Genetic variation at microsatellite loci in Spanish sheep |
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| Institution: | 1. Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università degli Studi di Perugia, Borgo XX giugno 74, 06121 Perugia, Italy;2. Department of Animal Science, Faculty of Agriculture, Akdeniz University, 07070 Antalya, Turkey;3. Departamento de Génetica, Universidad de Córdoba, Edificio Méndel C5, Campus Rabanales, 14071 Cordoba, Spain;4. Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy;1. Radiological and Medical Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan;2. School of Biomedical Engineering, Korea University, Seoul, South Korea;3. Hitachi Chemical, Ibaraki, Japan;1. Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India;2. Department of Physics, Gauhati University, Guwahati 781014, India;3. Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India;4. Department of Physics, Panjab University, Chandigarh 160014, India;1. CERN, Geneva 23, Switzerland;2. School of Physics and Astronomy, The University of Manchester, Oxford Road, Manchester M13 9PL, UK;3. Cockcroft Institute of Science and Technology, Daresbury WA4 4AD, UK;1. College of Animal Science and Technology, Shihezi University, Shihezi 832003, China;2. Xinjiang Academy of Animal Sciences, Urumqi 830011, China |
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| Abstract: | Genetic variation at 18 microsatellite loci was analysed in six indigenous Spanish sheep: Churra; Latxa; Manchega; Rasa-Aragonesa; Castellana and Merino. Merinos had frequently the highest number of alleles per locus, whereas Latxas showed the lowest one at many loci. Markers ordered decreasingly according to the number of variants differentiated in the whole population were: MAF70; TGLA13; CSSM66; BM143, BM6444; MAF36; MAF64; CSSM6; TGLA53; OarFCB11; MAF33; BM4621; MAF48; MAF65; BM1258; ILSTS002; ADCYC and OarCP34. Parameters of variability such as effective number of alleles and gene diversities corroborated the high level of variation frequently displayed by microsatellite markers. Comparison of allele distributions among populations and loci did not reveal consistent shapes. Distributions were centralised in some cases, whereas in others some kind of skewness was evident. Breed-specific alleles were detected at most loci, being frequent in Merinos and rare in Churras. |
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