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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Polymorphisms of the COL1A2, CYP1A1 and HS1,2 Ig enhancer genes in the Tuaregs from Libya
Annals of Human Biology, Volume 34, No. 4, Year 2007
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Description
Background: Restriction fragment length polymorphisms (RFLPs) of the COL1A2 and CYP1A1 and short tandem repeats of HS1,2 Ig enhancer genes are proving to be useful markers for describing human populations and thus are of interest for anthropogenetic research. Moreover, they can provide useful information in identifying alleles and haplotypes associated with particular forms of common diseases or for pharmacogenomics studies. Aim: The objective of this study was to define the genetic structure of Libyan Tuaregs and to establish the degree of genetic homogeneity amongst the El Awaynat and Tahala groups. Subjects and methods: Tuareg individuals from El Awaynat (n = 99) and Tahala (n = 18), in Libyan Sahara, were analysed for the RFLPs of COL1A2 and CYP1A1 and short tandem repeats of HS1,2 Ig enhancer genes. In order to provide a clearer picture of COL1A2, CYP1A1 and HS1,2 Ig enhancer allele and haplotype frequency distributions in various human groups distributed over a wide geographic area, comparisons with other African, European and Asian populations were carried out by analysis of molecular variance (AMOVA) and genetic distance analysis. Results: No significant level of differentiation was evident between the two Libyan Tuareg groups according to AMOVA. For the CYP1A1 gene, a possible new haplotype was observed, even though at a very low frequency. Linkage disequilibrium was assessed only for COL1A2, since CYP1A1 turned out to be poorly polymorphic for m2 and m3. Conclusions: Statistical analyses showed that Tuaregs from Libya are located in a intermediate position between south Saharan populations on one side and the Europeans and the Asians on the other. © 2007 Informa UK Ltd.
Authors & Co-Authors
Martinez-Labarga, Cristina
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Lelli, Roberta
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Tarsi, Tiziana
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Babalini, Carla
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
De Angelis, Flavio
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Ottoni, Claudio
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Giambra, Vincenzo
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Pepe, Guglielmina
Italy, Florence
Università Degli Studi Di Firenze
Azebi, Ebrahim
Libya, Tripoli
University of Tripoli
Frezza, Domenico
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Biondi, G.
Italy, L'aquila
Università Degli Studi Dell'aquila
Rickards, Olga
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Statistics
Citations: 12
Authors: 12
Affiliations: 4
Identifiers
Doi:
10.1080/03014460701362356
e-ISSN:
14645033
Research Areas
Genetics And Genomics
Study Locations
Libya