Allele frequencies and population data for 17 Y-STR loci (The AmpFlSTR® Y-filer™) in Casablanca resident population

Laouina, Adil; Houate, Brahim El; Yahia, Hakima; Azeddoug, Houssine; Boulouiz, Redouane; Chbel, Faiza

doi:10.1016/j.fsigen.2010.10.016

Cited by 15 publications

(11 citation statements)

References 23 publications

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“…The Berbers from Chenini‐Douiret and Jradou exhibit divergent genetic profiles, as they are significantly differentiated from all other Tunisian populations considered in this study, supporting the results of previous studies based on mitochondrial DNA and autosomal STRs . This genetic heterogeneity is not entirely unexpected, considering that Tunisia has been a crossroads for multiple civilizations, resulting in genetic exchange during successive historical periods . Additionally, founder effects, isolation, and/or genetic drift in some remote Berber villages may further account for the genetic differentiation observed among the Tunisian populations examined.…”

Section: Resultssupporting

confidence: 88%

“…Overall, the CA indicates that there is genetic substructure within Tunisia, particularly among the Berbers. In the NJ tree, the Soussians share the same clade with Cosmopolitan Tunis and Andalusians from Zaghouan, an observation consistent with a previous study . In general, the NJ dendrogram mirrors the distributions of populations in the CA graph.…”

Section: Resultssupporting

confidence: 87%

“…Allelic frequencies from a total of 29 previously published populations (Table ) were chosen for comparison across 11 Y‐STR loci (DYS19, DYS389I, DYS389II, DYS390, DYS391, DYS392, DYS393, DYS385a/b, DYS438, and DYS439), since the alleles for the remaining loci typed in this study (DYS437, DYS448, DYS456, DYS458, DYS635, and GATA H4) were not reported for all the reference populations.…”

Section: Methodsmentioning

confidence: 99%

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Sousse, Tunisia: Tumultuous history and high Y‐STR diversity

et al. 2012

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In the present study, 17 Y-chromosomal STR (Y-STR) loci were typed in 218 unrelated males from Sousse, Central-East Tunisia, to evaluate forensic and population genetic applications of the data. A total of 154 different haplotypes were identified, 127 (82.5%) of which were unique, with the most frequent haplotype occurring in 14 individuals (6.4%). The locus diversity ranged from 0.2050 at DYS392 to 0.8760 at DYS385. The haplotype diversity at the 17-loci resolution was calculated to be 0.9916, while the corresponding values for the extended (11 loci) and minimal (9 loci) haplotypes were estimated at 0.9735 and 0.9710, respectively. Comparison with 29 regional and global populations using correspondence analysis, neighbor joining (NJ) tree, and Rst genetic distance revealed that the Sousse population is highly diverse. This finding is consistent with historical data. Furthermore, the results of this study indicate a distinct genetic substructure among Tunisian populations. In conclusion, the present study demonstrated that the 17 Y-STRs analyzed are highly informative for individual identification, parentage analysis, and population genetic studies.

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Section: Resultssupporting

confidence: 88%

Section: Resultssupporting

confidence: 87%

Section: Methodsmentioning

confidence: 99%

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Sousse, Tunisia: Tumultuous history and high Y‐STR diversity

et al. 2012

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“…9670 ± 0.0366 and 0.9643 ± 0.0772, respectively), whereas they were slightly lower for Berbers from Sened (0.9273 ± 0.0665). The J1e modal haplotype (H83) was found in two Moroccan Arabs (YHRD, http://www.yhrd.org, Laouina et al, 2011). The age estimation of haplogroup J1e was 4.4 ± 4.5 kya, which is more recent than that found in the Arabian Peninsula, Europe, and Africa (10.1 kya, Chiaroni et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

Genetic structure of Tunisian ethnic groups revealed by paternal lineages

Fadhlaoui-Zid

Martínez‐Cruz

Khodjet‐El‐Khil

et al. 2011

American J Phys Anthropol

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Tunisia has experienced a variety of human migrations that have modeled the myriad cultural groups inhabiting the area. Both Arabic and Berber-speaking populations live in Tunisia. Berbers are commonly considered as in situ descendants of peoples who settled roughly in Palaeolithic times, and posterior demographic events such as the arrival of the Neolithic, the Arab migrations, and the expulsion of the "Moors" from Spain, had a strong cultural influence. Nonetheless, the genetic structure and the population relationships of the ethnic groups living in Tunisia have been poorly assessed. In order to gain insight into the paternal genetic landscape and population structure, more than 40 Y-chromosome single nucleotide polymorphisms and 17 short tandem repeats were analyzed in five Tunisian ethnic groups (three Berber-speaking isolates, one Andalusian, and one Cosmopolitan Arab). The most common lineage was the North African haplogroup E-M81 (71%), being fixed in two Berber samples (Chenini-Douiret and Jradou), suggesting isolation and genetic drift. Differential levels of paternal gene flow from the Near East were detected in the Tunisian samples (J-M267 lineage over 30%); however, no major sub-Saharan African or European influence was found. This result contrasts with the high amount of sub-Saharan and Eurasian maternal lineages previously described in Tunisia. Overall, our results reveal a certain genetic inter-population diversity, especially among Berber groups, and sexual asymmetry, paternal lineages being mostly of autochthonous origin. In addition, Andalusians, who are supposed to be migrants from southern Spain, do not exhibit any substantial contribution of European lineages, suggesting a North African origin for this ethnic group.

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“…All values were mapped using Surfer 6 and are reported in Supporting Information S‐Table 5. The references used for this analysis were: Alakoc et al, , Alves et al, , Belyaeva et al, 2003, Bosch et al, 2006, Brisighelli et al, 2012, Carvalho et al, , Cerri et al, , De Maesschalck et al, , Gaibar et al, , Garcia et al, , Ghiani and Vona , Grignani et al, , Gršković et al, , Henke et al, , Holmlund et al, , Karlsson et al, , Kayser et al, , Kovatsi et al, , Laouina et al, , Mielnik‐Sikorska et al, , Ploski et al, , Robino et al, , Roewer et al, , Roewer et al, , Roewer et al, , Stanciu et al, , Valverde et al, , Veselinovic et al, . White circles denote the location of populations used in the Y chromosome analysis.…”

Section: Resultsmentioning

confidence: 99%