands in the Gulf of Guinea that have had very different settlement patterns: Bioko was colonized around 10000 BP, while São Tomé was first settled by the Portuguese, who brought African slaves to the island. Two different patterns of sequence variation are evident and ...