Our Group organises 3000+ Global Conferenceseries Events every year across USA, Europe & Asia with support from 1000 more scientific Societies and Publishes 700+ Open Access Journals which contains over 50000 eminent personalities, reputed scientists as editorial board members.

Open Access Journals gaining more Readers and Citations
700 Journals and 15,000,000 Readers Each Journal is getting 25,000+ Readers

This Readership is 10 times more when compared to other Subscription Journals (Source: Google Analytics)
Google Scholar citation report
Journal of Ecosystem & Ecography peer review process verified at publons
Indexed In
  • CAS Source Index (CASSI)
  • Index Copernicus
  • Google Scholar
  • Sherpa Romeo
  • Online Access to Research in the Environment (OARE)
  • Open J Gate
  • Genamics JournalSeek
  • Ulrich's Periodicals Directory
  • Access to Global Online Research in Agriculture (AGORA)
  • Electronic Journals Library
  • RefSeek
  • Hamdard University
  • EBSCO A-Z
  • OCLC- WorldCat
  • SWB online catalog
  • Virtual Library of Biology (vifabio)
  • Publons
  • Geneva Foundation for Medical Education and Research
  • Euro Pub
Share This Page

Haplotype variation and evolution in equine sex chromosome sequences

5th International Conference on Biodiversity

Maria del Pilar de Arana, de la Pena A, del Burgo A, Boussaid M, Berruguete M, Borragan S and Crespo F

Complutense University of Madrid, Spain Universite Ibn Khaldoun, Algerie CANTUR, Spain Parque de Cabarceno, Spain Centro Militar de Cria Caballar de Avila, Spain

Posters & Accepted Abstracts: J Ecosys Ecograph

DOI: 10.4172/2157-7625.C1.024

Abstract
Domestic animals are nowadays accepted as important contributors to biodiversity. Within this context, DNA markers have proved to be useful tools. Molecular diversity studies are strongly biased towards mitochondrial sequences, however, these do not represent the whole evolutionary and genealogical history of a species. Among nuclear sequences, those located on the differential segment of sex chromosomes overcome the technical disadvantages of diploid sequences, since certain regions are present in a single dose in XY males. Sex chromosomes sequences supply valuable data on the evolution of the taxonomic groups, on the impact of domestication, and on the effect of reproductive strategies. Orthologous sequences of the X and Y chromosomes of the horse, the domestic donkey and the Somali wild ass were analysed by chromosome specific amplification of fragments of the amelogenin and zinc finger protein genes. In general, these sequences showed low variability levels. The Y chromosomes showed no intraspecific variability. Two SNPs were found in the AmelX gene of horses, defining three haplotypes, none of them breed exclusive; no variation was found in the corresponding sequence of donkeys. Mitochondrial donkey sequences were analyzed to check for an overall decrease in variability, though no significant reduction was found. Equus caballus Y and X chromosomes show the highest similarity with E. przewalskii. E. asinus Y and X amelogenin sequences show one difference each with respect to those of E. africanus somalicus; donkey ZfY sequence coincides with those of Somali and Asiatic wild asses, E. a. somalicus and E. hemionus.
Biography

María del Pilar de Arana completed her PhD with extraordinary Honor at the Complutense University and was Postdoctoral fellow at Duke University (NC, USA). She is Full Professor at the Genetics Department UCM since 2009. She is the Director of a research line on Animal Genetic Diversity. She has published more than 40 papers in reputed journals.

Email: mparana@ucm.es

Relevant Topics

http://sacs17.amberton.edu/

Top