Haplotype data and forensic evaluation of 23 Y-STR and 12 X-STR loci in eight ethnic groups from Eritrea
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Haplotype data and forensic evaluation of 23 Y-STR and 12 X-STR loci in eight ethnic groups from Eritrea Carla Bini 1 & Stefania Sarno 2 & Elisabetta Tangorra 1 & Alessandra Iuvaro 1 Yohannes Ghebremedhin Tseghereda 4 & Susi Pelotti 1 & Donata Luiselli 2,5
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Sara De Fanti 2,3
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Received: 3 August 2020 / Accepted: 14 October 2020 # The Author(s) 2020
Abstract Eritrea is a multi-ethnic country of over 3 million of people consisting of different ethnic groups, having each its own language and cultural tradition. Due to the lack of population genetic data for markers of forensic interest, in this study, we analyzed the genetic polymorphisms of 23 Y-chromosome STR loci and of 12 X-chromosome STR loci in a sample of 255 unrelated individuals from 8 Eritrean ethnic groups, with the aim to generate a reference haplotype database for anthropological and forensic applications. X- and Y-chromosomes markers may indeed offer information especially in personal identification and kinship testing, when relying on the availability of large local population data to derive sufficiently accurate frequency estimates. The population genetic analyses in the Eritrean sample for both the two set of Y- and X-STR markers showed high power of discrimination both at country-based and population levels. Comparison population results highlight the importance of considering the ethnic composition within the analyzed country and the necessity of increasing available data especially when referring to heterogeneous populations such as the African ones. Keywords Y-STRs . X-STRs . Eritrean ethnic groups . Forensic parameters . Population genetics
Eritrea is a multi-ethnic country located in the Horn of Africa with nine officially recognized ethnic groups in its population
of over 3 million people [1]. Between Afro-Asiatic communities, Tigrinya make up about 55% of the population, and the
Carla Bini and Stefania Sarno contributed equally to this work. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00414-020-02446-2) contains supplementary material, which is available to authorized users. * Carla Bini [email protected] * Susi Pelotti [email protected]
Donata Luiselli [email protected] 1
Department of Medical and Surgical Sciences, Unit of Legal Medicine, University of Bologna, via Irnerio, 49, 40126 Bologna, Italy
2
Department of Biological, Geological and Environmental Sciences-Lab. of Molecular Anthropology & Centre for Genome Biology, University of Bologna, Via Selmi 3, 40126 Bologna, Italy
3
Interdepartmental Centre “Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate)”, University of Bologna, Bologna, Italy
Sara De Fanti [email protected]
4
Jomo Kenyatta University and Agriculture and Technology (JKUAT), P.O. Box 62 000, Nairobi 00200, Kenya
Yohannes Ghebremedhin Tseghereda [email protected]
5
Department of Cultural Heritage, Ravenna Campus, University of Bologna, Via degli Ariani 1, 48121 Ravenna, Italy
Stefania
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