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United Arab Emirates

Study statistics

Loci
27 Y STRs
Allele type
Length-based alleles
Sample size
436
Population
Unknown
Location
United Arab Emirates
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Bibliographic information

Date published
Dec. 1, 2020
Title
Study of 27 Y-STR Markers in United Arab Emirates Population
Authors
Tariq Zeyad, Ahmed Adam, Rashed Alghafri, and Rabah Iratni
Journal
Forensic Science International: Reports
Abstract

The recently introduced 6-dyes Yfiler® Plus multiplex kit which includes 27 Y-STR loci has been used to study 436 UAE Arab male individuals. In addition to the 17 Y-STRs traditionally used in Yfiler® multiplex kit, Yfiler® Plus has ten additional Y-STRs. It includes seven rapidly mutating Y-STRs (RM Y-STRs) namely DYS560, DYS576, DYS627, DYS518, DYS449 and DYF387S1ab, and three moderately mutating Y-STRs namely DYS481, DYS533 and DYS460. The RM Y-STRs were already proven to be powerful for discriminating closely related and unrelated males’ individuals. As a result, a total number of 419 haplotypes were observed out of 436 samples analysed of UAE Arab males’ population, whereas 15 haplotypes were shared between two individuals and one haplotypes were shared between three individuals. The discrimination capacity (DC) for the 27 loci was found to be 0.9618 whereas haplotype diversity (HD) was found to be 0.99982. AMOVA results showed that UAE population clustered along with Saudi Arabia East [Arab] population which indicates that they have a closer genetic relation. While it was standing away compared to other relevant populations. In conclusion, Yfiler® Plus multiplex kit showed higher power of discrimination than all previous studies conducted on the same population. This study considered the first study conducted using 27 Y-STR loci in this population. Geographic distribution of the populations analysed in this study are well reflected in the genetic distance results.

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Forensic parameters

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Allele frequencies

DYS19 DYS389I DYS389II DYS390 DYS391 DYS392 DYS393 DYS437 DYS438 DYS439 DYS448 DYS449 DYS456 DYS458 DYS460 DYS481 DYS518 DYS533 DYS570 DYS576 DYS627 DYS635 YGATAH4
7 0.005
8 0.007 0.002 0.002 0.002
8.2 0.002
9 0.037 0.002 0.204 0.034 0.009
10 0.002 0.672 0.03 0.491 0.135 0.47 0.08 0.034
11 0.009 0.002 0.28 0.766 0.034 0.261 0.459 0.427 0.472 0.546
12 0.002 0.156 0.011 0.053 0.445 0.025 0.287 0.005 0.06 0.376 0.016 0.312
13 0.073 0.631 0.087 0.385 0.002 0.103 0.018 0.007 0.06 0.002 0.083
14 0.523 0.202 0.05 0.11 0.722 0.014 0.245 0.014 0.002 0.009 0.014 0.021
14.3 0.002
15 0.243 0.007 0.011 0.025 0.204 0.466 0.202 0.037 0.078 0.002
16 0.112 0.071 0.211 0.239 0.003 0.073 0.165 0.018
16.2 0.005
17 0.03 0.002 0.002 0.046 0.188 0.261 0.28 0.057 0.007
17.2 0.046 0.002 0.002
18 0.002 0.016 0.009 0.073 0.266 0.298 0.083 0.002
18.2 0.142 0.005
18.4 0.002
19 0.264 0.021 0.002 0.22 0.106 0.154 0.005
19.2 0.039
20 0.516 0.002 0.007 0.094 0.032 0.28 0.128
20.2 0.021
21 0.092 0.167 0.073 0.028 0.007 0.19 0.454
21.2 0.002 0.002
22 0.083 0.02 0.135 0.009 0.149 0.126
23 0.45 0.007 0.218 0.037 0.19
24 0.234 0.014 0.126 0.018 0.064
25 0.128 0.069 0.167 0.018
26 0.011 0.177 0.158 0.005
27 0.028 0.069 0.062
27.1 0.002
28 0.083 0.087 0.037
28.1 0.002
29 0.193 0.092 0.002
30 0.475 0.083 0.005
31 0.154 0.112
32 0.064 0.14
33 0.002 0.064 0.002
34 0.062 0.016
35 0.03 0.048
36 0.044
37 0.002 0.094
38 0.225
38.1 0.002
39 0.257
40 0.126
41 0.087
42 0.064
43 0.023
44 0.009
45 0.002
10,11 0.002
15,16 0.002
20,21 0.002 0.002
31,32 0.002
? 0.002 0.009 0.002 0.002

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